Android Open Source - square-libgdx Square

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License

The source code is released under:
GNU General Public License
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Java Source Code

package actors;
/* w w w  .  j a  v a2  s  .co  m*/
import screens.GameScreen;

import com.badlogic.gdx.Gdx;
import com.badlogic.gdx.Input.Keys;
import com.badlogic.gdx.InputProcessor;
import com.badlogic.gdx.graphics.Color;
import com.badlogic.gdx.graphics.GL10;
import com.badlogic.gdx.graphics.OrthographicCamera;
import com.badlogic.gdx.graphics.Pixmap;
import com.badlogic.gdx.graphics.Texture;
import com.badlogic.gdx.graphics.g2d.Sprite;
import com.badlogic.gdx.graphics.g2d.SpriteBatch;
import com.badlogic.gdx.graphics.g2d.TextureRegion;
import com.badlogic.gdx.maps.tiled.TiledMapTileLayer;
import com.badlogic.gdx.maps.tiled.TiledMapTileLayer.Cell;
import com.badlogic.gdx.math.Vector2;

public class Square  implements InputProcessor {

  private Vector2 velocity = new Vector2();
  private float speed = 60 * 2f;
  private float centerX = Gdx.graphics.getWidth() / 2;
  private float centerY = Gdx.graphics.getHeight() / 2;
  private TiledMapTileLayer collisionLayer;
  private float  degrees = 60 * 0.001f; 
  private Pixmap squarePixmap;
  private Texture squareTexture;
  private OrthographicCamera  camera;
  public Sprite squareSprite;
  
  public Square(TiledMapTileLayer tiledMapTileLayer) {
    squarePixmap = new Pixmap(32,32,Pixmap.Format.RGB565);
    squarePixmap.setColor(Color.MAGENTA);
    squarePixmap.fillRectangle(0, 0, 60, 60);
    squarePixmap.setColor(Color.BLACK);
    squareTexture = new Texture(squarePixmap);
    squareSprite =  new Sprite(squareTexture);
    squareSprite.setColor(Color.BLACK);
    collisionLayer = tiledMapTileLayer;
    
  
  }

  public void draw(SpriteBatch spritebatch) {
    spritebatch.begin();
    squareSprite.draw(spritebatch);
    spritebatch.end();
  }

  public void update(float delta) {
    // TODO Auto-generated method stub
  
    
    squareSprite.setX(squareSprite.getX() + velocity.x *delta);
    squareSprite.setY(squareSprite.getY() +velocity.y * delta);
    
    
    float tileWidth = collisionLayer.getTileWidth(), tileHeight = collisionLayer
        .getTileHeight();
    boolean collision = false;

    // top left
    if (collisionLayer.getCell((int) (squareSprite.getX() / tileWidth),
        (int) ((squareSprite.getY() + squareSprite.getHeight()) / tileHeight)) != null) {
      if (collisionLayer.getCell((int) (squareSprite.getX() / tileWidth),
          (int) ((squareSprite.getY() + squareSprite.getHeight()) / tileHeight)).getTile() != null) {
        collision = true;
      }
    }
    // top right
    if (collisionLayer.getCell((int) ((squareSprite.getX() + squareSprite.getWidth()) / tileWidth),
        (int) ((squareSprite.getY() + squareSprite.getHeight()) / tileHeight)) != null) {
      if (collisionLayer.getCell(
          (int) ((squareSprite.getX() + squareSprite.getWidth()) / tileWidth),
          (int) ((squareSprite.getY() + squareSprite.getHeight()) / tileHeight)).getTile() != null) {
        collision = true;
      }
    }
    // bottom left
    if (collisionLayer.getCell((int) (squareSprite.getX() / tileWidth),
        (int) (squareSprite.getY() / tileHeight)) != null) {
      if (collisionLayer.getCell((int) (squareSprite.getX() / tileWidth),
          (int) (squareSprite.getY() / tileHeight)).getTile() != null) {
        collision = true;
      }
    }
    // bottom right

    if (collisionLayer.getCell((int) ((squareSprite.getX() + squareSprite.getWidth()) / tileWidth),
        (int) (squareSprite.getY()/ tileHeight)) != null) {
      if (collisionLayer.getCell(
          (int) ((squareSprite.getX() + squareSprite.getWidth()) / tileWidth),
          (int) (squareSprite.getY() / tileHeight)).getTile() != null) {
        collision= true;
      }
    }
    if (collision) {
      Gdx.app.log("Square collision","true");
      GameScreen.endGame();
    }
    
    //Rotate the square
    degrees = velocity.x * delta;
    squareSprite.rotate(degrees);
  
  }

  public void goUp() {
    velocity.y = speed;
  }

  public void goDown() {
    velocity.y = -speed;
  }

  public void goRight() {
    velocity.x = speed;
  }

  public void goLeft() {
    velocity.x = -speed;
  }

  public void touchRegion(float screenX, float screenY) {
    // Go top Left
    if (screenX < centerX && screenY < centerY) {
      goLeft();
      goUp();

    }
    // Go bottom Left
    if (screenX < centerX && screenY > centerY) {
      goLeft();
      goDown();
    }
    // Go top right
    if (screenY < centerY && screenX > centerX) {
      goUp();
      goRight();
    }
    if (screenY > centerY && screenX > centerX) {
      goDown();
      goRight();
    }
  }

  @Override
  public boolean touchDown(int screenX, int screenY, int pointer, int button) {
    // TODO Auto-generated method stub
    touchRegion(screenX, screenY);
    return true;
  }

  @Override
  public boolean touchUp(int screenX, int screenY, int pointer, int button) {
    // TODO Auto-generated method stub

    return true;
  }

  @Override
  public boolean touchDragged(int screenX, int screenY, int pointer) {
    // TODO Auto-generated method stub
    return false;
  }

  @Override
  public boolean mouseMoved(int screenX, int screenY) {
    // TODO Auto-generated method stub
    return false;
  }

  @Override
  public boolean scrolled(int amount) {
    // TODO Auto-generated method stub
    return false;
  }

  public void setCamera(OrthographicCamera camera) {
    // TODO Auto-generated method stub
    this.camera = camera;
  }

  @Override
  public boolean keyDown(int keycode) {
    // TODO Auto-generated method stub
    switch(keycode)
    {
    case Keys.E:
      goRight();
      goUp();
      break;
    case Keys.Q:
      goLeft();
      goUp();
      break;
    case Keys.A:
      goDown();
      goLeft();
      break;
    case Keys.D:
      goDown();
      goRight();
      break;
    }
    return true;
  }

  @Override
  public boolean keyUp(int keycode) {
    // TODO Auto-generated method stub
    return false;
  }

  @Override
  public boolean keyTyped(char character) {
    // TODO Auto-generated method stub
    return false;
  }

}
Java Source Code List
