aboutsummaryrefslogtreecommitdiffstats
path: root/src/net/java/games/util/GLUT.java
diff options
context:
space:
mode:
Diffstat (limited to 'src/net/java/games/util/GLUT.java')
-rw-r--r--src/net/java/games/util/GLUT.java845
1 files changed, 0 insertions, 845 deletions
diff --git a/src/net/java/games/util/GLUT.java b/src/net/java/games/util/GLUT.java
deleted file mode 100644
index cc8ba4fdc..000000000
--- a/src/net/java/games/util/GLUT.java
+++ /dev/null
@@ -1,845 +0,0 @@
-/*
- * Copyright (c) 2003 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
- * MIDROSYSTEMS, 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 or intended for use
- * in the design, construction, operation or maintenance of any nuclear
- * facility.
- *
- * Sun gratefully acknowledges that this software was originally authored
- * and developed by Kenneth Bradley Russell and Christopher John Kline.
- */
-
-package net.java.games.util;
-
-import net.java.games.jogl.*;
-
-/** Subset of the routines provided by the GLUT interface. Note the
- signatures of many of the methods are necessarily different than
- the corresponding C version. A GLUT object must only be used from
- one particular thread at a time. <P>
-
- Copyright (c) Mark J. Kilgard, 1994, 1997. <P>
-
- (c) Copyright 1993, Silicon Graphics, Inc. <P>
-
- ALL RIGHTS RESERVED <P>
-
- Permission to use, copy, modify, and distribute this software
- for any purpose and without fee is hereby granted, provided
- that the above copyright notice appear in all copies and that
- both the copyright notice and this permission notice appear in
- supporting documentation, and that the name of Silicon
- Graphics, Inc. not be used in advertising or publicity
- pertaining to distribution of the software without specific,
- written prior permission. <P>
-
- THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU
- "AS-IS" AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR
- OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF
- MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. IN NO
- EVENT SHALL SILICON GRAPHICS, INC. BE LIABLE TO YOU OR ANYONE
- ELSE FOR ANY DIRECT, SPECIAL, INCIDENTAL, INDIRECT OR
- CONSEQUENTIAL DAMAGES OF ANY KIND, OR ANY DAMAGES WHATSOEVER,
- INCLUDING WITHOUT LIMITATION, LOSS OF PROFIT, LOSS OF USE,
- SAVINGS OR REVENUE, OR THE CLAIMS OF THIRD PARTIES, WHETHER OR
- NOT SILICON GRAPHICS, INC. HAS BEEN ADVISED OF THE POSSIBILITY
- OF SUCH LOSS, HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
- ARISING OUT OF OR IN CONNECTION WITH THE POSSESSION, USE OR
- PERFORMANCE OF THIS SOFTWARE. <P>
-
- US Government Users Restricted Rights <P>
-
- Use, duplication, or disclosure by the Government is subject to
- restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
- (c)(1)(ii) of the Rights in Technical Data and Computer
- Software clause at DFARS 252.227-7013 and/or in similar or
- successor clauses in the FAR or the DOD or NASA FAR
- Supplement. Unpublished-- rights reserved under the copyright
- laws of the United States. Contractor/manufacturer is Silicon
- Graphics, Inc., 2011 N. Shoreline Blvd., Mountain View, CA
- 94039-7311. <P>
-
- OpenGL(TM) is a trademark of Silicon Graphics, Inc. <P>
-*/
-
-public class GLUT {
- public static final int STROKE_ROMAN = 0;
- public static final int STROKE_MONO_ROMAN = 1;
- public static final int BITMAP_9_BY_15 = 2;
- public static final int BITMAP_8_BY_13 = 3;
- public static final int BITMAP_TIMES_ROMAN_10 = 4;
- public static final int BITMAP_TIMES_ROMAN_24 = 5;
- public static final int BITMAP_HELVETICA_10 = 6;
- public static final int BITMAP_HELVETICA_12 = 7;
- public static final int BITMAP_HELVETICA_18 = 8;
-
- //----------------------------------------------------------------------
- // Shapes
- //
-
- public void glutWireSphere(GLU glu, double radius, int slices, int stacks) {
- quadObjInit(glu);
- glu.gluQuadricDrawStyle(quadObj, GLU.GLU_LINE);
- glu.gluQuadricNormals(quadObj, GLU.GLU_SMOOTH);
- /* If we ever changed/used the texture or orientation state
- of quadObj, we'd need to change it to the defaults here
- with gluQuadricTexture and/or gluQuadricOrientation. */
- glu.gluSphere(quadObj, radius, slices, stacks);
- }
-
- public void glutSolidSphere(GLU glu, double radius, int slices, int stacks) {
- quadObjInit(glu);
- glu.gluQuadricDrawStyle(quadObj, GLU.GLU_FILL);
- glu.gluQuadricNormals(quadObj, GLU.GLU_SMOOTH);
- /* If we ever changed/used the texture or orientation state
- of quadObj, we'd need to change it to the defaults here
- with gluQuadricTexture and/or gluQuadricOrientation. */
- glu.gluSphere(quadObj, radius, slices, stacks);
- }
-
- public void glutWireCone(GLU glu,
- double base, double height,
- int slices, int stacks) {
- quadObjInit(glu);
- glu.gluQuadricDrawStyle(quadObj, GLU.GLU_LINE);
- glu.gluQuadricNormals(quadObj, GLU.GLU_SMOOTH);
- /* If we ever changed/used the texture or orientation state
- of quadObj, we'd need to change it to the defaults here
- with gluQuadricTexture and/or gluQuadricOrientation. */
- glu.gluCylinder(quadObj, base, 0.0, height, slices, stacks);
- }
-
- public void glutSolidCone(GLU glu,
- double base, double height,
- int slices, int stacks) {
- quadObjInit(glu);
- glu.gluQuadricDrawStyle(quadObj, GLU.GLU_FILL);
- glu.gluQuadricNormals(quadObj, GLU.GLU_SMOOTH);
- /* If we ever changed/used the texture or orientation state
- of quadObj, we'd need to change it to the defaults here
- with gluQuadricTexture and/or gluQuadricOrientation. */
- glu.gluCylinder(quadObj, base, 0.0, height, slices, stacks);
- }
-
- public void glutWireCube(GL gl, float size) {
- drawBox(gl, size, GL.GL_LINE_LOOP);
- }
-
- public void glutSolidCube(GL gl, float size) {
- drawBox(gl, size, GL.GL_QUADS);
- }
-
- public void glutWireTorus(GL gl,
- double innerRadius, double outerRadius,
- int nsides, int rings) {
- gl.glPushAttrib(GL.GL_POLYGON_BIT);
- gl.glPolygonMode(GL.GL_FRONT_AND_BACK, GL.GL_LINE);
