//
// scripts/system/libraries/handTouch.js
//
// Created by Luis Cuenca on 12/29/17
// Copyright 2017 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
//
/* jslint bitwise: true */
/* global Script, Overlays, Controller, Vec3, MyAvatar, Entities
*/
(function () {
var handTouchEnabled = true;
var MSECONDS_AFTER_LOAD = 2000;
var updateFingerWithIndex = 0;
var untouchableEntities = [];
// Keys to access finger data
var fingerKeys = ["pinky", "ring", "middle", "index", "thumb"];
// Additionally close the hands to achieve a grabbing effect
var grabPercent = { left: 0, right: 0 };
var Palm = function() {
this.position = {x: 0, y: 0, z: 0};
this.perpendicular = {x: 0, y: 0, z: 0};
this.distance = 0;
this.fingers = {
pinky: {x: 0, y: 0, z: 0},
middle: {x: 0, y: 0, z: 0},
ring: {x: 0, y: 0, z: 0},
thumb: {x: 0, y: 0, z: 0},
index: {x: 0, y: 0, z: 0}
};
this.set = false;
};
var palmData = {
left: new Palm(),
right: new Palm()
};
var handJointNames = {left: "LeftHand", right: "RightHand"};
// Store which fingers are touching - if all false restate the default poses
var isTouching = {
left: {
pinky: false,
middle: false,
ring: false,
thumb: false,
index: false
}, right: {
pinky: false,
middle: false,
ring: false,
thumb: false,
index: false
}
};
// frame count for transition to default pose
var countToDefault = {
left: 0,
right: 0
};
// joint data for open pose
var dataOpen = {
left: {
pinky: [
{x: -0.0066, y: -0.0224, z: -0.2174, w: 0.9758},
{x: 0.0112, y: 0.0001, z: 0.0093, w: 0.9999},
{x: -0.0346, y: 0.0003, z: -0.0073, w: 0.9994}
],
ring: [
{x: -0.0029, y: -0.0094, z: -0.1413, w: 0.9899},
{x: 0.0112, y: 0.0001, z: 0.0059, w: 0.9999},
{x: -0.0346, y: 0.0002, z: -0.006, w: 0.9994}
],
middle: [
{x: -0.0016, y: 0, z: -0.0286, w: 0.9996},
{x: 0.0112, y: -0.0001, z: -0.0063, w: 0.9999},
{x: -0.0346, y: -0.0003, z: 0.0073, w: 0.9994}
],
index: [
{x: -0.0016, y: 0.0001, z: 0.0199, w: 0.9998},
{x: 0.0112, y: 0, z: 0.0081, w: 0.9999},
{x: -0.0346, y: 0.0008, z: -0.023, w: 0.9991}
],
thumb: [
{x: 0.0354, y: 0.0363, z: 0.3275, w: 0.9435},
{x: -0.0945, y: 0.0938, z: 0.0995, w: 0.9861},
{x: -0.0952, y: 0.0718, z: 0.1382, w: 0.9832}
]
}, right: {
pinky: [
{x: -0.0034, y: 0.023, z: 0.1051, w: 0.9942},
{x: 0.0106, y: -0.0001, z: -0.0091, w: 0.9999},
{x: -0.0346, y: -0.0003, z: 0.0075, w: 0.9994}
],
ring: [
{x: -0.0013, y: 0.0097, z: 0.0311, w: 0.9995},
{x: 0.0106, y: -0.0001, z: -0.0056, w: 0.9999},
{x: -0.0346, y: -0.0002, z: 0.0061, w: 0.9994}
],
middle: [
{x: -0.001, y: 0, z: 0.0285, w: 0.9996},
{x: 0.0106, y: 0.0001, z: 0.0062, w: 0.9999},
{x: -0.0346, y: 0.0003, z: -0.0074, w: 0.9994}
],
index: [
{x: -0.001, y: 0, z: -0.0199, w: 0.9998},
{x: 0.0106, y: -0.0001, z: -0.0079, w: 0.9999},
{x: -0.0346, y: -0.0008, z: 0.0229, w: 0.9991}
],
thumb: [
{x: 0.0355, y: -0.0363, z: -0.3263, w: 0.9439},
{x: -0.0946, y: -0.0938, z: -0.0996, w: 0.9861},
{x: -0.0952, y: -0.0719, z: -0.1376, w: 0.9833}
]
}
};
// joint data for close pose
var dataClose = {
left: {
pinky: [
{x: 0.5878, y: -0.1735, z: -0.1123, w: 0.7821},
{x: 0.5704, y: 0.0053, z: 0.0076, w: 0.8213},
{x: 0.6069, y: -0.0044, z: -0.0058, w: 0.7947}
],
ring: [
{x: 0.5761, y: -0.0989, z: -0.1025, w: 0.8048},
{x: 0.5332, y: 0.0032, z: 0.005, w: 0.846},
{x: 0.5773, y: -0.0035, z: -0.0049, w: 0.8165}
],
middle: [
