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overte/interface/src/avatar/MyAvatar.cpp
ZappoMan 2bcad6ab2b Merge branch 'master' of https://github.com/highfidelity/hifi into virtualEntities 
Conflicts:
	assignment-client/src/Agent.cpp
	examples/editModels.js
2014-08-28 21:19:56 -07:00

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//
// MyAvatar.cpp
// interface/src/avatar
//
// Created by Mark Peng on 8/16/13.
// Copyright 2012 High Fidelity, Inc.
//
// Distributed under the Apache License, Version 2.0.
// See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
//
#include <algorithm>
#include <vector>
#include <QMessageBox>
#include <QBuffer>
#include <glm/gtx/norm.hpp>
#include <glm/gtx/vector_angle.hpp>
#include <QtCore/QTimer>
#include <AccountManager.h>
#include <GeometryUtil.h>
#include <NodeList.h>
#include <PacketHeaders.h>
#include <PerfStat.h>
#include <ShapeCollider.h>
#include <SharedUtil.h>
#include "Application.h"
#include "Audio.h"
#include "Environment.h"
#include "Menu.h"
#include "ModelReferential.h"
#include "MyAvatar.h"
#include "Physics.h"
#include "Recorder.h"
#include "devices/Faceshift.h"
#include "devices/OculusManager.h"
#include "ui/TextRenderer.h"
using namespace std;
const glm::vec3 DEFAULT_UP_DIRECTION(0.0f, 1.0f, 0.0f);
const float YAW_SPEED = 500.0f; // degrees/sec
const float PITCH_SPEED = 100.0f; // degrees/sec
const float COLLISION_RADIUS_SCALAR = 1.2f; // pertains to avatar-to-avatar collisions
const float COLLISION_RADIUS_SCALE = 0.125f;
const float MIN_KEYBOARD_CONTROL_SPEED = 2.0f;
const float MAX_WALKING_SPEED = 3.0f * MIN_KEYBOARD_CONTROL_SPEED;
// TODO: normalize avatar speed for standard avatar size, then scale all motion logic
// to properly follow avatar size.
float DEFAULT_MOTOR_TIMESCALE = 0.25f;
float MAX_AVATAR_SPEED = 300.0f;
float MAX_MOTOR_SPEED = MAX_AVATAR_SPEED;
MyAvatar::MyAvatar() :
Avatar(),
_mousePressed(false),
_bodyPitchDelta(0.0f),
_bodyRollDelta(0.0f),
_shouldJump(false),
_gravity(0.0f, 0.0f, 0.0f),
_distanceToNearestAvatar(std::numeric_limits<float>::max()),
_wasPushing(false),
_isPushing(false),
_isBraking(false),
_trapDuration(0.0f),
_thrust(0.0f),
_motorVelocity(0.0f),
_motorTimescale(DEFAULT_MOTOR_TIMESCALE),
_maxMotorSpeed(MAX_MOTOR_SPEED),
_motionBehaviors(AVATAR_MOTION_DEFAULTS),
_lastBodyPenetration(0.0f),
_lastFloorContactPoint(0.0f),
_lookAtTargetAvatar(),
_shouldRender(true),
_billboardValid(false),
_physicsSimulation()
{
ShapeCollider::initDispatchTable();
for (int i = 0; i < MAX_DRIVE_KEYS; i++) {
_driveKeys[i] = 0.0f;
}
_physicsSimulation.setEntity(&_skeletonModel);
_skeletonModel.setEnableShapes(true);
Ragdoll* ragdoll = _skeletonModel.buildRagdoll();
_physicsSimulation.setRagdoll(ragdoll);
}
MyAvatar::~MyAvatar() {
_physicsSimulation.setRagdoll(NULL);
_physicsSimulation.setEntity(NULL);
_lookAtTargetAvatar.clear();
}
void MyAvatar::reset() {
_skeletonModel.reset();
getHead()->reset();
setVelocity(glm::vec3(0.0f));
setThrust(glm::vec3(0.0f));
// Reset the pitch and roll components of the avatar's orientation, preserve yaw direction
glm::vec3 eulers = safeEulerAngles(getOrientation());
eulers.x = 0.f;
eulers.z = 0.f;
setOrientation(glm::quat(eulers));
}
void MyAvatar::update(float deltaTime) {
if (_referential) {
_referential->update();
}
Head* head = getHead();
head->relaxLean(deltaTime);
updateFromTrackers(deltaTime);
if (Menu::getInstance()->isOptionChecked(MenuOption::MoveWithLean)) {
// Faceshift drive is enabled, set the avatar drive based on the head position
moveWithLean();
}
// Get audio loudness data from audio input device
Audio* audio = Application::getInstance()->getAudio();
head->setAudioLoudness(audio->getLastInputLoudness());
head->setAudioAverageLoudness(audio->getAudioAverageInputLoudness());
if (_motionBehaviors & AVATAR_MOTION_OBEY_ENVIRONMENTAL_GRAVITY) {
setGravity(Application::getInstance()->getEnvironment()->getGravity(getPosition()));
}
simulate(deltaTime);
}
void MyAvatar::simulate(float deltaTime) {
PerformanceTimer perfTimer("simulate");
// Play back recording
if (_player && _player->isPlaying()) {
_player->play();
}
if (_scale != _targetScale) {
float scale = (1.0f - SMOOTHING_RATIO) * _scale + SMOOTHING_RATIO * _targetScale;
setScale(scale);
Application::getInstance()->getCamera()->setScale(scale);
}
_skeletonModel.setShowTrueJointTransforms(! Menu::getInstance()->isOptionChecked(MenuOption::CollideAsRagdoll));
{
PerformanceTimer perfTimer("transform");
updateOrientation(deltaTime);
updatePosition(deltaTime);
}
{
PerformanceTimer perfTimer("hand");
// update avatar skeleton and simulate hand and head
getHand()->simulate(deltaTime, true);
}
{
PerformanceTimer perfTimer("skeleton");
_skeletonModel.simulate(deltaTime);
}
{
PerformanceTimer perfTimer("attachments");
simulateAttachments(deltaTime);
}
{
PerformanceTimer perfTimer("joints");
// copy out the skeleton joints from the model
_jointData.resize(_skeletonModel.getJointStateCount());
if (Menu::getInstance()->isOptionChecked(MenuOption::CollideAsRagdoll)) {
for (int i = 0; i < _jointData.size(); i++) {
JointData& data = _jointData[i];
data.valid = _skeletonModel.getVisibleJointState(i, data.rotation);
}
} else {
for (int i = 0; i < _jointData.size(); i++) {
JointData& data = _jointData[i];
data.valid = _skeletonModel.getJointState(i, data.rotation);
}
}
}
{
PerformanceTimer perfTimer("head");
Head* head = getHead();
glm::vec3 headPosition;
if (!_skeletonModel.getHeadPosition(headPosition)) {
headPosition = _position;
}
head->setPosition(headPosition);
head->setScale(_scale);
head->simulate(deltaTime, true);
}
{
PerformanceTimer perfTimer("hair");
if (Menu::getInstance()->isOptionChecked(MenuOption::StringHair)) {
_hair.setAcceleration(getAcceleration() * getHead()->getFinalOrientationInWorldFrame());
_hair.setAngularVelocity((getAngularVelocity() + getHead()->getAngularVelocity()) * getHead()->getFinalOrientationInWorldFrame());
_hair.setAngularAcceleration(getAngularAcceleration() * getHead()->getFinalOrientationInWorldFrame());
_hair.setGravity(Application::getInstance()->getEnvironment()->getGravity(getPosition()) * getHead()->getFinalOrientationInWorldFrame());
_hair.simulate(deltaTime);
}
}
{
PerformanceTimer perfTimer("ragdoll");
Ragdoll* ragdoll = _skeletonModel.getRagdoll();
if (ragdoll && Menu::getInstance()->isOptionChecked(MenuOption::CollideAsRagdoll)) {
const float minError = 0.00001f;
const float maxIterations = 3;
const quint64 maxUsec = 4000;
_physicsSimulation.setTranslation(_position);
_physicsSimulation.stepForward(deltaTime, minError, maxIterations, maxUsec);
// harvest any displacement of the Ragdoll that is a result of collisions
glm::vec3 ragdollDisplacement = ragdoll->getAndClearAccumulatedMovement();
const float MAX_RAGDOLL_DISPLACEMENT_2 = 1.0f;
float length2 = glm::length2(ragdollDisplacement);
if (length2 > EPSILON && length2 < MAX_RAGDOLL_DISPLACEMENT_2) {
setPosition(getPosition() + ragdollDisplacement);
}
} else {
_skeletonModel.moveShapesTowardJoints(1.0f);
}
}
// now that we're done stepping the avatar forward in time, compute new collisions
if (_collisionGroups != 0) {
PerformanceTimer perfTimer("collisions");
Camera* myCamera = Application::getInstance()->getCamera();
float radius = getSkeletonHeight() * COLLISION_RADIUS_SCALE;
if (myCamera->getMode() == CAMERA_MODE_FIRST_PERSON && !OculusManager::isConnected()) {
radius = myCamera->getAspectRatio() * (myCamera->getNearClip() / cos(myCamera->getFieldOfView() / 2.0f));
radius *= COLLISION_RADIUS_SCALAR;
}
if (_collisionGroups & COLLISION_GROUP_ENVIRONMENT) {
PerformanceTimer perfTimer("environment");
updateCollisionWithEnvironment(deltaTime, radius);
}
if (_collisionGroups & COLLISION_GROUP_VOXELS) {
PerformanceTimer perfTimer("voxels");
updateCollisionWithVoxels(deltaTime, radius);
} else {
_trapDuration = 0.0f;
}
if (_collisionGroups & COLLISION_GROUP_AVATARS) {
PerformanceTimer perfTimer("avatars");
updateCollisionWithAvatars(deltaTime);
}
}
// Record avatars movements.
if (_recorder && _recorder->isRecording()) {
_recorder->record();
}
// consider updating our billboard
maybeUpdateBillboard();
}
// Update avatar head rotation with sensor data
void MyAvatar::updateFromTrackers(float deltaTime) {
glm::vec3 estimatedPosition, estimatedRotation;
if (isPlaying() && !OculusManager::isConnected()) {
return;
}
if (Application::getInstance()->getPrioVR()->hasHeadRotation()) {
estimatedRotation = glm::degrees(safeEulerAngles(Application::getInstance()->getPrioVR()->getHeadRotation()));
estimatedRotation.x *= -1.0f;
estimatedRotation.z *= -1.0f;
} else if (OculusManager::isConnected()) {
estimatedPosition = OculusManager::getRelativePosition();
estimatedPosition.x *= -1.0f;
const float OCULUS_LEAN_SCALE = 0.05f;
estimatedPosition /= OCULUS_LEAN_SCALE;
} else {
FaceTracker* tracker = Application::getInstance()->getActiveFaceTracker();
if (tracker) {
estimatedPosition = tracker->getHeadTranslation();
estimatedRotation = glm::degrees(safeEulerAngles(tracker->getHeadRotation()));
}
}
// Rotate the body if the head is turned beyond the screen
if (Menu::getInstance()->isOptionChecked(MenuOption::TurnWithHead)) {
const float TRACKER_YAW_TURN_SENSITIVITY = 0.5f;
const float TRACKER_MIN_YAW_TURN = 15.0f;
const float TRACKER_MAX_YAW_TURN = 50.0f;
if ( (fabs(estimatedRotation.y) > TRACKER_MIN_YAW_TURN) &&
(fabs(estimatedRotation.y) < TRACKER_MAX_YAW_TURN) ) {
if (estimatedRotation.y > 0.0f) {
_bodyYawDelta += (estimatedRotation.y - TRACKER_MIN_YAW_TURN) * TRACKER_YAW_TURN_SENSITIVITY;
} else {
_bodyYawDelta += (estimatedRotation.y + TRACKER_MIN_YAW_TURN) * TRACKER_YAW_TURN_SENSITIVITY;
}
}
}
// Set the rotation of the avatar's head (as seen by others, not affecting view frustum)
// to be scaled such that when the user's physical head is pointing at edge of screen, the
// avatar head is at the edge of the in-world view frustum. So while a real person may move
// their head only 30 degrees or so, this may correspond to a 90 degree field of view.
