Amazing-Python-Scripts

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(function(){
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	window.Background = function(options){
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		var self = this;
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		options = options || {};
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		self.width = options.width || 400;
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		self.height = options.height || 400;
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		self.offset = 0;
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		self.update = function(frameTime, delta){
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			self.offset += delta;
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			if(self.offset > 50)
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				self.offset -= 50;
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		}
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		// Draw the background rect
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		self.draw = function(ctx){
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			var width = self.width;
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			var height = self.height;
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			ctx.fillStyle = '#000';
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			ctx.fillRect(0, 0, width, height);
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			// Draw a grid on the bg
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			drawGrid(ctx, {
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				bounds: {
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					top: 0,
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					right: width,
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					bottom: height,
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					left: 0
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				},
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				step: 50,
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				offset: self.offset
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			});
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		}
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	}
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})();