Player.java

package com.todoroo.zxzx.entity;
/*
 * Copyright 2011 Rod Hyde (rod@badlydrawngames.com)
 *
 * 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.
 */



import com.todoroo.zxzx.Assets;
import com.todoroo.zxzx.general.Config;
import com.todoroo.zxzx.general.GameObject;

public class Player extends GameObject {

	public static final int FLYING = INACTIVE + 1;
	public static final int FLYING_LEFT = INACTIVE + 2;
	public static final int FLYING_RIGHT = INACTIVE + 3;
	public static final int DEATH = INACTIVE + 4;

	private static final float SPEED = Config.asFloat("Player.accel", 40f);
	private static final float DRAG = Config.asFloat("Player.drag", 1.05f);

	private float ax = 0, ay = 0, vx = 0, vy = 0;

	public Player () {
	    super();
		width = Assets.playerWidth;
		height = Assets.playerHeight;
		geometry = Assets.playerGeometry;
	}

	@Override
	public void update (float delta) {
		stateTime += delta;
		float d = delta * SPEED;

		if(ax != 0 & ay != 0) {
    		if(Math.signum(ax) != Math.signum(vx))
    		    vx = 0.2f * vx;

    		if(Math.signum(ay) != Math.signum(vy))
    		    vy = 0.2f * vy;
		}

		vx = vx / (DRAG) + ax * d;
		vy = vy / (DRAG) + ay * d;

		x += vx;
		y += vy;

		if (inCollision)
		    setState(DEATH);
		else if (vx > 7f && state == FLYING || vx > 4f && state == FLYING_RIGHT)
	        setState(FLYING_RIGHT);
		else if (vx < -7f && state == FLYING || vx < -4f && state == FLYING_LEFT)
	        setState(FLYING_LEFT);
		else
		  setState(FLYING);
	}

	public void setController (float x, float y) {
		ax = x;
		ay = y;
	}
}