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376 lines
14 KiB
C++
376 lines
14 KiB
C++
//
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// Hand.cpp
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// interface
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//
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// Copyright (c) 2013 High Fidelity, Inc. All rights reserved.
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#include <QImage>
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#include <NodeList.h>
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#include <GeometryUtil.h>
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#include <StreamUtils.h>
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#include "Application.h"
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#include "Avatar.h"
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#include "Hand.h"
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#include "Menu.h"
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#include "Util.h"
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#include "renderer/ProgramObject.h"
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using namespace std;
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const float FINGERTIP_COLLISION_RADIUS = 0.01f;
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const float PALM_COLLISION_RADIUS = 0.03f;
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Hand::Hand(Avatar* owningAvatar) :
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HandData((AvatarData*)owningAvatar),
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_owningAvatar(owningAvatar),
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_renderAlpha(1.0)
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{
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}
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void Hand::init() {
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}
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void Hand::reset() {
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}
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void Hand::simulate(float deltaTime, bool isMine) {
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calculateGeometry();
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if (isMine) {
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// Iterate hand controllers, take actions as needed
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for (size_t i = 0; i < getNumPalms(); ++i) {
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PalmData& palm = getPalms()[i];
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palm.setLastControllerButtons(palm.getControllerButtons());
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}
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}
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}
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void Hand::playSlaps(PalmData& palm, Avatar* avatar) {
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// Check for palm collisions
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glm::vec3 myPalmPosition = palm.getPosition();
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float palmCollisionDistance = 0.1f;
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bool wasColliding = palm.getIsCollidingWithPalm();
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palm.setIsCollidingWithPalm(false);
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// If 'Play Slaps' is enabled, look for palm-to-palm collisions and make sound
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for (size_t j = 0; j < avatar->getHand()->getNumPalms(); j++) {
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PalmData& otherPalm = avatar->getHand()->getPalms()[j];
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if (!otherPalm.isActive()) {
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continue;
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}
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glm::vec3 otherPalmPosition = otherPalm.getPosition();
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if (glm::length(otherPalmPosition - myPalmPosition) < palmCollisionDistance) {
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palm.setIsCollidingWithPalm(true);
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if (!wasColliding) {
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const float PALM_COLLIDE_VOLUME = 1.f;
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const float PALM_COLLIDE_FREQUENCY = 1000.f;
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const float PALM_COLLIDE_DURATION_MAX = 0.75f;
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const float PALM_COLLIDE_DECAY_PER_SAMPLE = 0.01f;
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Application::getInstance()->getAudio()->startDrumSound(PALM_COLLIDE_VOLUME,
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PALM_COLLIDE_FREQUENCY,
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PALM_COLLIDE_DURATION_MAX,
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PALM_COLLIDE_DECAY_PER_SAMPLE);
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// If the other person's palm is in motion, move mine downward to show I was hit
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const float MIN_VELOCITY_FOR_SLAP = 0.05f;
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if (glm::length(otherPalm.getVelocity()) > MIN_VELOCITY_FOR_SLAP) {
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// add slapback here
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}
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}
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}
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}
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}
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// We create a static CollisionList that is recycled for each collision test.
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const float MAX_COLLISIONS_PER_AVATAR = 32;
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static CollisionList handCollisions(MAX_COLLISIONS_PER_AVATAR);
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void Hand::collideAgainstAvatarOld(Avatar* avatar, bool isMyHand) {
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if (!avatar || avatar == _owningAvatar) {
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// don't collide with our own hands (that is done elsewhere)
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return;
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}
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float scaledPalmRadius = PALM_COLLISION_RADIUS * _owningAvatar->getScale();
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for (size_t i = 0; i < getNumPalms(); i++) {
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PalmData& palm = getPalms()[i];
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if (!palm.isActive()) {
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continue;
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}
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if (isMyHand && Menu::getInstance()->isOptionChecked(MenuOption::PlaySlaps)) {
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playSlaps(palm, avatar);
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}
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glm::vec3 totalPenetration;
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handCollisions.clear();
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if (avatar->findSphereCollisions(palm.getPosition(), scaledPalmRadius, handCollisions)) {
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for (int j = 0; j < handCollisions.size(); ++j) {
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CollisionInfo* collision = handCollisions.getCollision(j);
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if (isMyHand) {
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totalPenetration = addPenetrations(totalPenetration, collision->_penetration);
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}
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}
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}
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if (isMyHand) {
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// resolve penetration
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palm.addToPosition(-totalPenetration);
