//// handControllerMouse.js// examples/controllers//// Created by Brad Hefta-Gaub on 2015/12/15// Copyright 2015 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//var DEBUGGING = false;var angularVelocityTrailingAverage = 0.0; // Global trailing average used to decide whether to move reticle at allvar lastX = 0;var lastY = 0;Math.clamp=function(a,b,c) { return Math.max(b,Math.min(c,a));}function length(posA, posB) { var dx = posA.x - posB.x; var dy = posA.y - posB.y; var length = Math.sqrt((dx*dx) + (dy*dy)) return length;}function moveReticleAbsolute(x, y) { var globalPos = Reticle.getPosition(); globalPos.x = x; globalPos.y = y; Reticle.setPosition(globalPos);}var MAPPING_NAME = "com.highfidelity.testing.reticleWithHandRotation";var mapping = Controller.newMapping(MAPPING_NAME);if (Controller.Hardware.Hydra !== undefined) { mapping.from(Controller.Hardware.Hydra.L3).peek().to(Controller.Actions.ReticleClick); mapping.from(Controller.Hardware.Hydra.R4).peek().to(Controller.Actions.ReticleClick);}if (Controller.Hardware.Vive !== undefined) { mapping.from(Controller.Hardware.Vive.LeftPrimaryThumb).peek().to(Controller.Actions.ReticleClick); mapping.from(Controller.Hardware.Vive.RightPrimaryThumb).peek().to(Controller.Actions.ReticleClick);}mapping.enable();function debugPrint(message) { if (DEBUGGING) { print(message); }}var leftRightBias = 0.0;var filteredRotatedLeft = Vec3.UNIT_NEG_Y;var filteredRotatedRight = Vec3.UNIT_NEG_Y;var lastAlpha = 0;Script.update.connect(function(deltaTime) { // avatar frame var poseRight = Controller.getPoseValue(Controller.Standard.RightHand); var poseLeft = Controller.getPoseValue(Controller.Standard.LeftHand); // NOTE: hack for now var screenSize = Reticle.maximumPosition; var screenSizeX = screenSize.x; var screenSizeY = screenSize.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. if (deltaTime > 0.001) { // leftRightBias is a running average of the difference in angular hand speed. // a positive leftRightBias indicates the right hand is spinning faster then the left hand. // a negative leftRightBias indicates the left hand is spnning faster. var BIAS_ADJUST_PERIOD = 1.0; var tau = Math.clamp(deltaTime / BIAS_ADJUST_PERIOD, 0, 1); newLeftRightBias = Vec3.length(poseRight.angularVelocity) - Vec3.length(poseLeft.angularVelocity); leftRightBias = (1 - tau) * leftRightBias + tau * newLeftRightBias; } // add a bit of hysteresis to prevent control flopping back and forth // between hands when they are both mostly stationary. var alpha; var HYSTERESIS_OFFSET = 0.25; if (lastAlpha > 0.5) { // prefer right hand over left alpha = leftRightBias > -HYSTERESIS_OFFSET ? 1 : 0; } else { alpha = leftRightBias > HYSTERESIS_OFFSET ? 1 : 0; } lastAlpha = alpha; // Velocity filter the hand rotation used to position reticle so that it is easier to target small things with the hand controllers var VELOCITY_FILTER_GAIN = 0.5; filteredRotatedLeft = Vec3.mix(filteredRotatedLeft, rotatedLeft, Math.clamp(Vec3.length(poseLeft.angularVelocity) * VELOCITY_FILTER_GAIN, 0.0, 1.0)); filteredRotatedRight = Vec3.mix(filteredRotatedRight, rotatedRight, Math.clamp(Vec3.length(poseRight.angularVelocity) * VELOCITY_FILTER_GAIN, 0.0, 1.0)); var rotated = Vec3.mix(filteredRotatedLeft, filteredRotatedRight, alpha); var absolutePitch = rotated.y; // from 1 down to -1 up ... but note: if you rotate down "too far" it starts to go up again... var absoluteYaw = -rotated.x; // from -1 left to 1 right var x = Math.clamp(screenSizeX * (absoluteYaw + 0.5), 0, screenSizeX); var y = Math.clamp(screenSizeX * absolutePitch, 0, screenSizeY); // 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 - alpha) + Vec3.length(poseRight.angularVelocity) * alpha; angularVelocityTrailingAverage = angularVelocityTrailingAverage * AVERAGING_INTERVAL + angularVelocityMagnitude * (1.0 - AVERAGING_INTERVAL); if ((angularVelocityTrailingAverage > MINIMUM_CONTROLLER_ANGULAR_VELOCITY) && ((x != lastX) || (y != lastY))) { moveReticleAbsolute(x, y); lastX = x; lastY = y; }});Script.scriptEnding.connect(function(){ mapping.disable();});
//
