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Diffstat (limited to '')
-rw-r--r-- | third_party/webkit/PerformanceTests/MotionMark/tests/master/resources/focus.js | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/third_party/webkit/PerformanceTests/MotionMark/tests/master/resources/focus.js b/third_party/webkit/PerformanceTests/MotionMark/tests/master/resources/focus.js new file mode 100644 index 0000000000..04842e744e --- /dev/null +++ b/third_party/webkit/PerformanceTests/MotionMark/tests/master/resources/focus.js @@ -0,0 +1,129 @@ +(function() { + +var minimumDiameter = 30; +var sizeVariance = 20; +var travelDistance = 50; + +var minBlurValue = 1; +var maxBlurValue = 10; + +var opacityMultiplier = 30; +var focusDuration = 1000; +var movementDuration = 2500; + +var FocusElement = Utilities.createClass( + function(stage) + { + var size = minimumDiameter + sizeVariance; + + // Size and blurring are a function of depth. + this._depth = Pseudo.random(); + var distance = Utilities.lerp(this._depth, 0, sizeVariance); + size -= distance; + + var top = Stage.random(0, stage.size.height - size); + var left = Stage.random(0, stage.size.width - size); + + this.particle = document.createElement("div"); + this.particle.style.width = size + "px"; + this.particle.style.height = size + "px"; + this.particle.style.top = top + "px"; + this.particle.style.left = left + "px"; + this.particle.style.zIndex = Math.round((1 - this._depth) * 10); + + var depthMultiplier = Utilities.lerp(1 - this._depth, 0.8, 1); + this._sinMultiplier = Pseudo.random() * Stage.randomSign() * depthMultiplier * travelDistance; + this._cosMultiplier = Pseudo.random() * Stage.randomSign() * depthMultiplier * travelDistance; + + this.animate(stage, 0, 0); + }, { + + hide: function() + { + this.particle.style.display = "none"; + }, + + show: function() + { + this.particle.style.display = "block"; + }, + + animate: function(stage, sinFactor, cosFactor) + { + var top = sinFactor * this._sinMultiplier; + var left = cosFactor * this._cosMultiplier; + var distance = Math.abs(this._depth - stage.focalPoint); + var blur = Utilities.lerp(distance, minBlurValue, maxBlurValue); + var opacity = Math.max(5, opacityMultiplier * (1 - distance)); + + Utilities.setElementPrefixedProperty(this.particle, "filter", "blur(" + blur + "px) opacity(" + opacity + "%)"); + this.particle.style.transform = "translate3d(" + left + "%, " + top + "%, 0)"; + } +}); + +var FocusStage = Utilities.createSubclass(Stage, + function() + { + Stage.call(this); + }, { + + initialize: function(benchmark, options) + { + Stage.prototype.initialize.call(this, benchmark, options); + + this._testElements = []; + this._offsetIndex = 0; + this.focalPoint = 0.5; + }, + + complexity: function() + { + return this._offsetIndex; + }, + + tune: function(count) + { + if (count == 0) + return; + + if (count < 0) { + this._offsetIndex = Math.max(0, this._offsetIndex + count); + for (var i = this._offsetIndex; i < this._testElements.length; ++i) + this._testElements[i].hide(); + return; + } + + var newIndex = this._offsetIndex + count; + for (var i = this._testElements.length; i < newIndex; ++i) { + var obj = new FocusElement(this); + this._testElements.push(obj); + this.element.appendChild(obj.particle); + } + for (var i = this._offsetIndex; i < newIndex; ++i) + this._testElements[i].show(); + this._offsetIndex = newIndex; + }, + + animate: function() + { + var time = this._benchmark.timestamp; + var sinFactor = Math.sin(time / movementDuration); + var cosFactor = Math.cos(time / movementDuration); + + this.focalPoint = 0.5 + 0.5 * Math.sin(time / focusDuration); + + for (var i = 0; i < this._offsetIndex; ++i) + this._testElements[i].animate(this, sinFactor, cosFactor); + } +}); + +var FocusBenchmark = Utilities.createSubclass(Benchmark, + function(options) + { + Benchmark.call(this, new FocusStage(), options); + } +); + +window.benchmarkClass = FocusBenchmark; + +}()); |