/* built with Studio Sketchpad: 
 *   https://sketchpad.cc
 * 
 * observe the evolution of this sketch: 
 *   https://studio.sketchpad.cc/sp/pad/view/ro.qNuJZ9CZ9BK/rev.679
 * 
 * authors: 
 *   gregsaul

 * 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 cellWidth = 45;
int cellHeight = 45;

void setup() {  // this is run once.   
    
    // set the background color
    background(255);
    
    // specify canvas size
    size(800, 600); 
      
    // smooth edges
    smooth();
 background(200,200,200);
 
 
 
 
 
 for(int x = 0; x < width; x += cellWidth){
     
      for(int y = 0; y < height; y += cellHeight){
          
          
        fill(255); 
        noStroke(); 
       rect(x+1,y+1,cellWidth-2,cellHeight -2);   
          
 Diatom d = new Diatom(x+(cellWidth/2),y+ (cellHeight/2));
 d.setSize(cellWidth - 9);

  
  
d.render();
     
     }
     }
     
} 

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

}





class Diatom{
    float x = 0;
    float y = 0;
    float size = 10;
    int points = 4;
    
    
    Diatom(float x, float y){
        this.x = x;
        this.y = y;
        
        this.points = random(2,10);
        }
    
    
    void setSize(float s){
        this.size = s;
        }
    
    
    void render(){
        
               strokeWeight(1);
        stroke(100,100,100);
        
        float px = 0;
        float py = 0;
        float len = this.size/2;
        
        beginShape();
        
        for(int i  = 0; i <= this.points ; i++){
    px  = sin((TWO_PI/this.points) * i) * len;
    py  = cos((TWO_PI/this.points) * i) * len;
    
    vertex(px+x, py+y);
    }
    
    endShape(CLOSE);
 
      //  ellipse(this.x,this.y,this.size,this.size);
        }
    
    
    }