{x: 0.543, y: -0.0469, z: -0.0333, w: 0.8378},
{x: 0.5419, y: -0.0034, z: -0.0053, w: 0.8404},
{x: 0.5015, y: 0.0037, z: 0.0063, w: 0.8651}
],
index: [
{x: 0.3051, y: -0.0156, z: -0.014, w: 0.9521},
{x: 0.6414, y: 0.0051, z: 0.0063, w: 0.7671},
{x: 0.5646, y: -0.013, z: -0.019, w: 0.8251}
],
thumb: [
{x: 0.313, y: -0.0348, z: 0.3192, w: 0.8938},
{x: 0, y: 0, z: -0.37, w: 0.929},
{x: 0, y: 0, z: -0.2604, w: 0.9655}
]
}, right: {
pinky: [
{x: 0.5881, y: 0.1728, z: 0.1114, w: 0.7823},
{x: 0.5704, y: -0.0052, z: -0.0075, w: 0.8213},
{x: 0.6069, y: 0.0046, z: 0.006, w: 0.7947}
],
ring: [
{x: 0.5729, y: 0.1181, z: 0.0898, w: 0.8061},
{x: 0.5332, y: -0.003, z: -0.0048, w: 0.846},
{x: 0.5773, y: 0.0035, z: 0.005, w: 0.8165}
],
middle: [
{x: 0.543, y: 0.0468, z: 0.0332, w: 0.8378},
{x: 0.5419, y: 0.0034, z: 0.0052, w: 0.8404},
{x: 0.5047, y: -0.0037, z: -0.0064, w: 0.8632}
],
index: [
{x: 0.306, y: -0.0076, z: -0.0584, w: 0.9502},
{x: 0.6409, y: -0.005, z: -0.006, w: 0.7675},
{x: 0.5646, y: 0.0129, z: 0.0189, w: 0.8251}
],
thumb: [
{x: 0.313, y: 0.0352, z: -0.3181, w: 0.8942},
{x: 0, y: 0, z: 0.3698, w: 0.9291},
{x: 0, y: 0, z: 0.2609, w: 0.9654}
]
}
};
// snapshot for the default pose
var dataDefault = {
left: {
pinky: [{x: 0, y: 0, z: 0, w: 0},{x: 0, y: 0, z: 0, w: 0},{x: 0, y: 0, z: 0, w: 0}],
middle: [{x: 0, y: 0, z: 0, w: 0},{x: 0, y: 0, z: 0, w: 0},{x: 0, y: 0, z: 0, w: 0}],
ring: [{x: 0, y: 0, z: 0, w: 0},{x: 0, y: 0, z: 0, w: 0},{x: 0, y: 0, z: 0, w: 0}],
thumb: [{x: 0, y: 0, z: 0, w: 0},{x: 0, y: 0, z: 0, w: 0},{x: 0, y: 0, z: 0, w: 0}],
index: [{x: 0, y: 0, z: 0, w: 0},{x: 0, y: 0, z: 0, w: 0},{x: 0, y: 0, z: 0, w: 0}],
set: false
},
right: {
pinky: [{x: 0, y: 0, z: 0, w: 0},{x: 0, y: 0, z: 0, w: 0},{x: 0, y: 0, z: 0, w: 0}],
middle: [{x: 0, y: 0, z: 0, w: 0},{x: 0, y: 0, z: 0, w: 0},{x: 0, y: 0, z: 0, w: 0}],
ring: [{x: 0, y: 0, z: 0, w: 0},{x: 0, y: 0, z: 0, w: 0},{x: 0, y: 0, z: 0, w: 0}],
thumb: [{x: 0, y: 0, z: 0, w: 0},{x: 0, y: 0, z: 0, w: 0},{x: 0, y: 0, z: 0, w: 0}],
index: [{x: 0, y: 0, z: 0, w: 0},{x: 0, y: 0, z: 0, w: 0},{x: 0, y: 0, z: 0, w: 0}],
set: false
}
};
// joint data for the current frame
var dataCurrent = {
left: {
pinky: [{x: 0, y: 0, z: 0, w: 0},{x: 0, y: 0, z: 0, w: 0},{x: 0, y: 0, z: 0, w: 0}],
middle: [{x: 0, y: 0, z: 0, w: 0},{x: 0, y: 0, z: 0, w: 0},{x: 0, y: 0, z: 0, w: 0}],
ring: [{x: 0, y: 0, z: 0, w: 0},{x: 0, y: 0, z: 0, w: 0},{x: 0, y: 0, z: 0, w: 0}],
thumb: [{x: 0, y: 0, z: 0, w: 0},{x: 0, y: 0, z: 0, w: 0},{x: 0, y: 0, z: 0, w: 0}],
index: [{x: 0, y: 0, z: 0, w: 0},{x: 0, y: 0, z: 0, w: 0},{x: 0, y: 0, z: 0, w: 0}]
},
right: {
pinky: [{x: 0, y: 0, z: 0, w: 0},{x: 0, y: 0, z: 0, w: 0},{x: 0, y: 0, z: 0, w: 0}],
middle: [{x: 0, y: 0, z: 0, w: 0},{x: 0, y: 0, z: 0, w: 0},{x: 0, y: 0, z: 0, w: 0}],
ring: [{x: 0, y: 0, z: 0, w: 0},{x: 0, y: 0, z: 0, w: 0},{x: 0, y: 0, z: 0, w: 0}],
thumb: [{x: 0, y: 0, z: 0, w: 0},{x: 0, y: 0, z: 0, w: 0},{x: 0, y: 0, z: 0, w: 0}],
index: [{x: 0, y: 0, z: 0, w: 0},{x: 0, y: 0, z: 0, w: 0},{x: 0, y: 0, z: 0, w: 0}]
}
};
// interpolated values on joint data to smooth movement
var dataDelta = {
left: {
pinky: [{x: 0, y: 0, z: 0, w: 0},{x: 0, y: 0, z: 0, w: 0},{x: 0, y: 0, z: 0, w: 0}],
middle: [{x: 0, y: 0, z: 0, w: 0},{x: 0, y: 0, z: 0, w: 0},{x: 0, y: 0, z: 0, w: 0}],
