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Improve performance of fireworks

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This commit is contained in:
Ryan Huffman 2015-11-04 12:10:42 -08:00
parent d0d3aaa09c
commit bed7a1f5c3
1 changed files with 48 additions and 37 deletions
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85
examples/baseball/firework.js
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@ -2,24 +2,28 @@ Script.include("http://rawgit.com/huffman/hifi/baseball/examples/baseball/utils.
var emitters = [];
var currentIdx = 0;
var smokeTrailEmitters = [];
var burstEmitters = [];
var smokeTrailSettings = {
"name":"ParticlesTest Emitter",
"type": "ParticleEffect",
"color":{"red":205,"green":84.41176470588235,"blue":84.41176470588235},
"maxParticles":1000,
"velocity": { x: 0, y: 18.0, z: 0 },
"lifetime": 20,
//"lifetime": 20,
"lifespan":3,
"emitRate":1000,
"emitSpeed":0.5,
"speedSpread":1,
"emitOrientation":{"x":-0.2,"y":0,"z":0,"w":0.7000000000000001},
"speedSpread":0,
"emitOrientation":{"x":0,"y":0,"z":0,"w":1},
"emitDimensions":{"x":0,"y":0,"z":0},
"emitRadiusStart":0.5,
"polarStart":1,
"polarFinish":1,
"azimuthStart":-Math.PI,
"azimuthFinish":Math.PI,
"azimuthStart":0,
"azimuthFinish":0,
"emitAcceleration":{"x":0,"y":-0.70000001192092896,"z":0},
"accelerationSpread":{"x":0,"y":0,"z":0},
"particleRadius":0.03999999910593033,
@ -41,8 +45,8 @@ var fireworkSettings = {
"type": "ParticleEffect",
"color":{"red":205,"green":84.41176470588235,"blue":84.41176470588235},
"maxParticles":1000,
"lifetime": 20,
"lifespan":6,
//"lifetime": 20,
"lifespan":4,
"emitRate":1000,
"emitSpeed":1.5,
"speedSpread":1.0,
@ -67,7 +71,6 @@ var fireworkSettings = {
"alphaStart":0,
"alphaFinish":1,
"textures":"https://hifi-public.s3.amazonaws.com/alan/Particles/spark_2.png",
//"textures": "https://hifi-public.s3.amazonaws.com/alan/Particles/spark.png"
};
var popSounds = getSounds([
@ -84,48 +87,41 @@ var fireSounds = getSounds([
])
function playRandomSound(sounds, options) {
if (options === undefined) {
options = {
volume: 1.0,
position: MyAvatar.position,
}
}
Audio.playSound(sounds[randomInt(sounds.length)], options);
}
function shootFirework(position, color, options) {
smokeTrailSettings.position = position;
smokeTrailSettings.velocity = randomVec3(-5, 5, 10, 20, 10, 15);
smokeTrailSettings.gravity = randomVec3(-5, 5, -9.8, -9.8, 20, 40);
var updatedSmokeProperties = {
position: position,
velocity: randomVec3(-5, 5, 10, 20, 10, 15),
gravity: randomVec3(-5, 5, -9.8, -9.8, 20, 40),
emitRate: 100
};
var idx = currentIdx;
currentIdx = (currentIdx + 1) % MAX_SIMULTANEOUS_FIREWORKS;
playRandomSound(fireSounds, { position: {x: 0, y: 0 , z: 0}, volume: 3.0 });
var smokeID = Entities.addEntity(smokeTrailSettings);
emitters.push(smokeID);
Script.scriptEnding.connect(function() {
Entities.deleteEntity(smokeID);
});
var smokeID = smokeTrailEmitters[idx];
var burstID = burstEmitters[idx];
Entities.editEntity(smokeID, updatedSmokeProperties);
Script.setTimeout(function() {
Entities.editEntity(smokeID, { emitRate: 0 });
var position = Entities.getEntityProperties(smokeID, ['position']).position;
Vec3.print("pos", position);
options.position = position;
options.colorStart = color;
options.colorFinish = color;
var id = Entities.addEntity(options);
emitters.push(id);
var updatedBurstProperties = {
position: position,
colorStart: color,
colorFinish: color,
emitRate: 1000
};
Entities.editEntity(burstID, updatedBurstProperties);
playRandomSound(popSounds, { position: {x: 0, y: 0 , z: 0}, volume: 3.0 });
Script.setTimeout(function() {
Entities.editEntity(id, { emitRate: 0 });
Entities.deleteEntity(smokeID);
Entities.editEntity(burstID, { emitRate: 0 });
}, 500);
}, 2000);
}
Script.scriptEnding.connect(function() {
for (var i = 0; i < emitters.lengths; ++i) {
Entities.deleteEntity(emitters[i]);
}
});
playFireworkShow = function(numberOfFireworks, duration) {
var position = { x: 0, y: 0, z: -78.0 };
@ -141,4 +137,19 @@ playFireworkShow = function(numberOfFireworks, duration) {
}
}
//playFireworkShow(50, 10000);
var MAX_SIMULTANEOUS_FIREWORKS = 50;
smokeTrailSettings.emitRate = 0;
fireworkSettings.emitRate = 0;
for (var i = 0; i < MAX_SIMULTANEOUS_FIREWORKS; ++i) {
smokeTrailEmitters.push(Entities.addEntity(smokeTrailSettings));
burstEmitters.push(Entities.addEntity(fireworkSettings));
}
Script.scriptEnding.connect(function() {
for (var i = 0; i < MAX_SIMULTANEOUS_FIREWORKS; ++i) {
Entities.deleteEntity(smokeTrailEmitters[i]);
Entities.deleteEntity(burstEmitters[i]);
}
});
//playFireworkShow(30, 2000);