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116 lines
3.5 KiB
JavaScript
116 lines
3.5 KiB
JavaScript
// lightSaberEntityScript.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 creates the logic for displaying the lightsaber beam.
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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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// this is the "constructor" for the entity as a JS object we don't do much here
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var LightSaber = function() {
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_this = this;
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this.colorPalette = [{
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red: 0,
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green: 200,
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blue: 40
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}, {
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red: 200,
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green: 10,
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blue: 40
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}];
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};
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LightSaber.prototype = {
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isGrabbed: false,
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startNearGrab: function() {
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Entities.editEntity(this.beam, {
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isEmitting: true,
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visible: true
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});
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},
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releaseGrab: function() {
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Entities.editEntity(this.beam, {
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visible: false,
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isEmitting: false
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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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this.createBeam();
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},
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unload: function() {
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Entities.deleteEntity(this.beam);
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},
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createBeam: function() {
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this.props = Entities.getEntityProperties(this.entityID, ["position", "rotation"]);
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var forwardVec = Quat.getFront(Quat.multiply(this.props.rotation, Quat.fromPitchYawRollDegrees(-90, 0, 0)));
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var forwardQuat = Quat.rotationBetween(Vec3.UNIT_Z, forwardVec);
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var position = this.props.position;
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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: "LightSaber Beam",
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position: position,
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parentID: this.entityID,
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isEmitting: false,
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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: 2,
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emitRate: 1000,
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emitOrientation: forwardQuat,
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emitSpeed: 0.7,
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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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polarStart: 0,
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polarFinish: 0,
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azimuthStart: 0.1,
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azimuthFinish: 0.01,
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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: 0.03,
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adiusFinish: 0.025,
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alpha: 0.7,
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alphaSpread: 0.1,
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alphaStart: 0.5,
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alphaFinish: 0.5,
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textures: "https://s3.amazonaws.com/hifi-public/eric/textures/particleSprites/beamParticle.png",
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emitterShouldTrail: false
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}
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this.beam = Entities.addEntity(props);
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}
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};
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// entity scripts always need to return a newly constructed object of our type
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return new LightSaber();
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});
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