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/**
* @(#) teapots.java
* @(#) author: Silicon Graphics, Inc. (converted to Java by Ron Cemer)
*/
/*
* This program demonstrates lots of material properties.
* A single light source illuminates the objects.
*/
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;
import gl4java.utils.glut.*;
public class teapots extends Applet
{
teapotsCanvas canvas = null;
/* Initialize the applet */
public void init()
{
Dimension d = getSize();
setLayout(new BorderLayout());
canvas = new teapotsCanvas(d.width, d.height);
add("Center", canvas);
}
/* Start the applet */
public void start()
{
}
/* Stop the applet */
public void stop()
{
}
public static void main( String args[] )
{
Frame mainFrame = new Frame("teapots");
teapots applet = new teapots();
applet.setSize(400, 400);
applet.init();
applet.start();
mainFrame.add(applet);
mainFrame.pack();
mainFrame.setVisible(true);
}
/* Local GLCanvas extension class */
private class teapotsCanvas extends GLCanvas
{
int teapotList;
GLUTFunc glut = null;
public teapotsCanvas(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);
glut = new GLUTFuncLightImpl(gl, glu);
reshape(getSize().width, getSize().height);
float ambient[] = {0.0f, 0.0f, 0.0f, 1.0f};
float diffuse[] = {1.0f, 1.0f, 1.0f, 1.0f};
float specular[] = {1.0f, 1.0f, 1.0f, 1.0f};
float position[] = {0.0f, 3.0f, 3.0f, 0.0f};
float lmodel_ambient[] = {0.2f, 0.2f, 0.2f, 1.0f};
float local_view[] = {0.0f};
gl.glLightfv(GL_LIGHT0, GL_AMBIENT, ambient);
gl.glLightfv(GL_LIGHT0, GL_DIFFUSE, diffuse);
gl.glLightfv(GL_LIGHT0, GL_POSITION, position);
gl.glLightModelfv(GL_LIGHT_MODEL_AMBIENT, lmodel_ambient);
gl.glLightModelfv(GL_LIGHT_MODEL_LOCAL_VIEWER, local_view);
gl.glFrontFace(GL_CW);
gl.glEnable(GL_LIGHTING);
gl.glEnable(GL_LIGHT0);
gl.glEnable(GL_AUTO_NORMAL);
gl.glEnable(GL_NORMALIZE);
gl.glEnable(GL_DEPTH_TEST);
/* be efficient--make teapot display list */
teapotList = gl.glGenLists(1);
gl.glNewList(teapotList, GL_COMPILE);
glut.glutSolidTeapot(1.0);
gl.glEndList();
glj.gljCheckGL();
}
public void reshape(int width, int height)
{
gl.glViewport(0,0,width,height);
gl.glMatrixMode(GL_PROJECTION);
gl.glLoadIdentity();
if (width <= height)
gl.glOrtho
(0.0f,
16.0f,
0.0f,
16.0f*(float)height/(float)width,
-10.0f,
10.0f);
else
gl.glOrtho
(0.0f,
16.0f*(float)width/(float)height,
0.0f,
16.0,
-10.0f,
10.0f);
gl.glMatrixMode(GL_MODELVIEW);
}
public void display()
{
if (glj.gljMakeCurrent() == false) return;
/**
* First column: emerald, jade, obsidian, pearl, ruby, turquoise
* 2nd column: brass, bronze, chrome, copper, gold, silver
* 3rd column: black, cyan, green, red, white, yellow plastic
* 4th column: black, cyan, green, red, white, yellow rubber
*/
gl.glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
renderTeapot
(2.0f, 17.0f, 0.0215f, 0.1745f, 0.0215f,
0.07568f, 0.61424f, 0.07568f, 0.633f, 0.727811f, 0.633f, 0.6f);
renderTeapot
(2.0f, 14.0f, 0.135f, 0.2225f, 0.1575f,
0.54f, 0.89f, 0.63f, 0.316228f, 0.316228f, 0.316228f, 0.1f);
renderTeapot
(2.0f, 11.0f, 0.05375f, 0.05f, 0.06625f,
0.18275f, 0.17f, 0.22525f, 0.332741f, 0.328634f, 0.346435f, 0.3f);
