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Utilities.extendObject(SimpleCanvasStage.prototype, {
tune: function(count)
{
if (count == 0)
return;
if (count < 0) {
this.offsetIndex = Math.max(this.offsetIndex + count, 0);
return;
}
this.offsetIndex = this.offsetIndex + count;
if (this.offsetIndex > this.objects.length) {
// For some tests, it may be easier to see how well the test is going
// by limiting the range of coordinates in which new objects can reside
var coordinateMaximumFactor = Math.min(this.objects.length, Math.min(this.size.x, this.size.y)) / Math.min(this.size.x, this.size.y);
var newIndex = this.offsetIndex - this.objects.length;
for (var i = 0; i < newIndex; ++i)
this.objects.push(new this._canvasObject(this, coordinateMaximumFactor));
}
},
animate: function()
{
var context = this.context;
context.clearRect(0, 0, this.size.x, this.size.y);
for (var i = 0, length = this.offsetIndex; i < length; ++i)
this.objects[i].draw(context);
},
complexity: function()
{
return this.offsetIndex;
}
});