AlphaTest 类指定 Alpha 参考测试。 更多...
| import 语句： | import Qt3D.Render 2.5 |
| 实例化： | QAlphaTest |
| 继承： | RenderState |
As the OpenGL documentation explains; The alpha test discards a fragment conditional on the outcome of a comparison between the incoming fragment's alpha value and a constant reference value.
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alphaFunction : enumeration |
Holds the alpha function used by the alpha test. Default is AlphaTest .Never.
另请参阅 Qt3DRender::QAlphaTest::AlphaFunction .
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referenceValue : real |
Holds the reference value used by the alpha test. Default is 0.0. When set, the value is clamped between 0 and 1.