// Note that roll is magnified by a constant because it is not related to field of view.
Head* head = getHead();
if (OculusManager::isConnected() || isPlaying()) {
head->setDeltaPitch(estimatedRotation.x);
head->setDeltaYaw(estimatedRotation.y);
} else {
float magnifyFieldOfView = Menu::getInstance()->getFieldOfView() / Menu::getInstance()->getRealWorldFieldOfView();
head->setDeltaPitch(estimatedRotation.x * magnifyFieldOfView);
head->setDeltaYaw(estimatedRotation.y * magnifyFieldOfView);
}
head->setDeltaRoll(estimatedRotation.z);
// the priovr can give us exact lean
if (Application::getInstance()->getPrioVR()->isActive()) {
glm::vec3 eulers = glm::degrees(safeEulerAngles(Application::getInstance()->getPrioVR()->getTorsoRotation()));
head->setLeanSideways(eulers.z);
head->setLeanForward(eulers.x);
return;
}
// Update torso lean distance based on accelerometer data
const float TORSO_LENGTH = 0.5f;
glm::vec3 relativePosition = estimatedPosition - glm::vec3(0.0f, -TORSO_LENGTH, 0.0f);
const float MAX_LEAN = 45.0f;
head->setLeanSideways(glm::clamp(glm::degrees(atanf(relativePosition.x * _leanScale / TORSO_LENGTH)),
-MAX_LEAN, MAX_LEAN));
head->setLeanForward(glm::clamp(glm::degrees(atanf(relativePosition.z * _leanScale / TORSO_LENGTH)),
-MAX_LEAN, MAX_LEAN));
}
void MyAvatar::moveWithLean() {
// Move with Lean by applying thrust proportional to leaning
Head* head = getHead();
glm::quat orientation = head->getCameraOrientation();
glm::vec3 front = orientation * IDENTITY_FRONT;
glm::vec3 right = orientation * IDENTITY_RIGHT;
float leanForward = head->getLeanForward();
float leanSideways = head->getLeanSideways();
// Degrees of 'dead zone' when leaning, and amount of acceleration to apply to lean angle
const float LEAN_FWD_DEAD_ZONE = 15.0f;
const float LEAN_SIDEWAYS_DEAD_ZONE = 10.0f;
const float LEAN_FWD_THRUST_SCALE = 4.0f;
const float LEAN_SIDEWAYS_THRUST_SCALE = 3.0f;
if (fabs(leanForward) > LEAN_FWD_DEAD_ZONE) {
if (leanForward > 0.0f) {
addThrust(front * -(leanForward - LEAN_FWD_DEAD_ZONE) * LEAN_FWD_THRUST_SCALE);
} else {
addThrust(front * -(leanForward + LEAN_FWD_DEAD_ZONE) * LEAN_FWD_THRUST_SCALE);
}
}
if (fabs(leanSideways) > LEAN_SIDEWAYS_DEAD_ZONE) {
if (leanSideways > 0.0f) {
addThrust(right * -(leanSideways - LEAN_SIDEWAYS_DEAD_ZONE) * LEAN_SIDEWAYS_THRUST_SCALE);
} else {
addThrust(right * -(leanSideways + LEAN_SIDEWAYS_DEAD_ZONE) * LEAN_SIDEWAYS_THRUST_SCALE);
}
}
}
void MyAvatar::renderDebugBodyPoints() {
glm::vec3 torsoPosition(getPosition());
glm::vec3 headPosition(getHead()->getEyePosition());
float torsoToHead = glm::length(headPosition - torsoPosition);
glm::vec3 position;
qDebug("head-above-torso %.2f, scale = %0.2f", torsoToHead, getScale());
// Torso Sphere
position = torsoPosition;
glPushMatrix();
glColor4f(0, 1, 0, .5f);
glTranslatef(position.x, position.y, position.z);
glutSolidSphere(0.2, 10, 10);
glPopMatrix();
// Head Sphere
position = headPosition;
glPushMatrix();
glColor4f(0, 1, 0, .5f);
glTranslatef(position.x, position.y, position.z);
glutSolidSphere(0.15, 10, 10);
glPopMatrix();
}
// virtual
void MyAvatar::render(const glm::vec3& cameraPosition, RenderMode renderMode) {
// don't render if we've been asked to disable local rendering
if (!_shouldRender) {
return; // exit early
}
Avatar::render(cameraPosition, renderMode);
// don't display IK constraints in shadow mode
if (Menu::getInstance()->isOptionChecked(MenuOption::ShowIKConstraints) && renderMode != SHADOW_RENDER_MODE) {
_skeletonModel.renderIKConstraints();
}
}
void MyAvatar::renderHeadMouse(int screenWidth, int screenHeight) const {
Faceshift* faceshift = Application::getInstance()->getFaceshift();
float pixelsPerDegree = screenHeight / Menu::getInstance()->getFieldOfView();
// Display small target box at center or head mouse target that can also be used to measure LOD
float headPitch = getHead()->getFinalPitch();
float headYaw = getHead()->getFinalYaw();
float aspectRatio = (float) screenWidth / (float) screenHeight;
int headMouseX = (int)((float)screenWidth / 2.0f - headYaw * aspectRatio * pixelsPerDegree);
int headMouseY = (int)((float)screenHeight / 2.0f - headPitch * pixelsPerDegree);
glColor3f(1.0f, 1.0f, 1.0f);
glDisable(GL_LINE_SMOOTH);
const int PIXEL_BOX = 16;
glBegin(GL_LINES);
glVertex2f(headMouseX - PIXEL_BOX/2, headMouseY);
glVertex2f(headMouseX + PIXEL_BOX/2, headMouseY);
glVertex2f(headMouseX, headMouseY - PIXEL_BOX/2);
glVertex2f(headMouseX, headMouseY + PIXEL_BOX/2);
glEnd();
glEnable(GL_LINE_SMOOTH);
// If Faceshift is active, show eye pitch and yaw as separate pointer
if (faceshift->isActive()) {
float avgEyePitch = faceshift->getEstimatedEyePitch();
float avgEyeYaw = faceshift->getEstimatedEyeYaw();
int eyeTargetX = (int)((float)(screenWidth) / 2.0f - avgEyeYaw * aspectRatio * pixelsPerDegree);
int eyeTargetY = (int)((float)(screenHeight) / 2.0f - avgEyePitch * pixelsPerDegree);
glColor3f(0.0f, 1.0f, 1.0f);
glDisable(GL_LINE_SMOOTH);
glBegin(GL_LINES);
glVertex2f(eyeTargetX - PIXEL_BOX/2, eyeTargetY);
glVertex2f(eyeTargetX + PIXEL_BOX/2, eyeTargetY);
glVertex2f(eyeTargetX, eyeTargetY - PIXEL_BOX/2);
glVertex2f(eyeTargetX, eyeTargetY + PIXEL_BOX/2);
glEnd();
}
}
const glm::vec3 HAND_TO_PALM_OFFSET(0.0f, 0.12f, 0.08f);
glm::vec3 MyAvatar::getLeftPalmPosition() {
glm::vec3 leftHandPosition;
getSkeletonModel().getLeftHandPosition(leftHandPosition);
glm::quat leftRotation;
getSkeletonModel().getJointRotationInWorldFrame(getSkeletonModel().getLeftHandJointIndex(), leftRotation);
leftHandPosition += HAND_TO_PALM_OFFSET * glm::inverse(leftRotation);
return leftHandPosition;
}
glm::vec3 MyAvatar::getRightPalmPosition() {
glm::vec3 rightHandPosition;
getSkeletonModel().getRightHandPosition(rightHandPosition);
glm::quat rightRotation;
getSkeletonModel().getJointRotationInWorldFrame(getSkeletonModel().getRightHandJointIndex(), rightRotation);
rightHandPosition += HAND_TO_PALM_OFFSET * glm::inverse(rightRotation);
return rightHandPosition;
}
void MyAvatar::clearReferential() {
changeReferential(NULL);
}
bool MyAvatar::setModelReferential(const QUuid& id) {
EntityTree* tree = Application::getInstance()->getEntities()->getTree();
changeReferential(new ModelReferential(id, tree, this));
if (_referential->isValid()) {
return true;
} else {
changeReferential(NULL);
return false;
}
}
bool MyAvatar::setJointReferential(const QUuid& id, int jointIndex) {
EntityTree* tree = Application::getInstance()->getEntities()->getTree();
changeReferential(new JointReferential(jointIndex, id, tree, this));
if (!_referential->isValid()) {
return true;
} else {
changeReferential(NULL);
return false;
}
}
bool MyAvatar::isRecording() {
if (!_recorder) {
return false;
}
if (QThread::currentThread() != thread()) {
bool result;
QMetaObject::invokeMethod(this, "isRecording", Qt::BlockingQueuedConnection,
Q_RETURN_ARG(bool, result));
return result;
}
return _recorder && _recorder->isRecording();
}
qint64 MyAvatar::recorderElapsed() {
if (!_recorder) {
return 0;
}
if (QThread::currentThread() != thread()) {
qint64 result;
QMetaObject::invokeMethod(this, "recorderElapsed", Qt::BlockingQueuedConnection,
Q_RETURN_ARG(qint64, result));
return result;
}
return _recorder->elapsed();
}
void MyAvatar::startRecording() {
if (QThread::currentThread() != thread()) {
QMetaObject::invokeMethod(this, "startRecording", Qt::BlockingQueuedConnection);
return;
}
if (!_recorder) {
_recorder = RecorderPointer(new Recorder(this));
}
Application::getInstance()->getAudio()->setRecorder(_recorder);
_recorder->startRecording();
}
void MyAvatar::stopRecording() {
if (!_recorder) {
return;
}
if (QThread::currentThread() != thread()) {
QMetaObject::invokeMethod(this, "stopRecording", Qt::BlockingQueuedConnection);
return;
}
if (_recorder) {
_recorder->stopRecording();
}
}
void MyAvatar::saveRecording(QString filename) {
if (!_recorder) {
qDebug() << "There is no recording to save";
return;
}
if (QThread::currentThread() != thread()) {
QMetaObject::invokeMethod(this, "saveRecording", Qt::BlockingQueuedConnection,
Q_ARG(QString, filename));
return;
}
if (_recorder) {
_recorder->saveToFile(filename);
}
}
void MyAvatar::loadLastRecording() {
if (QThread::currentThread() != thread()) {
QMetaObject::invokeMethod(this, "loadLastRecording", Qt::BlockingQueuedConnection);
return;
}
if (!_recorder) {
qDebug() << "There is no recording to load";
return;
}
if (!_player) {
_player = PlayerPointer(new Player(this));
}
_player->loadRecording(_recorder->getRecording());
}
void MyAvatar::setLocalGravity(glm::vec3 gravity) {
_motionBehaviors |= AVATAR_MOTION_OBEY_LOCAL_GRAVITY;
// Environmental and Local gravities are incompatible. Since Local is being set here
// the environmental setting must be removed.
