/* built with Studio Sketchpad: 
 *   https://sketchpad.cc
 * 
 * observe the evolution of this sketch: 
 *   https://studio.sketchpad.cc/sp/pad/view/ro.$Ic5imUqXCI/rev.847
 * 
 * authors: 
 *   Kris Moncada

 * 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; 
float lineAmp = .5;
int intDirection = 1;
void setup() {  // this is run once.   
    
    // set the background color
    background(255);
    
    // canvas size (Variable aren't evaluated. Integers only, please.)
    size(500, 500); 
      
    // smooth edges
    smooth();
    
    // limit the number of frames per second
    frameRate(30);
    
    // set the width of the line. 
    strokeWeight(1);
    
    

} 

void draw() {  // this is run repeatedly.  
    background(255);
    
    // set the color
    stroke(random(50), random(255), random(255), 100);
    
    // draw the line
    //line(mouseX, 0, random(0, width), height);
    
    float a = 0.0;
    float inc = TWO_PI/25.0;
    for(int i=0; i<150; i++) {
      line( mouseX, (mouseY), (i*3), 150 + (lineAmp * cos(a)*40.0) );
      a = a + inc;
      
      
      
        lineAmp += .0001 * intDirection;  
    
      
    }
    
    if(lineAmp > 1.5){
        intDirection = -1;
    };
    
    if(lineAmp < -1.5){
        intDirection = 1;
    };
    
    
    
}