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

1 files changed, 339 insertions, 0 deletions

diff --git a/src/demos/gears/Gears.java b/src/demos/gears/Gears.java
new file mode 100644
index 0000000..2107014
--- /dev/null
+++ b/src/demos/gears/Gears.java
@@ -0,0 +1,339 @@
+package demos.gears;
+
+import java.awt.Dimension;
+import java.awt.Frame;
+import java.awt.event.MouseEvent;
+import java.awt.event.MouseListener;
+import java.awt.event.MouseMotionListener;
+import java.awt.event.WindowAdapter;
+import java.awt.event.WindowEvent;
+import javax.media.opengl.GL;
+import javax.media.opengl.GL2ES1;
+import javax.media.opengl.GL2;
+import javax.media.opengl.GLAutoDrawable;
+import javax.media.opengl.GLEventListener;
+import javax.media.opengl.awt.AWTGLAutoDrawable;
+import javax.media.opengl.awt.GLCanvas;
+import javax.media.opengl.awt.GLJPanel;
+import com.sun.opengl.util.Animator;
+
+/**
+ * Gears.java <BR>
+ * author: Brian Paul (converted to Java by Ron Cemer and Sven Goethel) <P>
+ *
+ * This version is equal to Brian Paul's version 1.2 1999/10/21
+ */
+
+public class Gears implements GLEventListener, MouseListener, MouseMotionListener {
+  public static void main(String[] args) {
+    Frame frame = new Frame("Gear Demo");
+    GLCanvas canvas = new GLCanvas();
+
+    final Gears gears = new Gears();
+    canvas.addGLEventListener(gears);
+
+    frame.add(canvas);
+    frame.setSize(300, 300);
+    final Animator animator = new Animator(canvas);
+    frame.addWindowListener(new WindowAdapter() {
+        public void windowClosing(WindowEvent e) {
+          // Run this on another thread than the AWT event queue to
+          // make sure the call to Animator.stop() completes before
+          // exiting
+          new Thread(new Runnable() {
+              public void run() {
+                animator.stop();
+                System.exit(0);
+              }
+            }).start();
+        }
+      });
+    frame.setVisible(true);
+    animator.start();
+  }
+
+  private float view_rotx = 20.0f, view_roty = 30.0f, view_rotz = 0.0f;
+  private int gear1, gear2, gear3;
+  private float angle = 0.0f;
+
+  private int prevMouseX, prevMouseY;
+  private boolean mouseRButtonDown = false;
+
+  public void init(GLAutoDrawable drawable) {
+    // Use debug pipeline
+    // drawable.setGL(new DebugGL(drawable.getGL()));
+
+    GL2 gl = drawable.getGL().getGL2();
+
+    System.err.println("INIT GL IS: " + gl.getClass().getName());
+
+    System.err.println("Chosen GLCapabilities: " + drawable.getChosenGLCapabilities());
+
+    gl.setSwapInterval(1);
+
+    float pos[] = { 5.0f, 5.0f, 10.0f, 0.0f };
+    float red[] = { 0.8f, 0.1f, 0.0f, 1.0f };
+    float green[] = { 0.0f, 0.8f, 0.2f, 1.0f };
+    float blue[] = { 0.2f, 0.2f, 1.0f, 1.0f };
+
+    gl.glLightfv(GL2.GL_LIGHT0, GL2.GL_POSITION, pos, 0);
+    gl.glEnable(GL2.GL_CULL_FACE);
+    gl.glEnable(GL2.GL_LIGHTING);
+    gl.glEnable(GL2.GL_LIGHT0);
+    gl.glEnable(GL2.GL_DEPTH_TEST);
+            
+    /* make the gears */
+    gear1 = gl.glGenLists(1);
+    gl.glNewList(gear1, GL2.GL_COMPILE);
