Android Open Source - clash_of_balls Game Wall

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Back to project page clash_of_balls.

License

The source code is released under:

GNU General Public License

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Java Source Code

/*
 * Copyright (C) 2012-2013 Hans Hardmeier <hanshardmeier@gmail.com>
 * Copyright (C) 2012-2013 Andrin Jenal/*from ww w .j  a v a 2s  .com*/
 * Copyright (C) 2012-2013 Beat Kng <beat-kueng@gmx.net>
 * 
 * This program 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; version 3 of the License.
 * 
 * This program 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.
 *
 */

package com.sapos_aplastados.game.clash_of_balls.game;

import org.jbox2d.dynamics.BodyDef;
import org.jbox2d.dynamics.BodyType;
import org.jbox2d.dynamics.FixtureDef;
import org.jbox2d.dynamics.World;

import com.sapos_aplastados.game.clash_of_balls.Texture;

public class GameWall extends StaticGameObject {
  
  public enum WallType {
    Wall_horizontal,
    Wall_vertical,
    Wall_cross,
    Wall_Corner_up_right,
    Wall_Corner_up_left,
    Wall_Corner_down_right,
    Wall_Corner_down_left
  }
  private final WallType m_wall_type;

  public GameWall(GameBase owner, short id, Vector pos, WallType wall_type
      , Texture texture, World world, BodyDef body_def) {
    
    super(id, Type.Wall, texture);    
    m_wall_type = wall_type;
    
    final float restitution = 1.0f;
    float angle = 0.f;
    
    switch(m_wall_type) {
    case Wall_Corner_down_left: 
      angle = 2.f*(float) Math.PI / 2;
      break;
    case Wall_Corner_down_right: 
      angle = 3.f*(float) Math.PI / 2;
      break;
    case Wall_Corner_up_left:
    case Wall_horizontal: 
      angle = (float) Math.PI / 2;
      break;
    case Wall_Corner_up_right:
    case Wall_vertical:
    case Wall_cross:
      break;
    }
  
    body_def.type = BodyType.STATIC;
    body_def.position.set(pos.x, pos.y);
    body_def.angle = angle;
    body_def.userData = this;
    m_body = world.createBody(body_def);
    
    switch(m_wall_type) {
    case Wall_Corner_down_left:
    case Wall_Corner_down_right:
    case Wall_Corner_up_left:
    case Wall_Corner_up_right:
      addWallRectFixture(-0.11f,0.23f,0.22f,0.22f, restitution);
      addWallRectFixture(-0.11f,-0.11f,0.22f,0.22f, restitution);
      addWallRectFixture(0.22f,-0.11f,0.22f,0.22f, restitution);
      break;
    case Wall_horizontal:
    case Wall_vertical:
      addWallRectFixture(-0.11f, -0.5f, 0.22f, 1.0f, restitution);
      break;
    case Wall_cross:
      addWallRectFixture(-0.11f, -0.5f, 0.22f, 1.0f, restitution);
      addWallRectFixture(-0.5f, -0.11f, 1.0f, 0.22f, restitution);
      break;
    default:
      break;
    
    }
    
  }
  
  private void addWallRectFixture(float x, float y, float w, float h, float restitution) {
    FixtureDef fixture_def = createRectFixtureDef(0.0f, 0.0f, restitution, 
        x, y, w, h, 0.0f);
    fixture_def.filter.categoryBits = COLLISION_GROUP_NORMAL;
    fixture_def.filter.maskBits = COLLISION_GROUP_NORMAL;
    m_body.createFixture(fixture_def);
  }
}

Java Source Code List