aboutsummaryrefslogtreecommitdiffstats
path: root/demos/MiscDemos/gears.java
diff options
context:
space:
mode:
Diffstat (limited to 'demos/MiscDemos/gears.java')
-rw-r--r--demos/MiscDemos/gears.java340
1 files changed, 6 insertions, 334 deletions
diff --git a/demos/MiscDemos/gears.java b/demos/MiscDemos/gears.java
index dd4cb13..c33ff7c 100644
--- a/demos/MiscDemos/gears.java
+++ b/demos/MiscDemos/gears.java
@@ -11,7 +11,6 @@ import java.awt.event.*;
import java.lang.*;
import java.util.*;
import java.io.*;
-import java.util.*;
import gl4java.*;
import gl4java.drawable.*;
import gl4java.awt.GLAnimCanvas;
@@ -45,6 +44,12 @@ public class gears extends SimpleGLAnimApplet1
addMouseListener(this);
}
+ public void destroy()
+ {
+ removeMouseListener(this);
+ super.destroy();
+ }
+
public static void main( String args[] )
{
int i = 0;
@@ -188,337 +193,4 @@ public class gears extends SimpleGLAnimApplet1
start();
}
}
-
-
- /* Local GLAnimCanvas extension class */
-
-
- public class gearRenderer implements GLEventListener, MouseListener, MouseMotionListener
- {
- private static final float M_PI = 3.14159265f;
-
- private long T0 = 0;
- private long Frames = 0;
-
- 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;
-
- private boolean showGL = false;
-
- private GLFunc gl;
- private GLUFunc glu;
- private GLContext glj;
-
- public gearRenderer(boolean showGL)
- {
- this.showGL=showGL;
- }
-
- public void init(GLDrawable drawable)
- {
- gl = drawable.getGL();
- glu = drawable.getGLU();
- glj = drawable.getGLContext();
-
- 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_LIGHT0, GL_POSITION, pos);
- gl.glEnable(GL_CULL_FACE);
- gl.glEnable(GL_LIGHTING);
- gl.glEnable(GL_LIGHT0);
- gl.glEnable(GL_DEPTH_TEST);
-
- /* make the gears */
- gear1 = gl.glGenLists(1);
- gl.glNewList(gear1, GL_COMPILE);
- gl.glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, red);
- gear(1.0f, 4.0f, 1.0f, 20, 0.7f);
- gl.glEndList();
-
- gear2 = gl.glGenLists(1);
- gl.glNewList(gear2, GL_COMPILE);
- gl.glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, green);
- gear(0.5f, 2.0f, 2.0f, 10, 0.7f);
- gl.glEndList();
-
- gear3 = gl.glGenLists(1);
- gl.glNewList(gear3, GL_COMPILE);
- gl.glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, blue);
- gear(1.3f, 2.0f, 0.5f, 10, 0.7f);
- gl.glEndList();
-
- gl.glEnable(GL_NORMALIZE);
-
- glj.gljCheckGL();
-
- drawable.addMouseListener(this);
- drawable.addMouseMotionListener(this);
-
- T0=System.currentTimeMillis();
- System.out.println("init ..");
- }
-
- public void cleanup(GLDrawable drawable)
- {
- System.out.println("destroy(): " + this);
- removeMouseListener(this);
- removeMouseMotionListener(this);
- }
-
- public void reshape(gl4java.drawable.GLDrawable gld,int width,int height)
- {
- float h = (float)height / (float)width;
-
- gl.glViewport(0,0,width,height);
- gl.glMatrixMode(GL_PROJECTION);
- gl.glLoadIdentity();
- gl.glFrustum(-1.0f, 1.0f, -h, h, 5.0f, 60.0f);
- gl.glMatrixMode(GL_MODELVIEW);
- gl.glLoadIdentity();
- gl.glTranslatef(0.0f, 0.0f, -40.0f);
- }
-
- public void display(GLDrawable drawable)
- {
- if(showGL)
- {
- showGL=false;
- System.out.println("GL VERSION : "+gl.glGetString(GL_VERSION));
- System.out.println("GL RENDERER: "+gl.glGetString(GL_RENDERER));
- System.out.println("GL VENDOR : "+gl.glGetString(GL_VENDOR));
- }
-
- angle += 2.0f;
-
- gl.glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
-
- 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);
-
- gl.glPushMatrix();
- gl.glTranslatef(-3.0f, -2.0f, 0.0f);
- gl.glRotatef(angle, 0.0f, 0.0f, 1.0f);
- gl.glCallList(gear1);
- gl.glPopMatrix();
-
- 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();
-
- 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();
-
- gl.glPopMatrix();
-
- Frames++;
- }
-
- public void preDisplay(GLDrawable drawable)
- {
- }
-
- public void postDisplay(GLDrawable drawable)
- {
- long t=System.currentTimeMillis();
- if(t - T0 >= 5000)
- {
- double seconds = (double)(t - T0) / 1000.0;
- double fps = (double)Frames / seconds;
- System.out.println(Frames+" frames in "+seconds+" seconds = "+
- fps+" FPS");
- T0 = t;
- Frames = 0;
- }
- }
-
- 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 * M_PI / teeth / 4.0f;
-
- gl.glShadeModel(GL_FLAT);
-
- gl.glNormal3f(0.0f, 0.0f, 1.0f);
-
- /* draw front face */
- gl.glBegin(GL_QUAD_STRIP);
- for (i = 0; i <= teeth; i++)
- {
- angle = i * 2.0f * M_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_QUADS);
- for (i = 0; i < teeth; i++)
- {
- angle = i * 2.0f * M_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_QUAD_STRIP);
- for (i = 0; i <= teeth; i++)
- {
- angle = i * 2.0f * M_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_QUADS);
- for (i = 0; i < teeth; i++)
- {
- angle = i * 2.0f * M_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_QUAD_STRIP);
- for (i = 0; i < teeth; i++)
- {
- angle = i * 2.0f * M_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_SMOOTH);
-
- /* draw inside radius cylinder */
- gl.glBegin(GL_QUAD_STRIP);
- for (i = 0; i <= teeth; i++)
- {
- angle = i * 2.0f * M_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 evt )
- {
- //System.out.println("mouse entered cvs: ");
- }
-
- public void mouseExited( MouseEvent evt )
- {
- //System.out.println("mouse exit cvs: ");
- }
-
- public void mousePressed( MouseEvent evt )
- {
- //System.out.println("mouse pressed cvs: ");
- prevMouseX = evt.getX();
- prevMouseY = evt.getY();
- if ((evt.getModifiers() & evt.BUTTON3_MASK) != 0)
- {
- mouseRButtonDown = true;
- }
- }
-
- public void mouseReleased( MouseEvent evt )
- {
- //System.out.println("mouse released cvs: ");
- if ((evt.getModifiers() & evt.BUTTON3_MASK) != 0)
- {
- mouseRButtonDown = false;
- }
- }
-
- public void mouseClicked( MouseEvent evt )
- {
- //System.out.println("mouse clicked cvs: ");
- }
-
- // Methods required for the implementation of MouseMotionListener
- public void mouseDragged( MouseEvent evt )
- {
- //System.out.println("mouse dragged: ");
- int x = evt.getX();
- int y = evt.getY();
- Dimension size = 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 evt )
- {
- //System.out.println("mouse moved: ");
- }
- }
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-01 06:20:17 +0000