+    gl.glMaterialfv(GL2.GL_FRONT, GL2.GL_AMBIENT_AND_DIFFUSE, red, 0);
+    gear(gl, 1.0f, 4.0f, 1.0f, 20, 0.7f);
+    gl.glEndList();
+            
+    gear2 = gl.glGenLists(1);
+    gl.glNewList(gear2, GL2.GL_COMPILE);
+    gl.glMaterialfv(GL2.GL_FRONT, GL2.GL_AMBIENT_AND_DIFFUSE, green, 0);
+    gear(gl, 0.5f, 2.0f, 2.0f, 10, 0.7f);
+    gl.glEndList();
+            
+    gear3 = gl.glGenLists(1);
+    gl.glNewList(gear3, GL2.GL_COMPILE);
+    gl.glMaterialfv(GL2.GL_FRONT, GL2.GL_AMBIENT_AND_DIFFUSE, blue, 0);
+    gear(gl, 1.3f, 2.0f, 0.5f, 10, 0.7f);
+    gl.glEndList();
+            
+    gl.glEnable(GL2.GL_NORMALIZE);
+                
+    if (drawable instanceof AWTGLAutoDrawable) {
+        AWTGLAutoDrawable awtDrawable = (AWTGLAutoDrawable) drawable;
+        awtDrawable.addMouseListener(this);
+        awtDrawable.addMouseMotionListener(this);
+    }
+  }
+    
+  public void reshape(GLAutoDrawable drawable, int x, int y, int width, int height) {
+    GL2 gl = drawable.getGL().getGL2();
+
+    float h = (float)height / (float)width;
+            
+    gl.glMatrixMode(GL2.GL_PROJECTION);
+
+    System.err.println("GL_VENDOR: " + gl.glGetString(GL2.GL_VENDOR));
+    System.err.println("GL_RENDERER: " + gl.glGetString(GL2.GL_RENDERER));
+    System.err.println("GL_VERSION: " + gl.glGetString(GL2.GL_VERSION));
+    gl.glLoadIdentity();
+    gl.glFrustum(-1.0f, 1.0f, -h, h, 5.0f, 60.0f);
+    gl.glMatrixMode(GL2.GL_MODELVIEW);
+    gl.glLoadIdentity();
+    gl.glTranslatef(0.0f, 0.0f, -40.0f);
+  }
+
+  public void dispose(GLAutoDrawable drawable) {
+    System.out.println("Gears.dispose: "+drawable);
+  }
+
+  public void display(GLAutoDrawable drawable) {
+    // Turn the gears' teeth
+    angle += 2.0f;
+
+    // Get the GL corresponding to the drawable we are animating
+    GL2 gl = drawable.getGL().getGL2();
+
+    // Special handling for the case where the GLJPanel is translucent
+    // and wants to be composited with other Java 2D content
+    if ((drawable instanceof GLJPanel) &&
+        !((GLJPanel) drawable).isOpaque() &&
+        ((GLJPanel) drawable).shouldPreserveColorBufferIfTranslucent()) {
+      gl.glClear(GL2.GL_DEPTH_BUFFER_BIT);
+    } else {
+      gl.glClear(GL2.GL_COLOR_BUFFER_BIT | GL2.GL_DEPTH_BUFFER_BIT);
+    }
+            
+    // Rotate the entire assembly of gears based on how the user
+    // dragged the mouse around
+    gl.glPushMatrix();
+    gl.glRotatef(view_rotx, 1.0f, 0.0f, 0.0f);
+    gl.glRotatef(view_roty, 0.0f, 1.0f, 0.0f);
+    gl.glRotatef(view_rotz, 0.0f, 0.0f, 1.0f);
+            
+    // Place the first gear and call its display list
+    gl.glPushMatrix();
+    gl.glTranslatef(-3.0f, -2.0f, 0.0f);
+    gl.glRotatef(angle, 0.0f, 0.0f, 1.0f);
+    gl.glCallList(gear1);
+    gl.glPopMatrix();
+            
+    // Place the second gear and call its display list
+    gl.glPushMatrix();
+    gl.glTranslatef(3.1f, -2.0f, 0.0f);
+    gl.glRotatef(-2.0f * angle - 9.0f, 0.0f, 0.0f, 1.0f);
+    gl.glCallList(gear2);
+    gl.glPopMatrix();
+            
