词条 | gluQuadricOrientation |
释义 | gluQuadricOrientation NAME gluQuadricOrientation -- specify inside/outside orientation for quadrics C SPECIFICATION void gluQuadricOrientation(GLUquadricObj *quadObject, GLenum orientation) PARAMETERS quadObject Specifies the quadrics object (created with gluNewQuadric). orientation Specifies the desired orientation. Valid values are GLU_OUTSIDE and GLU_INSIDE. DESCRIPTION gluQuadricOrientation specifies what kind of orientation is desired for quadrics rendered with quadObject. The orientation values are as follows: GLU_OUTSIDE Quadrics are drawn with normals pointing outward. GLU_INSIDE Normals point inward. The default is GLU_OUTSIDE. Note that the interpretation of outward and inward depends on the quadric being drawn. |
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