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}
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}
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}
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void Hand::collideAgainstAvatar(Avatar* avatar, bool isMyHand) {
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if (!avatar || avatar == _owningAvatar) {
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// don't collide hands against ourself (that is done elsewhere)
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return;
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}
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const SkeletonModel& skeletonModel = _owningAvatar->getSkeletonModel();
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int jointIndices[2];
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jointIndices[0] = skeletonModel.getLeftHandJointIndex();
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jointIndices[1] = skeletonModel.getRightHandJointIndex();
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for (size_t i = 0; i < 2; i++) {
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int jointIndex = jointIndices[i];
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if (jointIndex < 0) {
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continue;
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}
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handCollisions.clear();
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QVector<const Shape*> shapes;
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skeletonModel.getHandShapes(jointIndex, shapes);
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if (avatar->findCollisions(shapes, handCollisions)) {
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glm::vec3 totalPenetration(0.f);
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glm::vec3 averageContactPoint;
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for (int j = 0; j < handCollisions.size(); ++j) {
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CollisionInfo* collision = handCollisions.getCollision(j);
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totalPenetration += collision->_penetration;
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averageContactPoint += collision->_contactPoint;
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}
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if (isMyHand) {
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// our hand against other avatar
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// TODO: resolve this penetration when we don't think the other avatar will yield
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//palm.addToPenetration(averagePenetration);
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} else {
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// someone else's hand against MyAvatar
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// TODO: submit collision info to MyAvatar which should lean accordingly
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averageContactPoint /= (float)handCollisions.size();
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avatar->applyCollision(averageContactPoint, totalPenetration);
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}
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}
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}
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}
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void Hand::collideAgainstOurself() {
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if (!Menu::getInstance()->isOptionChecked(MenuOption::HandsCollideWithSelf)) {
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return;
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}
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int leftPalmIndex, rightPalmIndex;
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getLeftRightPalmIndices(leftPalmIndex, rightPalmIndex);
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float scaledPalmRadius = PALM_COLLISION_RADIUS * _owningAvatar->getScale();
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const Model& skeletonModel = _owningAvatar->getSkeletonModel();
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for (int i = 0; i < int(getNumPalms()); i++) {
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PalmData& palm = getPalms()[i];
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if (!palm.isActive()) {
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continue;
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}
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// ignoring everything below the parent of the parent of the last free joint
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int skipIndex = skeletonModel.getParentJointIndex(skeletonModel.getParentJointIndex(
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skeletonModel.getLastFreeJointIndex((int(i) == leftPalmIndex) ? skeletonModel.getLeftHandJointIndex() :
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(int(i) == rightPalmIndex) ? skeletonModel.getRightHandJointIndex() : -1)));
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handCollisions.clear();
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if (_owningAvatar->findSphereCollisions(palm.getPosition(), scaledPalmRadius, handCollisions, skipIndex)) {
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glm::vec3 totalPenetration;
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for (int j = 0; j < handCollisions.size(); ++j) {
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CollisionInfo* collision = handCollisions.getCollision(j);
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totalPenetration = addPenetrations(totalPenetration, collision->_penetration);
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}
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// resolve penetration
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palm.addToPenetration(totalPenetration);
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}
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}
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}
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void Hand::resolvePenetrations() {
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for (size_t i = 0; i < getNumPalms(); ++i) {
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PalmData& palm = getPalms()[i];
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palm.resolvePenetrations();
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}
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}
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void Hand::calculateGeometry() {
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// generate finger tip balls....
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_leapFingerTipBalls.clear();
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for (size_t i = 0; i < getNumPalms(); ++i) {
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PalmData& palm = getPalms()[i];
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if (palm.isActive()) {
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for (size_t f = 0; f < palm.getNumFingers(); ++f) {
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FingerData& finger = palm.getFingers()[f];
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if (finger.isActive()) {
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const float standardBallRadius = FINGERTIP_COLLISION_RADIUS;
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HandBall ball;
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ball.rotation = getBaseOrientation();
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ball.position = finger.getTipPosition();
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ball.radius = standardBallRadius;
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ball.touchForce = 0.0;
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ball.isCollidable = true;
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ball.isColliding = false;
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_leapFingerTipBalls.push_back(ball);
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}
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}
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}
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}
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// generate finger root balls....
