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handControlledHead.js added

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AlessandroSigna 2015-11-10 17:18:34 -08:00
parent 726d111827
commit f40e46957b
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examples/example/avatarcontrol/handControlledHead.js Normal file
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// handControlledHead.js
//This script allows you to look around, driving the rotation of the avatar's head by the right hand orientation.
const YAW_MULTIPLIER = 20000;
const PITCH_MULTIPLIER = 15000;
const EPSILON = 0.001;
var firstPress = true;
var handPreviousVerticalRotation = 0.0;
var handCurrentVerticalRotation = 0.0;
var handPreviousHorizontalRotation = 0.0;
var handCurrentHorizontalRotation = 0.0;
var rotatedHandPosition;
var rotatedTipPosition;
function update(deltaTime) {
if(Controller.getValue(Controller.Standard.RightPrimaryThumb)){
pitchManager(deltaTime);
}else if(!firstPress){
firstPress = true;
}
if(firstPress && MyAvatar.headYaw){
MyAvatar.headYaw -= MyAvatar.headYaw/10;
}
}
function pitchManager(deltaTime){
rotatedHandPosition = Vec3.multiplyQbyV(Quat.fromPitchYawRollDegrees(0, -MyAvatar.bodyYaw, 0), MyAvatar.getRightHandPosition());
rotatedTipPosition = Vec3.multiplyQbyV(Quat.fromPitchYawRollDegrees(0, -MyAvatar.bodyYaw, 0), MyAvatar.getRightHandTipPosition());
handCurrentVerticalRotation = Vec3.subtract(rotatedTipPosition, rotatedHandPosition).y;
handCurrentHorizontalRotation = Vec3.subtract(rotatedTipPosition, rotatedHandPosition).x;
var handCurrentHorizontalRotationFiltered = handCurrentHorizontalRotation;
//to avoid yaw drift
if((handCurrentHorizontalRotation - handPreviousHorizontalRotation) < EPSILON && (handCurrentHorizontalRotation - handPreviousHorizontalRotation) > -EPSILON){
handCurrentHorizontalRotationFiltered = handPreviousHorizontalRotation;
}
if(firstPress){
handPreviousVerticalRotation = handCurrentVerticalRotation;
handPreviousHorizontalRotation = handCurrentHorizontalRotation;
firstPress = false;
}
MyAvatar.headPitch += (handCurrentVerticalRotation - handPreviousVerticalRotation)*PITCH_MULTIPLIER*deltaTime;
MyAvatar.headYaw -= (handCurrentHorizontalRotationFiltered - handPreviousHorizontalRotation)*YAW_MULTIPLIER*deltaTime;
handPreviousVerticalRotation = handCurrentVerticalRotation;
handPreviousHorizontalRotation = handCurrentHorizontalRotationFiltered;
}
function clean(){
MyAvatar.headYaw = 0.0;
}
Script.update.connect(update);
Script.scriptEnding.connect(clean);