- doughnut(gl, innerRadius, outerRadius, nsides, rings);
- gl.glPopAttrib();
- }
-
- public void glutSolidTorus(GL gl,
- double innerRadius, double outerRadius,
- int nsides, int rings) {
- doughnut(gl, innerRadius, outerRadius, nsides, rings);
- }
-
- public void glutWireDodecahedron(GL gl) {
- dodecahedron(gl, GL.GL_LINE_LOOP);
- }
-
- public void glutSolidDodecahedron(GL gl) {
- dodecahedron(gl, GL.GL_TRIANGLE_FAN);
- }
-
- public void glutWireOctahedron(GL gl) {
- octahedron(gl, GL.GL_LINE_LOOP);
- }
-
- public void glutSolidOctahedron(GL gl) {
- octahedron(gl, GL.GL_TRIANGLES);
- }
-
- public void glutWireIcosahedron(GL gl) {
- icosahedron(gl, GL.GL_LINE_LOOP);
- }
-
- public void glutSolidIcosahedron(GL gl) {
- icosahedron(gl, GL.GL_TRIANGLES);
- }
-
- public void glutWireTetrahedron(GL gl) {
- tetrahedron(gl, GL.GL_LINE_LOOP);
- }
-
- public void glutSolidTetrahedron(GL gl) {
- tetrahedron(gl, GL.GL_TRIANGLES);
- }
-
- //----------------------------------------------------------------------
- // Fonts
- //
-
- public void glutBitmapCharacter(GL gl, int font, char character) {
- int[] swapbytes = new int[1];
- int[] lsbfirst = new int[1];
- int[] rowlength = new int[1];
- int[] skiprows = new int[1];
- int[] skippixels = new int[1];
- int[] alignment = new int[1];
- beginBitmap(gl,
- swapbytes,
- lsbfirst,
- rowlength,
- skiprows,
- skippixels,
- alignment);
- bitmapCharacterImpl(gl, font, character);
- endBitmap(gl,
- swapbytes,
- lsbfirst,
- rowlength,
- skiprows,
- skippixels,
- alignment);
- }
-
- public void glutBitmapString (GL gl, int font, String string) {
- int[] swapbytes = new int[1];
- int[] lsbfirst = new int[1];
- int[] rowlength = new int[1];
- int[] skiprows = new int[1];
- int[] skippixels = new int[1];
- int[] alignment = new int[1];
- beginBitmap(gl,
- swapbytes,
- lsbfirst,
- rowlength,
- skiprows,
- skippixels,
- alignment);
- int len = string.length();
- for (int i = 0; i < len; i++) {
- bitmapCharacterImpl(gl, font, string.charAt(i));
- }
- endBitmap(gl,
- swapbytes,
- lsbfirst,
- rowlength,
- skiprows,
- skippixels,
- alignment);
- }
-
- public int glutBitmapWidth (int font, char character) {
- BitmapFontRec fontinfo = getBitmapFont(font);
- int c = character & 0xFFFF;
- if (c < fontinfo.first || c >= fontinfo.first + fontinfo.num_chars)
- return 0;
- BitmapCharRec ch = fontinfo.ch[c - fontinfo.first];
- if (ch != null)
- return (int) ch.advance;
- else
- return 0;
- }
-
- public void glutStrokeCharacter(GL gl, int font, char character) {
- StrokeFontRec fontinfo = getStrokeFont(font);
- int c = character & 0xFFFF;
- if (c < 0 || c >= fontinfo.num_chars)
- return;
- StrokeCharRec ch = fontinfo.ch[c];
- if (ch != null) {
- for (int i = 0; i < ch.num_strokes; i++) {
- StrokeRec stroke = ch.stroke[i];
- gl.glBegin(GL.GL_LINE_STRIP);
- for (int j = 0; j < stroke.num_coords; j++) {
- CoordRec coord = stroke.coord[j];
- gl.glVertex2f(coord.x, coord.y);
- }
- gl.glEnd();
- }
- gl.glTranslatef(ch.right, 0.0f, 0.0f);
- }
- }
-
- public void glutStrokeString(GL gl, int font, String string) {
- StrokeFontRec fontinfo = getStrokeFont(font);
- int len = string.length();
- for (int pos = 0; pos < len; pos++) {
- int c = string.charAt(pos) & 0xFFFF;
- if (c < 0 || c >= fontinfo.num_chars)
- continue;
- StrokeCharRec ch = fontinfo.ch[c];
- if (ch != null) {
- for (int i = 0; i < ch.num_strokes; i++) {
- StrokeRec stroke = ch.stroke[i];
- gl.glBegin(GL.GL_LINE_STRIP);
- for (int j = 0; j < stroke.num_coords; j++) {
- CoordRec coord = stroke.coord[j];
- gl.glVertex2f(coord.x, coord.y);
- }
- gl.glEnd();
- }
- gl.glTranslatef(ch.right, 0.0f, 0.0f);
- }
- }
- }
-
- public int glutStrokeWidth (int font, char character) {
- StrokeFontRec fontinfo = getStrokeFont(font);
- int c = character & 0xFFFF;
- if (c < 0 || c >= fontinfo.num_chars)
- return 0;
- StrokeCharRec ch = fontinfo.ch[c];
- if (ch != null)
- return (int) ch.right;
- else
- return 0;
- }
-
- public int glutBitmapLength (int font, String string) {
- BitmapFontRec fontinfo = getBitmapFont(font);
- int length = 0;
- int len = string.length();
- for (int pos = 0; pos < len; pos++) {
- int c = string.charAt(pos) & 0xFFFF;
- if (c >= fontinfo.first && c < fontinfo.first + fontinfo.num_chars) {
- BitmapCharRec ch = fontinfo.ch[c - fontinfo.first];
- if (ch != null)
- length += ch.advance;
- }
- }
- return length;
- }
-
- public int glutStrokeLength (int font, String string) {
- StrokeFontRec fontinfo = getStrokeFont(font);
- int length = 0;
- int len = string.length();
- for (int i = 0; i < len; i++) {
- char c = string.charAt(i);
- if (c >= 0 && c < fontinfo.num_chars) {
- StrokeCharRec ch = fontinfo.ch[c];
- if (ch != null)
- length += ch.right;
- }
- }
- return length;
- }
-
- //----------------------------------------------------------------------
- // Internals only below this point
- //
-
- //----------------------------------------------------------------------
- // Shape implementation
- //
-
- private GLUquadric quadObj;
- private void quadObjInit(GLU glu) {
- if (quadObj == null) {
- quadObj = glu.gluNewQuadric();
- }
- if (quadObj == null) {
- throw new GLException("Out of memory");
- }
- }
-
- private static void doughnut(GL gl, double r, double R, int nsides, int rings) {
- int i, j;
- float theta, phi, theta1;
- float cosTheta, sinTheta;
- float cosTheta1, sinTheta1;
- float ringDelta, sideDelta;
-
- ringDelta = (float) (2.0 * Math.PI / rings);
- sideDelta = (float) (2.0 * Math.PI / nsides);
-
- theta = 0.0f;
- cosTheta = 1.0f;
- sinTheta = 0.0f;
- for (i = rings - 1; i >= 0; i--) {
- theta1 = theta + ringDelta;
- cosTheta1 = (float) Math.cos(theta1);
- sinTheta1 = (float) Math.sin(theta1);
- gl.glBegin(GL.GL_QUAD_STRIP);
- phi = 0.0f;
- for (j = nsides; j >= 0; j--) {
- float cosPhi, sinPhi, dist;
-
- phi += sideDelta;
- cosPhi = (float) Math.cos(phi);
- sinPhi = (float) Math.sin(phi);
- dist = (float) (R + r * cosPhi);
-
