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  bit of help converting?  (Read 750 times)
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Offline deepthought
« Posted 2010-12-22 20:06:40 »

could someone help me convert this code to generate a modelview/projection matrix?

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package com.google.sites.lvgeeks.deepthought.utils.opengl.lwjgl;
import org.lwjgl.opengl.*;
import org.lwjgl.util.glu.*;
public class AnotherBloodyCamera {

   

public static void look(int FOV,float aspectratio, float atx, float aty, float atz,float yaw, float pitch,float roll)
   {
      yaw+=180;
      while(pitch>360||pitch<0)
      {
      if(pitch>360)
      {
         pitch-=360;
      }
      if(pitch<0)
      {
         pitch+=360;
         
      }
      }
     
      while(yaw>360||yaw<0)
      {
      if(yaw>360)
      {
         yaw-=360;
      }
      if(yaw<0)
      {
         yaw+=360;
      }
      }
     
     
      while(roll>360||roll<0)
      {
      if(roll>360)
      {
         roll-=360;
      }
      if(roll<0)
      {
         roll+=360;
      }
      }
     
     
     
      double yawrad = (Math.PI*yaw)/180;
      double pitchrad = (Math.PI*pitch)/180;
     
      float lookz=(float) (atz+(30*Math.cos(yawrad)));
      float lookx=(float) (atx+(30*Math.sin(yawrad)));
      float looky=(float) (aty+(30*Math.tan(pitchrad)));
     
       
      GL11.glMatrixMode(GL11.GL_PROJECTION);
        GL11.glLoadIdentity();
     
      GLU.gluPerspective(FOV, aspectratio, 1f, 9000f);
     
        GL11.glMatrixMode(GL11.GL_MODELVIEW);
        GL11.glLoadIdentity();
       
        GL11.glRotatef(-roll, 0, 0, 1);
       
       
        GLU.gluLookAt(atx, aty, atz, lookx, looky, lookz, 0, 1, 0);
     
     
        //System.out.println(lookx+" "+ looky+" "+ lookz);
     
   }
   
}


Thanks!

Mad Scientist
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