OrthogonalTileColider.java

/**
 * Copyright 2014
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 * 
 * @project loon
 * @author cping
 * @email：javachenpeng@yahoo.com
 * @version 0.4.1
 */
package loon.action.map.colider;

public class OrthogonalTileColider extends TileColider {

	public OrthogonalTileColider(int tileWidth, int tileHeight) {
		super(tileWidth, tileHeight);
	}

	@Override
	public boolean colideTile(Tile tile, int mx, int my, int offsetX, int offsetY) {

		return colideRectangular(tile, mx, my, offsetX, offsetY);
	}

	private boolean colideRectangular(Tile tile, int px, int py, int offsetX, int offsetY) {
		int x = px-tile.getX()-offsetX;
		int y = py-tile.getY()-offsetY;
		if((x < tile.getX()) || (x > tile.getX() + tile.getWidth())) {
			return false;
		}
		return !((y < tile.getY()) || (y > tile.getY() + tile.getHeight()));
	}

}