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Diffstat (limited to 'demos/RonsDemos/quadric.java')
| -rw-r--r-- | demos/RonsDemos/quadric.java | 250 |
1 files changed, 250 insertions, 0 deletions
diff --git a/demos/RonsDemos/quadric.java b/demos/RonsDemos/quadric.java new file mode 100644 index 0000000..932f428 --- /dev/null +++ b/demos/RonsDemos/quadric.java @@ -0,0 +1,250 @@ +/**
+ * @(#) quadric.java
+ * @(#) author: Silicon Graphics, Inc. (converted to Java by Ron Cemer)
+ */
+
+/*
+ * Copyright (c) 1993-1997, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED
+ * Permission to use, copy, modify, and distribute this software for
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission.
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC. BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC. HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * US Government Users Restricted Rights
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States. Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N. Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(R) is a registered trademark of Silicon Graphics, Inc.
+ */
+
+/*
+ * This program demonstrates the use of some of the gluQuadric*
+ * routines. Quadric objects are created with some quadric
+ * properties and the callback routine to handle errors.
+ * Note that the cylinder has no top or bottom and the circle
+ * has a hole in it.
+ */
+
+import java.applet.*;
+import java.awt.*;
+import java.awt.event.*;
+import java.lang.*;
+import java.util.*;
+import java.io.*;
+import java.util.*;
+import gl4java.GLContext;
+import gl4java.awt.GLCanvas;
+
+public class quadric extends Applet
+{
+ quadricCanvas canvas = null;
+
+
+ /* Initialize the applet */
+
+
+ public void init()
+ {
+ Dimension d = getSize();
+ setLayout(new BorderLayout());
+ canvas = new quadricCanvas(d.width, d.height);
+ add("Center", canvas);
+ }
+
+
+ /* Start the applet */
+
+
+ public void start()
+ {
+ }
+
+
+ /* Stop the applet */
+
+
+ public void stop()
+ {
+ }
+
+
+ /* Destroy the applet */
+
+
+ public void destroy()
+ {
+ canvas.cvsDispose();
+ }
+
+
+ /* Local GLCanvas extension class */
+
+
+ private class quadricCanvas extends GLCanvas
+ {
+ int startList;
+
+ public quadricCanvas(int w, int h)
+ {
+ super(w, h);
+ GLContext.gljNativeDebug = false;
+ GLContext.gljClassDebug = false;
+ }
+
+ public void preInit()
+ {
+ doubleBuffer = true;
+ stereoView = false;
+ }
+
+ public void init()
+ {
+ System.out.println("init(): " + this);
+ reshape(getSize().width, getSize().height);
+
+ int qobj;
+ float mat_ambient[] = { 0.5f, 0.5f, 0.5f, 1.0f };
+ float mat_specular[] = { 1.0f, 1.0f, 1.0f, 1.0f };
+ float mat_shininess[] = { 50.0f };
+ float light_position[] = { 1.0f, 1.0f, 1.0f, 0.0f };
+ float model_ambient[] = { 0.5f, 0.5f, 0.5f, 1.0f };
+
+ gl.glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
+
+ gl.glMaterialfv(GL_FRONT, GL_AMBIENT, mat_ambient);
+ gl.glMaterialfv(GL_FRONT, GL_SPECULAR, mat_specular);
+ gl.glMaterialfv(GL_FRONT, GL_SHININESS, mat_shininess);
+ gl.glLightfv(GL_LIGHT0, GL_POSITION, light_position);
+ gl.glLightModelfv(GL_LIGHT_MODEL_AMBIENT, model_ambient);
+
+ gl.glEnable(GL_LIGHTING);
+ gl.glEnable(GL_LIGHT0);
+ gl.glEnable(GL_DEPTH_TEST);
+
+ /* Create 4 display lists, each with a different quadric object.
+ * Different drawing styles and surface normal specifications
+ * are demonstrated.
