Procedurality.Channel.xsine C# (CSharp) Method

		public Channel xsine(int frequency) {
			for (int y = 0; y < height; y++) {
				for (int x = 0; x < width; x++) {
					putPixel(x, y, (float)Math.Sin(2*Math.PI*(((float)x/width)*frequency + getPixel(x, y))));
				}
			}
			return this.normalize();
		}