Platform.java

public class Platform {
	int x, y, width, height;

	public boolean isColliding(Player player){
		int distanceX = Math.abs(player.getX() - this.x);
		int distanceY = Math.abs(player.getY() - this.y);

		int widthSum = this.width / 2 + player.getWidth() / 2;
		int heightSum = this.height / 2 + player.getHeight() / 2;

		return distanceX < widthSum && distanceY < heightSum;
	}
}