OpenGLAlphaFunc 方法 (UInt32, Single)

public void AlphaFunc(
	uint func,
	float reference
)

参数

func

类型：SystemUInt32
Specifies the alpha comparison function. Symbolic constants OpenGL.NEVER, OpenGL.LESS, OpenGL.EQUAL, OpenGL.LEQUAL, OpenGL.GREATER, OpenGL.NOTEQUAL, OpenGL.GEQUAL and OpenGL.ALWAYS are accepted. The initial value is OpenGL.ALWAYS.

reference

类型：SystemSingle
Specifies the reference value that incoming alpha values are compared to. This value is clamped to the range 0 through 1, where 0 represents the lowest possible alpha value and 1 the highest possible value. The initial reference value is 0.

引用