+ */
+ startList = gl.glGenLists(4);
+ qobj = glu.gluNewQuadric();
+
+ glu.gluQuadricDrawStyle(qobj, GLU_FILL); /* smooth shaded */
+ glu.gluQuadricNormals(qobj, GLU_SMOOTH);
+ gl.glNewList(startList, GL_COMPILE);
+ glu.gluSphere(qobj, 0.75f, 15, 10);
+ gl.glEndList();
+
+ glu.gluQuadricDrawStyle(qobj, GLU_FILL); /* flat shaded */
+ glu.gluQuadricNormals(qobj, GLU_FLAT);
+ gl.glNewList(startList+1, GL_COMPILE);
+ glu.gluCylinder(qobj, 0.5f, 0.3f, 1.0f, 15, 5);
+ gl.glEndList();
+
+ glu.gluQuadricDrawStyle(qobj, GLU_LINE); /* all polygons wireframe */
+ glu.gluQuadricNormals(qobj, GLU_NONE);
+ gl.glNewList(startList+2, GL_COMPILE);
+ glu.gluDisk(qobj, 0.25f, 1.0f, 20, 4);
+ gl.glEndList();
+
+ glu.gluQuadricDrawStyle(qobj, GLU_SILHOUETTE); /* boundary only */
+ glu.gluQuadricNormals(qobj, GLU_NONE);
+ gl.glNewList(startList+3, GL_COMPILE);
+ glu.gluPartialDisk(qobj, 0.0f, 1.0f, 20, 4, 0.0f, 225.0f);
+ gl.glEndList();
+
+ glu.gluDeleteQuadric(qobj);
+
+ glj.gljCheckGL();
+ }
+
+ public void cvsDispose()
+ {
+ System.out.println("destroy(): " + this);
+ super.cvsDispose();
+ }
+
+ public void reshape(int width, int height)
+ {
+ gl.glViewport(0,0,width,height);
+ gl.glMatrixMode(GL_PROJECTION);
+ gl.glLoadIdentity();
+ if (width <= height)
+ gl.glOrtho
+ (-2.5f,
+ 2.5f,
+ -2.5f*(float)height/(float)width,
+ 2.5f*(float)height/(float)width,
+ -10.0f,
+ 10.0f);
+ else
+ gl.glOrtho
+ (-2.5f*(float)width/(float)height,
+ 2.5f*(float)width/(float)height,
+ -2.5f,
+ 2.5f,
+ -10.0f,
+ 10.0f);
+ gl.glMatrixMode(GL_MODELVIEW);
+ gl.glLoadIdentity();
+ }
+
+ public void display()
+ {
+ if (glj.gljMakeCurrent() == false) return;
+
+ gl.glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+ gl.glPushMatrix();
+
+ gl.glEnable(GL_LIGHTING);
+ gl.glShadeModel(GL_SMOOTH);
+ gl.glTranslatef(-1.0f, -1.0f, 0.0f);
+ gl.glCallList(startList);
+
+ gl.glShadeModel(GL_FLAT);
+ gl.glTranslatef(0.0f, 2.0f, 0.0f);
+ gl.glPushMatrix();
+ gl.glRotatef(300.0f, 1.0f, 0.0f, 0.0f);
+ gl.glCallList(startList+1);
+ gl.glPopMatrix();
+
+ gl.glDisable(GL_LIGHTING);
+ gl.glColor3f(0.0f, 1.0f, 1.0f);
+ gl.glTranslatef(2.0f, -2.0f, 0.0f);
+ gl.glCallList(startList+2);
+
+ gl.glColor3f(1.0f, 1.0f, 0.0f);
+ gl.glTranslatef(0.0f, 2.0f, 0.0f);
+ gl.glCallList(startList+3);
+
+ gl.glPopMatrix();
+ gl.glFlush();
+
+ glj.gljSwap();
+ glj.gljCheckGL();
+ glj.gljFree();
+ }
+ }
+}
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