summaryrefslogtreecommitdiffstats
path: root/src/TextureByReference/Tetrahedron.java
diff options
context:
space:
mode:
Diffstat (limited to 'src/TextureByReference/Tetrahedron.java')
-rw-r--r--src/TextureByReference/Tetrahedron.java221
1 files changed, 0 insertions, 221 deletions
diff --git a/src/TextureByReference/Tetrahedron.java b/src/TextureByReference/Tetrahedron.java
deleted file mode 100644
index 11d4a89..0000000
--- a/src/TextureByReference/Tetrahedron.java
+++ /dev/null
@@ -1,221 +0,0 @@
-/*
- * $RCSfile$
- *
- * 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 Tetrahedron extends Shape3D {
-
- private static final float sqrt3 = (float) Math.sqrt(3.0);
- private static final float sqrt3_3 = sqrt3 / 3.0f;
- private static final float sqrt24_3 = (float) Math.sqrt(24.0) / 3.0f;
-
- private static final float ycenter = 0.5f * sqrt24_3;
- private static final float zcenter = -sqrt3_3;
-
- private static final Point3f p1 = new Point3f(-1.0f, -ycenter, -zcenter);
- private static final Point3f p2 = new Point3f(1.0f, -ycenter, -zcenter);
- private static final Point3f p3 = new Point3f(0.0f, -ycenter, -sqrt3 - zcenter);
- private static final Point3f p4 = new Point3f(0.0f, sqrt24_3 - ycenter, 0.0f);
-
- private static final Point3f[] verts = {
- p1, p2, p4, // front face
- p1, p4, p3, // left, back face
- p2, p3, p4, // right, back face
- p1, p3, p2, // bottom face
- };
-
- private Point2f texCoord[] = {
- new Point2f(-0.25f, 0.0f),
- new Point2f(1.25f, 0.0f),
- new Point2f(0.5f, 2.0f),
- };
-
- private TriangleArray geometryByRef;
- private TriangleArray geometryByCopy;
-
- // for geometry by reference
- private Point3f[] verticesArray = new Point3f[12];
- private TexCoord2f[] textureCoordsArray = new TexCoord2f[12];
- private Vector3f[] normalsArray = new Vector3f[12];
-
- // default to geometry by copy
- public Tetrahedron() {
- this(false);
- }
-
- // creates a tetrahedron with geometry by reference or by copy depending on
- // the byRef parameter
- public Tetrahedron(boolean byRef) {
- if (byRef) {
- createGeometryByRef();
- this.setGeometry(geometryByRef);
- }
- else {
- createGeometryByCopy();
- this.setGeometry(geometryByCopy);
- }
- this.setCapability(Shape3D.ALLOW_GEOMETRY_READ);
- this.setCapability(Shape3D.ALLOW_GEOMETRY_WRITE);
- setAppearance(new Appearance());
- }
-
- // create the geometry by reference and
- // store it in the geometryByRef variable
- public void createGeometryByRef() {
-// System.out.println("createGeometryByRef");
- geometryByRef = new TriangleArray(12, TriangleArray.COORDINATES |
- TriangleArray.NORMALS |
- TriangleArray.TEXTURE_COORDINATE_2 |
- TriangleArray.BY_REFERENCE);
-
- int i;
-
- // the coordinates
- for (i = 0; i < 12; i++) {
- verticesArray[i] = new Point3f(verts[i]);
- }
- geometryByRef.setCoordRef3f(verticesArray);
-// System.out.println("coordinates set");
-// Point3f[] temp1 = geometryByRef.getCoordRef3f();
-// for (i = 0; i < 12; i++) {
-// System.out.println(temp1[i]);
-// }
-
- // the texture coordinates
- for (i = 0; i < 12; i++) {
- textureCoordsArray[i] = new TexCoord2f(texCoord[i%3]);
- }
- geometryByRef.setTexCoordRef2f(0, textureCoordsArray);
-// System.out.println("texture coords set");
-// TexCoord2f[] temp2 = geometryByRef.getTexCoordRef2f(0);
-// for (i = 0; i < 12; i++) {
-// System.out.println(temp2[i]);
-// }
-
- // the normals
- Vector3f normal = new Vector3f();
- Vector3f v1 = new Vector3f();
- Vector3f v2 = new Vector3f();
- Point3f[] pts = new Point3f[3];
- for (int face = 0; face < 4; face++) {
- pts[0] = new Point3f(verts[face*3]);
- pts[1] = new Point3f(verts[face*3+1]);
- pts[2] = new Point3f(verts[face*3+2]);
- v1.sub(pts[1], pts[0]);
- v2.sub(pts[2], pts[0]);
- normal.cross(v1, v2);
- normal.normalize();
- for (i = 0; i < 3; i++) {
- normalsArray[face*3+i] = new Vector3f(normal);
- }
- }
- geometryByRef.setNormalRef3f(normalsArray);
-// System.out.println("normals set");
-// Vector3f[] temp3 = geometryByRef.getNormalRef3f();
-// for (i = 0; i < 12; i++) {
-// System.out.println(temp3[i]);
-// }
- }
-
- // create the geometry by copy and store it in the geometryByCopy variable
- public void createGeometryByCopy() {
- int i;
- geometryByCopy = new TriangleArray(12, TriangleArray.COORDINATES |
- TriangleArray.NORMALS |
- TriangleArray.TEXTURE_COORDINATE_2);
-
- geometryByCopy.setCoordinates(0, verts);
-
- for (i = 0; i < 12; i++) {
- geometryByCopy.setTextureCoordinate(0, i,
- new TexCoord2f(texCoord[i%3]));
- }
-
- int face;
- Vector3f normal = new Vector3f();
- Vector3f v1 = new Vector3f();
- Vector3f v2 = new Vector3f();
- Point3f [] pts = new Point3f[3];
- for (i = 0; i < 3; i++) pts[i] = new Point3f();
-
- for (face = 0; face < 4; face++) {
- geometryByCopy.getCoordinates(face*3, pts);
- v1.sub(pts[1], pts[0]);
- v2.sub(pts[2], pts[0]);
- normal.cross(v1, v2);
- normal.normalize();
- for (i = 0; i < 3; i++) {
- geometryByCopy.setNormal((face * 3 + i), normal);
- }
- }
- }
-
- // set the geometry to geometryByRef or geometryByCopy depending on the
- // parameter. Create geometryByRef or geometryByCopy if necessary
- public void setByReference(boolean b) {
-// System.out.println("Tetrahedron.setByReference " + b);
- // by reference is true
- if (b) {
- // if there is no geometryByRef, create it
- if (geometryByRef == null) {
- createGeometryByRef();
- }
- // set the geometry
- this.setGeometry(geometryByRef);
- }
- // by reference is false
- else {
- // if there is no geometryByCopy, create it
- if (geometryByCopy == null) {
- createGeometryByCopy();
- }
- // set the geometry
- this.setGeometry(geometryByCopy);
- }
- }
-}
-
-
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-14 08:06:08 +0000