overte/examples/libraries/walkApi.js
2014-11-13 15:01:45 -08:00

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JavaScript

//
// walkObjects.js
//
// version 1.001
//
// Created by David Wooldridge, Autumn 2014
//
// Motion, state and Transition objects for use by the walk.js script v1.1
//
// Distributed under the Apache License, Version 2.0.
// See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
//
// constructor for the Motion object
Motion = function() {
this.setGender = function(gender) {
this.avatarGender = gender;
switch(this.avatarGender) {
case MALE:
this.selWalk = walkAssets.maleStandardWalk;
this.selStand = walkAssets.maleStandOne;
this.selFlyUp = walkAssets.maleFlyingUp;
this.selFly = walkAssets.maleFlying;
this.selFlyDown = walkAssets.maleFlyingDown;
this.selSideStepLeft = walkAssets.maleSideStepLeft;
this.selSideStepRight = walkAssets.maleSideStepRight;
this.curAnim = this.selStand;
return;
case FEMALE:
this.selWalk = walkAssets.femaleStandardWalk;
this.selStand = walkAssets.femaleStandOne;
this.selFlyUp = walkAssets.femaleFlyingUp;
this.selFly = walkAssets.femaleFlying;
this.selFlyDown = walkAssets.femaleFlyingDown;
this.selSideStepLeft = walkAssets.femaleSideStepLeft;
this.selSideStepRight = walkAssets.femaleSideStepRight;
this.curAnim = this.selStand;
return;
}
}
this.hydraCheck = function() {
// function courtesy of Thijs Wenker, frisbee.js
var numberOfButtons = Controller.getNumberOfButtons();
var numberOfTriggers = Controller.getNumberOfTriggers();
var numberOfSpatialControls = Controller.getNumberOfSpatialControls();
var controllersPerTrigger = numberOfSpatialControls / numberOfTriggers;
hydrasConnected = (numberOfButtons == 12 && numberOfTriggers == 2 && controllersPerTrigger == 2);
return hydrasConnected;
}
// settings
this.armsFree = this.hydraCheck(); // automatically sets true for Hydra support - temporary fix
this.makesFootStepSounds = true;
this.avatarGender = MALE;
this.motionPitchMax = 60;
this.motionRollMax = 40;
// timing
this.frameStartTime = 0; // used for measuring frame execution times
this.frameExecutionTimeMax = 0; // keep track of the longest frame execution time
this.cumulativeTime = 0.0;
this.lastWalkStartTime = 0;
// selected animations
this.selWalk = walkAssets.maleStandardWalk;
this.selStand = walkAssets.maleStandOne;
this.selFlyUp = walkAssets.maleFlyingUp;
this.selFly = walkAssets.maleFlying;
this.selFlyDown = walkAssets.maleFlyingDown;
this.selSideStepLeft = walkAssets.maleSideStepLeft;
this.selSideStepRight = walkAssets.maleSideStepRight;
// the currently selected animation, joint and transition
this.curAnim = this.selStand;
this.curJointIndex = 0;
this.curTransition = null;
// zero out avi's joints, curl the fingers nicely then take some measurements
this.avatarJointNames = MyAvatar.getJointNames();
if (!this.armsFree) {
for (var i = 0; i < this.avatarJointNames.length; i++) {
if (i > 17 || i < 34) {
// left hand fingers
MyAvatar.setJointData(this.avatarJointNames[i], Quat.fromPitchYawRollDegrees(16, 0, 0));
