| 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; |
| } |
| }); |