float r;
float theta;
float theta_vel;
float theta_acc;
int sized=2;
PFont font;
char[] val;

void setup(){
 size(screen.width,screen.height);
 //size(400,200);
 frameRate(60);
 background(0);
 strokeWeight(1);
 smooth();
 noCursor();
 font=loadFont("CourierNewPSMT-72.vlw");
 theta=0.0f;
 theta_vel = 0.0f;
 theta_acc = 0.001f;
 r = 100.0;
 //noLoop();
}


void draw(){
 //background(0);
 textFont(font,12);
 text("r :"+r, 10, 15);
 //fill(0,20);
 //rect(0, 0, 150, 20);
   
 
 //r = random(50,width);
 // Create an alpha blended background
 //fill(255, 40);
 //rect(0,0,width,height);


 // Get a noise value based on xoff and scale it according to the window's width
 noiseDetail(8, 0.75);
 //float n = r*cos(random(noise(xoff)*width));
 //float m = r*sin(random(noise(yoff)*height));
 translate(mouseX, mouseY);
 rotate(theta);
 float n = r * cos(theta);
 float m = r * sin(theta);
 // With each cycle, increment xoff
 //xoff += xincrement;
 //yoff += yincrement;
 //scale(mouseX/random(126,128));
 // Draw the ellipse at the value produced by perlin noise
 //fill(random(0,50), random(n), random(m),random(20,255));

//switching two colors according to odd and even seconds
 int sec = second();
  switch(sec%2) {
    case 0:
      stroke(180,20);
      fill(random(0,2000),random(30,100));
      break;
    case 1:
      stroke(#FFD024,20);
      fill(#FFD024,90);
      break;
  }
 
 float randomsize= random(sized, sized*5);
 ellipse(n/2,m/2,randomsize,randomsize);
 line(0,0,n/random(16,32),m/random(8,24));
 noStroke(); // no stroke for the ellipse
 
 
 theta_vel += theta_acc;
 theta += theta_vel;
 
 //keyboard user interaction
 if (key == 's' || key == 'S'){
   exit();
   }
 
}

void keyPressed(){
 if (key == '+'){
   r += 1.0;
 }
 else if(key == '-') {
   r -= 1.0;
 }
 else if((key >= '0') && (key  <= '9')){
   println(key);
 }
}

void mousePressed() {
 if (mouseButton == RIGHT){
   background(0);
 }
}

void mouseDragged() {
 if (mouseButton == LEFT){
   redraw();
 }
 }