// handControllerMouse.js
// examples/controllers
//
// Created by Brad Hefta-Gaub on 2015/12/15
// Copyright 2015 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
//
var DEBUGGING = false;
var angularVelocityTrailingAverage = 0.0; // Global trailing average used to decide whether to move reticle at all
var lastX = 0;
var lastY = 0;
Math.clamp=function(a,b,c) {
return Math.max(b,Math.min(c,a));
}
function length(posA, posB) {
var dx = posA.x - posB.x;
var dy = posA.y - posB.y;
var length = Math.sqrt((dx*dx) + (dy*dy))
return length;
}
function moveReticleAbsolute(x, y) {
var globalPos = Reticle.getPosition();
globalPos.x = x;
globalPos.y = y;
Reticle.setPosition(globalPos);
}
var MAPPING_NAME = "com.highfidelity.testing.reticleWithHandRotation";
var mapping = Controller.newMapping(MAPPING_NAME);
if (Controller.Hardware.Hydra !== undefined) {
mapping.from(Controller.Hardware.Hydra.L3).peek().to(Controller.Actions.ReticleClick);
mapping.from(Controller.Hardware.Hydra.R4).peek().to(Controller.Actions.ReticleClick);
}
if (Controller.Hardware.Vive !== undefined) {
mapping.from(Controller.Hardware.Vive.LeftPrimaryThumb).peek().to(Controller.Actions.ReticleClick);
mapping.from(Controller.Hardware.Vive.RightPrimaryThumb).peek().to(Controller.Actions.ReticleClick);
}
mapping.enable();
function debugPrint(message) {
if (DEBUGGING) {
print(message);
}
}
var leftRightBias = 0.0;
var filteredRotatedLeft = Vec3.UNIT_NEG_Y;
var filteredRotatedRight = Vec3.UNIT_NEG_Y;
var lastAlpha = 0;
Script.update.connect(function(deltaTime) {
// avatar frame
var poseRight = Controller.getPoseValue(Controller.Standard.RightHand);
var poseLeft = Controller.getPoseValue(Controller.Standard.LeftHand);
// NOTE: hack for now
var screenSize = Reticle.maximumPosition;
var screenSizeX = screenSize.x;
var screenSizeY = screenSize.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.
if (deltaTime > 0.001) {
// leftRightBias is a running average of the difference in angular hand speed.
// a positive leftRightBias indicates the right hand is spinning faster then the left hand.
// a negative leftRightBias indicates the left hand is spnning faster.
var BIAS_ADJUST_PERIOD = 1.0;
var tau = Math.clamp(deltaTime / BIAS_ADJUST_PERIOD, 0, 1);
newLeftRightBias = Vec3.length(poseRight.angularVelocity) - Vec3.length(poseLeft.angularVelocity);
leftRightBias = (1 - tau) * leftRightBias + tau * newLeftRightBias;
}
// add a bit of hysteresis to prevent control flopping back and forth
// between hands when they are both mostly stationary.
var alpha;
var HYSTERESIS_OFFSET = 0.25;
if (lastAlpha > 0.5) {
// prefer right hand over left
alpha = leftRightBias > -HYSTERESIS_OFFSET ? 1 : 0;
} else {
alpha = leftRightBias > HYSTERESIS_OFFSET ? 1 : 0;
}
lastAlpha = alpha;
// Velocity filter the hand rotation used to position reticle so that it is easier to target small things with the hand controllers
var VELOCITY_FILTER_GAIN = 0.5;
filteredRotatedLeft = Vec3.mix(filteredRotatedLeft, rotatedLeft, Math.clamp(Vec3.length(poseLeft.angularVelocity) * VELOCITY_FILTER_GAIN, 0.0, 1.0));
filteredRotatedRight = Vec3.mix(filteredRotatedRight, rotatedRight, Math.clamp(Vec3.length(poseRight.angularVelocity) * VELOCITY_FILTER_GAIN, 0.0, 1.0));
var rotated = Vec3.mix(filteredRotatedLeft, filteredRotatedRight, alpha);
var absolutePitch = rotated.y; // from 1 down to -1 up ... but note: if you rotate down "too far" it starts to go up again...
var absoluteYaw = -rotated.x; // from -1 left to 1 right
var x = Math.clamp(screenSizeX * (absoluteYaw + 0.5), 0, screenSizeX);
var y = Math.clamp(screenSizeX * absolutePitch, 0, screenSizeY);
// 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 - alpha) + Vec3.length(poseRight.angularVelocity) * alpha;
angularVelocityTrailingAverage = angularVelocityTrailingAverage * AVERAGING_INTERVAL + angularVelocityMagnitude * (1.0 - AVERAGING_INTERVAL);
if ((angularVelocityTrailingAverage > MINIMUM_CONTROLLER_ANGULAR_VELOCITY) && ((x != lastX) || (y != lastY))) {
moveReticleAbsolute(x, y);
lastX = x;
lastY = y;
}
});
Script.scriptEnding.connect(function(){
mapping.disable();
});