} else if (i > 33 || i < 38) {
// left hand thumb
MyAvatar.setJointData(this.avatarJointNames[i], Quat.fromPitchYawRollDegrees(4, 0, 0));
} else if (i > 41 || i < 58) {
// right hand fingers
MyAvatar.setJointData(this.avatarJointNames[i], Quat.fromPitchYawRollDegrees(16, 0, 0));
} else if (i > 57 || i < 62) {
// right hand thumb
MyAvatar.setJointData(this.avatarJointNames[i], Quat.fromPitchYawRollDegrees(4, 0, 0));
} else {
// zero out the remaining joints
MyAvatar.clearJointData(this.avatarJointNames[i]);
}
}
}
this.footRPos = MyAvatar.getJointPosition("RightFoot");
this.hipsToFeet = MyAvatar.getJointPosition("Hips").y - this.footRPos.y;
// walkwheel (foot / ground speed matching)
this.direction = FORWARDS;
this.nextStep = RIGHT;
this.nFrames = 0;
this.strideLength = this.selWalk.calibration.strideLengthForwards;
this.walkWheelPos = 0;
this.advanceWalkWheel = function(angle){
this.walkWheelPos += angle;
if (motion.walkWheelPos >= 360) {
this.walkWheelPos = this.walkWheelPos % 360;
}
}
// last frame history
this.lastDirection = 0;
this.lastVelocity = 0;
this.lastStrideLength = 0; // kept for use during transitions
}; // end Motion constructor
// finite state machine
state = (function () {
return {
// the finite list of states
STANDING: 1,
WALKING: 2,
SIDE_STEP: 3,
FLYING: 4,
EDIT_WALK_STYLES: 5,
EDIT_WALK_TWEAKS: 6,
EDIT_WALK_JOINTS: 7,
EDIT_STANDING: 8,
EDIT_FLYING: 9,
EDIT_FLYING_UP: 10,
EDIT_FLYING_DOWN: 11,
EDIT_SIDESTEP_LEFT: 12,
EDIT_SIDESTEP_RIGHT: 14,
currentState: this.STANDING,
// status vars
powerOn: true,
minimised: true,
editing: false,
editingTranslation: false,
setInternalState: function(newInternalState) {
switch (newInternalState) {
case this.WALKING:
this.currentState = this.WALKING;
this.editing = false;
motion.lastWalkStartTime = new Date().getTime();
walkInterface.updateMenu();
return;
case this.FLYING:
this.currentState = this.FLYING;
this.editing = false;
motion.lastWalkStartTime = 0;
walkInterface.updateMenu();
return;
case this.SIDE_STEP:
this.currentState = this.SIDE_STEP;
this.editing = false;
motion.lastWalkStartTime = new Date().getTime();
walkInterface.updateMenu();
return;
case this.EDIT_WALK_STYLES:
this.currentState = this.EDIT_WALK_STYLES;
this.editing = true;
motion.lastWalkStartTime = new Date().getTime();
motion.curAnim = motion.selWalk;
walkInterface.updateMenu();
return;
case this.EDIT_WALK_TWEAKS:
this.currentState = this.EDIT_WALK_TWEAKS;
this.editing = true;
motion.lastWalkStartTime = new Date().getTime();
motion.curAnim = motion.selWalk;
walkInterface.updateMenu();
return;
case this.EDIT_WALK_JOINTS:
this.currentState = this.EDIT_WALK_JOINTS;
this.editing = true;
motion.lastWalkStartTime = new Date().getTime();
motion.curAnim = motion.selWalk;
walkInterface.updateMenu();
return;
case this.EDIT_STANDING:
this.currentState = this.EDIT_STANDING;
this.editing = true;
motion.lastWalkStartTime = 0;
motion.curAnim = motion.selStand;
walkInterface.updateMenu();
return;
case this.EDIT_SIDESTEP_LEFT:
