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-rw-r--r--src/FourByFour/Cylinder.java114
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diff --git a/src/FourByFour/Cylinder.java b/src/FourByFour/Cylinder.java
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--- a/src/FourByFour/Cylinder.java
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-/*
- * $RCSfile$
- *
- * Copyright (c) 2006 Sun Microsystems, Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * - Redistribution of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * - Redistribution in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * Neither the name of Sun Microsystems, Inc. or the names of
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * This software is provided "AS IS," without a warranty of any
- * kind. ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND
- * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY
- * EXCLUDED. SUN MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL
- * NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF
- * USING, MODIFYING OR DISTRIBUTING THIS SOFTWARE OR ITS
- * DERIVATIVES. IN NO EVENT WILL SUN OR ITS LICENSORS BE LIABLE FOR
- * ANY LOST REVENUE, PROFIT OR DATA, OR FOR DIRECT, INDIRECT, SPECIAL,
- * CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER CAUSED AND
- * REGARDLESS OF THE THEORY OF LIABILITY, ARISING OUT OF THE USE OF OR
- * INABILITY TO USE THIS SOFTWARE, EVEN IF SUN HAS BEEN ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGES.
- *
- * You acknowledge that this software is not designed, licensed or
- * intended for use in the design, construction, operation or
- * maintenance of any nuclear facility.
- *
- * $Revision$
- * $Date$
- * $State$
- */
-
-import javax.media.j3d.*;
-import javax.vecmath.*;
-
-public class Cylinder {
-
- float verts[];
- float normals[];
- QuadArray quad = null;
- float div = 3.0f;
- Shape3D shape;
-
- public Cylinder(float x, float z, float radius, float length, int quality, Appearance a) {
-
- if (quality < 3) quality = 3;
-
- div = (float) quality;
-
- verts = new float[quality*12];
- normals = new float[quality*12];
-
- double inc = 2.0*Math.PI/(double)div;
- for (int i=0; i< quality; i++){
- float z1 = radius * (float)Math.sin((double)i*inc) + z;
- float x1 = radius * (float)Math.cos((double)i*inc) + x;
- float z2 = radius * (float)Math.sin((double)(i+1)*inc) + z;
- float x2 = radius * (float)Math.cos((double)(i+1)*inc) + x;
-
- verts[12*i] = x1;
- verts[12*i+1] = -length/2.f;
- verts[12*i+2] = z1;
- verts[12*i+3] = x1;
- verts[12*i+4] = length/2.f;
- verts[12*i+5] = z1;
- verts[12*i+6] = x2;
- verts[12*i+7] = length/2.f;
- verts[12*i+8] = z2;
- verts[12*i+9] = x2;
- verts[12*i+10] = -length/2.f;
- verts[12*i+11] = z2;
-
- float nz1 = (float)Math.sin((double)i*inc);
- float nx1 = (float)Math.cos((double)i*inc);
- float nz2 = (float)Math.sin((double)(i+1)*inc);
- float nx2 = (float)Math.cos((double)(i+1)*inc);
-
- normals[12*i] = nx1;
- normals[12*i+1] = 0.0f;
- normals[12*i+2] = nz1;
- normals[12*i+3] = nx1;
- normals[12*i+4] = 0.0f;
- normals[12*i+5] = nz1;
- normals[12*i+6] = nx2;
- normals[12*i+7] = 0.0f;
- normals[12*i+8] = nz2;
- normals[12*i+9] = nx2;
- normals[12*i+10] = 0.0f;
- normals[12*i+11] = nz2;
- }
-
- quad = new QuadArray(quality*4, QuadArray.COORDINATES |
- QuadArray.NORMALS );
- quad.setCoordinates(0, verts);
- quad.setNormals(0, normals);
- shape = new Shape3D(quad, a);
- }
-
- Shape3D getShape(){
- return shape;
- }
-}