- gl.glNormal3f(cosTheta1 * cosPhi, -sinTheta1 * cosPhi, sinPhi);
- gl.glVertex3f(cosTheta1 * dist, -sinTheta1 * dist, (float) r * sinPhi);
- gl.glNormal3f(cosTheta * cosPhi, -sinTheta * cosPhi, sinPhi);
- gl.glVertex3f(cosTheta * dist, -sinTheta * dist, (float) r * sinPhi);
- }
- gl.glEnd();
- theta = theta1;
- cosTheta = cosTheta1;
- sinTheta = sinTheta1;
- }
- }
-
- private static final float[][] boxNormals = {
- {-1.0f, 0.0f, 0.0f},
- {0.0f, 1.0f, 0.0f},
- {1.0f, 0.0f, 0.0f},
- {0.0f, -1.0f, 0.0f},
- {0.0f, 0.0f, 1.0f},
- {0.0f, 0.0f, -1.0f}
- };
- private static final int[][] boxFaces = {
- {0, 1, 2, 3},
- {3, 2, 6, 7},
- {7, 6, 5, 4},
- {4, 5, 1, 0},
- {5, 6, 2, 1},
- {7, 4, 0, 3}
- };
- private float[][] boxVertices;
- private void drawBox(GL gl, float size, int type) {
- if (boxVertices == null) {
- float[][] v = new float[8][];
- for (int i = 0; i < 8; i++) {
- v[i] = new float[3];
- }
- v[0][0] = v[1][0] = v[2][0] = v[3][0] = -size / 2;
- v[4][0] = v[5][0] = v[6][0] = v[7][0] = size / 2;
- v[0][1] = v[1][1] = v[4][1] = v[5][1] = -size / 2;
- v[2][1] = v[3][1] = v[6][1] = v[7][1] = size / 2;
- v[0][2] = v[3][2] = v[4][2] = v[7][2] = -size / 2;
- v[1][2] = v[2][2] = v[5][2] = v[6][2] = size / 2;
- boxVertices = v;
- }
- float[][] v = boxVertices;
- float[][] n = boxNormals;
- int[][] faces = boxFaces;
- for (int i = 5; i >= 0; i--) {
- gl.glBegin(type);
- gl.glNormal3fv(n[i]);
- gl.glVertex3fv(v[faces[i][0]]);
- gl.glVertex3fv(v[faces[i][1]]);
- gl.glVertex3fv(v[faces[i][2]]);
- gl.glVertex3fv(v[faces[i][3]]);
- gl.glEnd();
- }
- }
-
- private float[][] dodec;
-
- private void initDodecahedron() {
- dodec = new float[20][];
- for (int i = 0; i < dodec.length; i++) {
- dodec[i] = new float[3];
- }
-
- float alpha, beta;
-
- alpha = (float) Math.sqrt(2.0f / (3.0f + Math.sqrt(5.0)));
- beta = 1.0f + (float) Math.sqrt(6.0 / (3.0 + Math.sqrt(5.0)) -
- 2.0 + 2.0 * Math.sqrt(2.0 / (3.0 + Math.sqrt(5.0))));
- dodec[0][0] = -alpha; dodec[0][1] = 0; dodec[0][2] = beta;
- dodec[1][0] = alpha; dodec[1][1] = 0; dodec[1][2] = beta;
- dodec[2][0] = -1; dodec[2][1] = -1; dodec[2][2] = -1;
- dodec[3][0] = -1; dodec[3][1] = -1; dodec[3][2] = 1;
- dodec[4][0] = -1; dodec[4][1] = 1; dodec[4][2] = -1;
- dodec[5][0] = -1; dodec[5][1] = 1; dodec[5][2] = 1;
- dodec[6][0] = 1; dodec[6][1] = -1; dodec[6][2] = -1;
- dodec[7][0] = 1; dodec[7][1] = -1; dodec[7][2] = 1;
- dodec[8][0] = 1; dodec[8][1] = 1; dodec[8][2] = -1;
- dodec[9][0] = 1; dodec[9][1] = 1; dodec[9][2] = 1;
- dodec[10][0] = beta; dodec[10][1] = alpha; dodec[10][2] = 0;
- dodec[11][0] = beta; dodec[11][1] = -alpha; dodec[11][2] = 0;
- dodec[12][0] = -beta; dodec[12][1] = alpha; dodec[12][2] = 0;
- dodec[13][0] = -beta; dodec[13][1] = -alpha; dodec[13][2] = 0;
- dodec[14][0] = -alpha; dodec[14][1] = 0; dodec[14][2] = -beta;
- dodec[15][0] = alpha; dodec[15][1] = 0; dodec[15][2] = -beta;
- dodec[16][0] = 0; dodec[16][1] = beta; dodec[16][2] = alpha;
- dodec[17][0] = 0; dodec[17][1] = beta; dodec[17][2] = -alpha;
