public boolean canJump() {
		boolean jump = true;
		int jx = (int) x / 16;
		int jy = (int) y / 16;
		for (int i = 0; i < 4; i++) {
			if (level.getTile(jx, jy - i).solid()) jump = false;
		}
		if (!doJump) jump = false;
		return jump;
	}