/* built with Studio Sketchpad: 
 *   https://sketchpad.cc
 * 
 * observe the evolution of this sketch: 
 *   https://studio.sketchpad.cc/sp/pad/view/ro.hNSdLiwe$w1/rev.1025
 * 
 * authors: 
 *   hasanein

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



// Pressing Control-R will render this sketch.

int i = 0;
int  j = 0;
boolean set = true;
int angle = 15;

void setup() {  // this is run once.   
    
    // set the background color
    background(0);
    
    // canvas size (Variable aren't evaluated. Integers only, please.)
    size(300, 300); 
      
    // smooth edges
    smooth();
    
    // limit the number of frames per second
    frameRate(700);
    
    // set the width of the line. 
    strokeWeight(2);
} 

void draw() {  // this is run repeatedly.  

    // set the color
    stroke(random(255), random(255), random(255), random(255));
    //stroke(255, 255, 255, 255);
    
    // Draw a line with some slop
    for(int x = 0 ; x < 500 ; x++)
    {
        line(i, 0, i, height);
        translate(i, 0);
        rotate(radians(angle));
    }
    
    if(angle == 360)
    {
        angle = 15;
    }
    else
    {
        angle *= 2;
    }
    
    // move over a pixel
    if (i == width) 
    {
        i = 0;
    } 
    else 
    {
        i += 10;
    }
}