diff options
Diffstat (limited to 'src/demos/gears')
-rw-r--r-- | src/demos/gears/Gears.java | 320 |
1 files changed, 0 insertions, 320 deletions
diff --git a/src/demos/gears/Gears.java b/src/demos/gears/Gears.java deleted file mode 100644 index 4ae780e..0000000 --- a/src/demos/gears/Gears.java +++ /dev/null @@ -1,320 +0,0 @@ -package demos.gears; - -import java.awt.*; -import java.awt.event.*; - -import javax.media.opengl.*; -import com.sun.opengl.util.*; - -/** - * 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(); - - canvas.addGLEventListener(new 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.show(); - 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())); - - GL gl = drawable.getGL(); - - 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(GL.GL_LIGHT0, GL.GL_POSITION, pos, 0); - gl.glEnable(GL.GL_CULL_FACE); - gl.glEnable(GL.GL_LIGHTING); - gl.glEnable(GL.GL_LIGHT0); - gl.glEnable(GL.GL_DEPTH_TEST); - - /* make the gears */ - gear1 = gl.glGenLists(1); - gl.glNewList(gear1, GL.GL_COMPILE); - gl.glMaterialfv(GL.GL_FRONT, GL.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, GL.GL_COMPILE); - gl.glMaterialfv(GL.GL_FRONT, GL.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, GL.GL_COMPILE); - gl.glMaterialfv(GL.GL_FRONT, GL.GL_AMBIENT_AND_DIFFUSE, blue, 0); - gear(gl, 1.3f, 2.0f, 0.5f, 10, 0.7f); - gl.glEndList(); - - gl.glEnable(GL.GL_NORMALIZE); - - drawable.addMouseListener(this); - drawable.addMouseMotionListener(this); - } - - public void reshape(GLAutoDrawable drawable, int x, int y, int width, int height) { - GL gl = drawable.getGL(); - - float h = (float)height / (float)width; - - gl.glMatrixMode(GL.GL_PROJECTION); - - System.err.println("GL_VENDOR: " + gl.glGetString(GL.GL_VENDOR)); - System.err.println("GL_RENDERER: " + gl.glGetString(GL.GL_RENDERER)); - System.err.println("GL_VERSION: " + gl.glGetString(GL.GL_VERSION)); - gl.glLoadIdentity(); - gl.glFrustum(-1.0f, 1.0f, -h, h, 5.0f, 60.0f); - gl.glMatrixMode(GL.GL_MODELVIEW); - gl.glLoadIdentity(); - gl.glTranslatef(0.0f, 0.0f, -40.0f); - } - - public void display(GLAutoDrawable drawable) { - // Turn the gears' teeth - angle += 2.0f; - - // Get the GL corresponding to the drawable we are animating - GL gl = drawable.getGL(); - - // 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(GL.GL_DEPTH_BUFFER_BIT); - } else { - gl.glClear(GL.GL_COLOR_BUFFER_BIT | GL.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(GL 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(GL.GL_FLAT); - - gl.glNormal3f(0.0f, 0.0f, 1.0f); - - /* draw front face */ - gl.glBegin(GL.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(GL.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(GL.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(GL.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(GL.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(GL.GL_SMOOTH); - - /* draw inside radius cylinder */ - gl.glBegin(GL.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) {} -} - |