From 880653d31a8f1ff8384fdbc75b84934bceecfdb8 Mon Sep 17 00:00:00 2001
From: Sven Gothel <sgothel@jausoft.com>
Date: Sat, 18 Nov 2000 06:43:49 +0000
Subject: Initial revision

---
 demos/RonsDemos/renormal.java | 112 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 112 insertions(+)
 create mode 100644 demos/RonsDemos/renormal.java

(limited to 'demos/RonsDemos/renormal.java')

diff --git a/demos/RonsDemos/renormal.java b/demos/RonsDemos/renormal.java
new file mode 100644
index 0000000..783bf15
--- /dev/null
+++ b/demos/RonsDemos/renormal.java
@@ -0,0 +1,112 @@
+/**
+ * @(#) renormal.java
+ * @(#) author: Brian Paul (converted to Java by Ron Cemer)
+ */
+
+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.GLAnimCanvas;
+import gl4java.applet.SimpleGLAnimApplet1;
+
+public class renormal extends SimpleGLAnimApplet1 
+{
+        /* Initialize the applet */
+
+
+	public void init()
+	{
+	super.init();
+        Dimension d = getSize();
+        canvas = new renormalCanvas(d.width, d.height);
+        add("Center", canvas);
+	}
+
+
+        /* Local GLAnimCanvas extension class */
+
+
+    private class renormalCanvas extends GLAnimCanvas
+    {
+        private static final float M_PI = 3.14159265359f;
+        private float Phi = 0.0f;
+    
+        public renormalCanvas(int w, int h)
+        {
+            super(w, h);
+            GLContext.gljNativeDebug = false;
+            GLContext.gljClassDebug = false;
+            setAnimateFps(30.0);
+        }
+    
+        public void preInit()
+        {
+            doubleBuffer = true;
+            stereoView = false;
+        }
+    
+        public void init()
+        {
+            System.out.println("init(): " + this);
+            reshape(getSize().width, getSize().height);
+            
+            float mat[] = { 0.8f, 0.8f, 0.0f, 1.0f };
+            float pos[] = { -1.0f, 1.0f, 1.0f, 0.0f };
+
+                /* setup lighting, etc */
+            gl.glEnable(GL_LIGHTING);
+            gl.glEnable(GL_LIGHT0);
+            gl.glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, mat);
+            gl.glLightfv(GL_LIGHT0, GL_POSITION, pos);
+            gl.glEnable(GL_CULL_FACE);
+            gl.glEnable(GL_NORMALIZE);
+    
+            glj.gljCheckGL();
+        }
+    
+        public void reshape(int width, int height)
+        {
+            gl.glViewport(0,0,width,height);
+            gl.glMatrixMode(GL_PROJECTION);
+            gl.glLoadIdentity();
+            gl.glFrustum(-1.0f, 1.0f, -1.0f, 1.0f, 5.0f, 25.0f);
+            gl.glMatrixMode(GL_MODELVIEW);
+            gl.glLoadIdentity();
+            gl.glTranslatef(0.0f, 0.0f, -15.0f);
+        }
+
+        public void display()
+        {
+            if (glj.gljMakeCurrent() == false) return;
+    
+            Phi += 0.05f;
+            while (Phi >= (M_PI*2.0f)) Phi -= (M_PI*2.0f);
+
+            float scale = 0.6f + (0.5f * (float)Math.sin(Phi));
+            gl.glClear(GL_COLOR_BUFFER_BIT);
+            gl.glPushMatrix();
+            gl.glScalef(scale, scale, scale);
+
+            int qobj = glu.gluNewQuadric();
+            glu.gluQuadricOrientation(qobj,GLU_OUTSIDE);
+            glu.gluQuadricNormals(qobj,GLU_SMOOTH);
+            glu.gluQuadricTexture(qobj,false);
+            glu.gluSphere(qobj,2.0f,40,40);
+            glu.gluDeleteQuadric(qobj);
+
+            gl.glPopMatrix();
+
+            glj.gljSwap();
+            glj.gljCheckGL();
+            glj.gljFree();
+    
+            //if (!isSuspended()) repaint();  // Animate at full speed.
+        }
+    }
+}
-- 
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