Question

我正在制作一个非常简单的1v1游戏，我的敌人不会画画。这是我游戏的代码：

主要类别：

package Generic;

import org.lwjgl.opengl.Display;
import org.lwjgl.opengl.DisplayMode;
import static org.lwjgl.opengl.GL11.*;

public class Main {

    public static Player player;
    public static Enemy enemy;
    public static void main(String[] args) throws Exception {

Display.setDisplayMode(new DisplayMode (640, 480));
Display.create();

player = new Player();
//Game
while(!Display.isCloseRequested()) 
     {

    setCamera();
    drawBackground();
    player.draw();
    enemy.draw();
    Display.sync(60);
    Display.update();

    }

Display.destroy(); 


    }

    public static void setCamera(){
    glClear(GL_COLOR_BUFFER_BIT);
    //Clear Screen
    glMatrixMode(GL_PROJECTION);
    //Projection Matrix
    glLoadIdentity();
    glOrtho(0, 640, 0, 480, -1, 1);

    //Modify ModelView Matrix
    glMatrixMode(GL_MODELVIEW);
    glLoadIdentity();
    }

    public static void drawBackground() {

    glBegin(GL_QUADS);  
    //Draw Sky
    glColor3d(0.7, 0.8, 0.9);
    glVertex2d(0, 0);
    glVertex2d(640, 0);

    glColor3d(0.5, 0.6, 0.9);
    glVertex2d(640, 480);
    glVertex2d(0, 480);

    glEnd();

    //Draw Ground

    glBegin(GL_QUADS);

    glColor3d(0.5, 0.25, 0.1);
    glVertex2d(0, 0);
    glVertex2d(640, 0);

    glVertex2d(640, 32);
    glVertex2d(0, 32);

    glEnd();

    //Draw Grass

glBegin(GL_QUADS);

    glColor3d(0, 0.7, 0.1);
    glVertex2d(0, 25);
    glVertex2d(640, 25);

    glVertex2d(640, 32);
    glVertex2d(0, 32);

    glEnd();
    }

}

玩家类：

package Generic;


import static org.lwjgl.opengl.GL11.*;

public class Player {

    public double x, y, xspeed, yspeed;
    public Player() {
        x=100;
        y=100;

    }

public void draw() {


      glPushMatrix();


      glTranslated(x, y, 0);

      glBegin(GL_QUADS);

      glColor3d(1, 0, 0);
      glVertex2d(-8, 0);

      glColor3d(0, 1, 0);
      glVertex2d(8, 0);

      glColor3d(0, 0, 1);
      glVertex2d(8, 16);

      glColor3d(1, 1, 0);
      glVertex2d(-8, 16);

      glEnd();

      glPopMatrix();


}
    }

敌人类：

package Generic;


import static org.lwjgl.opengl.GL11.*;


public class Enemy {

    public double x, y;
    public Enemy() {
        x=200;
        y=32;

    }

public void logic()
{
    x+=1;
    if(x<=640+10) x = -10;

}

public void draw() {

    logic();  

      glPushMatrix();

      glTranslated(x, y, 0);

      glBegin(GL_QUADS);

      glColor3d(1, 0, 0);
      glVertex2d(-8, 0);

      glColor3d(0, 1, 0);
      glVertex2d(8, 0);

      glColor3d(0, 0, 1);
      glVertex2d(8, 16);

      glColor3d(1, 1, 0);
      glVertex2d(-8, 16);

      glEnd();

      glPopMatrix();


}
    }

敌人（应该是一个立方体）没有在屏幕上绘制。请帮忙，因为我是Java / LWJGL的新手，并且不知道如何自己解决它

Answer 1

看起来你在吸引敌人之后正在召唤drawBackground，这最有可能覆盖你的敌人？

请记住，在将内容绘制到屏幕上时，计算机将按照您调用它们的顺序绘制它们，而不管它是背景还是某种对象。

我的敌人不会画画

1 个答案: