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From: <ma...@us...> - 2007-06-10 20:28:52
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Revision: 2847
http://svn.sourceforge.net/java-game-lib/?rev=2847&view=rev
Author: matzon
Date: 2007-06-10 13:28:49 -0700 (Sun, 10 Jun 2007)
Log Message:
-----------
split gears implementation into own canvas, to be reused
Modified Paths:
--------------
trunk/LWJGL/src/java/org/lwjgl/test/opengl/awt/AWTGears.java
Added Paths:
-----------
trunk/LWJGL/src/java/org/lwjgl/test/opengl/awt/AWTGearsCanvas.java
Modified: trunk/LWJGL/src/java/org/lwjgl/test/opengl/awt/AWTGears.java
===================================================================
--- trunk/LWJGL/src/java/org/lwjgl/test/opengl/awt/AWTGears.java 2007-06-06 13:56:03 UTC (rev 2846)
+++ trunk/LWJGL/src/java/org/lwjgl/test/opengl/awt/AWTGears.java 2007-06-10 20:28:49 UTC (rev 2847)
@@ -78,67 +78,7 @@
setTitle("Gears");
setSize(300, 300);
setBackground(Color.BLACK);
- add(canvas0 = new AWTGLCanvas() {
- long startTime = 0;
- long fps = 0;
- int current_width;
- int current_height;
- public void paintGL() {
-
- if(startTime == 0) {
- setup();
- startTime = System.currentTimeMillis() + 5000;
- }
-
- try {
- angle += 2.0f;
- if (getWidth() != current_width || getHeight() != current_height) {
- current_width = getWidth();
- current_height = getHeight();
- GL11.glViewport(0, 0, current_width, current_height);
- }
- GL11.glClear(GL11.GL_COLOR_BUFFER_BIT | GL11.GL_DEPTH_BUFFER_BIT);
-
- GL11.glPushMatrix();
- GL11.glRotatef(view_rotx, 1.0f, 0.0f, 0.0f);
- GL11.glRotatef(view_roty, 0.0f, 1.0f, 0.0f);
- GL11.glRotatef(view_rotz, 0.0f, 0.0f, 1.0f);
-
- GL11.glPushMatrix();
- GL11.glTranslatef(-3.0f, -2.0f, 0.0f);
- GL11.glRotatef(angle, 0.0f, 0.0f, 1.0f);
- GL11.glCallList(gear1);
- GL11.glPopMatrix();
-
- GL11.glPushMatrix();
- GL11.glTranslatef(3.1f, -2.0f, 0.0f);
- GL11.glRotatef(-2.0f * angle - 9.0f, 0.0f, 0.0f, 1.0f);
- GL11.glCallList(gear2);
- GL11.glPopMatrix();
-
- GL11.glPushMatrix();
- GL11.glTranslatef(-3.1f, 4.2f, 0.0f);
- GL11.glRotatef(-2.0f * angle - 25.0f, 0.0f, 0.0f, 1.0f);
- GL11.glCallList(gear3);
- GL11.glPopMatrix();
-
- GL11.glPopMatrix();
- swapBuffers();
- repaint();
- } catch (LWJGLException e) {
- throw new RuntimeException(e);
- }
- if (startTime > System.currentTimeMillis()) {
- fps++;
- } else {
- long timeUsed = 5000 + (startTime - System.currentTimeMillis());
- startTime = System.currentTimeMillis() + 5000;
- System.out.println(fps + " frames in " + (float) (timeUsed / 1000f) + " seconds = "
- + (fps / (timeUsed / 1000f)));
- fps = 0;
- }
- }
- });
+ add(new AWTGearsCanvas());
addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) {
dispose();
Added: trunk/LWJGL/src/java/org/lwjgl/test/opengl/awt/AWTGearsCanvas.java
===================================================================
--- trunk/LWJGL/src/java/org/lwjgl/test/opengl/awt/AWTGearsCanvas.java (rev 0)
+++ trunk/LWJGL/src/java/org/lwjgl/test/opengl/awt/AWTGearsCanvas.java 2007-06-10 20:28:49 UTC (rev 2847)
@@ -0,0 +1,325 @@
+/*
+ * Copyright (c) 2002-2005 LWJGL Project
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * * Redistributions 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 'LWJGL' nor the names of
+ * its contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+package org.lwjgl.test.opengl.awt;
+
+import java.nio.FloatBuffer;
+
+import org.lwjgl.BufferUtils;
+import org.lwjgl.LWJGLException;
+import org.lwjgl.opengl.ARBTransposeMatrix;
+import org.lwjgl.opengl.AWTGLCanvas;
+import org.lwjgl.opengl.GL11;
+import org.lwjgl.opengl.GLContext;
+import org.lwjgl.test.applet.Test;
+
+/**
+ * <p>
+ * AWT version of the gears demo
+ * <p>
+ * @version $Revision$
+ * @author Brian Matzon <br...@ma...>
+ * $Id$
+ */
+public class AWTGearsCanvas extends AWTGLCanvas implements Test {
+
+ private float view_rotx = 20.0f;
+
+ private float view_roty = 30.0f;
+
+ private float view_rotz = 0.0f;
+
+ private int gear1;
+
+ private int gear2;
+
+ private int gear3;
+
+ private float angle = 0.0f;
+
+ long startTime = 0;
+ long fps = 0;
+ int current_width;
+ int current_height;
+
+ /**
+ * C'tor
+ */
+ public AWTGearsCanvas() throws LWJGLException {
+ super();
+ }
+
+ public void paintGL() {
+
+ if(startTime == 0) {
+ setup();
+ startTime = System.currentTimeMillis() + 5000;
+ }
+
+ try {
+ angle += 2.0f;
+ if (getWidth() != current_width || getHeight() != current_height) {
+ current_width = getWidth();
+ current_height = getHeight();
+ GL11.glViewport(0, 0, current_width, current_height);
+ }
+ GL11.glClear(GL11.GL_COLOR_BUFFER_BIT | GL11.GL_DEPTH_BUFFER_BIT);
+
+ GL11.glPushMatrix();
+ GL11.glRotatef(view_rotx, 1.0f, 0.0f, 0.0f);
+ GL11.glRotatef(view_roty, 0.0f, 1.0f, 0.0f);
+ GL11.glRotatef(view_rotz, 0.0f, 0.0f, 1.0f);
+
+ GL11.glPushMatrix();
+ GL11.glTranslatef(-3.0f, -2.0f, 0.0f);
+ GL11.glRotatef(angle, 0.0f, 0.0f, 1.0f);
+ GL11.glCallList(gear1);
+ GL11.glPopMatrix();
+
+ GL11.glPushMatrix();
+ GL11.glTranslatef(3.1f, -2.0f, 0.0f);
+ GL11.glRotatef(-2.0f * angle - 9.0f, 0.0f, 0.0f, 1.0f);
+ GL11.glCallList(gear2);
+ GL11.glPopMatrix();
+
+ GL11.glPushMatrix();
+ GL11.glTranslatef(-3.1f, 4.2f, 0.0f);
+ GL11.glRotatef(-2.0f * angle - 25.0f, 0.0f, 0.0f, 1.0f);
+ GL11.glCallList(gear3);
+ GL11.glPopMatrix();
+
+ GL11.glPopMatrix();
+ swapBuffers();
+ repaint();
+ } catch (LWJGLException e) {
+ throw new RuntimeException(e);
+ }
+ if (startTime > System.currentTimeMillis()) {
+ fps++;
+ } else {