this.currentState = this.EDIT_SIDESTEP_LEFT;
this.editing = true;
motion.lastWalkStartTime = new Date().getTime();
motion.curAnim = motion.selSideStepLeft;
walkInterface.updateMenu();
return;
case this.EDIT_SIDESTEP_RIGHT:
this.currentState = this.EDIT_SIDESTEP_RIGHT;
this.editing = true;
motion.lastWalkStartTime = new Date().getTime();
motion.curAnim = motion.selSideStepRight;
walkInterface.updateMenu();
return;
case this.EDIT_FLYING:
this.currentState = this.EDIT_FLYING;
this.editing = true;
motion.lastWalkStartTime = 0;
motion.curAnim = motion.selFly;
walkInterface.updateMenu();
return;
case this.EDIT_FLYING_UP:
this.currentState = this.EDIT_FLYING_UP;
this.editing = true;
motion.lastWalkStartTime = 0;
motion.curAnim = motion.selFlyUp;
walkInterface.updateMenu();
return;
case this.EDIT_FLYING_DOWN:
this.currentState = this.EDIT_FLYING_DOWN;
this.editing = true;
motion.lastWalkStartTime = 0;
motion.curAnim = motion.selFlyDown;
walkInterface.updateMenu();
return;
case this.STANDING:
default:
this.currentState = this.STANDING;
this.editing = false;
motion.lastWalkStartTime = 0;
motion.curAnim = motion.selStand;
walkInterface.updateMenu();
// initialisation - runs at script startup only
if (motion.strideLength === 0) {
motion.setGender(MALE);
if (motion.direction === BACKWARDS) {
motion.strideLength = motion.selWalk.calibration.strideLengthBackwards;
} else {
motion.strideLength = motion.selWalk.calibration.strideLengthForwards;
}
}
return;
}
}
}
})(); // end state object literal
// constructor for animation Transition
Transition = function(lastAnimation, nextAnimation, reachPoses, transitionDuration, easingLower, easingUpper) {
this.lastAnim = lastAnimation; // name of last animation
this.nextAnimation = nextAnimation; // name of next animation
if (lastAnimation === motion.selWalk ||
nextAnimation === motion.selSideStepLeft ||
nextAnimation === motion.selSideStepRight) {
// boolean - is the last animation a walking animation?
this.walkingAtStart = true;
} else {
this.walkingAtStart = false;
}
if (nextAnimation === motion.selWalk ||
nextAnimation === motion.selSideStepLeft ||
nextAnimation === motion.selSideStepRight) {
// boolean - is the next animation a walking animation?
this.walkingAtEnd = true;
} else {
this.walkingAtEnd = false;
}
this.reachPoses = reachPoses; // placeholder / stub: array of reach poses for squash and stretch techniques
this.transitionDuration = transitionDuration; // length of transition (seconds)
this.easingLower = easingLower; // Bezier curve handle (normalised)
this.easingUpper = easingUpper; // Bezier curve handle (normalised)
this.startTime = new Date().getTime(); // Starting timestamp (seconds)
this.progress = 0; // how far are we through the transition?
this.walkWheelIncrement = 3; // how much to turn the walkwheel each frame when transitioning to / from walking
this.walkWheelAdvance = 0; // how many degrees the walk wheel has been advanced during the transition
this.walkStopAngle = 0; // what angle should we stop the walk cycle?
