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Author: CopyableCougar4 (posted 2014-07-06 01:51:26, viewed 154 times)

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import static org.lwjgl.opengl.GL15.*;
import static org.lwjgl.opengl.GL11.*;

import java.nio.FloatBuffer;

import org.lwjgl.BufferUtils;

public class VBO {
   
   public static int createVBO(float... data){
      int id = glGenBuffers();
      FloatBuffer buffer = BufferUtils.createFloatBuffer(data.length);
      buffer.put(data);
      buffer.flip();
      glBindBuffer(GL_ARRAY_BUFFER, id);
      glBufferData(GL_ARRAY_BUFFER, buffer, GL_STATIC_DRAW);
      return id;
   }
   
   public static void renderVBO(int vertexID, int textureID, int points){
       glEnableClientState(GL_TEXTURE_COORD_ARRAY);
       glBindBuffer(GL_ARRAY_BUFFER, textureID);
       glTexCoordPointer(2, GL_FLOAT, 0, 0);
      glEnableClientState(GL_VERTEX_ARRAY);
       glBindBuffer(GL_ARRAY_BUFFER, vertexID);
       glVertexPointer(2, GL_FLOAT, 0, 0);
       glDrawArrays(GL_QUADS, 0, points);
   }
   
   public static int[] createTexturedVBO(float[] vertices, float[] texcoordinates){
      int[] identifiers = new int[2];
      identifiers[0] = createVBO(vertices);
      identifiers[1] = createVBO(texcoordinates);
      return identifiers;
   }
   
   public static void renderTexturedVBO(int[] identifiers, int points){
      renderVBO(identifiers[0], identifiers[1], points);
   }

}





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