- dodec[18][0] = 0; dodec[18][1] = -beta; dodec[18][2] = alpha;
- dodec[19][0] = 0; dodec[19][1] = -beta; dodec[19][2] = -alpha;
- }
-
- private static void diff3(float[] a, float[] b, float[] c) {
- c[0] = a[0] - b[0];
- c[1] = a[1] - b[1];
- c[2] = a[2] - b[2];
- }
-
- private static void crossprod(float[] v1, float[] v2, float[] prod) {
- float[] p = new float[3]; /* in case prod == v1 or v2 */
-
- p[0] = v1[1] * v2[2] - v2[1] * v1[2];
- p[1] = v1[2] * v2[0] - v2[2] * v1[0];
- p[2] = v1[0] * v2[1] - v2[0] * v1[1];
- prod[0] = p[0];
- prod[1] = p[1];
- prod[2] = p[2];
- }
-
- private static void normalize(float[] v) {
- float d;
-
- d = (float) Math.sqrt(v[0] * v[0] + v[1] * v[1] + v[2] * v[2]);
- if (d == 0.0) {
- v[0] = d = 1.0f;
- }
- d = 1 / d;
- v[0] *= d;
- v[1] *= d;
- v[2] *= d;
- }
-
- private void pentagon(GL gl, int a, int b, int c, int d, int e, int shadeType) {
- float[] n0 = new float[3];
- float[] d1 = new float[3];
- float[] d2 = new float[3];
-
- diff3(dodec[a], dodec[b], d1);
- diff3(dodec[b], dodec[c], d2);
- crossprod(d1, d2, n0);
- normalize(n0);
-
- gl.glBegin(shadeType);
- gl.glNormal3fv(n0);
- gl.glVertex3fv(dodec[a]);
- gl.glVertex3fv(dodec[b]);
- gl.glVertex3fv(dodec[c]);
- gl.glVertex3fv(dodec[d]);
- gl.glVertex3fv(dodec[e]);
- gl.glEnd();
- }
-
- private void dodecahedron(GL gl, int type) {
- if (dodec == null) {
- initDodecahedron();
- }
- pentagon(gl, 0, 1, 9, 16, 5, type);
- pentagon(gl, 1, 0, 3, 18, 7, type);
- pentagon(gl, 1, 7, 11, 10, 9, type);
- pentagon(gl, 11, 7, 18, 19, 6, type);
- pentagon(gl, 8, 17, 16, 9, 10, type);
- pentagon(gl, 2, 14, 15, 6, 19, type);
- pentagon(gl, 2, 13, 12, 4, 14, type);
- pentagon(gl, 2, 19, 18, 3, 13, type);
- pentagon(gl, 3, 0, 5, 12, 13, type);
- pentagon(gl, 6, 15, 8, 10, 11, type);
- pentagon(gl, 4, 17, 8, 15, 14, type);
- pentagon(gl, 4, 12, 5, 16, 17, type);
- }
-
- private static void recorditem(GL gl, float[] n1, float[] n2, float[] n3, int shadeType) {
- float[] q0 = new float[3];
- float[] q1 = new float[3];
-
- diff3(n1, n2, q0);
- diff3(n2, n3, q1);
- crossprod(q0, q1, q1);
- normalize(q1);
-
- gl.glBegin(shadeType);
- gl.glNormal3fv(q1);
- gl.glVertex3fv(n1);
- gl.glVertex3fv(n2);
- gl.glVertex3fv(n3);
- gl.glEnd();
- }
-
- private static void subdivide(GL gl, float[] v0, float[] v1, float[] v2, int shadeType) {
- int depth;
- float[] w0 = new float[3];
- float[] w1 = new float[3];
- float[] w2 = new float[3];
- float l;
- int i, j, k, n;
-
- depth = 1;
- for (i = 0; i < depth; i++) {
- for (j = 0; i + j < depth; j++) {
- k = depth - i - j;
- for (n = 0; n < 3; n++) {
- w0[n] = (i * v0[n] + j * v1[n] + k * v2[n]) / depth;
- w1[n] = ((i + 1) * v0[n] + j * v1[n] + (k - 1) * v2[n])
- / depth;
- w2[n] = (i * v0[n] + (j + 1) * v1[n] + (k - 1) * v2[n])
- / depth;
- }
- l = (float) Math.sqrt(w0[0] * w0[0] + w0[1] * w0[1] + w0[2] * w0[2]);
- w0[0] /= l;
- w0[1] /= l;
- w0[2] /= l;
- l = (float) Math.sqrt(w1[0] * w1[0] + w1[1] * w1[1] + w1[2] * w1[2]);
