diff options
author | Kenneth Russel <[email protected]> | 2009-06-15 23:12:27 +0000 |
---|---|---|
committer | Kenneth Russel <[email protected]> | 2009-06-15 23:12:27 +0000 |
commit | 41cd6c47b23975098cd155517790e018670785e7 (patch) | |
tree | 247333528ad674d427ba96b1e05810f7961d609e /src/demos/util/Triceratops.java | |
parent | 935d2596c13371bb745d921dbcb9f05b0c11a010 (diff) |
Copied JOGL_2_SANDBOX r350 on to trunk; JOGL_2_SANDBOX branch is now closed
git-svn-id: file:///usr/local/projects/SUN/JOGL/git-svn/../svn-server-sync/jogl-demos/trunk@352 3298f667-5e0e-4b4a-8ed4-a3559d26a5f4
Diffstat (limited to 'src/demos/util/Triceratops.java')
-rw-r--r-- | src/demos/util/Triceratops.java | 144 |
1 files changed, 144 insertions, 0 deletions
diff --git a/src/demos/util/Triceratops.java b/src/demos/util/Triceratops.java new file mode 100644 index 0000000..ca0221d --- /dev/null +++ b/src/demos/util/Triceratops.java @@ -0,0 +1,144 @@ +/* + * 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 + * 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 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 demos.util; + +import java.io.BufferedReader; +import java.io.IOException; +import java.io.InputStreamReader; +import java.io.Reader; +import java.io.StreamTokenizer; +import javax.media.opengl.GL; +import javax.media.opengl.GL2ES1; +import javax.media.opengl.GL2; + + + +/** Renders a triceratops. <P> + + Copyright by Thomas Baier ([email protected])<br> + Created by OpenGL Export Plugin 1.0 at Fri Oct 27 22:04:55 2000<br> + OpenGL-Structure <br><p> + + Ported to Java by Kenneth Russell +*/ +public class Triceratops { + + /** Draws the triceratops object. Callers should capture the result + in a display list. */ + public static void drawObject(GL2 gl) throws IOException { + Reader reader = new BufferedReader(new InputStreamReader( + Triceratops.class.getClassLoader().getResourceAsStream("demos/data/models/triceratops.txt"))); + StreamTokenizer tok = new StreamTokenizer(reader); + // Reset tokenizer's syntax so numbers are not parsed + tok.resetSyntax(); + tok.wordChars('a', 'z'); + tok.wordChars('A', 'Z'); + tok.wordChars('0', '9'); + tok.wordChars('-', '-'); + tok.wordChars('.', '.'); + tok.wordChars(128 + 32, 255); + tok.whitespaceChars(0, ' '); + tok.whitespaceChars(',', ','); + tok.whitespaceChars('{', '{'); + tok.whitespaceChars('}', '}'); + tok.commentChar('/'); + tok.quoteChar('"'); + tok.quoteChar('\''); + tok.slashSlashComments(true); + tok.slashStarComments(true); + + // Read in file + int numVertices = nextInt(tok, "number of vertices"); + float[] vertices = new float[numVertices * 3]; + for (int i = 0; i < numVertices * 3; i++) { + vertices[i] = nextFloat(tok, "vertex"); + } + int numNormals = nextInt(tok, "number of normals"); + float[] normals = new float[numNormals * 3]; + for (int i = 0; i < numNormals * 3; i++) { + normals[i] = nextFloat(tok, "normal"); + } + int numFaceIndices = nextInt(tok, "number of face indices"); + short[] faceIndices = new short[numFaceIndices * 9]; + for (int i = 0; i < numFaceIndices * 9; i++) { + faceIndices[i] = (short) nextInt(tok, "face index"); + } + + reader.close(); + + float sf = 0.1f; + gl.glBegin(GL2.GL_TRIANGLES); + for (int i = 0; i < faceIndices.length; i += 9) { + for (int j = 0; j < 3; j++) { + int vi = faceIndices[i + j ] & 0xFFFF; + int ni = faceIndices[i + j + 3] & 0xFFFF; + gl.glNormal3f(normals[3 * ni], + normals[3 * ni + 1], + normals[3 * ni + 2]); + gl.glVertex3f(sf * vertices[3 * vi], + sf * vertices[3 * vi + 1], + sf * vertices[3 * vi + 2]); + } + } + gl.glEnd(); + } + + private static int nextInt(StreamTokenizer tok, String error) throws IOException { + if (tok.nextToken() != StreamTokenizer.TT_WORD) { + throw new IOException("Parse error reading " + error + " at line " + tok.lineno()); + } + try { + return Integer.parseInt(tok.sval); + } catch (NumberFormatException e) { + throw new IOException("Parse error reading " + error + " at line " + tok.lineno()); + } + } + + private static float nextFloat(StreamTokenizer tok, String error) throws IOException { + if (tok.nextToken() != StreamTokenizer.TT_WORD) { + throw new IOException("Parse error reading " + error + " at line " + tok.lineno()); + } + try { + return Float.parseFloat(tok.sval); + } catch (NumberFormatException e) { + throw new IOException("Parse error reading " + error + " at line " + tok.lineno()); + } + } +} |