/*
* Copyright (C) 2015-2018 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
(function() {
window.Leaf = Utilities.createSubclass(Particle,
function(stage)
{
this.element = document.createElement("img");
this.element.setAttribute("src", Stage.randomElementInArray(stage.images).src);
stage.element.appendChild(this.element);
Particle.call(this, stage);
}, {
sizeMinimum: 20,
sizeRange: 30,
usesOpacity: true,
reset: function()
{
Particle.prototype.reset.call(this);
this.element.style.width = this.size.x + "px";
this.element.style.height = this.size.y + "px";
if (this.usesOpacity) {
this._opacity = .01;
this._opacityRate = 0.02 * Stage.random(1, 6);
} else
this._life = Stage.randomInt(20, 100);
this._position = new Point(Stage.random(0, this.maxPosition.x), Stage.random(-this.size.height, this.maxPosition.y));
this._velocity = new Point(Stage.random(-6, -2), .1 * this.size.y + Stage.random(-1, 1));
},
animate: function(timeDelta)
{
this.rotater.next(timeDelta);
this._position.x += this._velocity.x + 8 * this.stage.focusX;
this._position.y += this._velocity.y;
if (this.usesOpacity) {
this._opacity += this._opacityRate;
if (this._opacity > 1) {
this._opacity = 1;
this._opacityRate *= -1;
} else if (this._opacity < 0 || this._position.y > this.stage.size.height)
this.reset();
} else {
this._life--;
if (!this._life || this._position.y > this.stage.size.height)
this.reset();
}
if (this._position.x < -this.size.width || this._position.x > this.stage.size.width)
this._position.x = this._position.x - Math.sign(this._position.x) * (this.size.width + this.stage.size.width);
this.move();
},
move: function()
{
this.element.style.transform = "translate(" + this._position.x + "px, " + this._position.y + "px)" + this.rotater.rotateZ();
this.element.style.opacity = this._opacity;
}
});
Utilities.extendObject(ParticlesStage.prototype, {
imageSrcs: [
"compass",
"console",
"contribute",
"debugger",
"inspector",
"layout",
"performance",
"script",
"shortcuts",
"standards",
"storage",
"styles",
"timeline"
],
images: [],
initialize: function(benchmark)
{
Stage.prototype.initialize.call(this, benchmark);
var lastPromise;
var images = this.images;
this.imageSrcs.forEach(function(imageSrc) {
var promise = this._loadImage("../master/resources/" + imageSrc + "100.png"); // nocheck
if (!lastPromise)
lastPromise = promise;
else {
lastPromise = lastPromise.then(function(img) {
images.push(img);
return promise;
});
}
}, this);
lastPromise.then(function(img) {
images.push(img);
benchmark.readyPromise.resolve();
});
},
_loadImage: function(src) {
var img = new Image;
var promise = new SimplePromise;
img.onload = function(e) {
promise.resolve(e.target);
};
img.src = src;
return promise;
},
animate: function(timeDelta)
{
this.focusX = 0.5 + 0.5 * Math.sin(Stage.dateFractionalValue(10000) * Math.PI * 2);
timeDelta /= 4;
this.particles.forEach(function(particle) {
particle.animate(timeDelta);
});
},
createParticle: function()
{
return new Leaf(this);
},
willRemoveParticle: function(particle)
{
particle.element.remove();
}
});
var LeavesBenchmark = Utilities.createSubclass(Benchmark,
function(options)
{
Benchmark.call(this, new ParticlesStage(), options);
}, {
waitUntilReady: function() {
this.readyPromise = new SimplePromise;
return this.readyPromise;
}
});
window.benchmarkClass = LeavesBenchmark;
})();