- w1[0] /= l;
- w1[1] /= l;
- w1[2] /= l;
- l = (float) Math.sqrt(w2[0] * w2[0] + w2[1] * w2[1] + w2[2] * w2[2]);
- w2[0] /= l;
- w2[1] /= l;
- w2[2] /= l;
- recorditem(gl, w1, w0, w2, shadeType);
- }
- }
- }
-
- private static void drawtriangle(GL gl, int i, float[][] data, int[][] ndx, int shadeType) {
- float[] x0 = data[ndx[i][0]];
- float[] x1 = data[ndx[i][1]];
- float[] x2 = data[ndx[i][2]];
- subdivide(gl, x0, x1, x2, shadeType);
- }
-
- /* octahedron data: The octahedron produced is centered at the
- origin and has radius 1.0 */
- private static final float[][] odata =
- {
- {1.0f, 0.0f, 0.0f},
- {-1.0f, 0.0f, 0.0f},
- {0.0f, 1.0f, 0.0f},
- {0.0f, -1.0f, 0.0f},
- {0.0f, 0.0f, 1.0f},
- {0.0f, 0.0f, -1.0f}
- };
-
- private static final int[][] ondex =
- {
- {0, 4, 2},
- {1, 2, 4},
- {0, 3, 4},
- {1, 4, 3},
- {0, 2, 5},
- {1, 5, 2},
- {0, 5, 3},
- {1, 3, 5}
- };
-
- private static void octahedron(GL gl, int shadeType) {
- int i;
-
- for (i = 7; i >= 0; i--) {
- drawtriangle(gl, i, odata, ondex, shadeType);
- }
- }
-
- /* icosahedron data: These numbers are rigged to make an
- icosahedron of radius 1.0 */
-
- private static final float X = .525731112119133606f;
- private static final float Z = .850650808352039932f;
-
- private static final float[][] idata =
- {
- {-X, 0, Z},
- {X, 0, Z},
- {-X, 0, -Z},
- {X, 0, -Z},
- {0, Z, X},
- {0, Z, -X},
- {0, -Z, X},
- {0, -Z, -X},
- {Z, X, 0},
- {-Z, X, 0},
- {Z, -X, 0},
- {-Z, -X, 0}
- };
-
- private static final int[][] index =
- {
- {0, 4, 1},
- {0, 9, 4},
- {9, 5, 4},
- {4, 5, 8},
- {4, 8, 1},
- {8, 10, 1},
- {8, 3, 10},
- {5, 3, 8},
- {5, 2, 3},
- {2, 7, 3},
- {7, 10, 3},
- {7, 6, 10},
- {7, 11, 6},
- {11, 0, 6},
- {0, 1, 6},
- {6, 1, 10},
- {9, 0, 11},
- {9, 11, 2},
- {9, 2, 5},
- {7, 2, 11},
- };
-
- private static void icosahedron(GL gl, int shadeType) {
- int i;
-
- for (i = 19; i >= 0; i--) {
- drawtriangle(gl, i, idata, index, shadeType);
- }
- }
-
- /* tetrahedron data: */
-
- private static final float T = 1.73205080756887729f;
-
- private static final float[][] tdata =
- {
- {T, T, T},
- {T, -T, -T},
- {-T, T, -T},
- {-T, -T, T}
- };
-
- private static final int[][] tndex =
- {
- {0, 1, 3},
- {2, 1, 0},
- {3, 2, 0},
- {1, 2, 3}
- };
-
- private static final void tetrahedron(GL gl, int shadeType) {
- for (int i = 3; i >= 0; i--)
- drawtriangle(gl, i, tdata, tndex, shadeType);
- }
-
- //----------------------------------------------------------------------
- // Font implementation
- //
-
- private static void bitmapCharacterImpl(GL gl, int font, char cin) {
- BitmapFontRec fontinfo = getBitmapFont(font);
- int c = cin & 0xFFFF;
- if (c < fontinfo.first ||
- c >= fontinfo.first + fontinfo.num_chars)
- return;
- BitmapCharRec ch = fontinfo.ch[c - fontinfo.first];
- if (ch != null) {
- gl.glBitmap(ch.width, ch.height, ch.xorig, ch.yorig,
- ch.advance, 0, ch.bitmap);
- }
- }
-
- private static final BitmapFontRec[] bitmapFonts = new BitmapFontRec[9];