+ long timeUsed = 5000 + (startTime - System.currentTimeMillis());
+ startTime = System.currentTimeMillis() + 5000;
+ System.out.println(fps + " frames in " + (float) (timeUsed / 1000f) + " seconds = "
+ + (fps / (timeUsed / 1000f)));
+ fps = 0;
+ }
+ }
+
+ private void setup() {
+ // setup ogl
+ FloatBuffer pos = BufferUtils.createFloatBuffer(4).put(new float[] { 5.0f, 5.0f, 10.0f, 0.0f});
+ FloatBuffer red = BufferUtils.createFloatBuffer(4).put(new float[] { 0.8f, 0.1f, 0.0f, 1.0f});
+ FloatBuffer green = BufferUtils.createFloatBuffer(4).put(new float[] { 0.0f, 0.8f, 0.2f, 1.0f});
+ FloatBuffer blue = BufferUtils.createFloatBuffer(4).put(new float[] { 0.2f, 0.2f, 1.0f, 1.0f});
+ pos.flip();
+ red.flip();
+ green.flip();
+ blue.flip();
+
+ GL11.glLight(GL11.GL_LIGHT0, GL11.GL_POSITION, pos);
+ GL11.glEnable(GL11.GL_CULL_FACE);
+ GL11.glEnable(GL11.GL_LIGHTING);
+ GL11.glEnable(GL11.GL_LIGHT0);
+ GL11.glEnable(GL11.GL_DEPTH_TEST);
+
+ /* make the gears */
+ gear1 = GL11.glGenLists(1);
+ GL11.glNewList(gear1, GL11.GL_COMPILE);
+ GL11.glMaterial(GL11.GL_FRONT, GL11.GL_AMBIENT_AND_DIFFUSE, red);
+ gear(1.0f, 4.0f, 1.0f, 20, 0.7f);
+ GL11.glEndList();
+
+ gear2 = GL11.glGenLists(1);
+ GL11.glNewList(gear2, GL11.GL_COMPILE);
+ GL11.glMaterial(GL11.GL_FRONT, GL11.GL_AMBIENT_AND_DIFFUSE, green);
+ gear(0.5f, 2.0f, 2.0f, 10, 0.7f);
+ GL11.glEndList();
+
+ gear3 = GL11.glGenLists(1);
+ GL11.glNewList(gear3, GL11.GL_COMPILE);
+ GL11.glMaterial(GL11.GL_FRONT, GL11.GL_AMBIENT_AND_DIFFUSE, blue);
+ gear(1.3f, 2.0f, 0.5f, 10, 0.7f);
+ GL11.glEndList();
+
+ GL11.glEnable(GL11.GL_NORMALIZE);
+
+ GL11.glMatrixMode(GL11.GL_PROJECTION);
+
+ System.err.println("GL_VENDOR: " + GL11.glGetString(GL11.GL_VENDOR));
+ System.err.println("GL_RENDERER: " + GL11.glGetString(GL11.GL_RENDERER));
+ System.err.println("GL_VERSION: " + GL11.glGetString(GL11.GL_VERSION));
+ System.err.println();
+ System.err.println("glLoadTransposeMatrixfARB() supported: " + GLContext.getCapabilities().GL_ARB_transpose_matrix);
+ if (!GLContext.getCapabilities().GL_ARB_transpose_matrix) {
+ // --- not using extensions
+ GL11.glLoadIdentity();
+ } else {
+ // --- using extensions
+ final FloatBuffer identityTranspose = BufferUtils.createFloatBuffer(16).put(
+ new float[] { 1, 0, 0, 0, 0, 1, 0, 0,
+ 0, 0, 1, 0, 0, 0, 0, 1});
+ identityTranspose.flip();
+ ARBTransposeMatrix.glLoadTransposeMatrixARB(identityTranspose);
+ }
+
+ float h = (float) 300 / (float) 300;
+ GL11.glFrustum(-1.0f, 1.0f, -h, h, 5.0f, 60.0f);
+ GL11.glMatrixMode(GL11.GL_MODELVIEW);
+ GL11.glLoadIdentity();
+ GL11.glTranslatef(0.0f, 0.0f, -40.0f);
+ }
+
+ /**
+ * Draw a gear wheel. You'll probably want to call this function when
+ * building a display list since we do a lot of trig here.
