/* built with Studio Sketchpad: 
 *   https://sketchpad.cc
 * 
 * observe the evolution of this sketch: 
 *   https://dflab.sketchpad.cc/sp/pad/view/ro.HA8MZsVYoTr/rev.2
 * 
 * authors: 
 *   Manuel Menezes

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



float px;
float py;
 
float jump = 7;

void setup() {  
    size(500, 500); 
 
    background(108,57,37);
    fill (0);
    strokeWeight (4);
    ellipse (400,170,100,100);
    line (400,200,400,350);
    
    line (400,350,300,600);
    line (400,350,500,600);
    
    line (400,240,340,340);line (340,340,290,260);
    
    line (400,240,450,320);line (450,320,400,340);
    stroke(229,140,56);
    strokeWeight(3);
    line (290,260,280,260);
    stroke (255);
    line (280,260,254,260);
    stroke (252,74,3);
    line(254,260,250,260);
    px = 250;
    py = 250;
} 
 
// as instruções que estiverem dentro desta função draw
// são executadas a cada novo frame
 
void draw() {
    float npx = constrain (px + random (-jump, jump), 0, 250);
    float npy = constrain (py + random (-jump, jump), 0, 250);
    strokeWeight (random(20));
    stroke (150,150,150, random (70));
    line (px, py, npx, npy);
    
    px = npx;
    py = npy;
}