ring: [{x: 0, y: 0, z: 0, w: 0},{x: 0, y: 0, z: 0, w: 0},{x: 0, y: 0, z: 0, w: 0}],
thumb: [{x: 0, y: 0, z: 0, w: 0},{x: 0, y: 0, z: 0, w: 0},{x: 0, y: 0, z: 0, w: 0}],
index: [{x: 0, y: 0, z: 0, w: 0},{x: 0, y: 0, z: 0, w: 0},{x: 0, y: 0, z: 0, w: 0}]
},
right: {
pinky: [{x: 0, y: 0, z: 0, w: 0},{x: 0, y: 0, z: 0, w: 0},{x: 0, y: 0, z: 0, w: 0}],
middle: [{x: 0, y: 0, z: 0, w: 0},{x: 0, y: 0, z: 0, w: 0},{x: 0, y: 0, z: 0, w: 0}],
ring: [{x: 0, y: 0, z: 0, w: 0},{x: 0, y: 0, z: 0, w: 0},{x: 0, y: 0, z: 0, w: 0}],
thumb: [{x: 0, y: 0, z: 0, w: 0},{x: 0, y: 0, z: 0, w: 0},{x: 0, y: 0, z: 0, w: 0}],
index: [{x: 0, y: 0, z: 0, w: 0},{x: 0, y: 0, z: 0, w: 0},{x: 0, y: 0, z: 0, w: 0}]
}
};
// Acquire an updated value per hand every 5 frames when finger is touching (faster in)
var touchAnimationSteps = 5;
// Acquire an updated value per hand every 20 frames when finger is returning to default position (slower out)
var defaultAnimationSteps = 10;
// Debugging info
var showSphere = false;
var showLines = false;
// This get setup on creation
var linesCreated = false;
var sphereCreated = false;
// Register object with API Debugger
var varsToDebug = {
scriptLoaded: false,
toggleDebugSphere: function() {
showSphere = !showSphere;
if (showSphere && !sphereCreated) {
createDebugSphere();
sphereCreated = true;
}
},
toggleDebugLines: function() {
showLines = !showLines;
if (showLines && !linesCreated) {
createDebugLines();
linesCreated = true;
}
},
fingerPercent: {
left: {
pinky: 0.38,
middle: 0.38,
ring: 0.38,
thumb: 0.38,
index: 0.38
} ,
right: {
pinky: 0.38,
middle: 0.38,
ring: 0.38,
thumb: 0.38,
index: 0.38
}
},
triggerValues: {
leftTriggerValue: 0,
leftTriggerClicked: 0,
rightTriggerValue: 0,
rightTriggerClicked: 0,
leftSecondaryValue: 0,
rightSecondaryValue: 0
},
palmData: {
left: new Palm(),
right: new Palm()
},
offset: {x: 0, y: 0, z: 0},
avatarLoaded: false
};
// Add/Subtract the joint data - per finger joint
function addVals(val1, val2, sign) {
var val = [];
if (val1.length !== val2.length) {
return;
}
for (var i = 0; i < val1.length; i++) {
val.push({x: 0, y: 0, z: 0, w: 0});
val[i].x = val1[i].x + sign*val2[i].x;
val[i].y = val1[i].y + sign*val2[i].y;
val[i].z = val1[i].z + sign*val2[i].z;
val[i].w = val1[i].w + sign*val2[i].w;
}
return val;
}
// Multiply/Divide the joint data - per finger joint
function multiplyValsBy(val1, num) {
var val = [];
for (var i = 0; i < val1.length; i++) {
val.push({x: 0, y: 0, z: 0, w: 0});
val[i].x = val1[i].x * num;
val[i].y = val1[i].y * num;
val[i].z = val1[i].z * num;
val[i].w = val1[i].w * num;
}
return val;
}
// Calculate the finger lengths by adding its joint lengths
function getJointDistances(jointNamesArray) {
var result = {distances: [], totalDistance: 0};
for (var i = 1; i < jointNamesArray.length; i++) {
var index0 = MyAvatar.getJointIndex(jointNamesArray[i-1]);
var index1 = MyAvatar.getJointIndex(jointNamesArray[i]);
var pos0 = MyAvatar.getJointPosition(index0);
var pos1 = MyAvatar.getJointPosition(index1);
var distance = Vec3.distance(pos0, pos1);
result.distances.push(distance);
result.totalDistance += distance;
}
return result;
}
function dataRelativeToWorld(side, dataIn, dataOut) {
var handJoint = handJointNames[side];
var jointIndex = MyAvatar.getJointIndex(handJoint);
var worldPosHand = MyAvatar.jointToWorldPoint({x: 0, y: 0, z: 0}, jointIndex);
