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int gridpoints = 10;
int height = 4000;
int width = 4000;
int distance = (height/gridpoints);
int x = distance;
int y = distance;
int size = 250;

void setup() {
  size(4000, 4000);
  background(246, 237, 219);
ellipseMode(CENTER);
rectMode(CENTER);
  noStroke();
  noLoop();
  
}

void draw() {  

for (int j = 0; j < gridpoints-1; j++){
  
for (int i = 0; i < gridpoints-1; i++){
 
  fill(int(random(255)), int(random(160, 200)), int(random(120, 180)), int(random(120, 220)));
   float coin = random(0,1);
  
  float offsetx = x - (size*0.5);
  float offsety = y + (tan(30)+(size*0.5));
  
  if (coin < 0.333){
  
  triangleSimple(offsetx, offsety, size, (sqrt((size*size)-((size*0.5)*(size*0.5)))));
  
  }
  else if (coin < 0.666) { 
rect(x,y, size, size);
  }
  else {
    
   ellipse(x, y, size, size);
    
  }
  
  x += distance;
   
 }
 
x = distance;
y = y + distance;

}


save("shape grid1.png");
}



void polygon(float x, float y, float radius, int npoints) {
  float angle = TWO_PI / npoints;
  beginShape();
  for (float a = 0; a < TWO_PI; a += angle) {
    float sx = x + cos(a) * radius;
    float sy = y + sin(a) * radius;
    vertex(sx, sy);
  }
  endShape(CLOSE);
}


void triangleSimple(float x, float y, float w, float h){
    // A wrapper for standard triangle() command. 
    // triangleSimple has the lower left corner as x,y 
    triangle(x,y,
    x+w/2, y-h,
    x+w, y);
}