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/**
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* Specifies whether the object casts or receives shadows from light sources when
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* shadows are enabled.
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*
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* @exports ShadowMode
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*/
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var ShadowMode = {
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/**
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* The object does not cast or receive shadows.
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*
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* @type {Number}
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* @constant
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*/
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DISABLED : 0,
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/**
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* The object casts and receives shadows.
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*
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* @type {Number}
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* @constant
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*/
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ENABLED : 1,
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/**
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* The object casts shadows only.
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*
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* @type {Number}
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* @constant
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*/
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CAST_ONLY : 2,
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/**
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* The object receives shadows only.
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*
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* @type {Number}
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* @constant
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*/
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RECEIVE_ONLY : 3,
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/**
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* @private
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*/
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NUMBER_OF_SHADOW_MODES : 4
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};
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/**
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* @private
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*/
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ShadowMode.castShadows = function(shadowMode) {
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return (shadowMode === ShadowMode.ENABLED) || (shadowMode === ShadowMode.CAST_ONLY);
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};
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/**
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* @private
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*/
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ShadowMode.receiveShadows = function(shadowMode) {
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return (shadowMode === ShadowMode.ENABLED) || (shadowMode === ShadowMode.RECEIVE_ONLY);
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};
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/**
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* @private
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*/
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ShadowMode.fromCastReceive = function(castShadows, receiveShadows) {
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if (castShadows && receiveShadows) {
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return ShadowMode.ENABLED;
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} else if (castShadows) {
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return ShadowMode.CAST_ONLY;
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} else if (receiveShadows) {
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return ShadowMode.RECEIVE_ONLY;
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}
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return ShadowMode.DISABLED;
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};
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export default Object.freeze(ShadowMode);
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