dataOut.position = MyAvatar.jointToWorldPoint(dataIn.position, jointIndex);
var localPerpendicular = side === "right" ? {x: 0.2, y: 0, z: 1} : {x: -0.2, y: 0, z: 1};
dataOut.perpendicular = Vec3.normalize(
Vec3.subtract(MyAvatar.jointToWorldPoint(localPerpendicular, jointIndex), worldPosHand)
);
dataOut.distance = dataIn.distance;
for (var i = 0; i < fingerKeys.length; i++) {
var finger = fingerKeys[i];
dataOut.fingers[finger] = MyAvatar.jointToWorldPoint(dataIn.fingers[finger], jointIndex);
}
}
function dataRelativeToHandJoint(side, dataIn, dataOut) {
var handJoint = handJointNames[side];
var jointIndex = MyAvatar.getJointIndex(handJoint);
var worldPosHand = MyAvatar.jointToWorldPoint({x: 0, y: 0, z: 0}, jointIndex);
dataOut.position = MyAvatar.worldToJointPoint(dataIn.position, jointIndex);
dataOut.perpendicular = MyAvatar.worldToJointPoint(Vec3.sum(worldPosHand, dataIn.perpendicular), jointIndex);
dataOut.distance = dataIn.distance;
for (var i = 0; i < fingerKeys.length; i++) {
var finger = fingerKeys[i];
dataOut.fingers[finger] = MyAvatar.worldToJointPoint(dataIn.fingers[finger], jointIndex);
}
}
// Calculate touch field; Sphere at the center of the palm,
// perpendicular vector from the palm plane and origin of the the finger rays
function estimatePalmData(side) {
// Return data object
var data = new Palm();
var jointOffset = { x: 0, y: 0, z: 0 };
var upperSide = side[0].toUpperCase() + side.substring(1);
var jointIndexHand = MyAvatar.getJointIndex(upperSide + "Hand");
// Store position of the hand joint
var worldPosHand = MyAvatar.jointToWorldPoint(jointOffset, jointIndexHand);
var minusWorldPosHand = {x: -worldPosHand.x, y: -worldPosHand.y, z: -worldPosHand.z};
// Data for finger rays
var directions = {pinky: undefined, middle: undefined, ring: undefined, thumb: undefined, index: undefined};
var positions = {pinky: undefined, middle: undefined, ring: undefined, thumb: undefined, index: undefined};
var thumbLength = 0;
var weightCount = 0;
// Calculate palm center
var handJointWeight = 1;
var fingerJointWeight = 2;
var palmCenter = {x: 0, y: 0, z: 0};
palmCenter = Vec3.sum(worldPosHand, palmCenter);
weightCount += handJointWeight;
for (var i = 0; i < fingerKeys.length; i++) {
var finger = fingerKeys[i];
var jointSuffixes = 4; // Get 4 joint names with suffix numbers (0, 1, 2, 3)
var jointNames = getJointNames(side, finger, jointSuffixes);
var fingerLength = getJointDistances(jointNames).totalDistance;
var jointIndex = MyAvatar.getJointIndex(jointNames[0]);
positions[finger] = MyAvatar.jointToWorldPoint(jointOffset, jointIndex);
directions[finger] = Vec3.normalize(Vec3.sum(positions[finger], minusWorldPosHand));
data.fingers[finger] = Vec3.sum(positions[finger], Vec3.multiply(fingerLength, directions[finger]));
if (finger !== "thumb") {
// finger joints have double the weight than the hand joint
// This would better position the palm estimation
palmCenter = Vec3.sum(Vec3.multiply(fingerJointWeight, positions[finger]), palmCenter);
weightCount += fingerJointWeight;
} else {
thumbLength = fingerLength;
}
}
// perpendicular change direction depending on the side
data.perpendicular = (side === "right") ?
Vec3.normalize(Vec3.cross(directions.index, directions.pinky)):
Vec3.normalize(Vec3.cross(directions.pinky, directions.index));
