lwjgl/src/java/org/lwjgl/test/opengl/BouncingWindowTest.java

110 lines
3.4 KiB
Java

/*
* Copyright (c) 2002 Lightweight Java Game Library Project
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* * Neither the name of 'Light Weight Java Game Library' nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package org.lwjgl.test.opengl;
import org.lwjgl.Display;
import org.lwjgl.LWJGLException;
import org.lwjgl.input.Keyboard;
import org.lwjgl.opengl.GL11;
import org.lwjgl.opengl.Window;
/**
* $Id$
*
* Tests the windowing functions. ESCAPE quits.
*
* @author $author$
* @version $revision$
*/
public class BouncingWindowTest {
public static void main(String[] args) {
int x = 0, y = 0, dx = 1, dy = 1;
try {
Window.create("Bouncing Window Test", 0, 0, 64, 64, true, 16, 0, 16, 8, 0);
} catch (LWJGLException e) {
e.printStackTrace(System.err);
System.exit(-1);
}
Window.setVSyncEnabled(true);
float angle = 0.0f;
float color = 0.0f;
while (!Keyboard.isKeyDown(Keyboard.KEY_ESCAPE) && !Window.isCloseRequested()) {
Window.update();
x += dx;
y += dy;
if (x < 0) {
x = 1;
dx = 1;
} else if (x >= Display.getWidth() - Window.getWidth()) {
x = Display.getWidth() - Window.getWidth() - 1;
dx = -1;
}
if (y < 0) {
y = 1;
dy = 1;
} else if (y >= Display.getHeight() - Window.getHeight()) {
y = Display.getHeight() - Window.getHeight() - 1;
dy = -1;
}
Window.setLocation(x, y);
angle += 1.0f;
if (angle >= 360.0f) {
angle = 0.0f;
}
color += 0.01f;
GL11.glClear(GL11.GL_COLOR_BUFFER_BIT);
GL11.glPushMatrix();
GL11.glTranslatef(Window.getWidth() / 2.0f, Window.getHeight() / 2.0f, 0.0f);
GL11.glRotatef(angle, 0.0f, 0.0f, 1.0f);
GL11.glColor3f(
(float)Math.abs(Math.sin(color)),
(float)Math.abs(Math.cos(color)),
(float)Math.abs(Math.sin(color) * Math.cos(color))
);
GL11.glBegin(GL11.GL_QUADS);
{
GL11.glVertex2f(-20.0f, -20.0f);
GL11.glVertex2f(20.0f, -20.0f);
GL11.glVertex2f(20.0f, 20.0f);
GL11.glVertex2f(-20.0f, 20.0f);
}
GL11.glEnd();
GL11.glPopMatrix();
}
}
}