Grayscale image effectGrayscale is a simple image effect that changes colors to grayscale by default. It can also use a Texture Ramp texture to remap luminance to arbitrary colors.Like all image effects, Grayscale is available in Unity Pro only. Make sure to have the Pro Standard Assets installed.Grayscale image effect applied to the sceneRemapping colorsGrayscale can do a simple version of colo..