// // fireworksLaunchButtonEntityScript.js // // Created by Eric Levin on 3/7/2016 // Copyright 2016 High Fidelity, Inc. // // This is the chapter 3 entity script of the fireworks tutorial (https://docs.highfidelity.com/docs/fireworks-scripting-tutorial) // // Distributed under the Apache License, Version 2.0. (function() { Script.include("../../libraries/utils.js"); var _this; Fireworks = function() { _this = this; _this.launchSound = SoundCache.getSound("https://s3-us-west-1.amazonaws.com/hifi-content/eric/Sounds/missle+launch.wav"); _this.explosionSound = SoundCache.getSound("https://s3-us-west-1.amazonaws.com/hifi-content/eric/Sounds/fireworksExplosion.wav"); _this.TIME_TO_EXPLODE = 3000; }; Fireworks.prototype = { startNearTrigger: function() { _this.shootFirework(_this.position); }, startFarTrigger: function() { _this.shootFirework(_this.position); }, clickReleaseOnEntity: function() { _this.shootFirework(_this.position); }, shootFirework: function(launchPosition) { Audio.playSound(_this.launchSound, { position: launchPosition, volume: 0.5 }); var smoke = Entities.addEntity({ type: "ParticleEffect", position: _this.position, velocity: {x: 0, y: 3, z: 0}, linearDamping: 0, lifespan: 10, lifetime: 20, isEmitting: true, name: "Smoke Trail", maxParticles: 3000, emitRate: 80, emitSpeed: 0, speedSpread: 0, polarStart: 0, polarFinish: 0, azimuthStart: -3.14, azimuthFinish: 3.14, emitAcceleration: { x: 0, y: 0.01, z: 0 }, accelerationSpread: { x: 0.01, y: 0, z: 0.01 }, radiusSpread: 0.03, particleRadius: 0.3, radiusStart: 0.06, radiusFinish: 0.9, alpha: 0.1, alphaSpread: 0, alphaStart: 0.7, alphaFinish: 0, textures: "https://hifi-public.s3.amazonaws.com/alan/Particles/Particle-Sprite-Smoke-1.png", emitterShouldTrail: true, }); Script.setTimeout(function() { var explodePosition = Entities.getEntityProperties(smoke, "position").position; _this.explodeFirework(explodePosition); }, _this.TIME_TO_EXPLODE); }, explodeFirework: function(explodePosition) { Audio.playSound(_this.explosionSound, { position: explodePosition }); var firework = Entities.addEntity({ name: "fireworks emitter", position: explodePosition, type: "ParticleEffect", colorStart: hslToRgb({ h: Math.random(), s: 0.5, l: 0.7 }), color: hslToRgb({ h: Math.random(), s: 0.5, l: 0.5 }), colorFinish: hslToRgb({ h: Math.random(), s: 0.5, l: 0.7 }), maxParticles: 10000, lifetime: 20, lifespan: randFloat(1.5, 3), emitRate: randInt(500, 5000), emitSpeed: randFloat(0.5, 2), speedSpread: 0.2, emitOrientation: Quat.fromPitchYawRollDegrees(randInt(0, 360), randInt(0, 360), randInt(0, 360)), polarStart: 1, polarFinish: randFloat(1.2, 3), azimuthStart: -Math.PI, azimuthFinish: Math.PI, emitAcceleration: { x: 0, y: randFloat(-1, -0.2), z: 0 }, accelerationSpread: { x: Math.random(), y: 0, z: Math.random() }, particleRadius: randFloat(0.001, 0.1), radiusSpread: Math.random() * 0.1, radiusStart: randFloat(0.001, 0.1), radiusFinish: randFloat(0.001, 0.1), alpha: randFloat(0.8, 1.0), alphaSpread: randFloat(0.1, 0.2), alphaStart: randFloat(0.7, 1.0), alphaFinish: randFloat(0.7, 1.0), textures: "http://ericrius1.github.io/PlatosCave/assets/star.png", }); Script.setTimeout(function() { Entities.editEntity(firework, { isEmitting: false }); }, randInt(500, 1000)); }, preload: function(entityID) { _this.entityID = entityID; _this.position = Entities.getEntityProperties(_this.entityID, "position").position; } }; // entity scripts always need to return a newly constructed object of our type return new Fireworks(); });