gluDisk function
The gluDisk function draws a disk.
void WINAPI gluDisk(
GLUquadric *qobj,
GLdouble innerRadius,
GLdouble outerRadius,
GLint slices,
GLint loops
);
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qobj
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The quadric object (created with gluNewQuadric).
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innerRadius
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The inner radius of the disk (may be zero).
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outerRadius
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The outer radius of the disk.
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slices
-
The number of subdivisions around the z-axis.
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loops
-
The number of concentric rings about the origin into which the disk is subdivided.
This function does not return a value.
The gluDisk function renders a disk on the z = 0 plane. The disk has a radius of outerRadius, and contains a concentric circular hole with a radius of innerRadius. If innerRadius is 0, then no hole is generated. The disk is subdivided around the z-axis into slices (like pizza slices) and also about the z-axis into rings (as specified by slices and loops, respectively).
With respect to orientation, the positive z-side of the disk is considered to be outside (see gluQuadricOrientation). This means that if the orientation is set to GLU_OUTSIDE, then any normals generated point along the positive z-axis.
If texturing is turned on (with gluQuadricTexture), texture coordinates are generated linearly such that where r = outerRadius, the value at (r, 0, 0) is (1, 0.5); at (0, r, 0) it is (0.5, 1); at (-r, 0, 0) it is (0, 0.5); and at (0, -r, 0) it is (0.5, 0).
Requirement | Value |
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Minimum supported client |
Windows 2000 Professional [desktop apps only] |
Minimum supported server |
Windows 2000 Server [desktop apps only] |
Header |
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Library |
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DLL |
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