Package org.lwjgl.util.glu
Class Disk
- java.lang.Object
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- org.lwjgl.util.glu.Quadric
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- org.lwjgl.util.glu.Disk
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public class Disk extends Quadric
Disk.java Created 23-dec-2003- Author:
- Erik Duijs
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Field Summary
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Fields inherited from class org.lwjgl.util.glu.Quadric
drawStyle, normals, orientation, textureFlag
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Constructor Summary
Constructors Constructor Description Disk()
Constructor for Disk.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description void
draw(float innerRadius, float outerRadius, int slices, int loops)
renders a disk on the z = 0 plane.-
Methods inherited from class org.lwjgl.util.glu.Quadric
cos, getDrawStyle, getNormals, getOrientation, getTextureFlag, normal3f, setDrawStyle, setNormals, setOrientation, setTextureFlag, sin, TXTR_COORD
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Method Detail
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draw
public void draw(float innerRadius, float outerRadius, int slices, int loops)
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 +z side of the disk is considered to be "outside" (see glu.quadricOrientation). This means that if the orientation is set to GLU.OUTSIDE, then any normals generated point along the +z axis. Otherwise, they point along the -z axis. If texturing is turned on (with glu.quadricTexture), 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).
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