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