_motionBehaviors &= ~AVATAR_MOTION_OBEY_ENVIRONMENTAL_GRAVITY;
setGravity(gravity);
}
void MyAvatar::setGravity(const glm::vec3& gravity) {
_gravity = gravity;
// use the gravity to determine the new world up direction, if possible
float gravityLength = glm::length(gravity);
if (gravityLength > EPSILON) {
_worldUpDirection = _gravity / -gravityLength;
}
// NOTE: the else case here it to leave _worldUpDirection unchanged
// so it continues to point opposite to the previous gravity setting.
}
AnimationHandlePointer MyAvatar::addAnimationHandle() {
AnimationHandlePointer handle = _skeletonModel.createAnimationHandle();
_animationHandles.append(handle);
return handle;
}
void MyAvatar::removeAnimationHandle(const AnimationHandlePointer& handle) {
handle->stop();
_animationHandles.removeOne(handle);
}
void MyAvatar::startAnimation(const QString& url, float fps, float priority,
bool loop, bool hold, float firstFrame, float lastFrame, const QStringList& maskedJoints) {
if (QThread::currentThread() != thread()) {
QMetaObject::invokeMethod(this, "startAnimation", Q_ARG(const QString&, url), Q_ARG(float, fps),
Q_ARG(float, priority), Q_ARG(bool, loop), Q_ARG(bool, hold), Q_ARG(float, firstFrame),
Q_ARG(float, lastFrame), Q_ARG(const QStringList&, maskedJoints));
return;
}
AnimationHandlePointer handle = _skeletonModel.createAnimationHandle();
handle->setURL(url);
handle->setFPS(fps);
handle->setPriority(priority);
handle->setLoop(loop);
handle->setHold(hold);
handle->setFirstFrame(firstFrame);
handle->setLastFrame(lastFrame);
handle->setMaskedJoints(maskedJoints);
handle->start();
}
void MyAvatar::startAnimationByRole(const QString& role, const QString& url, float fps, float priority,
bool loop, bool hold, float firstFrame, float lastFrame, const QStringList& maskedJoints) {
if (QThread::currentThread() != thread()) {
QMetaObject::invokeMethod(this, "startAnimationByRole", Q_ARG(const QString&, role), Q_ARG(const QString&, url),
Q_ARG(float, fps), Q_ARG(float, priority), Q_ARG(bool, loop), Q_ARG(bool, hold), Q_ARG(float, firstFrame),
Q_ARG(float, lastFrame), Q_ARG(const QStringList&, maskedJoints));
return;
}
// check for a configured animation for the role
foreach (const AnimationHandlePointer& handle, _animationHandles) {
if (handle->getRole() == role) {
handle->start();
return;
}
}
// no joy; use the parameters provided
AnimationHandlePointer handle = _skeletonModel.createAnimationHandle();
handle->setRole(role);
handle->setURL(url);
handle->setFPS(fps);
handle->setPriority(priority);
handle->setLoop(loop);
handle->setHold(hold);
handle->setFirstFrame(firstFrame);
handle->setLastFrame(lastFrame);
handle->setMaskedJoints(maskedJoints);
handle->start();
}
void MyAvatar::stopAnimationByRole(const QString& role) {
if (QThread::currentThread() != thread()) {
QMetaObject::invokeMethod(this, "stopAnimationByRole", Q_ARG(const QString&, role));
return;
}
foreach (const AnimationHandlePointer& handle, _skeletonModel.getRunningAnimations()) {
if (handle->getRole() == role) {
handle->stop();
}
}
}
void MyAvatar::stopAnimation(const QString& url) {
if (QThread::currentThread() != thread()) {
QMetaObject::invokeMethod(this, "stopAnimation", Q_ARG(const QString&, url));
return;
}
foreach (const AnimationHandlePointer& handle, _skeletonModel.getRunningAnimations()) {
if (handle->getURL() == url) {
handle->stop();
}
}
}
AnimationDetails MyAvatar::getAnimationDetailsByRole(const QString& role) {
AnimationDetails result;
if (QThread::currentThread() != thread()) {
QMetaObject::invokeMethod(this, "getAnimationDetailsByRole", Qt::BlockingQueuedConnection,
Q_RETURN_ARG(AnimationDetails, result),
Q_ARG(const QString&, role));
return result;
}
foreach (const AnimationHandlePointer& handle, _skeletonModel.getRunningAnimations()) {
if (handle->getRole() == role) {
result = handle->getAnimationDetails();
break;
}
}
return result;
}
AnimationDetails MyAvatar::getAnimationDetails(const QString& url) {
AnimationDetails result;
if (QThread::currentThread() != thread()) {
QMetaObject::invokeMethod(this, "getAnimationDetails", Qt::BlockingQueuedConnection,
Q_RETURN_ARG(AnimationDetails, result),
Q_ARG(const QString&, url));
return result;
}
foreach (const AnimationHandlePointer& handle, _skeletonModel.getRunningAnimations()) {
if (handle->getURL() == url) {
result = handle->getAnimationDetails();
break;
}
}
return result;
}
void MyAvatar::saveData(QSettings* settings) {
settings->beginGroup("Avatar");
settings->setValue("bodyYaw", _bodyYaw);
settings->setValue("bodyPitch", _bodyPitch);
settings->setValue("bodyRoll", _bodyRoll);
settings->setValue("headPitch", getHead()->getBasePitch());
settings->setValue("position_x", _position.x);
settings->setValue("position_y", _position.y);
settings->setValue("position_z", _position.z);
settings->setValue("pupilDilation", getHead()->getPupilDilation());
settings->setValue("leanScale", _leanScale);
settings->setValue("scale", _targetScale);
settings->setValue("faceModelURL", _faceModelURL);
settings->setValue("skeletonModelURL", _skeletonModelURL);
settings->beginWriteArray("attachmentData");
for (int i = 0; i < _attachmentData.size(); i++) {
settings->setArrayIndex(i);
const AttachmentData& attachment = _attachmentData.at(i);
settings->setValue("modelURL", attachment.modelURL);
settings->setValue("jointName", attachment.jointName);
settings->setValue("translation_x", attachment.translation.x);
settings->setValue("translation_y", attachment.translation.y);
settings->setValue("translation_z", attachment.translation.z);
glm::vec3 eulers = safeEulerAngles(attachment.rotation);
settings->setValue("rotation_x", eulers.x);
settings->setValue("rotation_y", eulers.y);
settings->setValue("rotation_z", eulers.z);
settings->setValue("scale", attachment.scale);
}
settings->endArray();
settings->beginWriteArray("animationHandles");
for (int i = 0; i < _animationHandles.size(); i++) {
settings->setArrayIndex(i);
const AnimationHandlePointer& pointer = _animationHandles.at(i);
settings->setValue("role", pointer->getRole());
settings->setValue("url", pointer->getURL());
settings->setValue("fps", pointer->getFPS());
settings->setValue("priority", pointer->getPriority());
settings->setValue("loop", pointer->getLoop());
settings->setValue("hold", pointer->getHold());
settings->setValue("startAutomatically", pointer->getStartAutomatically());
settings->setValue("firstFrame", pointer->getFirstFrame());
settings->setValue("lastFrame", pointer->getLastFrame());
settings->setValue("maskedJoints", pointer->getMaskedJoints());
}
settings->endArray();
settings->setValue("displayName", _displayName);
settings->endGroup();
}
void MyAvatar::loadData(QSettings* settings) {
settings->beginGroup("Avatar");
// in case settings is corrupt or missing loadSetting() will check for NaN
_bodyYaw = loadSetting(settings, "bodyYaw", 0.0f);
_bodyPitch = loadSetting(settings, "bodyPitch", 0.0f);
_bodyRoll = loadSetting(settings, "bodyRoll", 0.0f);
getHead()->setBasePitch(loadSetting(settings, "headPitch", 0.0f));
_position.x = loadSetting(settings, "position_x", START_LOCATION.x);
_position.y = loadSetting(settings, "position_y", START_LOCATION.y);
_position.z = loadSetting(settings, "position_z", START_LOCATION.z);
getHead()->setPupilDilation(loadSetting(settings, "pupilDilation", 0.0f));
_leanScale = loadSetting(settings, "leanScale", 0.05f);
_targetScale = loadSetting(settings, "scale", 1.0f);
setScale(_scale);
Application::getInstance()->getCamera()->setScale(_scale);
setFaceModelURL(settings->value("faceModelURL", DEFAULT_HEAD_MODEL_URL).toUrl());
setSkeletonModelURL(settings->value("skeletonModelURL").toUrl());
QVector<AttachmentData> attachmentData;
int attachmentCount = settings->beginReadArray("attachmentData");
for (int i = 0; i < attachmentCount; i++) {
settings->setArrayIndex(i);
AttachmentData attachment;
attachment.modelURL = settings->value("modelURL").toUrl();
attachment.jointName = settings->value("jointName").toString();
attachment.translation.x = loadSetting(settings, "translation_x", 0.0f);
attachment.translation.y = loadSetting(settings, "translation_y", 0.0f);
attachment.translation.z = loadSetting(settings, "translation_z", 0.0f);
glm::vec3 eulers;
eulers.x = loadSetting(settings, "rotation_x", 0.0f);
eulers.y = loadSetting(settings, "rotation_y", 0.0f);
eulers.z = loadSetting(settings, "rotation_z", 0.0f);
attachment.rotation = glm::quat(eulers);
attachment.scale = loadSetting(settings, "scale", 1.0f);
attachmentData.append(attachment);
}
settings->endArray();
setAttachmentData(attachmentData);
int animationCount = settings->beginReadArray("animationHandles");
while (_animationHandles.size() > animationCount) {
_animationHandles.takeLast()->stop();
}
while (_animationHandles.size() < animationCount) {
addAnimationHandle();
}
for (int i = 0; i < animationCount; i++) {
settings->setArrayIndex(i);
const AnimationHandlePointer& handle = _animationHandles.at(i);
handle->setRole(settings->value("role", "idle").toString());
handle->setURL(settings->value("url").toUrl());
handle->setFPS(loadSetting(settings, "fps", 30.0f));
handle->setPriority(loadSetting(settings, "priority", 1.0f));
handle->setLoop(settings->value("loop", true).toBool());
handle->setHold(settings->value("hold", false).toBool());
handle->setStartAutomatically(settings->value("startAutomatically", true).toBool());
handle->setFirstFrame(settings->value("firstFrame", 0.0f).toFloat());
handle->setLastFrame(settings->value("lastFrame", INT_MAX).toFloat());
handle->setMaskedJoints(settings->value("maskedJoints").toStringList());
}
settings->endArray();
setDisplayName(settings->value("displayName").toString());
settings->endGroup();
}
void MyAvatar::saveAttachmentData(const AttachmentData& attachment) const {
QSettings* settings = Application::getInstance()->lockSettings();
