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handControllerMouse.js: transform hand controllers into sensor frame

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This commit is contained in:
Anthony J. Thibault 2016-03-07 18:42:52 -08:00
parent 3d71226f72
commit 26b4c904f3
1 changed files with 10 additions and 10 deletions
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20
examples/controllers/handControllerMouse.js
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@ -10,9 +10,9 @@
//
var DEBUGGING = false;
var angularVelocityTrailingAverage = 0.0; // Global trailing average used to decide whether to move reticle at all
var angularVelocityTrailingAverage = 0.0; // Global trailing average used to decide whether to move reticle at all
var lastX = 0;
var lastY = 0;
var lastY = 0;
Math.clamp=function(a,b,c) {
return Math.max(b,Math.min(c,a));
@ -57,6 +57,7 @@ var filteredRotatedRight = Vec3.UNIT_NEG_Y;
Script.update.connect(function(deltaTime) {
// avatar frame
var poseRight = Controller.getPoseValue(Controller.Standard.RightHand);
var poseLeft = Controller.getPoseValue(Controller.Standard.LeftHand);
@ -65,15 +66,16 @@ Script.update.connect(function(deltaTime) {
var screenSizeX = screenSize.x;
var screenSizeY = screenSize.y;
var rotatedRight = Vec3.multiplyQbyV(poseRight.rotation, Vec3.UNIT_NEG_Y);
var rotatedLeft = Vec3.multiplyQbyV(poseLeft.rotation, Vec3.UNIT_NEG_Y);
// transform hand facing vectors from avatar frame into sensor frame.
var worldToSensorMatrix = Mat4.inverse(MyAvatar.sensorToWorldMatrix);
var rotatedRight = Mat4.transformVector(worldToSensorMatrix, Vec3.multiplyQbyV(MyAvatar.orientation, Vec3.multiplyQbyV(poseRight.rotation, Vec3.UNIT_NEG_Y)));
var rotatedLeft = Mat4.transformVector(worldToSensorMatrix, Vec3.multiplyQbyV(MyAvatar.orientation, Vec3.multiplyQbyV(poseLeft.rotation, Vec3.UNIT_NEG_Y)));
lastRotatedRight = rotatedRight;
// Decide which hand should be controlling the pointer
// by comparing which one is moving more, and by
// tending to stay with the one moving more.
// by comparing which one is moving more, and by
// tending to stay with the one moving more.
var BIAS_ADJUST_RATE = 0.5;
var BIAS_ADJUST_DEADZONE = 0.05;
leftRightBias += (Vec3.length(poseRight.angularVelocity) - Vec3.length(poseLeft.angularVelocity)) * BIAS_ADJUST_RATE;
@ -105,7 +107,7 @@ Script.update.connect(function(deltaTime) {
// don't move the reticle with the hand controllers unless the controllers are actually being moved
// take a time average of angular velocity, and don't move mouse at all if it's below threshold
var AVERAGING_INTERVAL = 0.95;
var MINIMUM_CONTROLLER_ANGULAR_VELOCITY = 0.03;
var angularVelocityMagnitude = Vec3.length(poseLeft.angularVelocity) * (1.0 - leftRightBias) + Vec3.length(poseRight.angularVelocity) * leftRightBias;
@ -121,5 +123,3 @@ Script.update.connect(function(deltaTime) {
Script.scriptEnding.connect(function(){
mapping.disable();
});