data.position = Vec3.multiply(1.0/weightCount, palmCenter);
if (side === "right") {
varsToDebug.offset = MyAvatar.worldToJointPoint(worldPosHand, jointIndexHand);
}
var palmDistanceMultiplier = 1.55; // 1.55 based on test/error for the sphere radius that best fits the hand
data.distance = palmDistanceMultiplier*Vec3.distance(data.position, positions.index);
// move back thumb ray origin
var thumbBackMultiplier = 0.2;
data.fingers.thumb = Vec3.sum(
data.fingers.thumb, Vec3.multiply( -thumbBackMultiplier * thumbLength, data.perpendicular));
// return getDataRelativeToHandJoint(side, data);
dataRelativeToHandJoint(side, data, palmData[side]);
palmData[side].set = true;
}
// Register GlobalDebugger for API Debugger
Script.registerValue("GlobalDebugger", varsToDebug);
// store the rays for the fingers - only for debug purposes
var fingerRays = {
left: {
pinky: undefined,
middle: undefined,
ring: undefined,
thumb: undefined,
index: undefined
},
right: {
pinky: undefined,
middle: undefined,
ring: undefined,
thumb: undefined,
index: undefined
}
};
// Create debug overlays - finger rays + palm rays + spheres
var palmRay, sphereHand;
function createDebugLines() {
for (var i = 0; i < fingerKeys.length; i++) {
fingerRays.left[fingerKeys[i]] = Overlays.addOverlay("line3d", {
color: { red: 0, green: 0, blue: 255 },
start: { x: 0, y: 0, z: 0 },
end: { x: 0, y: 1, z: 0 },
visible: showLines
});
fingerRays.right[fingerKeys[i]] = Overlays.addOverlay("line3d", {
color: { red: 0, green: 0, blue: 255 },
start: { x: 0, y: 0, z: 0 },
end: { x: 0, y: 1, z: 0 },
visible: showLines
});
}
palmRay = {
left: Overlays.addOverlay("line3d", {
color: { red: 255, green: 0, blue: 0 },
start: { x: 0, y: 0, z: 0 },
end: { x: 0, y: 1, z: 0 },
visible: showLines
}),
right: Overlays.addOverlay("line3d", {
color: { red: 255, green: 0, blue: 0 },
start: { x: 0, y: 0, z: 0 },
end: { x: 0, y: 1, z: 0 },
visible: showLines
})
};
linesCreated = true;
}
function createDebugSphere() {
sphereHand = {
right: Overlays.addOverlay("sphere", {
position: MyAvatar.position,
color: { red: 0, green: 255, blue: 0 },
scale: { x: 0.01, y: 0.01, z: 0.01 },
visible: showSphere
}),
left: Overlays.addOverlay("sphere", {
position: MyAvatar.position,
color: { red: 0, green: 255, blue: 0 },
scale: { x: 0.01, y: 0.01, z: 0.01 },
visible: showSphere
})
};
sphereCreated = true;
}
function acquireDefaultPose(side) {
for (var i = 0; i < fingerKeys.length; i++) {
var finger = fingerKeys[i];
var jointSuffixes = 3; // We need rotation of the 0, 1 and 2 joints
var names = getJointNames(side, finger, jointSuffixes);
for (var j = 0; j < names.length; j++) {
var index = MyAvatar.getJointIndex(names[j]);
var rotation = MyAvatar.getJointRotation(index);
dataDefault[side][finger][j] = dataCurrent[side][finger][j] = rotation;
}
}
dataDefault[side].set = true;
}
var rayPicks = {
left: {
pinky: undefined,
middle: undefined,
ring: undefined,
thumb: undefined,
index: undefined
},
right: {
pinky: undefined,
middle: undefined,
ring: undefined,
thumb: undefined,
index: undefined
}
};
var dataFailed = {
left: {
pinky: 0,
middle: 0,
ring: 0,
thumb: 0,
index: 0
},
right: {
pinky: 0,
middle: 0,
ring: 0,
thumb: 0,
index: 0
}
};
function clearRayPicks(side) {
for (var i = 0; i < fingerKeys.length; i++) {
var finger = fingerKeys[i];
if (rayPicks[side][finger] !== undefined) {