+ *
+ * @param inner_radius radius of hole at center
+ * @param outer_radius radius at center of teeth
+ * @param width width of gear
+ * @param teeth number of teeth
+ * @param tooth_depth depth of tooth
+ */
+ private void gear(float inner_radius, float outer_radius, float width, int teeth, float tooth_depth) {
+ int i;
+ float r0, r1, r2;
+ float angle, da;
+ float u, v, len;
+
+ r0 = inner_radius;
+ r1 = outer_radius - tooth_depth / 2.0f;
+ r2 = outer_radius + tooth_depth / 2.0f;
+
+ da = 2.0f * (float) Math.PI / teeth / 4.0f;
+
+ GL11.glShadeModel(GL11.GL_FLAT);
+
+ GL11.glNormal3f(0.0f, 0.0f, 1.0f);
+
+ /* draw front face */
+ GL11.glBegin(GL11.GL_QUAD_STRIP);
+ for (i = 0; i <= teeth; i++) {
+ angle = i * 2.0f * (float) Math.PI / teeth;
+ GL11.glVertex3f(r0 * (float) Math.cos(angle), r0 * (float) Math.sin(angle), width * 0.5f);
+ GL11.glVertex3f(r1 * (float) Math.cos(angle), r1 * (float) Math.sin(angle), width * 0.5f);
+ if (i < teeth) {
+ GL11.glVertex3f(r0 * (float) Math.cos(angle), r0 * (float) Math.sin(angle), width * 0.5f);
+ GL11.glVertex3f(r1 * (float) Math.cos(angle + 3.0f * da), r1 * (float) Math.sin(angle + 3.0f * da),
+ width * 0.5f);
+ }
+ }
+ GL11.glEnd();
+
+ /* draw front sides of teeth */
+ GL11.glBegin(GL11.GL_QUADS);
+ for (i = 0; i < teeth; i++) {
+ angle = i * 2.0f * (float) Math.PI / teeth;
+ GL11.glVertex3f(r1 * (float) Math.cos(angle), r1 * (float) Math.sin(angle), width * 0.5f);
+ GL11.glVertex3f(r2 * (float) Math.cos(angle + da), r2 * (float) Math.sin(angle + da), width * 0.5f);
+ GL11.glVertex3f(r2 * (float) Math.cos(angle + 2.0f * da), r2 * (float) Math.sin(angle + 2.0f * da), width * 0.5f);
+ GL11.glVertex3f(r1 * (float) Math.cos(angle + 3.0f * da), r1 * (float) Math.sin(angle + 3.0f * da), width * 0.5f);
+ }
+ GL11.glEnd();
+
+ /* draw back face */
+ GL11.glBegin(GL11.GL_QUAD_STRIP);
+ for (i = 0; i <= teeth; i++) {
+ angle = i * 2.0f * (float) Math.PI / teeth;
+ GL11.glVertex3f(r1 * (float) Math.cos(angle), r1 * (float) Math.sin(angle), -width * 0.5f);
+ GL11.glVertex3f(r0 * (float) Math.cos(angle), r0 * (float) Math.sin(angle), -width * 0.5f);
+ GL11.glVertex3f(r1 * (float) Math.cos(angle + 3 * da), r1 * (float) Math.sin(angle + 3 * da), -width * 0.5f);
+ GL11.glVertex3f(r0 * (float) Math.cos(angle), r0 * (float) Math.sin(angle), -width * 0.5f);
+ }
+ GL11.glEnd();
+
+ /* draw back sides of teeth */
+ GL11.glBegin(GL11.GL_QUADS);
+ for (i = 0; i < teeth; i++) {
+ angle = i * 2.0f * (float) Math.PI / teeth;
+ GL11.glVertex3f(r1 * (float) Math.cos(angle + 3 * da), r1 * (float) Math.sin(angle + 3 * da), -width * 0.5f);
+ GL11.glVertex3f(r2 * (float) Math.cos(angle + 2 * da), r2 * (float) Math.sin(angle + 2 * da), -width * 0.5f);
