import CesiumMath from "../Core/Math.js";
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/**
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* Defines different modes for blending between a target color and a primitive's source color.
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*
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* HIGHLIGHT multiplies the source color by the target color
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* REPLACE replaces the source color with the target color
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* MIX blends the source color and target color together
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*
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* @enum {Number}
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*
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* @see Model.colorBlendMode
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*/
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var ColorBlendMode = {
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HIGHLIGHT: 0,
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REPLACE: 1,
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MIX: 2,
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};
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/**
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* @private
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*/
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ColorBlendMode.getColorBlend = function (colorBlendMode, colorBlendAmount) {
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if (colorBlendMode === ColorBlendMode.HIGHLIGHT) {
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return 0.0;
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} else if (colorBlendMode === ColorBlendMode.REPLACE) {
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return 1.0;
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} else if (colorBlendMode === ColorBlendMode.MIX) {
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// The value 0.0 is reserved for highlight, so clamp to just above 0.0.
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return CesiumMath.clamp(colorBlendAmount, CesiumMath.EPSILON4, 1.0);
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}
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};
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export default Object.freeze(ColorBlendMode);
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