RayPick.removeRayPick(rayPicks[side][finger]);
rayPicks[side][finger] = undefined;
}
}
}
function createRayPicks(side) {
var data = palmData[side];
clearRayPicks(side);
for (var i = 0; i < fingerKeys.length; i++) {
var finger = fingerKeys[i];
var LOOKUP_DISTANCE_MULTIPLIER = 1.5;
var dist = LOOKUP_DISTANCE_MULTIPLIER*data.distance;
var checkOffset = {
x: data.perpendicular.x * dist,
y: data.perpendicular.y * dist,
z: data.perpendicular.z * dist
};
var checkPoint = Vec3.sum(data.position, Vec3.multiply(2, checkOffset));
var sensorToWorldScale = MyAvatar.getSensorToWorldScale();
var origin = data.fingers[finger];
var direction = Vec3.normalize(Vec3.subtract(checkPoint, origin));
origin = Vec3.multiply(1/sensorToWorldScale, origin);
rayPicks[side][finger] = RayPick.createRayPick(
{
"enabled": false,
"joint": handJointNames[side],
"posOffset": origin,
"dirOffset": direction,
"filter": RayPick.PICK_ENTITIES
}
);
RayPick.setPrecisionPicking(rayPicks[side][finger], true);
}
}
function activateNextRay(side, index) {
var nextIndex = (index < fingerKeys.length-1) ? index + 1 : 0;
for (var i = 0; i < fingerKeys.length; i++) {
var finger = fingerKeys[i];
if (i === nextIndex) {
RayPick.enableRayPick(rayPicks[side][finger]);
} else {
RayPick.disableRayPick(rayPicks[side][finger]);
}
}
}
function updateSphereHand(side) {
var data = new Palm();
dataRelativeToWorld(side, palmData[side], data);
varsToDebug.palmData[side] = palmData[side];
var palmPoint = data.position;
var LOOKUP_DISTANCE_MULTIPLIER = 1.5;
var dist = LOOKUP_DISTANCE_MULTIPLIER*data.distance;
// Situate the debugging overlays
var checkOffset = {
x: data.perpendicular.x * dist,
y: data.perpendicular.y * dist,
z: data.perpendicular.z * dist
};
var spherePos = Vec3.sum(palmPoint, checkOffset);
var checkPoint = Vec3.sum(palmPoint, Vec3.multiply(2, checkOffset));
if (showLines) {
Overlays.editOverlay(palmRay[side], {
start: palmPoint,
end: checkPoint,
visible: showLines
});
for (var i = 0; i < fingerKeys.length; i++) {
Overlays.editOverlay(fingerRays[side][fingerKeys[i]], {
start: data.fingers[fingerKeys[i]],
end: checkPoint,
visible: showLines
});
}
}
if (showSphere) {
Overlays.editOverlay(sphereHand[side], {
position: spherePos,
scale: {
x: 2*dist,
y: 2*dist,
z: 2*dist
},
visible: showSphere
});
}
// Update the intersection of only one finger at a time
var finger = fingerKeys[updateFingerWithIndex];
var nearbyEntities = Entities.findEntities(spherePos, dist);
// Filter the entities that are allowed to be touched
var touchableEntities = nearbyEntities.filter(function (id) {
return untouchableEntities.indexOf(id) == -1;
});
var intersection;
if (rayPicks[side][finger] !== undefined) {
intersection = RayPick.getPrevRayPickResult(rayPicks[side][finger]);
}
var animationSteps = defaultAnimationSteps;
var newFingerData = dataDefault[side][finger];
var isAbleToGrab = false;
if (touchableEntities.length > 0) {
RayPick.setIncludeItems(rayPicks[side][finger], touchableEntities);
if (intersection === undefined) {
return;
}
var percent = 0; // Initialize
isAbleToGrab = intersection.intersects && intersection.distance < LOOKUP_DISTANCE_MULTIPLIER*dist;
if (isAbleToGrab && !getTouching(side)) {
acquireDefaultPose(side); // take a snapshot of the default pose before touch starts