+    // Place the third gear and call its display list
+    gl.glPushMatrix();
+    gl.glTranslatef(-3.1f, 4.2f, 0.0f);
+    gl.glRotatef(-2.0f * angle - 25.0f, 0.0f, 0.0f, 1.0f);
+    gl.glCallList(gear3);
+    gl.glPopMatrix();
+            
+    // Remember that every push needs a pop; this one is paired with
+    // rotating the entire gear assembly
+    gl.glPopMatrix();
+  }
+
+  public void displayChanged(GLAutoDrawable drawable, boolean modeChanged, boolean deviceChanged) {}
+
+  public static void gear(GL2 gl,
+                          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;
+            
+    gl.glShadeModel(GL2.GL_FLAT);
+
+    gl.glNormal3f(0.0f, 0.0f, 1.0f);
+
+    /* draw front face */
+    gl.glBegin(GL2.GL_QUAD_STRIP);
+    for (i = 0; i <= teeth; i++)
+      {
+        angle = i * 2.0f * (float) Math.PI / teeth;
+        gl.glVertex3f(r0 * (float)Math.cos(angle), r0 * (float)Math.sin(angle), width * 0.5f);
+        gl.glVertex3f(r1 * (float)Math.cos(angle), r1 * (float)Math.sin(angle), width * 0.5f);
+        if(i < teeth)
+          {
+            gl.glVertex3f(r0 * (float)Math.cos(angle), r0 * (float)Math.sin(angle), width * 0.5f);
+            gl.glVertex3f(r1 * (float)Math.cos(angle + 3.0f * da), r1 * (float)Math.sin(angle + 3.0f * da), width * 0.5f);
+          }
+      }
+    gl.glEnd();
+
+    /* draw front sides of teeth */
+    gl.glBegin(GL2.GL_QUADS);
+    for (i = 0; i < teeth; i++)
+      {
+        angle = i * 2.0f * (float) Math.PI / teeth;
+        gl.glVertex3f(r1 * (float)Math.cos(angle), r1 * (float)Math.sin(angle), width * 0.5f);
+        gl.glVertex3f(r2 * (float)Math.cos(angle + da), r2 * (float)Math.sin(angle + da), width * 0.5f);
+        gl.glVertex3f(r2 * (float)Math.cos(angle + 2.0f * da), r2 * (float)Math.sin(angle + 2.0f * da), width * 0.5f);
+        gl.glVertex3f(r1 * (float)Math.cos(angle + 3.0f * da), r1 * (float)Math.sin(angle + 3.0f * da), width * 0.5f);
+      }
+    gl.glEnd();
+    
+    /* draw back face */
+    gl.glBegin(GL2.GL_QUAD_STRIP);
+    for (i = 0; i <= teeth; i++)
+      {
+        angle = i * 2.0f * (float) Math.PI / teeth;
+        gl.glVertex3f(r1 * (float)Math.cos(angle), r1 * (float)Math.sin(angle), -width * 0.5f);
+        gl.glVertex3f(r0 * (float)Math.cos(angle), r0 * (float)Math.sin(angle), -width * 0.5f);
+        gl.glVertex3f(r1 * (float)Math.cos(angle + 3 * da), r1 * (float)Math.sin(angle + 3 * da), -width * 0.5f);
+        gl.glVertex3f(r0 * (float)Math.cos(angle), r0 * (float)Math.sin(angle), -width * 0.5f);
+      }
+    gl.glEnd();
+    
+    /* draw back sides of teeth */
+    gl.glBegin(GL2.GL_QUADS);
+    for (i = 0; i < teeth; i++)
+      {
+        angle = i * 2.0f * (float) Math.PI / teeth;
+        gl.glVertex3f(r1 * (float)Math.cos(angle + 3 * da), r1 * (float)Math.sin(angle + 3 * da), -width * 0.5f);
+        gl.glVertex3f(r2 * (float)Math.cos(angle + 2 * da), r2 * (float)Math.sin(angle + 2 * da), -width * 0.5f);
+        gl.glVertex3f(r2 * (float)Math.cos(angle + da), r2 * (float)Math.sin(angle + da), -width * 0.5f);
+        gl.glVertex3f(r1 * (float)Math.cos(angle), r1 * (float)Math.sin(angle), -width * 0.5f);
+      }
+    gl.glEnd();
+    
+    /* draw outward faces of teeth */
+    gl.glBegin(GL2.GL_QUAD_STRIP);
+    for (i = 0; i < teeth; i++)
+      {
+        angle = i * 2.0f * (float) Math.PI / teeth;
+        gl.glVertex3f(r1 * (float)Math.cos(angle), r1 * (float)Math.sin(angle), width * 0.5f);
+        gl.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;
+        gl.glNormal3f(v, -u, 0.0f);
+        gl.glVertex3f(r2 * (float)Math.cos(angle + da), r2 * (float)Math.sin(angle + da), width * 0.5f);
+        gl.glVertex3f(r2 * (float)Math.cos(angle + da), r2 * (float)Math.sin(angle + da), -width * 0.5f);
+        gl.glNormal3f((float)Math.cos(angle), (float)Math.sin(angle), 0.0f);
+        gl.glVertex3f(r2 * (float)Math.cos(angle + 2 * da), r2 * (float)Math.sin(angle + 2 * da), width * 0.5f);
+        gl.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);
+        gl.glNormal3f(v, -u, 0.0f);
+        gl.glVertex3f(r1 * (float)Math.cos(angle + 3 * da), r1 * (float)Math.sin(angle + 3 * da), width * 0.5f);
+        gl.glVertex3f(r1 * (float)Math.cos(angle + 3 * da), r1 * (float)Math.sin(angle + 3 * da), -width * 0.5f);
+        gl.glNormal3f((float)Math.cos(angle), (float)Math.sin(angle), 0.0f);
+      }
+    gl.glVertex3f(r1 * (float)Math.cos(0), r1 * (float)Math.sin(0), width * 0.5f);
+    gl.glVertex3f(r1 * (float)Math.cos(0), r1 * (float)Math.sin(0), -width * 0.5f);
+    gl.glEnd();
+    
+    gl.glShadeModel(GL2.GL_SMOOTH);
+    
+    /* draw inside radius cylinder */
+    gl.glBegin(GL2.GL_QUAD_STRIP);
+    for (i = 0; i <= teeth; i++)
+      {
+        angle = i * 2.0f * (float) Math.PI / teeth;
+        gl.glNormal3f(-(float)Math.cos(angle), -(float)Math.sin(angle), 0.0f);
+        gl.glVertex3f(r0 * (float)Math.cos(angle), r0 * (float)Math.sin(angle), -width * 0.5f);
+        gl.glVertex3f(r0 * (float)Math.cos(angle), r0 * (float)Math.sin(angle), width * 0.5f);
+      }
+    gl.glEnd();
+  }
+
+  // Methods required for the implementation of MouseListener
+  public void mouseEntered(MouseEvent e) {}
+  public void mouseExited(MouseEvent e) {}
+
+  public void mousePressed(MouseEvent e) {
+    prevMouseX = e.getX();
+    prevMouseY = e.getY();
+    if ((e.getModifiers() & e.BUTTON3_MASK) != 0) {
+      mouseRButtonDown = true;
+    }
+  }
+    
+  public void mouseReleased(MouseEvent e) {
+    if ((e.getModifiers() & e.BUTTON3_MASK) != 0) {
+      mouseRButtonDown = false;
+    }
+  }
+    
+  public void mouseClicked(MouseEvent e) {}
+    
+  // Methods required for the implementation of MouseMotionListener
+  public void mouseDragged(MouseEvent e) {
+    int x = e.getX();
+    int y = e.getY();
+    Dimension size = e.getComponent().getSize();
+
+    float thetaY = 360.0f * ( (float)(x-prevMouseX)/(float)size.width);
+    float thetaX = 360.0f * ( (float)(prevMouseY-y)/(float)size.height);
+    
+    prevMouseX = x;
+    prevMouseY = y;
+
+    view_rotx += thetaX;
+    view_roty += thetaY;
+  }
+    
+  public void mouseMoved(MouseEvent e) {}
+}