renderTeapot
(2.0f, 8.0f, 0.25f, 0.20725f, 0.20725f,
1f, 0.829f, 0.829f, 0.296648f, 0.296648f, 0.296648f, 0.088f);
renderTeapot
(2.0f, 5.0f, 0.1745f, 0.01175f, 0.01175f,
0.61424f, 0.04136f, 0.04136f, 0.727811f, 0.626959f, 0.626959f, 0.6f);
renderTeapot
(2.0f, 2.0f, 0.1f, 0.18725f, 0.1745f,
0.396f, 0.74151f, 0.69102f, 0.297254f, 0.30829f, 0.306678f, 0.1f);
renderTeapot
(6.0f, 17.0f, 0.329412f, 0.223529f, 0.027451f,
0.780392f, 0.568627f, 0.113725f, 0.992157f, 0.941176f, 0.807843f,
0.21794872f);
renderTeapot
(6.0f, 14.0f, 0.2125f, 0.1275f, 0.054f,
0.714f, 0.4284f, 0.18144f, 0.393548f, 0.271906f, 0.166721f, 0.2f);
renderTeapot
(6.0f, 11.0f, 0.25f, 0.25f, 0.25f,
0.4f, 0.4f, 0.4f, 0.774597f, 0.774597f, 0.774597f, 0.6f);
renderTeapot
(6.0f, 8.0f, 0.19125f, 0.0735f, 0.0225f,
0.7038f, 0.27048f, 0.0828f, 0.256777f, 0.137622f, 0.086014f, 0.1f);
renderTeapot
(6.0f, 5.0f, 0.24725f, 0.1995f, 0.0745f,
0.75164f, 0.60648f, 0.22648f, 0.628281f, 0.555802f, 0.366065f, 0.4f);
renderTeapot
(6.0f, 2.0f, 0.19225f, 0.19225f, 0.19225f,
0.50754f, 0.50754f, 0.50754f, 0.508273f, 0.508273f, 0.508273f, 0.4f);
renderTeapot
(10.0f, 17.0f, 0.0f, 0.0f, 0.0f, 0.01f, 0.01f, 0.01f,
0.50f, 0.50f, 0.50f, .25f);
renderTeapot
(10.0f, 14.0f, 0.0f, 0.1f, 0.06f, 0.0f, 0.50980392f, 0.50980392f,
0.50196078f, 0.50196078f, 0.50196078f, .25f);
renderTeapot
(10.0f, 11.0f, 0.0f, 0.0f, 0.0f,
0.1f, 0.35f, 0.1f, 0.45f, 0.55f, 0.45f, .25f);
renderTeapot
(10.0f, 8.0f, 0.0f, 0.0f, 0.0f, 0.5f, 0.0f, 0.0f,
0.7f, 0.6f, 0.6f, .25f);
renderTeapot
(10.0f, 5.0f, 0.0f, 0.0f, 0.0f, 0.55f, 0.55f, 0.55f,
0.70f, 0.70f, 0.70f, .25f);
renderTeapot
(10.0f, 2.0f, 0.0f, 0.0f, 0.0f, 0.5f, 0.5f, 0.0f,
0.60f, 0.60f, 0.50f, .25f);
renderTeapot
(14.0f, 17.0f, 0.02f, 0.02f, 0.02f, 0.01f, 0.01f, 0.01f,
0.4f, 0.4f, 0.4f, .078125f);
renderTeapot
(14.0f, 14.0f, 0.0f, 0.05f, 0.05f, 0.4f, 0.5f, 0.5f,
0.04f, 0.7f, 0.7f, .078125f);
renderTeapot
(14.0f, 11.0f, 0.0f, 0.05f, 0.0f, 0.4f, 0.5f, 0.4f,
0.04f, 0.7f, 0.04f, .078125f);
renderTeapot
(14.0f, 8.0f, 0.05f, 0.0f, 0.0f, 0.5f, 0.4f, 0.4f,
0.7f, 0.04f, 0.04f, .078125f);
renderTeapot
(14.0f, 5.0f, 0.05f, 0.05f, 0.05f, 0.5f, 0.5f, 0.5f,
0.7f, 0.7f, 0.7f, .078125f);
renderTeapot
(14.0f, 2.0f, 0.05f, 0.05f, 0.0f, 0.5f, 0.5f, 0.4f,
0.7f, 0.7f, 0.04f, .078125f);
gl.glFlush();
glj.gljSwap();
glj.gljCheckGL();
glj.gljFree();
}
/*
* Move object into position. Use 3rd through 12th
* parameters to specify the material property. Draw a teapot.
*/
private void renderTeapot
(float x,
float y,
float ambr,
float ambg,
float ambb,
float difr,
float difg,
float difb,
float specr,
float specg,
float specb,
float shine)
{
float mat[] = new float[4];
gl.glPushMatrix();
gl.glTranslatef(x, y, 0.0f);
mat[0] = ambr; mat[1] = ambg; mat[2] = ambb; mat[3] = 1.0f;
gl.glMaterialfv(GL_FRONT, GL_AMBIENT, mat);
mat[0] = difr; mat[1] = difg; mat[2] = difb;
gl.glMaterialfv(GL_FRONT, GL_DIFFUSE, mat);
mat[0] = specr; mat[1] = specg; mat[2] = specb;
gl.glMaterialfv(GL_FRONT, GL_SPECULAR, mat);
gl.glMaterialf(GL_FRONT, GL_SHININESS, shine * 128.0f);
gl.glCallList(teapotList);
gl.glPopMatrix();
}
}
}
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