58 lines
1.1 KiB
Java
58 lines
1.1 KiB
Java
import org.lwjgl.LWJGLException;
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import org.lwjgl.opengl.Display;
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import org.lwjgl.opengl.DisplayMode;
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import static org.lwjgl.opengl.GL11.*;
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public class OpenGlExample {
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public void run() throws LWJGLException {
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Display.setDisplayMode(new DisplayMode(640, 480));
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Display.create();
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glMatrixMode(GL_PROJECTION);
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glLoadIdentity();
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glOrtho(-30, 30, -30, 30, -30, 30);
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glMatrixMode(GL_MODELVIEW);
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while(!Display.isCloseRequested()) {
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render();
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Display.update();
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}
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Display.destroy();
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}
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public void render() {
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glClearColor(0.3f, 0.3f, 0.3f, 0.0f);
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glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
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glShadeModel(GL_SMOOTH);
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glLoadIdentity();
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glTranslatef(-15.0f, -15.0f, 0.0f);
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glBegin(GL_TRIANGLES);
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glColor3f(1.0f, 0.0f, 0.0f);
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glVertex2f(0.0f, 0.0f);
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glColor3f(0.0f, 1.0f, 0.0f);
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glVertex2f(30f, 0.0f);
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glColor3f(0.0f, 0.0f, 1.0f);
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glVertex2f(0.0f, 30.0f);
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glEnd();
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}
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public static void main(String[] args) {
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OpenGlExample openGlExmpl = new OpenGlExample();
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try {
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openGlExmpl.run();
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} catch(LWJGLException e) {
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System.err.println(e);
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}
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}
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}
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