settings->beginGroup("savedAttachmentData");
settings->beginGroup(_skeletonModel.getURL().toString());
settings->beginGroup(attachment.modelURL.toString());
settings->setValue("jointName", attachment.jointName);
settings->beginGroup(attachment.jointName);
settings->setValue("translation_x", attachment.translation.x);
settings->setValue("translation_y", attachment.translation.y);
settings->setValue("translation_z", attachment.translation.z);
glm::vec3 eulers = safeEulerAngles(attachment.rotation);
settings->setValue("rotation_x", eulers.x);
settings->setValue("rotation_y", eulers.y);
settings->setValue("rotation_z", eulers.z);
settings->setValue("scale", attachment.scale);
settings->endGroup();
settings->endGroup();
settings->endGroup();
settings->endGroup();
Application::getInstance()->unlockSettings();
}
AttachmentData MyAvatar::loadAttachmentData(const QUrl& modelURL, const QString& jointName) const {
QSettings* settings = Application::getInstance()->lockSettings();
settings->beginGroup("savedAttachmentData");
settings->beginGroup(_skeletonModel.getURL().toString());
settings->beginGroup(modelURL.toString());
AttachmentData attachment;
attachment.modelURL = modelURL;
if (jointName.isEmpty()) {
attachment.jointName = settings->value("jointName").toString();
} else {
attachment.jointName = jointName;
}
settings->beginGroup(attachment.jointName);
if (settings->contains("translation_x")) {
attachment.translation.x = loadSetting(settings, "translation_x", 0.0f);
attachment.translation.y = loadSetting(settings, "translation_y", 0.0f);
attachment.translation.z = loadSetting(settings, "translation_z", 0.0f);
glm::vec3 eulers;
eulers.x = loadSetting(settings, "rotation_x", 0.0f);
eulers.y = loadSetting(settings, "rotation_y", 0.0f);
eulers.z = loadSetting(settings, "rotation_z", 0.0f);
attachment.rotation = glm::quat(eulers);
attachment.scale = loadSetting(settings, "scale", 1.0f);
} else {
attachment = AttachmentData();
}
settings->endGroup();
settings->endGroup();
settings->endGroup();
settings->endGroup();
Application::getInstance()->unlockSettings();
return attachment;
}
int MyAvatar::parseDataAtOffset(const QByteArray& packet, int offset) {
qDebug() << "Error: ignoring update packet for MyAvatar"
<< " packetLength = " << packet.size()
<< " offset = " << offset;
// this packet is just bad, so we pretend that we unpacked it ALL
return packet.size() - offset;
}
void MyAvatar::sendKillAvatar() {
QByteArray killPacket = byteArrayWithPopulatedHeader(PacketTypeKillAvatar);
NodeList::getInstance()->broadcastToNodes(killPacket, NodeSet() << NodeType::AvatarMixer);
}
void MyAvatar::updateLookAtTargetAvatar() {
//
// Look at the avatar whose eyes are closest to the ray in direction of my avatar's head
//
_lookAtTargetAvatar.clear();
_targetAvatarPosition = glm::vec3(0.0f);
const float MIN_LOOKAT_ANGLE = PI / 4.0f; // Smallest angle between face and person where we will look at someone
float smallestAngleTo = MIN_LOOKAT_ANGLE;
foreach (const AvatarSharedPointer& avatarPointer, Application::getInstance()->getAvatarManager().getAvatarHash()) {
Avatar* avatar = static_cast<Avatar*>(avatarPointer.data());
avatar->setIsLookAtTarget(false);
if (!avatar->isMyAvatar()) {
glm::vec3 DEFAULT_GAZE_IN_HEAD_FRAME = glm::vec3(0.0f, 0.0f, -1.0f);
float angleTo = glm::angle(getHead()->getFinalOrientationInWorldFrame() * DEFAULT_GAZE_IN_HEAD_FRAME,
glm::normalize(avatar->getHead()->getEyePosition() - getHead()->getEyePosition()));
if (angleTo < smallestAngleTo) {
_lookAtTargetAvatar = avatarPointer;
_targetAvatarPosition = avatarPointer->getPosition();
smallestAngleTo = angleTo;
}
}
}
if (_lookAtTargetAvatar) {
static_cast<Avatar*>(_lookAtTargetAvatar.data())->setIsLookAtTarget(true);
}
}
void MyAvatar::clearLookAtTargetAvatar() {
_lookAtTargetAvatar.clear();
}
glm::vec3 MyAvatar::getUprightHeadPosition() const {
return _position + getWorldAlignedOrientation() * glm::vec3(0.0f, getPelvisToHeadLength(), 0.0f);
}
const float SCRIPT_PRIORITY = DEFAULT_PRIORITY + 1.0f;
const float RECORDER_PRIORITY = SCRIPT_PRIORITY + 1.0f;
void MyAvatar::setJointRotations(QVector<glm::quat> jointRotations) {
int numStates = glm::min(_skeletonModel.getJointStateCount(), jointRotations.size());
for (int i = 0; i < numStates; ++i) {
// HACK: ATM only Recorder calls setJointRotations() so we hardcode its priority here
_skeletonModel.setJointState(i, true, jointRotations[i], RECORDER_PRIORITY);
}
}
void MyAvatar::setJointData(int index, const glm::quat& rotation) {
if (QThread::currentThread() == thread()) {
// HACK: ATM only JS scripts call setJointData() on MyAvatar so we hardcode the priority
_skeletonModel.setJointState(index, true, rotation, SCRIPT_PRIORITY);
}
}
void MyAvatar::clearJointData(int index) {
if (QThread::currentThread() == thread()) {
// HACK: ATM only JS scripts call clearJointData() on MyAvatar so we hardcode the priority
_skeletonModel.setJointState(index, false, glm::quat(), 0.0f);
}
}
void MyAvatar::clearJointsData() {
clearJointAnimationPriorities();
}
void MyAvatar::clearJointAnimationPriorities() {
int numStates = _skeletonModel.getJointStateCount();
for (int i = 0; i < numStates; ++i) {
_skeletonModel.clearJointAnimationPriority(i);
}
}
void MyAvatar::setFaceModelURL(const QUrl& faceModelURL) {
Avatar::setFaceModelURL(faceModelURL);
_billboardValid = false;
}
void MyAvatar::setSkeletonModelURL(const QUrl& skeletonModelURL) {
Avatar::setSkeletonModelURL(skeletonModelURL);
_billboardValid = false;
}
void MyAvatar::setAttachmentData(const QVector<AttachmentData>& attachmentData) {
Avatar::setAttachmentData(attachmentData);
if (QThread::currentThread() != thread()) {
return;
}
_billboardValid = false;
}
void MyAvatar::attach(const QString& modelURL, const QString& jointName, const glm::vec3& translation,
const glm::quat& rotation, float scale, bool allowDuplicates, bool useSaved) {
if (QThread::currentThread() != thread()) {
Avatar::attach(modelURL, jointName, translation, rotation, scale, allowDuplicates, useSaved);
return;
}
if (useSaved) {
AttachmentData attachment = loadAttachmentData(modelURL, jointName);
if (attachment.isValid()) {
Avatar::attach(modelURL, attachment.jointName, attachment.translation,
attachment.rotation, attachment.scale, allowDuplicates, useSaved);
return;
}
}
Avatar::attach(modelURL, jointName, translation, rotation, scale, allowDuplicates, useSaved);
}
void MyAvatar::renderBody(RenderMode renderMode, float glowLevel) {
if (!(_skeletonModel.isRenderable() && getHead()->getFaceModel().isRenderable())) {
return; // wait until both models are loaded
}
// Render the body's voxels and head
Model::RenderMode modelRenderMode = (renderMode == SHADOW_RENDER_MODE) ?
Model::SHADOW_RENDER_MODE : Model::DEFAULT_RENDER_MODE;
_skeletonModel.render(1.0f, modelRenderMode, Menu::getInstance()->isOptionChecked(MenuOption::AvatarsReceiveShadows));
renderAttachments(renderMode);
// Render head so long as the camera isn't inside it
const Camera *camera = Application::getInstance()->getCamera();
const glm::vec3 cameraPos = camera->getPosition() + (camera->getRotation() * glm::vec3(0.0f, 0.0f, 1.0f)) * camera->getDistance();
if (shouldRenderHead(cameraPos, renderMode)) {
getHead()->render(1.0f, modelRenderMode);
if (Menu::getInstance()->isOptionChecked(MenuOption::StringHair)) {
// Render Hair
glPushMatrix();
glm::vec3 headPosition = getHead()->getPosition();
glTranslatef(headPosition.x, headPosition.y, headPosition.z);
const glm::quat& rotation = getHead()->getFinalOrientationInWorldFrame();
glm::vec3 axis = glm::axis(rotation);
glRotatef(glm::degrees(glm::angle(rotation)), axis.x, axis.y, axis.z);
_hair.render();
glPopMatrix();
}
}
getHand()->render(true, modelRenderMode);
}
const float RENDER_HEAD_CUTOFF_DISTANCE = 0.50f;
bool MyAvatar::shouldRenderHead(const glm::vec3& cameraPosition, RenderMode renderMode) const {
const Head* head = getHead();
return (renderMode != NORMAL_RENDER_MODE) ||
(glm::length(cameraPosition - head->getEyePosition()) > RENDER_HEAD_CUTOFF_DISTANCE * _scale);
}
float MyAvatar::computeDistanceToFloor(const glm::vec3& startPoint) {
glm::vec3 direction = -_worldUpDirection;
OctreeElement* elementHit; // output from findRayIntersection
float distance = FLT_MAX; // output from findRayIntersection
BoxFace face; // output from findRayIntersection
Application::getInstance()->getVoxelTree()->findRayIntersection(startPoint, direction, elementHit, distance, face);
return distance;
}
void MyAvatar::updateOrientation(float deltaTime) {
// Gather rotation information from keyboard
_bodyYawDelta -= _driveKeys[ROT_RIGHT] * YAW_SPEED * deltaTime;
_bodyYawDelta += _driveKeys[ROT_LEFT] * YAW_SPEED * deltaTime;
getHead()->setBasePitch(getHead()->getBasePitch() + (_driveKeys[ROT_UP] - _driveKeys[ROT_DOWN]) * PITCH_SPEED * deltaTime);
// update body yaw by body yaw delta
glm::quat orientation = getOrientation() * glm::quat(glm::radians(
glm::vec3(_bodyPitchDelta, _bodyYawDelta, _bodyRollDelta) * deltaTime));
// decay body rotation momentum
const float BODY_SPIN_FRICTION = 7.5f;
float bodySpinMomentum = 1.0f - BODY_SPIN_FRICTION * deltaTime;
if (bodySpinMomentum < 0.0f) { bodySpinMomentum = 0.0f; }
_bodyPitchDelta *= bodySpinMomentum;
_bodyYawDelta *= bodySpinMomentum;
_bodyRollDelta *= bodySpinMomentum;
float MINIMUM_ROTATION_RATE = 2.0f;
if (fabs(_bodyYawDelta) < MINIMUM_ROTATION_RATE) { _bodyYawDelta = 0.0f; }
if (fabs(_bodyRollDelta) < MINIMUM_ROTATION_RATE) { _bodyRollDelta = 0.0f; }
if (fabs(_bodyPitchDelta) < MINIMUM_ROTATION_RATE) { _bodyPitchDelta = 0.0f; }
if (OculusManager::isConnected()) {
// these angles will be in radians
float yaw, pitch, roll;
OculusManager::getEulerAngles(yaw, pitch, roll);
// ... so they need to be converted to degrees before we do math...
