import shiffman.box2d.*;
import org.jbox2d.collision.shapes.*;
import org.jbox2d.common.*;
import org.jbox2d.dynamics.*;

Box2DProcessing box2d;	// the "world"	

Box ground, block1; 

void setup() {
  size(800,500);
  //smooth();
  // Initialize and create the Box2D world
    box2d = new Box2DProcessing(this);
    box2d.createWorld();
    box2d.setGravity(0,-10);  // set gravity
    
    ground = new Box(width/2,height-10,width/2,8,1);  // 1 means static
    block1 = new Box(width/2,height/2,10,10,0);  // 0 means dynamic
    block1.setColor(255,0,0);
}

void draw() {
  background(255);
  //  step through time!
  box2d.step();    
  ground.display();
  block1.display();
  line(block1.getX(),block1.getY(),mouseX,mouseY);
}