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ericrius1 2015-12-21 11:35:57 -08:00
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examples/flowArts/arcBall/arcBall.js
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@ -1,139 +1,145 @@
// arcBallEntityScript.js
//
// Script Type: Entity
// Created by Eric Levin on 12/17/15.
// Copyright 2015 High Fidelity, Inc.
// //
// This entity script handles the logic for the arcBall rave toy // arcBall.js
// examples/arcBall
//
// Created by Eric Levin on 12/17/15.
// Copyright 2014 High Fidelity, Inc.
//
// This script creats a particle light ball which makes particle trails as you move it.
//
//
// Distributed under the Apache License, Version 2.0. // Distributed under the Apache License, Version 2.0.
// See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html // See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
// //
(function() { Script.include("../../libraries/utils.js");
Script.include("../../libraries/utils.js");
var _this;
var ArcBall = function() { var scriptURL = Script.resolvePath("arcBallEntityScript.js");
_this = this; ArcBall = function(spawnPosition) {
this.colorPalette = [{
var colorPalette = [{
red: 25,
green: 20,
blue: 162
}];
var containerBall = Entities.addEntity({
type: "Sphere",
name: "Arc Ball",
script: scriptURL,
position: Vec3.sum(spawnPosition, {
x: 0,
y: .7,
z: 0
}),
dimensions: {
x: .05,
y: .05,
z: .05
},
color: {
red: 100,
green: 10,
blue: 150
},
ignoreForCollisions: true,
damping: 0.8,
collisionsWillMove: true,
userData: JSON.stringify({
grabbableKey: {
spatialKey: {
relativePosition: {
x: 0,
y: 0.0,
z: -0.5
},
},
// invertSolidWhileHeld: true
}
})
});
var light = Entities.addEntity({
type: 'Light',
name: "ballLight",
parentID: containerBall,
dimensions: {
x: 30,
y: 30,
z: 30
},
color: colorPalette[randInt(0, colorPalette.length)],
intensity: 5
});
var arcBall = Entities.addEntity({
type: "ParticleEffect",
parentID: containerBall,
isEmitting: true,
name: "Arc Ball Particle Effect",
colorStart: {
red: 200,
green: 20,
blue: 40
},
color: {
red: 200,
green: 200,
blue: 255
},
colorFinish: {
red: 25, red: 25,
green: 20, green: 20,
blue: 162 blue: 255
}, {
red: 200,
green: 10,
blue: 10
}];
};
ArcBall.prototype = {
isGrabbed: false,
startNearGrab: function() {
//Search for nearby balls and create an arc to it if one is found
var position = Entities.getEntityProperties(this.entityID, "position").position
var entities = Entities.findEntities(position, 10);
entities.forEach(function(entity) {
var props = Entities.getEntityProperties(entity, ["position", "name"]);
if (props.name === "Arc Ball" && JSON.stringify(_this.entityID) !== JSON.stringify(entity)) {
_this.target = entity;
_this.createBeam(position, props.position);
}
});
}, },
maxParticles: 100000,
createBeam: function(startPosition, endPosition) { lifespan: 2,
// Creates particle arc from start position to end position emitRate: 400,
var rotation = Entities.getEntityProperties(this.entityID, "rotation").rotation; emitSpeed: .1,
var sourceToTargetVec = Vec3.subtract(endPosition, startPosition); lifetime: -1,
var emitOrientation = Quat.rotationBetween(Vec3.UNIT_Z, sourceToTargetVec); speedSpread: 0.0,
emitOrientation = Quat.multiply(Quat.inverse(rotation), emitOrientation); emitDimensions: {
x: 0,
y: 0,
var color = this.colorPalette[randInt(0, this.colorPalette.length)]; z: 0
var props = {
type: "ParticleEffect",
name: "Particle Arc",
parentID: this.entityID,
parentJointIndex: -1,
// position: startPosition,
isEmitting: true,
colorStart: color,
color: {
red: 200,
green: 200,
blue: 255
},
colorFinish: color,
maxParticles: 100000,
lifespan: 1,
emitRate: 1000,
emitOrientation: emitOrientation,
emitSpeed: .2,
speedSpread: 0.1,
emitDimensions: {
x: .1,
y: .1,
z: .1
},
polarStart: 0,
polarFinish: .0,
azimuthStart: .1,
azimuthFinish: .01,
emitAcceleration: {
x: 0,
y: 0,
z: 0
},
accelerationSpread: {
x: .00,
y: .00,
z: .00
},
radiusStart: 0.01,
radiusFinish: 0.005,
radiusSpread: .005,
alpha: 0.5,
alphaSpread: .1,
alphaStart: 0.5,
alphaFinish: 0.0,
textures: "https://s3.amazonaws.com/hifi-public/eric/textures/particleSprites/beamParticle.png",
emitterShouldTrail: true
}
this.particleArc = Entities.addEntity(props);
}, },
polarStart: 0,
updateBeam: function(startPosition) { polarFinish: Math.PI,
var targetPosition = Entities.getEntityProperties(this.target, "position").position; azimuthStart: -Math.PI,
print("TARGET position " + JSON.stringify(this.target)); azimuthFinish: Math.PI,
var rotation = Entities.getEntityProperties(this.entityID, "rotation").rotation; emitAcceleration: {
var sourceToTargetVec = Vec3.subtract(targetPosition, startPosition); x: 0,
var emitOrientation = Quat.rotationBetween(Vec3.UNIT_Z, sourceToTargetVec); y: 0,
// emitOrientation = Quat.multiply(emitOrientation,Quat.inverse(rotation)); z: 0
Entities.editEntity(this.particleArc, {
emitOrientation: emitOrientation
});
}, },
accelerationSpread: {
continueNearGrab: function() { x: .00,
var startPosition = Entities.getEntityProperties(this.entityID, "position").position; y: .00,
this.updateBeam(startPosition); z: .00
}, },
particleRadius: 0.02,
radiusSpread: 0,
radiusStart: 0.03,
radiusFinish: 0.0003,
alpha: 0,
alphaSpread: .5,
alphaStart: 0,
alphaFinish: 0.5,
textures: "https://hifi-public.s3.amazonaws.com/alan/Particles/Particle-Sprite-Smoke-1.png",
emitterShouldTrail: true
})
releaseGrab: function() {
Entities.editEntity(this.particleArc, {
isEmitting: false
});
},
unload: function() {
if (this.particleArc) {
Entities.deleteEntity(this.particleArc);
}
},
preload: function(entityID) { function cleanup() {
this.entityID = entityID; Entities.deleteEntity(arcBall);
}, Entities.deleteEntity(containerBall);
}; Entities.deleteEntity(light);
return new ArcBall(); }
});
this.cleanup = cleanup;
}