+ GL11.glVertex3f(r2 * (float) Math.cos(angle + da), r2 * (float) Math.sin(angle + da), -width * 0.5f);
+ GL11.glVertex3f(r1 * (float) Math.cos(angle), r1 * (float) Math.sin(angle), -width * 0.5f);
+ }
+ GL11.glEnd();
+
+ /* draw outward faces of teeth */
+ GL11.glBegin(GL11.GL_QUAD_STRIP);
+ for (i = 0; i < teeth; i++) {
+ angle = i * 2.0f * (float) Math.PI / teeth;
+ GL11.glVertex3f(r1 * (float) Math.cos(angle), r1 * (float) Math.sin(angle), width * 0.5f);
+ GL11.glVertex3f(r1 * (float) Math.cos(angle), r1 * (float) Math.sin(angle), -width * 0.5f);
+ u = r2 * (float) Math.cos(angle + da) - r1 * (float) Math.cos(angle);
+ v = r2 * (float) Math.sin(angle + da) - r1 * (float) Math.sin(angle);
+ len = (float) Math.sqrt(u * u + v * v);
+ u /= len;
+ v /= len;
+ GL11.glNormal3f(v, -u, 0.0f);
+ GL11.glVertex3f(r2 * (float) Math.cos(angle + da), r2 * (float) Math.sin(angle + da), width * 0.5f);
+ GL11.glVertex3f(r2 * (float) Math.cos(angle + da), r2 * (float) Math.sin(angle + da), -width * 0.5f);
+ GL11.glNormal3f((float) Math.cos(angle), (float) Math.sin(angle), 0.0f);
+ GL11.glVertex3f(r2 * (float) Math.cos(angle + 2 * da), r2 * (float) Math.sin(angle + 2 * da), width * 0.5f);
+ GL11.glVertex3f(r2 * (float) Math.cos(angle + 2 * da), r2 * (float) Math.sin(angle + 2 * da), -width * 0.5f);
+ u = r1 * (float) Math.cos(angle + 3 * da) - r2 * (float) Math.cos(angle + 2 * da);
+ v = r1 * (float) Math.sin(angle + 3 * da) - r2 * (float) Math.sin(angle + 2 * da);
+ GL11.glNormal3f(v, -u, 0.0f);
+ GL11.glVertex3f(r1 * (float) Math.cos(angle + 3 * da), r1 * (float) Math.sin(angle + 3 * da), width * 0.5f);
+ GL11.glVertex3f(r1 * (float) Math.cos(angle + 3 * da), r1 * (float) Math.sin(angle + 3 * da), -width * 0.5f);
+ GL11.glNormal3f((float) Math.cos(angle), (float) Math.sin(angle), 0.0f);
+ }
+ GL11.glVertex3f(r1 * (float) Math.cos(0), r1 * (float) Math.sin(0), width * 0.5f);
+ GL11.glVertex3f(r1 * (float) Math.cos(0), r1 * (float) Math.sin(0), -width * 0.5f);
+ GL11.glEnd();
+
+ GL11.glShadeModel(GL11.GL_SMOOTH);
+
+ /* draw inside radius cylinder */
+ GL11.glBegin(GL11.GL_QUAD_STRIP);
+ for (i = 0; i <= teeth; i++) {
+ angle = i * 2.0f * (float) Math.PI / teeth;
+ GL11.glNormal3f(-(float) Math.cos(angle), -(float) Math.sin(angle), 0.0f);
+ GL11.glVertex3f(r0 * (float) Math.cos(angle), r0 * (float) Math.sin(angle), -width * 0.5f);
+ GL11.glVertex3f(r0 * (float) Math.cos(angle), r0 * (float) Math.sin(angle), width * 0.5f);
+ }
+ GL11.glEnd();
+ }
+
+ /*
+ * @see org.lwjgl.test.applet.Test#start()
+ */
+ public void start() {
+ }
+
+ /*
+ * @see org.lwjgl.test.applet.Test#stop()
+ */
+ public void stop() {
+ }
+}
\ No newline at end of file
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