yaw *= DEGREES_PER_RADIAN;
pitch *= DEGREES_PER_RADIAN;
roll *= DEGREES_PER_RADIAN;
// Record the angular velocity
Head* head = getHead();
glm::vec3 angularVelocity(yaw - head->getBaseYaw(), pitch - head->getBasePitch(), roll - head->getBaseRoll());
head->setAngularVelocity(angularVelocity);
//Invert yaw and roll when in mirror mode
if (Application::getInstance()->getCamera()->getMode() == CAMERA_MODE_MIRROR) {
head->setBaseYaw(-yaw);
head->setBasePitch(pitch);
head->setBaseRoll(-roll);
} else {
head->setBaseYaw(yaw);
head->setBasePitch(pitch);
head->setBaseRoll(roll);
}
}
// update the euler angles
setOrientation(orientation);
}
const float NEARBY_FLOOR_THRESHOLD = 5.0f;
void MyAvatar::updatePosition(float deltaTime) {
float keyboardInput = fabsf(_driveKeys[FWD] - _driveKeys[BACK]) +
fabsf(_driveKeys[RIGHT] - _driveKeys[LEFT]) +
fabsf(_driveKeys[UP] - _driveKeys[DOWN]);
bool walkingOnFloor = false;
float gravityLength = glm::length(_gravity) * GRAVITY_EARTH;
const CapsuleShape& boundingShape = _skeletonModel.getBoundingShape();
glm::vec3 startCap;
boundingShape.getStartPoint(startCap);
glm::vec3 bottom = startCap - boundingShape.getRadius() * _worldUpDirection;
if (gravityLength > EPSILON) {
float speedFromGravity = _scale * deltaTime * gravityLength;
float distanceToFall = glm::distance(bottom, _lastFloorContactPoint);
walkingOnFloor = (distanceToFall < 2.0f * deltaTime * speedFromGravity);
if (walkingOnFloor) {
// BEGIN HACK: to prevent the avatar from bouncing on a floor surface
if (distanceToFall < deltaTime * speedFromGravity) {
float verticalSpeed = glm::dot(_velocity, _worldUpDirection);
if (fabs(verticalSpeed) < speedFromGravity) {
// we're standing on a floor, and nearly at rest so we zero the vertical velocity component
_velocity -= verticalSpeed * _worldUpDirection;
}
} else {
// fall with gravity against floor
_velocity -= speedFromGravity * _worldUpDirection;
}
// END HACK
} else {
if (!_isBraking) {
// fall with gravity toward floor
_velocity -= speedFromGravity * _worldUpDirection;
}
if (_motionBehaviors & AVATAR_MOTION_STAND_ON_NEARBY_FLOORS) {
const float MAX_VERTICAL_FLOOR_DETECTION_SPEED = _scale * MAX_WALKING_SPEED;
if (keyboardInput && glm::dot(_motorVelocity, _worldUpDirection) > 0.0f &&
glm::dot(_velocity, _worldUpDirection) > MAX_VERTICAL_FLOOR_DETECTION_SPEED) {
// disable local gravity when flying up
setLocalGravity(glm::vec3(0.0f));
} else {
const float maxFloorDistance = _scale * NEARBY_FLOOR_THRESHOLD;
if (computeDistanceToFloor(bottom) > maxFloorDistance) {
// disable local gravity when floor is too far
setLocalGravity(glm::vec3(0.0f));
}
}
}
}
} else {
if ((_collisionGroups & COLLISION_GROUP_VOXELS) &&
_motionBehaviors & AVATAR_MOTION_STAND_ON_NEARBY_FLOORS) {
const float MIN_FLOOR_DETECTION_SPEED = _scale * 1.0f;
if (glm::length(_velocity) < MIN_FLOOR_DETECTION_SPEED ) {
// scan for floor under avatar
const float maxFloorDistance = _scale * NEARBY_FLOOR_THRESHOLD;
if (computeDistanceToFloor(bottom) < maxFloorDistance) {
// enable local gravity
setLocalGravity(-_worldUpDirection);
}
}
}
}
if (keyboardInput > 0.0f || glm::length2(_velocity) > 0.0f || glm::length2(_thrust) > 0.0f || ! walkingOnFloor) {
// update motor and thrust
updateMotorFromKeyboard(deltaTime, walkingOnFloor);
applyMotor(deltaTime);
applyThrust(deltaTime);
// update position
if (glm::length2(_velocity) < EPSILON) {
_velocity = glm::vec3(0.0f);
} else {
_position += _velocity * deltaTime;
}
updateAcceleration(deltaTime);
}
// update moving flag based on speed
const float MOVING_SPEED_THRESHOLD = 0.01f;
_moving = glm::length(_velocity) > MOVING_SPEED_THRESHOLD;
updateChatCircle(deltaTime);
}
void MyAvatar::updateMotorFromKeyboard(float deltaTime, bool walking) {
// Increase motor velocity until its length is equal to _maxMotorSpeed.
if (!(_motionBehaviors & AVATAR_MOTION_MOTOR_KEYBOARD_ENABLED)) {
// nothing to do
return;
}
glm::vec3 localVelocity = _velocity;
if (_motionBehaviors & AVATAR_MOTION_MOTOR_USE_LOCAL_FRAME) {
glm::quat orientation = getHead()->getCameraOrientation();
localVelocity = glm::inverse(orientation) * _velocity;
}
// Compute keyboard input
glm::vec3 front = (_driveKeys[FWD] - _driveKeys[BACK]) * IDENTITY_FRONT;
glm::vec3 right = (_driveKeys[RIGHT] - _driveKeys[LEFT]) * IDENTITY_RIGHT;
glm::vec3 up = (_driveKeys[UP] - _driveKeys[DOWN]) * IDENTITY_UP;
glm::vec3 direction = front + right + up;
float directionLength = glm::length(direction);
// Compute motor magnitude
if (directionLength > EPSILON) {
direction /= directionLength;
// the finalMotorSpeed depends on whether we are walking or not
float finalMaxMotorSpeed = walking ? _scale * MAX_WALKING_SPEED : _scale * _maxMotorSpeed;
float motorLength = glm::length(_motorVelocity);
if (motorLength < _scale * MIN_KEYBOARD_CONTROL_SPEED) {
// an active keyboard motor should never be slower than this
_motorVelocity = _scale * MIN_KEYBOARD_CONTROL_SPEED * direction;
} else {
float MOTOR_LENGTH_TIMESCALE = 1.5f;
float tau = glm::clamp(deltaTime / MOTOR_LENGTH_TIMESCALE, 0.0f, 1.0f);
float INCREASE_FACTOR = 2.0f;
//_motorVelocity *= 1.0f + tau * INCREASE_FACTOR;
motorLength *= 1.0f + tau * INCREASE_FACTOR;
if (motorLength > finalMaxMotorSpeed) {
motorLength = finalMaxMotorSpeed;
}
_motorVelocity = motorLength * direction;
}
_isPushing = true;
} else {
// motor opposes motion (wants to be at rest)
_motorVelocity = - localVelocity;
}
}
float MyAvatar::computeMotorTimescale() {
// The timescale of the motor is the approximate time it takes for the motor to
// accomplish its intended velocity. A short timescale makes the motor strong,
// and a long timescale makes it weak. The value of timescale to use depends
// on what the motor is doing:
//
// (1) braking --> short timescale (aggressive motor assertion)
// (2) pushing --> medium timescale (mild motor assertion)
// (3) inactive --> long timescale (gentle friction for low speeds)
float MIN_MOTOR_TIMESCALE = 0.125f;
float MAX_MOTOR_TIMESCALE = 0.5f;
float MIN_BRAKE_SPEED = 0.4f;
float timescale = MAX_MOTOR_TIMESCALE;
bool isThrust = (glm::length2(_thrust) > EPSILON);
if (_isPushing || isThrust) {
timescale = _motorTimescale;
_isBraking = false;
} else {
float speed = glm::length(_velocity);
_isBraking = _wasPushing || (_isBraking && speed > MIN_BRAKE_SPEED);
if (_isBraking) {
timescale = MIN_MOTOR_TIMESCALE;
}
}
_wasPushing = _isPushing || isThrust;
_isPushing = false;
return timescale;
}
void MyAvatar::applyMotor(float deltaTime) {
// TODO: recover extra braking behavior when flying close to nearest avatar
if (!( _motionBehaviors & AVATAR_MOTION_MOTOR_ENABLED)) {
// nothing to do --> early exit
return;
}
glm::vec3 targetVelocity = _motorVelocity;
if (_motionBehaviors & AVATAR_MOTION_MOTOR_USE_LOCAL_FRAME) {
// rotate _motorVelocity into world frame
glm::quat rotation = getHead()->getCameraOrientation();
targetVelocity = rotation * _motorVelocity;
}
glm::vec3 targetDirection(0.0f);
if (glm::length2(targetVelocity) > EPSILON) {
targetDirection = glm::normalize(targetVelocity);
}
glm::vec3 deltaVelocity = targetVelocity - _velocity;
if (_motionBehaviors & AVATAR_MOTION_MOTOR_COLLISION_SURFACE_ONLY && glm::length2(_gravity) > EPSILON) {
// For now we subtract the component parallel to gravity but what we need to do is:
// TODO: subtract the component perp to the local surface normal (motor only pushes in surface plane).
glm::vec3 gravityDirection = glm::normalize(_gravity);
glm::vec3 parallelDelta = glm::dot(deltaVelocity, gravityDirection) * gravityDirection;
if (glm::dot(targetVelocity, _velocity) > 0.0f) {
// remove parallel part from deltaVelocity
deltaVelocity -= parallelDelta;
}
}
// simple critical damping
float timescale = computeMotorTimescale();
float tau = glm::clamp(deltaTime / timescale, 0.0f, 1.0f);
_velocity += tau * deltaVelocity;
}
void MyAvatar::applyThrust(float deltaTime) {
_velocity += _thrust * deltaTime;
float speed = glm::length(_velocity);
// cap the speed that thrust can achieve
if (speed > MAX_AVATAR_SPEED) {
_velocity *= MAX_AVATAR_SPEED / speed;
}
// zero thrust so we don't pile up thrust from other sources
_thrust = glm::vec3(0.0f);
}
/* Keep this code for the short term as reference in case we need to further tune the new model
* to achieve legacy movement response.
