Unity 2018 Shaders and Effects Cookbook - Third Edition

Getting ready

Now that we know what we have to make, let's take a look at how each of the layers is combined to create the final effect and gather some resources for our shader and screen effect script:

• Sepia tone: This is a relatively simple effect to achieve, as we just need to bring all the pixel colors of the original render texture to a single color range. This is easily achieved using the luminance of the original image and adding a constant color. Our first layer will look like the following screenshot:

• Vignette effect: We can always see some sort of soft border around old films when they are being projected using an old movie projector. ...