- private static final StrokeFontRec[] strokeFonts = new StrokeFontRec[9];
-
- private static BitmapFontRec getBitmapFont(int font) {
- BitmapFontRec rec = bitmapFonts[font];
- if (rec == null) {
- switch (font) {
- case BITMAP_9_BY_15:
- rec = GLUTBitmap9x15.glutBitmap9By15;
- break;
- case BITMAP_8_BY_13:
- rec = GLUTBitmap8x13.glutBitmap8By13;
- break;
- case BITMAP_TIMES_ROMAN_10:
- rec = GLUTBitmapTimesRoman10.glutBitmapTimesRoman10;
- break;
- case BITMAP_TIMES_ROMAN_24:
- rec = GLUTBitmapTimesRoman24.glutBitmapTimesRoman24;
- break;
- case BITMAP_HELVETICA_10:
- rec = GLUTBitmapHelvetica10.glutBitmapHelvetica10;
- break;
- case BITMAP_HELVETICA_12:
- rec = GLUTBitmapHelvetica12.glutBitmapHelvetica12;
- break;
- case BITMAP_HELVETICA_18:
- rec = GLUTBitmapHelvetica18.glutBitmapHelvetica18;
- break;
- default:
- throw new GLException("Unknown bitmap font number " + font);
- }
- bitmapFonts[font] = rec;
- }
- return rec;
- }
-
- private static StrokeFontRec getStrokeFont(int font) {
- StrokeFontRec rec = strokeFonts[font];
- if (rec == null) {
- switch (font) {
- case STROKE_ROMAN:
- rec = GLUTStrokeRoman.glutStrokeRoman;
- break;
- case STROKE_MONO_ROMAN:
- rec = GLUTStrokeMonoRoman.glutStrokeMonoRoman;
- break;
- default:
- throw new GLException("Unknown stroke font number " + font);
- }
- }
- return rec;
- }
-
- private static void beginBitmap(GL gl,
- int[] swapbytes,
- int[] lsbfirst,
- int[] rowlength,
- int[] skiprows,
- int[] skippixels,
- int[] alignment) {
- gl.glGetIntegerv(GL.GL_UNPACK_SWAP_BYTES, swapbytes);
- gl.glGetIntegerv(GL.GL_UNPACK_LSB_FIRST, lsbfirst);
- gl.glGetIntegerv(GL.GL_UNPACK_ROW_LENGTH, rowlength);
- gl.glGetIntegerv(GL.GL_UNPACK_SKIP_ROWS, skiprows);
- gl.glGetIntegerv(GL.GL_UNPACK_SKIP_PIXELS, skippixels);
- gl.glGetIntegerv(GL.GL_UNPACK_ALIGNMENT, alignment);
- /* Little endian machines (DEC Alpha for example) could
- benefit from setting GL_UNPACK_LSB_FIRST to GL_TRUE
- instead of GL_FALSE, but this would require changing the
- generated bitmaps too. */
- gl.glPixelStorei(GL.GL_UNPACK_SWAP_BYTES, GL.GL_FALSE);
- gl.glPixelStorei(GL.GL_UNPACK_LSB_FIRST, GL.GL_FALSE);
- gl.glPixelStorei(GL.GL_UNPACK_ROW_LENGTH, 0);
- gl.glPixelStorei(GL.GL_UNPACK_SKIP_ROWS, 0);
- gl.glPixelStorei(GL.GL_UNPACK_SKIP_PIXELS, 0);
- gl.glPixelStorei(GL.GL_UNPACK_ALIGNMENT, 1);
- }
-
- private static void endBitmap(GL gl,
- int[] swapbytes,
- int[] lsbfirst,
- int[] rowlength,
- int[] skiprows,
- int[] skippixels,
- int[] alignment) {
- /* Restore saved modes. */
- gl.glPixelStorei(GL.GL_UNPACK_SWAP_BYTES, swapbytes[0]);
- gl.glPixelStorei(GL.GL_UNPACK_LSB_FIRST, lsbfirst[0]);
- gl.glPixelStorei(GL.GL_UNPACK_ROW_LENGTH, rowlength[0]);
- gl.glPixelStorei(GL.GL_UNPACK_SKIP_ROWS, skiprows[0]);
- gl.glPixelStorei(GL.GL_UNPACK_SKIP_PIXELS, skippixels[0]);
- gl.glPixelStorei(GL.GL_UNPACK_ALIGNMENT, alignment[0]);
- }
-}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-12 20:21:18 +0000