package lilWorld;
import processing.core.PApplet;
import processing.core.PVector;
import java.util.ArrayList;
import java.util.List;

public abstract class Creature{
	
	protected static final double PI = 3.14159265;
	PVector loc;
	PVector vel;
	PVector acc;
	PApplet parent;
	PVector grav = new PVector(0,0.1f);
	int mass;
	int size;
	int dir;
	Boolean changeColor= false;
	
	Creature(PVector l, PVector a, PVector v, int m_, PApplet p) 
	{
	    loc = l.get();
	    vel = new PVector(0,0);//v.get();
	    acc = a.get();
	    mass = m_;
	    size = m_*2;
	    parent = p;
	    
	    
	}
	
	public void applyForce(PVector force)
	{
		  //force.mult(2);
		  //force.div(mass);
		  acc.add(force);
	}
	
	public void move()
	{
		//creep(creepSpeed);
	    applyForce(grav);
	    
	    // applyForce(. .. );
	    // applyForce(. . .);
		
		if((loc.x <= 10) || (loc.x >= parent.width-10))
		{
			
			//vel.x = -vel.x; //pure bounce
			PVector edgeForce = new PVector(-vel.x/3,parent.random(-1,5));
			this.vel.mult(0);
			applyForce(edgeForce);
		}
		if ((loc.y <= 5) || (loc.y >= parent.height-10))
		{ 
			//vel.y = -vel.y; //pure bounce
			PVector edgeForce = new PVector(parent.random(-2,2),-vel.y/3);
			this.vel.mult(0);
			applyForce(edgeForce);
		}
		vel.add(acc);
		loc.add(vel);
		acc.mult(0);
		loc.x = PApplet.constrain(loc.x,0,parent.width-3);
	    loc.y = PApplet.constrain(loc.y,0,parent.height-3);
	    
	    
	}
	
	
	public void grow()
	{
		
	}
	
	public int getSize()
	{
		return size;
	}
	
	public void changeColor()
	{
		changeColor= true;
	}
	
	public Boolean getChangeColor()
	{
		if(changeColor)
		{
			return true;
		}
		else
		{
			return false;
		}
	}

	public abstract void show();

	
}