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Unity 5.x Shaders and Effects Cookbook by Kenneth Lammers, Alan Zucconi

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Using brightness, saturation, and contrast with screen effects

Now that we have our screen effects system up and running, we can explore how to create more involved pixel operations to perform some of the more common Screen Effects found in games today.

To begin, using a screen effect to adjust the overall final colors of your game is crucial in giving artists a global control over the final look of the game. Techniques such as color adjustment sliders to adjust the intensity for the reds, blues, and greens of the final rendered game or techniques like putting a certain tone of color over the whole screen as seen in something like a sepia film effect.

For this particular recipe, we are going to cover some of the more core color adjustment operations ...

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