void MyAvatar::updateThrust(float deltaTime) {
//
// Gather thrust information from keyboard and sensors to apply to avatar motion
//
glm::quat orientation = getHead()->getCameraOrientation();
glm::vec3 front = orientation * IDENTITY_FRONT;
glm::vec3 right = orientation * IDENTITY_RIGHT;
glm::vec3 up = orientation * IDENTITY_UP;
const float THRUST_MAG_UP = 800.0f;
const float THRUST_MAG_DOWN = 300.0f;
const float THRUST_MAG_FWD = 500.0f;
const float THRUST_MAG_BACK = 300.0f;
const float THRUST_MAG_LATERAL = 250.0f;
const float THRUST_JUMP = 120.0f;
// Add Thrusts from keyboard
_thrust += _driveKeys[FWD] * _scale * THRUST_MAG_FWD * _thrustMultiplier * deltaTime * front;
_thrust -= _driveKeys[BACK] * _scale * THRUST_MAG_BACK * _thrustMultiplier * deltaTime * front;
_thrust += _driveKeys[RIGHT] * _scale * THRUST_MAG_LATERAL * _thrustMultiplier * deltaTime * right;
_thrust -= _driveKeys[LEFT] * _scale * THRUST_MAG_LATERAL * _thrustMultiplier * deltaTime * right;
_thrust += _driveKeys[UP] * _scale * THRUST_MAG_UP * _thrustMultiplier * deltaTime * up;
_thrust -= _driveKeys[DOWN] * _scale * THRUST_MAG_DOWN * _thrustMultiplier * deltaTime * up;
// attenuate thrust when in penetration
if (glm::dot(_thrust, _lastBodyPenetration) > EPSILON) {
const float MAX_BODY_PENETRATION_DEPTH = 0.6f * _skeletonModel.getBoundingShapeRadius();
float penetrationFactor = glm::min(1.0f, glm::length(_lastBodyPenetration) / MAX_BODY_PENETRATION_DEPTH);
glm::vec3 penetrationDirection = glm::normalize(_lastBodyPenetration);
// attenuate parallel component
glm::vec3 parallelThrust = glm::dot(_thrust, penetrationDirection) * penetrationDirection;
// attenuate perpendicular component (friction)
glm::vec3 perpendicularThrust = _thrust - parallelThrust;
// recombine to get the final thrust
_thrust = (1.0f - penetrationFactor) * parallelThrust + (1.0f - penetrationFactor * penetrationFactor) * perpendicularThrust;
// attenuate the growth of _thrustMultiplier when in penetration
// otherwise the avatar will eventually be able to tunnel through the obstacle
_thrustMultiplier *= (1.0f - penetrationFactor * penetrationFactor);
} else if (_thrustMultiplier < 1.0f) {
// rapid healing of attenuated thrustMultiplier after penetration event
_thrustMultiplier = 1.0f;
}
_lastBodyPenetration = glm::vec3(0.0f);
// If thrust keys are being held down, slowly increase thrust to allow reaching great speeds
if (_driveKeys[FWD] || _driveKeys[BACK] || _driveKeys[RIGHT] || _driveKeys[LEFT] || _driveKeys[UP] || _driveKeys[DOWN]) {
const float THRUST_INCREASE_RATE = 1.05f;
const float MAX_THRUST_MULTIPLIER = 75.0f;
_thrustMultiplier *= 1.0f + deltaTime * THRUST_INCREASE_RATE;
if (_thrustMultiplier > MAX_THRUST_MULTIPLIER) {
_thrustMultiplier = MAX_THRUST_MULTIPLIER;
}
} else {
_thrustMultiplier = 1.0f;
}
// Add one time jumping force if requested
if (_shouldJump) {
if (glm::length(_gravity) > EPSILON) {
_thrust += _scale * THRUST_JUMP * up;
}
_shouldJump = false;
}
// Update speed brake status
const float MIN_SPEED_BRAKE_VELOCITY = _scale * 0.4f;
if ((glm::length(_thrust) == 0.0f) && _isThrustOn && (glm::length(_velocity) > MIN_SPEED_BRAKE_VELOCITY)) {
_speedBrakes = true;
}
_isThrustOn = (glm::length(_thrust) > EPSILON);
if (_isThrustOn || (_speedBrakes && (glm::length(_velocity) < MIN_SPEED_BRAKE_VELOCITY))) {
_speedBrakes = false;
}
_velocity += _thrust * deltaTime;
// Zero thrust out now that we've added it to velocity in this frame
_thrust = glm::vec3(0.0f);
// apply linear damping
const float MAX_STATIC_FRICTION_SPEED = 0.5f;
const float STATIC_FRICTION_STRENGTH = _scale * 20.0f;
applyStaticFriction(deltaTime, _velocity, MAX_STATIC_FRICTION_SPEED, STATIC_FRICTION_STRENGTH);
const float LINEAR_DAMPING_STRENGTH = 0.5f;
const float SPEED_BRAKE_POWER = _scale * 10.0f;
const float SQUARED_DAMPING_STRENGTH = 0.007f;
const float SLOW_NEAR_RADIUS = 5.0f;
float linearDamping = LINEAR_DAMPING_STRENGTH;
const float NEAR_AVATAR_DAMPING_FACTOR = 50.0f;
if (_distanceToNearestAvatar < _scale * SLOW_NEAR_RADIUS) {
linearDamping *= 1.0f + NEAR_AVATAR_DAMPING_FACTOR *
((SLOW_NEAR_RADIUS - _distanceToNearestAvatar) / SLOW_NEAR_RADIUS);
}
if (_speedBrakes) {
applyDamping(deltaTime, _velocity, linearDamping * SPEED_BRAKE_POWER, SQUARED_DAMPING_STRENGTH * SPEED_BRAKE_POWER);
} else {
applyDamping(deltaTime, _velocity, linearDamping, SQUARED_DAMPING_STRENGTH);
}
}
*/
void MyAvatar::updateCollisionWithEnvironment(float deltaTime, float radius) {
glm::vec3 up = getBodyUpDirection();
const float ENVIRONMENT_SURFACE_ELASTICITY = 0.0f;
const float ENVIRONMENT_SURFACE_DAMPING = 0.01f;
const float ENVIRONMENT_COLLISION_FREQUENCY = 0.05f;
glm::vec3 penetration;
float pelvisFloatingHeight = getPelvisFloatingHeight();
if (Application::getInstance()->getEnvironment()->findCapsulePenetration(
_position - up * (pelvisFloatingHeight - radius),
_position + up * (getSkeletonHeight() - pelvisFloatingHeight + radius), radius, penetration)) {
updateCollisionSound(penetration, deltaTime, ENVIRONMENT_COLLISION_FREQUENCY);
applyHardCollision(penetration, ENVIRONMENT_SURFACE_ELASTICITY, ENVIRONMENT_SURFACE_DAMPING);
}
}
static CollisionList myCollisions(64);
void MyAvatar::updateCollisionWithVoxels(float deltaTime, float radius) {
const float MAX_VOXEL_COLLISION_SPEED = 100.0f;
float speed = glm::length(_velocity);
if (speed > MAX_VOXEL_COLLISION_SPEED) {
// don't even bother to try to collide against voxles when moving very fast
_trapDuration = 0.0f;
return;
}
bool isTrapped = false;
myCollisions.clear();
const CapsuleShape& boundingShape = _skeletonModel.getBoundingShape();
if (Application::getInstance()->getVoxelTree()->findShapeCollisions(&boundingShape, myCollisions, Octree::TryLock)) {
const float VOXEL_ELASTICITY = 0.0f;
const float VOXEL_DAMPING = 0.0f;
float capsuleRadius = boundingShape.getRadius();
float capsuleHalfHeight = boundingShape.getHalfHeight();
const float MAX_STEP_HEIGHT = capsuleRadius + capsuleHalfHeight;
const float MIN_STEP_HEIGHT = 0.0f;
glm::vec3 footBase = boundingShape.getTranslation() - (capsuleRadius + capsuleHalfHeight) * _worldUpDirection;
float highestStep = 0.0f;
float lowestStep = MAX_STEP_HEIGHT;
glm::vec3 floorPoint;
glm::vec3 stepPenetration(0.0f);
glm::vec3 totalPenetration(0.0f);
for (int i = 0; i < myCollisions.size(); ++i) {
CollisionInfo* collision = myCollisions[i];
glm::vec3 cubeCenter = collision->_vecData;
float cubeSide = collision->_floatData;
float verticalDepth = glm::dot(collision->_penetration, _worldUpDirection);
float horizontalDepth = glm::length(collision->_penetration - verticalDepth * _worldUpDirection);
const float MAX_TRAP_PERIOD = 0.125f;
if (horizontalDepth > capsuleRadius || fabsf(verticalDepth) > MAX_STEP_HEIGHT) {
isTrapped = true;
if (_trapDuration > MAX_TRAP_PERIOD) {
float distance = glm::dot(boundingShape.getTranslation() - cubeCenter, _worldUpDirection);
if (distance < 0.0f) {
distance = fabsf(distance) + 0.5f * cubeSide;
}
distance += capsuleRadius + capsuleHalfHeight;
totalPenetration = addPenetrations(totalPenetration, - distance * _worldUpDirection);
continue;
}
} else if (_trapDuration > MAX_TRAP_PERIOD) {
// we're trapped, ignore this collision
continue;
}
totalPenetration = addPenetrations(totalPenetration, collision->_penetration);
if (glm::dot(collision->_penetration, _velocity) >= 0.0f) {
glm::vec3 cubeTop = cubeCenter + (0.5f * cubeSide) * _worldUpDirection;
float stepHeight = glm::dot(_worldUpDirection, cubeTop - footBase);
if (stepHeight > highestStep) {
highestStep = stepHeight;
stepPenetration = collision->_penetration;
}
if (stepHeight < lowestStep) {
lowestStep = stepHeight;
floorPoint = collision->_contactPoint - collision->_penetration;
}
}
}
if (lowestStep < MAX_STEP_HEIGHT) {
_lastFloorContactPoint = floorPoint;
}
float penetrationLength = glm::length(totalPenetration);
if (penetrationLength < EPSILON) {
_trapDuration = 0.0f;
return;
}
float verticalPenetration = glm::dot(totalPenetration, _worldUpDirection);
if (highestStep > MIN_STEP_HEIGHT && highestStep < MAX_STEP_HEIGHT && verticalPenetration <= 0.0f) {
// we're colliding against an edge
glm::vec3 targetVelocity = _motorVelocity;
if (_motionBehaviors & AVATAR_MOTION_MOTOR_USE_LOCAL_FRAME) {
// rotate _motorVelocity into world frame
glm::quat rotation = getHead()->getCameraOrientation();
targetVelocity = rotation * _motorVelocity;
}
if (_wasPushing && glm::dot(targetVelocity, totalPenetration) > EPSILON) {
// we're puhing into the edge, so we want to lift
// remove unhelpful horizontal component of the step's penetration
totalPenetration -= stepPenetration - (glm::dot(stepPenetration, _worldUpDirection) * _worldUpDirection);
// further adjust penetration to help lift
float liftSpeed = glm::max(MAX_WALKING_SPEED, speed);
float thisStep = glm::min(liftSpeed * deltaTime, highestStep);
float extraStep = glm::dot(totalPenetration, _worldUpDirection) + thisStep;
if (extraStep > 0.0f) {
totalPenetration -= extraStep * _worldUpDirection;
}
_position -= totalPenetration;
} else {
// we're not pushing into the edge, so let the avatar fall
applyHardCollision(totalPenetration, VOXEL_ELASTICITY, VOXEL_DAMPING);
}
} else {
applyHardCollision(totalPenetration, VOXEL_ELASTICITY, VOXEL_DAMPING);
}
// Don't make a collision sound against voxlels by default -- too annoying when walking
//const float VOXEL_COLLISION_FREQUENCY = 0.5f;
//updateCollisionSound(myCollisions[0]->_penetration, deltaTime, VOXEL_COLLISION_FREQUENCY);
}
_trapDuration = isTrapped ? _trapDuration + deltaTime : 0.0f;
}
void MyAvatar::applyHardCollision(const glm::vec3& penetration, float elasticity, float damping) {
//
// Update the avatar in response to a hard collision. Position will be reset exactly
// to outside the colliding surface. Velocity will be modified according to elasticity.
