1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
|
/**
* @(#) DrawColoredPrimitives.java
* @(#) author: Joe Zimmerman (converted to Java by Sven Goethel)
*/
/* This program is free software under the license of LGPL */
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 DrawColoredPrimitives extends SimpleGLAnimApplet1
{
public void init(int w, int h)
{
super.init();
canvas = new gldemo(w, h);
add("Center", canvas);
}
public void init()
{
super.init();
Dimension d = getSize();
canvas = new gldemo(d.width, d.height);
add("Center", canvas);
}
public static void main( String args[] ) {
DrawColoredPrimitives applet =
new DrawColoredPrimitives();
Frame f = new Frame("DrawColoredPrimitives");
f.addWindowListener( new WindowAdapter()
{
public void windowClosed(WindowEvent e)
{
System.exit(0);
}
public void windowClosing(WindowEvent e)
{
windowClosed(e);
}
}
);
f.setLayout(new BorderLayout());
f.add("Center", applet);
applet.init(500,300);
applet.start();
Dimension ps = applet.getPreferredSize();
f.setBounds(-100,-100,99,99);
f.setVisible(true);
f.setVisible(false);
f.setVisible(true);
Insets i = f.getInsets();
f.setBounds(0,0,
ps.width+i.left+i.right,
ps.height+i.top+i.bottom);
f.setVisible(true);
}
private class gldemo extends GLAnimCanvas
{
float rotate;
float LightAmbient[] = { 0.75f, 0.75f, 0.75f, 1.5f};
float LightDiffuse[] = { 1.0f, 1.0f, 1.0f, 0.9f};
float LightSpecular[] = { 0.8f, 0.8f, 0.8f, 1.0f};
public gldemo(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()
{
reshape(getSize().width, getSize().height);
gl.glEnable(GL_LIGHT0);
gl.glLightfv(GL_LIGHT0, GL_AMBIENT, LightAmbient);
gl.glLightfv(GL_LIGHT0, GL_DIFFUSE, LightDiffuse);
gl.glLightfv(GL_LIGHT0, GL_SPECULAR, LightSpecular);
glj.gljCheckGL();
}
public void reshape(int width, int height)
{
gl.glMatrixMode(GL_PROJECTION);
gl.glLoadIdentity();
glu.gluPerspective(45, (float)width/(float)height, 1, 700);
gl.glMatrixMode(GL_MODELVIEW);
gl.glLoadIdentity();
gl.glViewport(0,0,width,height);
}
public void display()
{
if (glj.gljMakeCurrent() == false) return;
gl.glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
gl.glMatrixMode(GL_MODELVIEW);
gl.glLoadIdentity();
gl.glColor4f(1, 1, 1, 1);
rotate++;
gl.glTranslatef(0, 0, -5);
gl.glRotatef(rotate, 0, 1, 0);
gl.glBegin(GL_POLYGON);
gl.glNormal3f( 1, 0, 0);
gl.glColor4f(1, 0, 0, 1); gl.glVertex3f( 0, 1, 0);
gl.glColor4f(0, 1, 0, 1); gl.glVertex3f(-1, -1, 0);
gl.glColor4f(0, 0, 1, 1); gl.glVertex3f( 1, -1, 0);
gl.glEnd();
glj.gljSwap();
glj.gljCheckGL();
glj.gljFree();
}
}
}
|
