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我相信这与抽签顺序有关，但我现在已经放弃了。基本上，四边形正在绘制，但它们的顺序不正确，并且启用了背面剔除但没有帮助。

import java.awt.Color;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import java.nio.DoubleBuffer;

import javax.imageio.ImageIO;

import org.lwjgl.LWJGLException;
import org.lwjgl.input.Keyboard;
import org.lwjgl.opengl.Display;
import org.lwjgl.opengl.DisplayMode;
import org.lwjgl.opengl.GL11;
import org.lwjgl.util.glu.GLU;

public class Main {
public Main() {
    this.start();
}
private void start() {  
    try {
        Display.setDisplayMode(new DisplayMode(640,640));
        Display.setTitle("FPSTest");
        Display.create();
    } catch (LWJGLException e) {
        e.printStackTrace();
    }

    GL11.glMatrixMode(GL11.GL_PROJECTION);
    GL11.glLoadIdentity();
    GL11.glOrtho(-5, 5, -5, 5, -1, 5);
    GL11.glMatrixMode(GL11.GL_MODELVIEW);
    int x=0;
    while (!Display.isCloseRequested()) {
        Display.sync(60);
        //poll for keypresses first, default key is 'forward'
        //if(Keyboard.isKeyDown(Keyboard.KEY_NUMPAD8));



        GL11.glClear(GL11.GL_DEPTH_BUFFER_BIT|GL11.GL_COLOR_BUFFER_BIT);
        GL11.glEnable(GL11.GL_CULL_FACE|GL11.GL_DEPTH_TEST);
        GL11.glColor3f(1, 0, 0);
        GL11.glRotatef(x++, 1, 1, 1);
        GL11.glBegin(GL11.GL_QUADS);
        GL11.glColor3f(0.0f,1.0f,0.0f);          // Set The Color To Green
        GL11.glVertex3f( 1.0f, 1.0f,-1.0f);          // Top Right Of The Quad (Top)
        GL11.glVertex3f(-1.0f, 1.0f,-1.0f);          // Top Left Of The Quad (Top)
        GL11.glVertex3f(-1.0f, 1.0f, 1.0f);          // Bottom Left Of The Quad (Top)
        GL11.glVertex3f( 1.0f, 1.0f, 1.0f);          // Bottom Right Of The Quad (Top)
        GL11.glColor3f(1.0f,0.5f,0.0f);          // Set The Color To Orange
        GL11.glVertex3f( 1.0f,-1.0f, 1.0f);          // Top Right Of The Quad (Bottom)
        GL11.glVertex3f(-1.0f,-1.0f, 1.0f);          // Top Left Of The Quad (Bottom)
        GL11.glVertex3f(-1.0f,-1.0f,-1.0f);          // Bottom Left Of The Quad (Bottom)
        GL11.glVertex3f( 1.0f,-1.0f,-1.0f);          // Bottom Right Of The Quad (Bottom)
        GL11.glColor3f(1.0f,0.0f,0.0f);          // Set The Color To Red
        GL11.glVertex3f( 1.0f, 1.0f, 1.0f);          // Top Right Of The Quad (Front)
        GL11.glVertex3f(-1.0f, 1.0f, 1.0f);          // Top Left Of The Quad (Front)
        GL11.glVertex3f(-1.0f,-1.0f, 1.0f);          // Bottom Left Of The Quad (Front)
        GL11.glVertex3f( 1.0f,-1.0f, 1.0f);          // Bottom Right Of The Quad (Front)
        GL11.glColor3f(1.0f,1.0f,0.0f);          // Set The Color To Yellow
        GL11.glVertex3f( 1.0f,-1.0f,-1.0f);          // Bottom Left Of The Quad (Back)
        GL11.glVertex3f(-1.0f,-1.0f,-1.0f);          // Bottom Right Of The Quad (Back)
        GL11.glVertex3f(-1.0f, 1.0f,-1.0f);          // Top Right Of The Quad (Back)
        GL11.glVertex3f( 1.0f, 1.0f,-1.0f);          // Top Left Of The Quad (Back)
        GL11.glColor3f(0.0f,0.0f,1.0f);          // Set The Color To Blue
        GL11.glVertex3f(-1.0f, 1.0f, 1.0f);          // Top Right Of The Quad (Left)
        GL11.glVertex3f(-1.0f, 1.0f,-1.0f);          // Top Left Of The Quad (Left)
        GL11.glVertex3f(-1.0f,-1.0f,-1.0f);          // Bottom Left Of The Quad (Left)
        GL11.glVertex3f(-1.0f,-1.0f, 1.0f);          // Bottom Right Of The Quad (Left)
        GL11.glColor3f(1.0f,0.0f,1.0f);          // Set The Color To Violet
        GL11.glVertex3f( 1.0f, 1.0f,-1.0f);          // Top Right Of The Quad (Right)
        GL11.glVertex3f( 1.0f, 1.0f, 1.0f);          // Top Left Of The Quad (Right)
        GL11.glVertex3f( 1.0f,-1.0f, 1.0f);          // Bottom Left Of The Quad (Right)
        GL11.glVertex3f( 1.0f,-1.0f,-1.0f);          // Bottom Right Of The Quad (Right)
        GL11.glEnd();
        GL11.glLoadIdentity();
        Display.update();
    }

    Display.destroy();
}

public static void main(String[] argv) {
    new Main();
}

}
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1 回答 1

4

GL11.glEnable(GL11.GL_CULL_FACE|GL11.GL_DEPTH_TEST);

你不能这样做。您必须将每个 glEnable 作为单独的命令。试试这个，看看它是否对你有帮助。

GL11.glEnable(GL11.GL_CULL_FACE);
GL11.glEnable(GL11.GL_DEPTH_TEST);

还用glGetError！

于 2012-06-25T19:58:59.613 回答