/**
* 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 HexagonalTileColider extends TileColider {
public HexagonalTileColider(int tileWidth, int tileHeight) {
super(tileWidth, tileHeight);
}
@Override
public boolean colideTile(Tile tile, int mx, int my, int offsetX,
int offsetY) {
return colideHexagonal(tile, mx, my, offsetX, offsetY);
}
private boolean colideHexagonal(Tile tile, int px, int py, int offsetX,
int offsetY) {
int x = px - tile.getX() - offsetX;
int y = py - tile.getY() - offsetY;
int my = tile.getHeight() / 3;
int mx = tile.getWidth() / 2;
if (x > mx * 3) {
x = mx - (x - mx * 3);
} else if (x > mx) {
return py >= tile.getY() && py <= tile.getY() + tile.getHeight();
}
return !((y > my + 1 + (2 * x)) || (y < my - 1 - (2 * x)));
}
}