1 files changed, 73 insertions, 0 deletions
diff --git a/third_party/webkit/PerformanceTests/MotionMark/tests/dom/resources/dom-particles.js b/third_party/webkit/PerformanceTests/MotionMark/tests/dom/resources/dom-particles.js
new file mode 100644
index 0000000000..471444b2e7
--- /dev/null
+++ b/third_party/webkit/PerformanceTests/MotionMark/tests/dom/resources/dom-particles.js
@@ -0,0 +1,73 @@
+(function() {
+
+DOMParticle = Utilities.createSubclass(Particle,
+    function(stage)
+    {
+        this.element = document.createElement("div");
+        stage.element.appendChild(this.element);
+
+        Particle.call(this, stage);
+    }, {
+
+    reset: function()
+    {
+        Particle.prototype.reset.call(this);
+
+        this.position = Stage.randomElementInArray(this.stage.emitLocation);
+
+        var angle = Stage.randomInt(0, this.stage.emitSteps) / this.stage.emitSteps * Math.PI * 2 + Stage.dateCounterValue(100) * this.stage.emissionSpin;
+        this.velocity = new Point(Math.sin(angle), Math.cos(angle))
+            .multiply(Stage.random(.5, 2.5));
+
+        this.element.style.width = this.size.x + "px";
+        this.element.style.height = this.size.y + "px";
+        this.stage.colorOffset = (this.stage.colorOffset + 1) % 360;
+        this.element.style.backgroundColor = "hsl(" + this.stage.colorOffset + ", 70%, 45%)";
+    },
+
+    move: function()
+    {
+        this.element.style.transform = "translate(" + this.position.x + "px, " + this.position.y + "px)" + this.rotater.rotateZ();
+    }
+});
+
+DOMParticleStage = 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);
+    },
+
+    createParticle: function()
+    {
+        return new DOMParticle(this);
+    },
+
+    willRemoveParticle: function(particle)
+    {
+        particle.element.remove();
+    }
+});
+
+DOMParticleBenchmark = Utilities.createSubclass(Benchmark,
+    function(options)
+    {
+        Benchmark.call(this, new DOMParticleStage(), options);
+    }
+);
+
+window.benchmarkClass = DOMParticleBenchmark;
+
+})();