Members
获取或设置一个数字，用于控制太阳镜头光晕的"亮度"。
零值仅显示太阳圆盘，没有任何光晕。
使用较大的值可获得太阳周围更明显的光晕效果。
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Default Value:
1.0
确定是否显示太阳。
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Default Value:
true
Methods
Destroys the WebGL resources held by this object. Destroying an object allows for deterministic
release of WebGL resources, instead of relying on the garbage collector to destroy this object.
Once an object is destroyed, it should not be used; calling any function other than
Once an object is destroyed, it should not be used; calling any function other than
isDestroyed will result in a DeveloperError exception. Therefore,
assign the return value (undefined) to the object as done in the example.
Throws:
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DeveloperError : This object was destroyed, i.e., destroy() was called.
Example:
sun = sun && sun.destroy();
See:
Returns true if this object was destroyed; otherwise, false.
If this object was destroyed, it should not be used; calling any function other than
If this object was destroyed, it should not be used; calling any function other than
isDestroyed will result in a DeveloperError exception.
Returns:
true if this object was destroyed; otherwise, false.