/* built with Studio Sketchpad: 
 *   https://sketchpad.cc
 * 
 * observe the evolution of this sketch: 
 *   https://dflab.sketchpad.cc/sp/pad/view/ro.TK37khai49Q/rev.101
 * 
 * authors: 
 *   Mariana Pisa

 * license (unless otherwise specified): 
 *   creative commons attribution-share alike 3.0 license.
 *   https://creativecommons.org/licenses/by-sa/3.0/ 
 */ 



/* @pjs preload="http://1.bp.blogspot.com/_ucsME-AsFQU/Sl88mEl7ZeI/AAAAAAAAAlk/v4St3Mwzosk/s800/steven+kenny+109.jpg"; */
 
float px;
float py;
 
float jump = 40;


void setup() { 
     
    size(373, 500); 
 
    textura = loadImage("http://1.bp.blogspot.com/_ucsME-AsFQU/Sl88mEl7ZeI/AAAAAAAAAlk/v4St3Mwzosk/s800/steven+kenny+109.jpg");
    
    px = random (width);
    py = random (height);
    
    image (textura, 0, 0, 373, 500);
} 
 
// as instruções que estiverem dentro desta função draw
// são executadas a cada novo frame
 
void draw() {
    
    float npx = constrain (px + random (-jump, jump), 0, width);
    float npy = constrain (py + random (-jump, jump), 0, height);
  
    line (px, py, npx, npy);
    line (px, py, npx, npy);
 
    px = npx;
    py = npy;
    
    

    
}