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ericrius1
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1 changed files with 131 additions and 125 deletions
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// arcBallEntityScript.js
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//
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// Script Type: Entity
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// Created by Eric Levin on 12/17/15.
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// Copyright 2015 High Fidelity, Inc.
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//
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// This entity script handles the logic for the arcBall rave toy
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// arcBall.js
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// examples/arcBall
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//
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// Created by Eric Levin on 12/17/15.
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// Copyright 2014 High Fidelity, Inc.
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//
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// This script creats a particle light ball which makes particle trails as you move it.
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//
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//
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// Distributed under the Apache License, Version 2.0.
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// See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
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//
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(function() {
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Script.include("../../libraries/utils.js");
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var _this;
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var ArcBall = function() {
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_this = this;
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this.colorPalette = [{
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Script.include("../../libraries/utils.js");
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var scriptURL = Script.resolvePath("arcBallEntityScript.js");
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ArcBall = function(spawnPosition) {
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var colorPalette = [{
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red: 25,
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green: 20,
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blue: 162
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}];
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var containerBall = Entities.addEntity({
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type: "Sphere",
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name: "Arc Ball",
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script: scriptURL,
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position: Vec3.sum(spawnPosition, {
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x: 0,
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y: .7,
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z: 0
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}),
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dimensions: {
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x: .05,
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y: .05,
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z: .05
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},
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color: {
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red: 100,
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green: 10,
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blue: 150
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},
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ignoreForCollisions: true,
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damping: 0.8,
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collisionsWillMove: true,
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userData: JSON.stringify({
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grabbableKey: {
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spatialKey: {
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relativePosition: {
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x: 0,
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y: 0.0,
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z: -0.5
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},
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},
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// invertSolidWhileHeld: true
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}
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})
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});
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var light = Entities.addEntity({
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type: 'Light',
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name: "ballLight",
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parentID: containerBall,
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dimensions: {
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x: 30,
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y: 30,
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z: 30
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},
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color: colorPalette[randInt(0, colorPalette.length)],
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intensity: 5
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});
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var arcBall = Entities.addEntity({
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type: "ParticleEffect",
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parentID: containerBall,
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isEmitting: true,
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name: "Arc Ball Particle Effect",
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colorStart: {
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red: 200,
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green: 20,
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blue: 40
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},
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color: {
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red: 200,
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green: 200,
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blue: 255
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},
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colorFinish: {
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red: 25,
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green: 20,
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blue: 162
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}, {
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red: 200,
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green: 10,
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blue: 10
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}];
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};
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ArcBall.prototype = {
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isGrabbed: false,
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startNearGrab: function() {
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//Search for nearby balls and create an arc to it if one is found
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var position = Entities.getEntityProperties(this.entityID, "position").position
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var entities = Entities.findEntities(position, 10);
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entities.forEach(function(entity) {
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var props = Entities.getEntityProperties(entity, ["position", "name"]);
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if (props.name === "Arc Ball" && JSON.stringify(_this.entityID) !== JSON.stringify(entity)) {
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_this.target = entity;
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_this.createBeam(position, props.position);
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}
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});
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blue: 255
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},
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createBeam: function(startPosition, endPosition) {
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// Creates particle arc from start position to end position
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var rotation = Entities.getEntityProperties(this.entityID, "rotation").rotation;
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var sourceToTargetVec = Vec3.subtract(endPosition, startPosition);
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var emitOrientation = Quat.rotationBetween(Vec3.UNIT_Z, sourceToTargetVec);
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emitOrientation = Quat.multiply(Quat.inverse(rotation), emitOrientation);
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var color = this.colorPalette[randInt(0, this.colorPalette.length)];
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var props = {
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type: "ParticleEffect",
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name: "Particle Arc",
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parentID: this.entityID,
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parentJointIndex: -1,
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// position: startPosition,
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isEmitting: true,
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colorStart: color,
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color: {
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red: 200,
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green: 200,
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blue: 255
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},
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colorFinish: color,
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maxParticles: 100000,
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lifespan: 1,
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emitRate: 1000,
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emitOrientation: emitOrientation,
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emitSpeed: .2,
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speedSpread: 0.1,
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emitDimensions: {
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x: .1,
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y: .1,
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z: .1
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},
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polarStart: 0,
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polarFinish: .0,
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azimuthStart: .1,
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azimuthFinish: .01,
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emitAcceleration: {
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x: 0,
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y: 0,
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z: 0
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},
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accelerationSpread: {
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x: .00,
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y: .00,
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z: .00
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},
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radiusStart: 0.01,
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radiusFinish: 0.005,
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radiusSpread: .005,
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alpha: 0.5,
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alphaSpread: .1,
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alphaStart: 0.5,
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alphaFinish: 0.0,
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textures: "https://s3.amazonaws.com/hifi-public/eric/textures/particleSprites/beamParticle.png",
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emitterShouldTrail: true
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}
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this.particleArc = Entities.addEntity(props);
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maxParticles: 100000,
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lifespan: 2,
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emitRate: 400,
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emitSpeed: .1,
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lifetime: -1,
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speedSpread: 0.0,
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emitDimensions: {
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x: 0,
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y: 0,
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z: 0
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},
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updateBeam: function(startPosition) {
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var targetPosition = Entities.getEntityProperties(this.target, "position").position;
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print("TARGET position " + JSON.stringify(this.target));
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var rotation = Entities.getEntityProperties(this.entityID, "rotation").rotation;
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var sourceToTargetVec = Vec3.subtract(targetPosition, startPosition);
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var emitOrientation = Quat.rotationBetween(Vec3.UNIT_Z, sourceToTargetVec);
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// emitOrientation = Quat.multiply(emitOrientation,Quat.inverse(rotation));
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Entities.editEntity(this.particleArc, {
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emitOrientation: emitOrientation
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});
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polarStart: 0,
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polarFinish: Math.PI,
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azimuthStart: -Math.PI,
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azimuthFinish: Math.PI,
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emitAcceleration: {
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x: 0,
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y: 0,
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z: 0
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},
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continueNearGrab: function() {
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var startPosition = Entities.getEntityProperties(this.entityID, "position").position;
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this.updateBeam(startPosition);
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accelerationSpread: {
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x: .00,
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y: .00,
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z: .00
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},
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particleRadius: 0.02,
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radiusSpread: 0,
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radiusStart: 0.03,
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radiusFinish: 0.0003,
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alpha: 0,
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alphaSpread: .5,
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alphaStart: 0,
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alphaFinish: 0.5,
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textures: "https://hifi-public.s3.amazonaws.com/alan/Particles/Particle-Sprite-Smoke-1.png",
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emitterShouldTrail: true
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})
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releaseGrab: function() {
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Entities.editEntity(this.particleArc, {
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isEmitting: false
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});
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},
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unload: function() {
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if (this.particleArc) {
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Entities.deleteEntity(this.particleArc);
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}
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},
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preload: function(entityID) {
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this.entityID = entityID;
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},
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};
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return new ArcBall();
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});
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function cleanup() {
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Entities.deleteEntity(arcBall);
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Entities.deleteEntity(containerBall);
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Entities.deleteEntity(light);
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}
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this.cleanup = cleanup;
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}
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