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Difference between revisions of "EffectShader"
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DavidJCobb (talk | contribs) |
DavidJCobb (talk | contribs) |
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* The '''source blend mode''' is something that we multiply by the source color. | * The '''source blend mode''' is something that we multiply by the source color. | ||
* The '''destination blend mode''' is something that we multiply by the destination color. | * The '''destination blend mode''' is something that we multiply by the destination color. | ||
* The '''blend operation''' is a simple math operation (e.g. addition, subtraction) that is applied to the source and destination colors ''after'' we've multiplied them by something | * The '''blend operation''' is a simple math operation (e.g. addition, subtraction) that is applied to the source and destination colors ''after'' we've multiplied them by something. This operation combines the two colors into a final result, which is used as the color of the pixel that the player sees on-screen. | ||
Colors are commonly represented as a set of three integers in the range [0, 255] — red, green, and blue — but for the math performed here, they're each treated as decimal values in the range [0, 1]. | Colors are commonly represented as a set of three integers in the range [0, 255] — red, green, and blue — but for the math performed here, they're each treated as decimal values in the range [0, 1]. | ||