import greenfoot.*;
import java.util.List;
import java.util.ArrayList;  // (World, Actor, GreenfootImage, Greenfoot and MouseInfo)

/**
 * Write a description of class Player here.
 * 
 * @author (your name) 
 * @version (a version number or a date)
 */
public class Player extends Actor2
{
    private int speed = 2; //movement speed  
    private int vSpeed = 0; //vertical speed  
    private int acceleration = 2; //gravity effect while falling  
    private int jumpStrength = -8;
    /**
     * Act - do whatever the Player wants to do. This method is called whenever
     * the 'Act' or 'Run' button gets pressed in the environment.
     */
    public void act() 
    {
        move();

    }

    public void move()
    {
        if(Greenfoot.isKeyDown("W"))
        {
            vSpeed = jumpStrength;
            fall();
        }
        if(Greenfoot.isKeyDown("D"))
        {
            setLocation(getX()+3, getY());
            animate();

        }
        if(Greenfoot.isKeyDown("A"))
        {
            setLocation(getX()-3, getY());
        }
        if(Greenfoot.isKeyDown("space"))
        {

        }

    }

    private int imageTimer;  
    private int maxImageTime = 10;  

    public void animate()  
    {  
        if (imageTimer%maxImageTime == 0)  
        {  
            if (imageTimer == 0) setImage("Walk3.fw.png" /* +".png" */); // or whatever  
            else setImage("Spritewalk2.fw.png" /* +".png" */); // or whatever  
        }  
        imageTimer = (imageTimer+1)%(maxImageTime*2);  
    } 

    public void fall()  
    {  
        setLocation(getX(), getY()+vSpeed);  
        vSpeed = vSpeed + acceleration;  
    } 

    public boolean onPlatform()  
    {  
        Actor under = getOneObjectAtOffset (0, getImage().getHeight()/2, Platform1.class);  
        return under != null;  
    }  

    public void checkFall()  
    {  
        if (onPlatform())  
        {  
            vSpeed = 0;  
        }  
        else  
        {  
            fall();  
        }  
    } 

}