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_leapFingerRootBalls.clear();
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for (size_t i = 0; i < getNumPalms(); ++i) {
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PalmData& palm = getPalms()[i];
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if (palm.isActive()) {
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for (size_t f = 0; f < palm.getNumFingers(); ++f) {
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FingerData& finger = palm.getFingers()[f];
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if (finger.isActive()) {
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const float standardBallRadius = 0.005f;
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HandBall ball;
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ball.rotation = getBaseOrientation();
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ball.position = finger.getRootPosition();
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ball.radius = standardBallRadius;
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ball.touchForce = 0.0;
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ball.isCollidable = true;
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ball.isColliding = false;
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_leapFingerRootBalls.push_back(ball);
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}
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}
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}
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}
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}
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void Hand::render(bool isMine) {
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_renderAlpha = 1.0;
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if (Menu::getInstance()->isOptionChecked(MenuOption::RenderSkeletonCollisionShapes)) {
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// draw a green sphere at hand joint location, which is actually near the wrist)
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for (size_t i = 0; i < getNumPalms(); i++) {
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PalmData& palm = getPalms()[i];
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if (!palm.isActive()) {
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continue;
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}
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glm::vec3 position = palm.getPosition();
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glPushMatrix();
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glTranslatef(position.x, position.y, position.z);
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glColor3f(0.0f, 1.0f, 0.0f);
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glutSolidSphere(PALM_COLLISION_RADIUS * _owningAvatar->getScale(), 10, 10);
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glPopMatrix();
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}
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}
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if (Menu::getInstance()->isOptionChecked(MenuOption::DisplayHands)) {
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renderLeapHands(isMine);
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}
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glEnable(GL_DEPTH_TEST);
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glEnable(GL_RESCALE_NORMAL);
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}
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void Hand::renderLeapHands(bool isMine) {
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const float alpha = 1.0f;
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const glm::vec3 handColor(1.0, 0.84, 0.66); // use the skin color
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glEnable(GL_DEPTH_TEST);
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glDepthMask(GL_TRUE);
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if (isMine && Menu::getInstance()->isOptionChecked(MenuOption::DisplayHandTargets)) {
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for (size_t i = 0; i < getNumPalms(); ++i) {
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PalmData& palm = getPalms()[i];
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if (!palm.isActive()) {
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continue;
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}
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glm::vec3 targetPosition;
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palm.getBallHoldPosition(targetPosition);
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glPushMatrix();
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const float collisionRadius = 0.05f;
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glColor4f(0.5f,0.5f,0.5f, alpha);
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glutWireSphere(collisionRadius, 10.f, 10.f);
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glPopMatrix();
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}
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}
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glPushMatrix();
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// Draw the leap balls
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for (size_t i = 0; i < _leapFingerTipBalls.size(); i++) {
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if (alpha > 0.0f) {
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if (_leapFingerTipBalls[i].isColliding) {
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glColor4f(handColor.r, 0, 0, alpha);
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} else {
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glColor4f(handColor.r, handColor.g, handColor.b, alpha);
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}
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glPushMatrix();
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glTranslatef(_leapFingerTipBalls[i].position.x, _leapFingerTipBalls[i].position.y, _leapFingerTipBalls[i].position.z);
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glutSolidSphere(_leapFingerTipBalls[i].radius, 20.0f, 20.0f);
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glPopMatrix();
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}
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}
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// Draw the finger root cones
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for (size_t i = 0; i < getNumPalms(); ++i) {
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PalmData& palm = getPalms()[i];
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if (palm.isActive()) {
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for (size_t f = 0; f < palm.getNumFingers(); ++f) {
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FingerData& finger = palm.getFingers()[f];
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if (finger.isActive()) {
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glColor4f(handColor.r, handColor.g, handColor.b, 0.5);
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glm::vec3 tip = finger.getTipPosition();
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glm::vec3 root = finger.getRootPosition();
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Avatar::renderJointConnectingCone(root, tip, 0.001f, 0.003f);
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}
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}
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}
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}
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// Draw the hand paddles
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int MAX_NUM_PADDLES = 2; // one for left and one for right
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glColor4f(handColor.r, handColor.g, handColor.b, 0.3f);
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for (int i = 0; i < MAX_NUM_PADDLES; i++) {
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const PalmData* palm = getPalm(i);
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if (palm) {
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// compute finger axis
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glm::vec3 fingerAxis(0.f);
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for (size_t f = 0; f < palm->getNumFingers(); ++f) {
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const FingerData& finger = (palm->getFingers())[f];
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if (finger.isActive()) {
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glm::vec3 fingerTip = finger.getTipPosition();
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glm::vec3 fingerRoot = finger.getRootPosition();
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fingerAxis = glm::normalize(fingerTip - fingerRoot);
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break;
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}
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}
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// compute paddle position
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glm::vec3 handPosition;
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if (i == SIXENSE_CONTROLLER_ID_LEFT_HAND) {
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_owningAvatar->getSkeletonModel().getLeftHandPosition(handPosition);
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} else if (i == SIXENSE_CONTROLLER_ID_RIGHT_HAND) {
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_owningAvatar->getSkeletonModel().getRightHandPosition(handPosition);
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}
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glm::vec3 tip = handPosition + HAND_PADDLE_OFFSET * fingerAxis;
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glm::vec3 root = tip + palm->getNormal() * HAND_PADDLE_THICKNESS;
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// render a very shallow cone as the paddle
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Avatar::renderJointConnectingCone(root, tip, HAND_PADDLE_RADIUS, 0.f);
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}
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}
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glDepthMask(GL_TRUE);
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glEnable(GL_DEPTH_TEST);
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glPopMatrix();
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}
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