//
// if elasticity = 0.0, collision is 100% inelastic.
// if elasticity = 1.0, collision is elastic.
//
_position -= penetration;
static float HALTING_VELOCITY = 0.2f;
// cancel out the velocity component in the direction of penetration
float penetrationLength = glm::length(penetration);
if (penetrationLength > EPSILON) {
glm::vec3 direction = penetration / penetrationLength;
_velocity -= glm::dot(_velocity, direction) * direction * (1.0f + elasticity);
_velocity *= glm::clamp(1.0f - damping, 0.0f, 1.0f);
if ((glm::length(_velocity) < HALTING_VELOCITY) && (glm::length(_thrust) == 0.0f)) {
// If moving really slowly after a collision, and not applying forces, stop altogether
_velocity *= 0.0f;
}
}
}
void MyAvatar::updateCollisionSound(const glm::vec3 &penetration, float deltaTime, float frequency) {
// consider whether to have the collision make a sound
const float AUDIBLE_COLLISION_THRESHOLD = 0.02f;
const float COLLISION_LOUDNESS = 1.0f;
const float DURATION_SCALING = 0.004f;
const float NOISE_SCALING = 0.1f;
glm::vec3 velocity = _velocity;
glm::vec3 gravity = getGravity();
if (glm::length(gravity) > EPSILON) {
// If gravity is on, remove the effect of gravity on velocity for this
// frame, so that we are not constantly colliding with the surface
velocity -= _scale * glm::length(gravity) * GRAVITY_EARTH * deltaTime * glm::normalize(gravity);
}
float velocityTowardCollision = glm::dot(velocity, glm::normalize(penetration));
float velocityTangentToCollision = glm::length(velocity) - velocityTowardCollision;
if (velocityTowardCollision > AUDIBLE_COLLISION_THRESHOLD) {
// Volume is proportional to collision velocity
// Base frequency is modified upward by the angle of the collision
// Noise is a function of the angle of collision
// Duration of the sound is a function of both base frequency and velocity of impact
Application::getInstance()->getAudio()->startCollisionSound(
std::min(COLLISION_LOUDNESS * velocityTowardCollision, 1.0f),
frequency * (1.0f + velocityTangentToCollision / velocityTowardCollision),
std::min(velocityTangentToCollision / velocityTowardCollision * NOISE_SCALING, 1.0f),
1.0f - DURATION_SCALING * powf(frequency, 0.5f) / velocityTowardCollision, false);
}
}
bool findAvatarAvatarPenetration(const glm::vec3 positionA, float radiusA, float heightA,
const glm::vec3 positionB, float radiusB, float heightB, glm::vec3& penetration) {
glm::vec3 positionBA = positionB - positionA;
float xzDistance = sqrt(positionBA.x * positionBA.x + positionBA.z * positionBA.z);
if (xzDistance < (radiusA + radiusB)) {
float yDistance = fabs(positionBA.y);
float halfHeights = 0.5 * (heightA + heightB);
if (yDistance < halfHeights) {
// cylinders collide
if (xzDistance > 0.0f) {
positionBA.y = 0.0f;
// note, penetration should point from A into B
penetration = positionBA * ((radiusA + radiusB - xzDistance) / xzDistance);
return true;
} else {
// exactly coaxial -- we'll return false for this case
return false;
}
} else if (yDistance < halfHeights + radiusA + radiusB) {
// caps collide
if (positionBA.y < 0.0f) {
// A is above B
positionBA.y += halfHeights;
float BA = glm::length(positionBA);
penetration = positionBA * (radiusA + radiusB - BA) / BA;
return true;
} else {
// A is below B
positionBA.y -= halfHeights;
float BA = glm::length(positionBA);
penetration = positionBA * (radiusA + radiusB - BA) / BA;
return true;
}
}
}
return false;
}
void MyAvatar::updateCollisionWithAvatars(float deltaTime) {
// Reset detector for nearest avatar
_distanceToNearestAvatar = std::numeric_limits<float>::max();
const AvatarHash& avatars = Application::getInstance()->getAvatarManager().getAvatarHash();
if (avatars.size() <= 1) {
// no need to compute a bunch of stuff if we have one or fewer avatars
return;
}
float myBoundingRadius = getBoundingRadius();
// find nearest avatar
float nearestDistance2 = std::numeric_limits<float>::max();
Avatar* nearestAvatar = NULL;
foreach (const AvatarSharedPointer& avatarPointer, avatars) {
Avatar* avatar = static_cast<Avatar*>(avatarPointer.data());
if (static_cast<Avatar*>(this) == avatar) {
// don't collide with ourselves
continue;
}
float distance2 = glm::distance2(_position, avatar->getPosition());
if (nearestDistance2 > distance2) {
nearestDistance2 = distance2;
nearestAvatar = avatar;
}
}
_distanceToNearestAvatar = glm::sqrt(nearestDistance2);
if (Menu::getInstance()->isOptionChecked(MenuOption::CollideAsRagdoll)) {
if (nearestAvatar != NULL) {
if (_distanceToNearestAvatar > myBoundingRadius + nearestAvatar->getBoundingRadius()) {
// they aren't close enough to put into the _physicsSimulation
// so we clear the pointer
nearestAvatar = NULL;
}
}
foreach (const AvatarSharedPointer& avatarPointer, avatars) {
Avatar* avatar = static_cast<Avatar*>(avatarPointer.data());
if (static_cast<Avatar*>(this) == avatar) {
// don't collide with ourselves
continue;
}
SkeletonModel* skeleton = &(avatar->getSkeletonModel());
PhysicsSimulation* simulation = skeleton->getSimulation();
if (avatar == nearestAvatar) {
if (simulation != &(_physicsSimulation)) {
skeleton->setEnableShapes(true);
_physicsSimulation.addEntity(skeleton);
_physicsSimulation.addRagdoll(skeleton->getRagdoll());
}
} else if (simulation == &(_physicsSimulation)) {
_physicsSimulation.removeRagdoll(skeleton->getRagdoll());
_physicsSimulation.removeEntity(skeleton);
skeleton->setEnableShapes(false);
}
}
}
}
class SortedAvatar {
public:
Avatar* avatar;
float distance;
glm::vec3 accumulatedCenter;
};
bool operator<(const SortedAvatar& s1, const SortedAvatar& s2) {
return s1.distance < s2.distance;
}
void MyAvatar::updateChatCircle(float deltaTime) {
if (!(_isChatCirclingEnabled = Menu::getInstance()->isOptionChecked(MenuOption::ChatCircling))) {
return;
}
// find all circle-enabled members and sort by distance
QVector<SortedAvatar> sortedAvatars;
foreach (const AvatarSharedPointer& avatarPointer, Application::getInstance()->getAvatarManager().getAvatarHash()) {
Avatar* avatar = static_cast<Avatar*>(avatarPointer.data());
if ( ! avatar->isChatCirclingEnabled() ||
avatar == static_cast<Avatar*>(this)) {
continue;
}
SortedAvatar sortedAvatar;
sortedAvatar.avatar = avatar;
sortedAvatar.distance = glm::distance(_position, sortedAvatar.avatar->getPosition());
sortedAvatars.append(sortedAvatar);
}
qSort(sortedAvatars.begin(), sortedAvatars.end());
// compute the accumulated centers
glm::vec3 center = _position;
for (int i = 0; i < sortedAvatars.size(); i++) {
SortedAvatar& sortedAvatar = sortedAvatars[i];
sortedAvatar.accumulatedCenter = (center += sortedAvatar.avatar->getPosition()) / (i + 2.0f);
}
// remove members whose accumulated circles are too far away to influence us
const float CIRCUMFERENCE_PER_MEMBER = 0.5f;
const float CIRCLE_INFLUENCE_SCALE = 2.0f;
const float MIN_RADIUS = 0.3f;
for (int i = sortedAvatars.size() - 1; i >= 0; i--) {
float radius = qMax(MIN_RADIUS, (CIRCUMFERENCE_PER_MEMBER * (i + 2)) / TWO_PI);
if (glm::distance(_position, sortedAvatars[i].accumulatedCenter) > radius * CIRCLE_INFLUENCE_SCALE) {
sortedAvatars.remove(i);
} else {
break;
}
}
if (sortedAvatars.isEmpty()) {
return;
}
center = sortedAvatars.last().accumulatedCenter;
float radius = qMax(MIN_RADIUS, (CIRCUMFERENCE_PER_MEMBER * (sortedAvatars.size() + 1)) / TWO_PI);
// compute the average up vector
glm::vec3 up = getWorldAlignedOrientation() * IDENTITY_UP;
foreach (const SortedAvatar& sortedAvatar, sortedAvatars) {
up += sortedAvatar.avatar->getWorldAlignedOrientation() * IDENTITY_UP;
}
up = glm::normalize(up);
// find reasonable corresponding right/front vectors
glm::vec3 front = glm::cross(up, IDENTITY_RIGHT);
if (glm::length(front) < EPSILON) {
front = glm::cross(up, IDENTITY_FRONT);
}
front = glm::normalize(front);
glm::vec3 right = glm::cross(front, up);
// find our angle and the angular distances to our closest neighbors
glm::vec3 delta = _position - center;
glm::vec3 projected = glm::vec3(glm::dot(right, delta), glm::dot(front, delta), 0.0f);
float myAngle = glm::length(projected) > EPSILON ? atan2f(projected.y, projected.x) : 0.0f;
float leftDistance = TWO_PI;
float rightDistance = TWO_PI;
foreach (const SortedAvatar& sortedAvatar, sortedAvatars) {
delta = sortedAvatar.avatar->getPosition() - center;
projected = glm::vec3(glm::dot(right, delta), glm::dot(front, delta), 0.0f);
float angle = glm::length(projected) > EPSILON ? atan2f(projected.y, projected.x) : 0.0f;
if (angle < myAngle) {
leftDistance = min(myAngle - angle, leftDistance);
rightDistance = min(TWO_PI - (myAngle - angle), rightDistance);
} else {
leftDistance = min(TWO_PI - (angle - myAngle), leftDistance);
rightDistance = min(angle - myAngle, rightDistance);
}
}
