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(function() {
SVGParticle = Utilities.createSubclass(Particle,
function(stage)
{
var shapeId = "#shape-" + Stage.randomInt(1, stage.particleTypeCount);
this.isClipPath = Stage.randomBool();
if (this.isClipPath) {
this.element = Utilities.createSVGElement("rect", {
x: 0,
y: 0,
"clip-path": "url(" + shapeId + ")"
}, {}, stage.element);
} else {
var shapePath = document.querySelector(shapeId + " path");
this.element = shapePath.cloneNode();
stage.element.appendChild(this.element);
}
this.gradient = document.getElementById("default-gradient").cloneNode(true);
this.gradient.id = "gradient-" + stage.gradientsCounter++;
stage.gradientsDefs.appendChild(this.gradient);
this.element.setAttribute("fill", "url(#" + this.gradient.id + ")");
Particle.call(this, stage);
}, {
sizeMinimum: 30,
sizeRange: 40,
reset: function()
{
Particle.prototype.reset.call(this);
this.position = Stage.randomElementInArray(this.stage.emitLocation);
var velocityMagnitude = Stage.random(.5, 2.5);
var angle = Stage.randomInt(0, this.stage.emitSteps) / this.stage.emitSteps * Math.PI * 2 + Stage.dateCounterValue(1000) * this.stage.emissionSpin + velocityMagnitude;
this.velocity = new Point(Math.sin(angle), Math.cos(angle))
.multiply(velocityMagnitude);
if (this.isClipPath) {
this.element.setAttribute("width", this.size.x);
this.element.setAttribute("height", this.size.y);
this.transformSuffix = " translate(-" + this.size.center.x + ",-" + this.size.center.y + ")";
} else
this.transformSuffix = " scale(" + this.size.x + ") translate(-.5,-.5)";
this.stage.colorOffset = (this.stage.colorOffset + .5) % 360;
var transform = this.stage.element.createSVGTransform();
transform.setRotate(Stage.randomInt(0, 359), 0, 0);
this.gradient.gradientTransform.baseVal.initialize(transform);
var stops = this.gradient.querySelectorAll("stop");
stops[0].setAttribute("stop-color", "hsl(" + this.stage.colorOffset + ", 70%, 45%)");
stops[1].setAttribute("stop-color", "hsl(" + ((this.stage.colorOffset + Stage.randomInt(50,100)) % 360) + ", 70%, 65%)");
},
move: function()
{
this.element.setAttribute("transform", "translate(" + this.position.x + "," + this.position.y + ") " + this.rotater.rotate(Point.zero) + this.transformSuffix);
}
});
SVGParticleStage = Utilities.createSubclass(ParticlesStage,
function()
{
ParticlesStage.call(this);
}, {
initialize: function(benchmark)
{
ParticlesStage.prototype.initialize.call(this, benchmark);
this.emissionSpin = Stage.random(0, 3);
this.emitSteps = Stage.randomInt(4, 6);
this.emitLocation = [
new Point(this.size.x * .25, this.size.y * .333),
new Point(this.size.x * .5, this.size.y * .25),
new Point(this.size.x * .75, this.size.y * .333)
];
this.colorOffset = Stage.randomInt(0, 359);
this.particleTypeCount = document.querySelectorAll(".shape").length;
this.gradientsDefs = document.getElementById("gradients");
this.gradientsCounter = 0;
},
createParticle: function()
{
return new SVGParticle(this);
},
willRemoveParticle: function(particle)
{
particle.element.remove();
if (particle.gradient)
particle.gradient.remove();
}
});
SVGParticleBenchmark = Utilities.createSubclass(Benchmark,
function(options)
{
Benchmark.call(this, new SVGParticleStage(), options);
}
);
window.benchmarkClass = SVGParticleBenchmark;
})();
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