Package ponkOut.graphics

Source Code of ponkOut.graphics.SolidBallGO

/* Copyright 2010 Christian Matt
*
* This file is part of PonkOut.
*
* PonkOut is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* PonkOut is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with PonkOut.  If not, see <http://www.gnu.org/licenses/>.
*/

package ponkOut.graphics;

import org.lwjgl.opengl.GL11;
import org.lwjgl.util.glu.Sphere;
import org.lwjgl.util.vector.Vector2f;

import ponkOut.logic.Ball;

public class SolidBallGO extends BallGO {
  private int displayList;

  public SolidBallGO(Ball ball, Material material, GraphicsObjectsManager goManager) {
    super(ball, material, goManager);

    Sphere sphere = new Sphere();

    float radius = ball.getRadius();

    // use more polygons for larger balls
    int res = (int) (7 + 15.0f * radius);

    // create display list
    displayList = GL11.glGenLists(1);
    GL11.glNewList(displayList, GL11.GL_COMPILE);

    sphere.draw(radius, res, res);

    GL11.glEndList();
  }

  @Override
  public void draw() {
    // store current transformation matrix
    GL11.glPushMatrix();

    // translate to ball position
    Vector2f pos = ball.getPosition();
    GL11.glTranslatef(pos.x, pos.y, 0.0f);

    // enable lighting
    Lighting.enable(false);

    // set material
    appearance.use();

    // draw the ball
    GL11.glCallList(displayList);

    // disable lighting
    Lighting.disable();

    // restore transformation matrix
    GL11.glPopMatrix();
  }
}
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