newFingerData = dataDefault[side][finger]; // assign default pose to finger data
}
// Store if this finger is touching something
isTouching[side][finger] = isAbleToGrab;
if (isAbleToGrab) {
// update the open/close percentage for this finger
var FINGER_REACT_MULTIPLIER = 2.8;
percent = intersection.distance/(FINGER_REACT_MULTIPLIER*dist);
var THUMB_FACTOR = 0.2;
var FINGER_FACTOR = 0.05;
// Amount of grab coefficient added to the fingers - thumb is higher
var grabMultiplier = finger === "thumb" ? THUMB_FACTOR : FINGER_FACTOR;
percent += grabMultiplier * grabPercent[side];
// Calculate new interpolation data
var totalDistance = addVals(dataClose[side][finger], dataOpen[side][finger], -1);
// Assign close/open ratio to finger to simulate touch
newFingerData = addVals(dataOpen[side][finger], multiplyValsBy(totalDistance, percent), 1);
animationSteps = touchAnimationSteps;
}
varsToDebug.fingerPercent[side][finger] = percent;
}
if (!isAbleToGrab) {
dataFailed[side][finger] = dataFailed[side][finger] === 0 ? 1 : 2;
} else {
dataFailed[side][finger] = 0;
}
// If it only fails once it will not update increments
if (dataFailed[side][finger] !== 1) {
// Calculate animation increments
dataDelta[side][finger] =
multiplyValsBy(addVals(newFingerData, dataCurrent[side][finger], -1), 1.0/animationSteps);
}
}
// Recreate the finger joint names
function getJointNames(side, finger, count) {
var names = [];
for (var i = 1; i < count+1; i++) {
var name = side[0].toUpperCase()+side.substring(1)+"Hand"+finger[0].toUpperCase()+finger.substring(1)+(i);
names.push(name);
}
return names;
}
// Capture the controller values
var leftTriggerPress = function (value) {
varsToDebug.triggerValues.leftTriggerValue = value;
// the value for the trigger increments the hand-close percentage
grabPercent.left = value;
};
var leftTriggerClick = function (value) {
varsToDebug.triggerValues.leftTriggerClicked = value;
};
var rightTriggerPress = function (value) {
varsToDebug.triggerValues.rightTriggerValue = value;
// the value for the trigger increments the hand-close percentage
grabPercent.right = value;
};
var rightTriggerClick = function (value) {
varsToDebug.triggerValues.rightTriggerClicked = value;
};
var leftSecondaryPress = function (value) {
varsToDebug.triggerValues.leftSecondaryValue = value;
};
var rightSecondaryPress = function (value) {
varsToDebug.triggerValues.rightSecondaryValue = value;
};
var MAPPING_NAME = "com.highfidelity.handTouch";
var mapping = Controller.newMapping(MAPPING_NAME);
mapping.from([Controller.Standard.RT]).peek().to(rightTriggerPress);
mapping.from([Controller.Standard.RTClick]).peek().to(rightTriggerClick);
mapping.from([Controller.Standard.LT]).peek().to(leftTriggerPress);
mapping.from([Controller.Standard.LTClick]).peek().to(leftTriggerClick);
mapping.from([Controller.Standard.RB]).peek().to(rightSecondaryPress);
mapping.from([Controller.Standard.LB]).peek().to(leftSecondaryPress);
mapping.from([Controller.Standard.LeftGrip]).peek().to(leftSecondaryPress);
mapping.from([Controller.Standard.RightGrip]).peek().to(rightSecondaryPress);
Controller.enableMapping(MAPPING_NAME);
if (showLines && !linesCreated) {
createDebugLines();
linesCreated = true;
}
if (showSphere && !sphereCreated) {
createDebugSphere();
sphereCreated = true;
}
function getTouching(side) {
var animating = false;
for (var i = 0; i < fingerKeys.length; i++) {
var finger = fingerKeys[i];
animating = animating || isTouching[side][finger];
}
return animating; // return false only if none of the fingers are touching
}
function reEstimatePalmData() {
["right", "left"].forEach(function(side) {
estimatePalmData(side);
});
}
function recreateRayPicks() {
["right", "left"].forEach(function(side) {
createRayPicks(side);
});
}
function cleanUp() {
["right", "left"].forEach(function (side) {
if (linesCreated) {
Overlays.deleteOverlay(palmRay[side]);
}
if (sphereCreated) {
Overlays.deleteOverlay(sphereHand[side]);
}
clearRayPicks(side);
for (var i = 0; i < fingerKeys.length; i++) {
var finger = fingerKeys[i];
var jointSuffixes = 3; // We need to clear the joints 0, 1 and 2 joints
var names = getJointNames(side, finger, jointSuffixes);
for (var j = 0; j < names.length; j++) {
var index = MyAvatar.getJointIndex(names[j]);
MyAvatar.clearJointData(index);
}
if (linesCreated) {
Overlays.deleteOverlay(fingerRays[side][finger]);
}
}
});
}
MyAvatar.shouldDisableHandTouchChanged.connect(function (shouldDisable) {
if (shouldDisable) {
if (handTouchEnabled) {
cleanUp();
}
} else {
if (!handTouchEnabled) {
reEstimatePalmData();
recreateRayPicks();
}
}
handTouchEnabled = !shouldDisable;
});
MyAvatar.disableHandTouchForIDChanged.connect(function (entityID, disable) {
var entityIndex = untouchableEntities.indexOf(entityID);
if (disable) {
if (entityIndex == -1) {
untouchableEntities.push(entityID);
}
} else {
if (entityIndex != -1) {
untouchableEntities.splice(entityIndex, 1);
}
}
});
MyAvatar.onLoadComplete.connect(function () {
// Sometimes the rig is not ready when this signal is trigger
console.log("avatar loaded");
Script.setTimeout(function() {
reEstimatePalmData();
recreateRayPicks();
}, MSECONDS_AFTER_LOAD);
});
MyAvatar.sensorToWorldScaleChanged.connect(function() {
reEstimatePalmData();
});
Script.scriptEnding.connect(function () {
cleanUp();
});
Script.update.connect(function () {
if (!handTouchEnabled) {
return;
}
// index of the finger that needs to be updated this frame
updateFingerWithIndex = (updateFingerWithIndex < fingerKeys.length-1) ? updateFingerWithIndex + 1 : 0;
["right", "left"].forEach(function(side) {
if (!palmData[side].set) {
reEstimatePalmData();
recreateRayPicks();
}
// recalculate the base data
updateSphereHand(side);
activateNextRay(side, updateFingerWithIndex);
// this vars manage the transition to default pose
var isHandTouching = getTouching(side);
countToDefault[side] = isHandTouching ? 0 : countToDefault[side] + 1;
for (var i = 0; i < fingerKeys.length; i++) {
var finger = fingerKeys[i];
var jointSuffixes = 3; // We need to update rotation of the 0, 1 and 2 joints
var names = getJointNames(side, finger, jointSuffixes);
// Add the animation increments
dataCurrent[side][finger] = addVals(dataCurrent[side][finger], dataDelta[side][finger], 1);
// update every finger joint
for (var j = 0; j < names.length; j++) {
var index = MyAvatar.getJointIndex(names[j]);
// if no finger is touching restate the default poses
if (isHandTouching || (dataDefault[side].set &&
countToDefault[side] < fingerKeys.length*touchAnimationSteps)) {
var quatRot = dataCurrent[side][finger][j];
MyAvatar.setJointRotation(index, quatRot);
} else {
MyAvatar.clearJointData(index);
}
}
}
});
});
}());