}; // end Transition constructor
walkAssets = (function () {
// path to the sounds used for the footsteps
var _pathToSounds = 'https://s3.amazonaws.com/hifi-public/sounds/Footsteps/';
// read in the sounds
var _footsteps = [];
_footsteps.push(SoundCache.getSound(_pathToSounds+"FootstepW2Left-12db.wav"));
_footsteps.push(SoundCache.getSound(_pathToSounds+"FootstepW2Right-12db.wav"));
_footsteps.push(SoundCache.getSound(_pathToSounds+"FootstepW3Left-12db.wav"));
_footsteps.push(SoundCache.getSound(_pathToSounds+"FootstepW3Right-12db.wav"));
_footsteps.push(SoundCache.getSound(_pathToSounds+"FootstepW5Left-12db.wav"));
_footsteps.push(SoundCache.getSound(_pathToSounds+"FootstepW5Right-12db.wav"));
// load the animation datafiles
Script.include(pathToAssets+"animations/dd-female-standard-walk-animation.js");
Script.include(pathToAssets+"animations/dd-female-flying-up-animation.js");
Script.include(pathToAssets+"animations/dd-female-flying-animation.js");
Script.include(pathToAssets+"animations/dd-female-flying-down-animation.js");
Script.include(pathToAssets+"animations/dd-female-standing-one-animation.js");
Script.include(pathToAssets+"animations/dd-female-sidestep-left-animation.js");
Script.include(pathToAssets+"animations/dd-female-sidestep-right-animation.js");
Script.include(pathToAssets+"animations/dd-male-standard-walk-animation.js");
Script.include(pathToAssets+"animations/dd-male-flying-up-animation.js");
Script.include(pathToAssets+"animations/dd-male-flying-animation.js");
Script.include(pathToAssets+"animations/dd-male-flying-down-animation.js");
Script.include(pathToAssets+"animations/dd-male-standing-one-animation.js");
Script.include(pathToAssets+"animations/dd-male-sidestep-left-animation.js");
Script.include(pathToAssets+"animations/dd-male-sidestep-right-animation.js");
// read in the animation files
var _FemaleStandardWalkFile = new FemaleStandardWalk();
var _femaleStandardWalk = _FemaleStandardWalkFile.loadAnimation();
var _FemaleFlyingUpFile = new FemaleFlyingUp();
var _femaleFlyingUp = _FemaleFlyingUpFile.loadAnimation();
var _FemaleFlyingFile = new FemaleFlying();
var _femaleFlying = _FemaleFlyingFile.loadAnimation();
var _FemaleFlyingDownFile = new FemaleFlyingDown();
var _femaleFlyingDown = _FemaleFlyingDownFile.loadAnimation();
var _FemaleStandOneFile = new FemaleStandingOne();
var _femaleStandOne = _FemaleStandOneFile.loadAnimation();
var _FemaleSideStepLeftFile = new FemaleSideStepLeft();
var _femaleSideStepLeft = _FemaleSideStepLeftFile.loadAnimation();
var _FemaleSideStepRightFile = new FemaleSideStepRight();
var _femaleSideStepRight = _FemaleSideStepRightFile.loadAnimation();
var _MaleStandardWalkFile = new MaleStandardWalk(filter);
var _maleStandardWalk = _MaleStandardWalkFile.loadAnimation();
var _MaleFlyingUpFile = new MaleFlyingUp();
var _maleFlyingUp = _MaleFlyingUpFile.loadAnimation();
var _MaleFlyingFile = new MaleFlying();
var _maleFlying = _MaleFlyingFile.loadAnimation();
var _MaleFlyingDownFile = new MaleFlyingDown();
var _maleFlyingDown = _MaleFlyingDownFile.loadAnimation();
var _MaleStandOneFile = new MaleStandingOne();
var _maleStandOne = _MaleStandOneFile.loadAnimation();
var _MaleSideStepLeftFile = new MaleSideStepLeft();
var _maleSideStepLeft = _MaleSideStepLeftFile.loadAnimation();
var _MaleSideStepRightFile = new MaleSideStepRight();
var _maleSideStepRight = _MaleSideStepRightFile.loadAnimation();
return {
// expose the sound assets
footsteps: _footsteps,
// expose the animation assets
femaleStandardWalk: _femaleStandardWalk,
femaleFlyingUp: _femaleFlyingUp,
femaleFlying: _femaleFlying,
femaleFlyingDown: _femaleFlyingDown,
femaleStandOne: _femaleStandOne,
femaleSideStepLeft: _femaleSideStepLeft,
femaleSideStepRight: _femaleSideStepRight,
maleStandardWalk: _maleStandardWalk,
maleFlyingUp: _maleFlyingUp,
maleFlying: _maleFlying,
maleFlyingDown: _maleFlyingDown,
maleStandOne: _maleStandOne,
maleSideStepLeft: _maleSideStepLeft,
maleSideStepRight: _maleSideStepRight,
}
})();