// if we're on top of a neighbor, we need to randomize so that they don't both go in the same direction
if (rightDistance == 0.0f && randomBoolean()) {
swap(leftDistance, rightDistance);
}
// split the difference between our neighbors
float targetAngle = myAngle + (rightDistance - leftDistance) / 4.0f;
glm::vec3 targetPosition = center + (front * sinf(targetAngle) + right * cosf(targetAngle)) * radius;
// approach the target position
const float APPROACH_RATE = 0.05f;
_position = glm::mix(_position, targetPosition, APPROACH_RATE);
}
void MyAvatar::maybeUpdateBillboard() {
if (_billboardValid || !(_skeletonModel.isLoadedWithTextures() && getHead()->getFaceModel().isLoadedWithTextures())) {
return;
}
foreach (Model* model, _attachmentModels) {
if (!model->isLoadedWithTextures()) {
return;
}
}
QImage image = Application::getInstance()->renderAvatarBillboard();
_billboard.clear();
QBuffer buffer(&_billboard);
buffer.open(QIODevice::WriteOnly);
image.save(&buffer, "PNG");
_billboardValid = true;
sendBillboardPacket();
}
void MyAvatar::goHome() {
qDebug("Going Home!");
setPosition(START_LOCATION);
}
void MyAvatar::increaseSize() {
if ((1.0f + SCALING_RATIO) * _targetScale < MAX_AVATAR_SCALE) {
_targetScale *= (1.0f + SCALING_RATIO);
qDebug("Changed scale to %f", _targetScale);
}
}
void MyAvatar::decreaseSize() {
if (MIN_AVATAR_SCALE < (1.0f - SCALING_RATIO) * _targetScale) {
_targetScale *= (1.0f - SCALING_RATIO);
qDebug("Changed scale to %f", _targetScale);
}
}
void MyAvatar::resetSize() {
_targetScale = 1.0f;
qDebug("Reseted scale to %f", _targetScale);
}
void MyAvatar::goToLocationFromResponse(const QJsonObject& jsonObject) {
QJsonObject locationObject = jsonObject["data"].toObject()["address"].toObject();
goToLocationFromAddress(locationObject);
}
void MyAvatar::goToLocationFromAddress(const QJsonObject& locationObject) {
// send a node kill request, indicating to other clients that they should play the "disappeared" effect
sendKillAvatar();
QString positionString = locationObject["position"].toString();
QString orientationString = locationObject["orientation"].toString();
QString domainHostnameString = locationObject["domain"].toString();
qDebug() << "Changing domain to" << domainHostnameString <<
", position to" << positionString <<
", and orientation to" << orientationString;
QStringList coordinateItems = positionString.split(',');
QStringList orientationItems = orientationString.split(',');
NodeList::getInstance()->getDomainHandler().setHostname(domainHostnameString);
// orient the user to face the target
glm::quat newOrientation = glm::quat(glm::radians(glm::vec3(orientationItems[0].toFloat(),
orientationItems[1].toFloat(),
orientationItems[2].toFloat())))
* glm::angleAxis(PI, glm::vec3(0.0f, 1.0f, 0.0f));
setOrientation(newOrientation);
// move the user a couple units away
const float DISTANCE_TO_USER = 2.0f;
glm::vec3 newPosition = glm::vec3(coordinateItems[0].toFloat(), coordinateItems[1].toFloat(),
coordinateItems[2].toFloat()) - newOrientation * IDENTITY_FRONT * DISTANCE_TO_USER;
setPosition(newPosition);
emit transformChanged();
}
void MyAvatar::updateMotionBehaviorsFromMenu() {
Menu* menu = Menu::getInstance();
if (menu->isOptionChecked(MenuOption::ObeyEnvironmentalGravity)) {
_motionBehaviors |= AVATAR_MOTION_OBEY_ENVIRONMENTAL_GRAVITY;
// Environmental and Local gravities are incompatible. Environmental setting trumps local.
_motionBehaviors &= ~AVATAR_MOTION_OBEY_LOCAL_GRAVITY;
} else {
_motionBehaviors &= ~AVATAR_MOTION_OBEY_ENVIRONMENTAL_GRAVITY;
}
if (! (_motionBehaviors & (AVATAR_MOTION_OBEY_ENVIRONMENTAL_GRAVITY | AVATAR_MOTION_OBEY_LOCAL_GRAVITY))) {
setGravity(glm::vec3(0.0f));
}
if (menu->isOptionChecked(MenuOption::StandOnNearbyFloors)) {
_motionBehaviors |= AVATAR_MOTION_STAND_ON_NEARBY_FLOORS;
// standing on floors requires collision with voxels
_collisionGroups |= COLLISION_GROUP_VOXELS;
menu->setIsOptionChecked(MenuOption::CollideWithVoxels, true);
} else {
_motionBehaviors &= ~AVATAR_MOTION_STAND_ON_NEARBY_FLOORS;
}
}
void MyAvatar::renderAttachments(RenderMode renderMode) {
if (Application::getInstance()->getCamera()->getMode() != CAMERA_MODE_FIRST_PERSON || renderMode == MIRROR_RENDER_MODE) {
Avatar::renderAttachments(renderMode);
return;
}
const FBXGeometry& geometry = _skeletonModel.getGeometry()->getFBXGeometry();
QString headJointName = (geometry.headJointIndex == -1) ? QString() : geometry.joints.at(geometry.headJointIndex).name;
Model::RenderMode modelRenderMode = (renderMode == SHADOW_RENDER_MODE) ?
Model::SHADOW_RENDER_MODE : Model::DEFAULT_RENDER_MODE;
bool receiveShadows = Menu::getInstance()->isOptionChecked(MenuOption::AvatarsReceiveShadows);
for (int i = 0; i < _attachmentData.size(); i++) {
const QString& jointName = _attachmentData.at(i).jointName;
if (jointName != headJointName && jointName != "Head") {
_attachmentModels.at(i)->render(1.0f, modelRenderMode, receiveShadows);
}
}
}
void MyAvatar::setCollisionGroups(quint32 collisionGroups) {
Avatar::setCollisionGroups(collisionGroups & VALID_COLLISION_GROUPS);
Menu* menu = Menu::getInstance();
menu->setIsOptionChecked(MenuOption::CollideWithEnvironment, (bool)(_collisionGroups & COLLISION_GROUP_ENVIRONMENT));
menu->setIsOptionChecked(MenuOption::CollideWithAvatars, (bool)(_collisionGroups & COLLISION_GROUP_AVATARS));
menu->setIsOptionChecked(MenuOption::CollideWithVoxels, (bool)(_collisionGroups & COLLISION_GROUP_VOXELS));
menu->setIsOptionChecked(MenuOption::CollideWithParticles, (bool)(_collisionGroups & COLLISION_GROUP_PARTICLES));
if (! (_collisionGroups & COLLISION_GROUP_VOXELS)) {
// no collision with voxels --> disable standing on floors
_motionBehaviors &= ~AVATAR_MOTION_STAND_ON_NEARBY_FLOORS;
menu->setIsOptionChecked(MenuOption::StandOnNearbyFloors, false);
}
}
void MyAvatar::setMotionBehaviorsByScript(quint32 flags) {
// start with the defaults
_motionBehaviors = AVATAR_MOTION_DEFAULTS;
// add the set scriptable bits
_motionBehaviors += flags & AVATAR_MOTION_SCRIPTABLE_BITS;
// reconcile incompatible settings from menu (if any)
Menu* menu = Menu::getInstance();
menu->setIsOptionChecked(MenuOption::ObeyEnvironmentalGravity, (bool)(_motionBehaviors & AVATAR_MOTION_OBEY_ENVIRONMENTAL_GRAVITY));
// Environmental and Local gravities are incompatible. Environmental setting trumps local.
if (_motionBehaviors & AVATAR_MOTION_OBEY_ENVIRONMENTAL_GRAVITY) {
_motionBehaviors &= ~AVATAR_MOTION_OBEY_LOCAL_GRAVITY;
setGravity(Application::getInstance()->getEnvironment()->getGravity(getPosition()));
} else if (! (_motionBehaviors & (AVATAR_MOTION_OBEY_ENVIRONMENTAL_GRAVITY | AVATAR_MOTION_OBEY_LOCAL_GRAVITY))) {
setGravity(glm::vec3(0.0f));
}
}
void MyAvatar::applyCollision(const glm::vec3& contactPoint, const glm::vec3& penetration) {
glm::vec3 leverAxis = contactPoint - getPosition();
float leverLength = glm::length(leverAxis);
if (leverLength > EPSILON) {
// compute lean perturbation angles
glm::quat bodyRotation = getOrientation();
glm::vec3 xAxis = bodyRotation * glm::vec3(1.0f, 0.0f, 0.0f);
glm::vec3 zAxis = bodyRotation * glm::vec3(0.0f, 0.0f, 1.0f);
leverAxis = leverAxis / leverLength;
glm::vec3 effectivePenetration = penetration - glm::dot(penetration, leverAxis) * leverAxis;
// use the small-angle approximation for sine
float sideways = - glm::dot(effectivePenetration, xAxis) / leverLength;
float forward = glm::dot(effectivePenetration, zAxis) / leverLength;
getHead()->addLeanDeltas(sideways, forward);
}
}
//Renders sixense laser pointers for UI selection with controllers
void MyAvatar::renderLaserPointers() {
const float PALM_TIP_ROD_RADIUS = 0.002f;
//If the Oculus is enabled, we will draw a blue cursor ray
for (size_t i = 0; i < getHand()->getNumPalms(); ++i) {
PalmData& palm = getHand()->getPalms()[i];
if (palm.isActive()) {
glColor4f(0, 1, 1, 1);
glm::vec3 tip = getLaserPointerTipPosition(&palm);
glm::vec3 root = palm.getPosition();
//Scale the root vector with the avatar scale
scaleVectorRelativeToPosition(root);
Avatar::renderJointConnectingCone(root, tip, PALM_TIP_ROD_RADIUS, PALM_TIP_ROD_RADIUS);
}
}
}
//Gets the tip position for the laser pointer
glm::vec3 MyAvatar::getLaserPointerTipPosition(const PalmData* palm) {
const ApplicationOverlay& applicationOverlay = Application::getInstance()->getApplicationOverlay();
glm::vec3 direction = glm::normalize(palm->getTipPosition() - palm->getPosition());
glm::vec3 position = palm->getPosition();
//scale the position with the avatar
scaleVectorRelativeToPosition(position);
glm::vec3 result;
if (applicationOverlay.calculateRayUICollisionPoint(position, direction, result)) {
return result;
}
return palm->getPosition();
}
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