////////////INNER CIRCLES & KEY PRESSED "R" TO RESET///////////////
////////////Work on adding velocity from v2.0//////////////////////
////////////////FOR WEB VISUALS ONLY///////////////////////////////



import promidi.*;
import maxlink.*;

float e1, f1;
float rSum;
int numCirc = 30;

BouncyCircle [] circles;

void setup() {
  size(900,600,P3D);
  loadPixels();
  stroke(0);
  ellipseMode(CENTER);
  circles = new BouncyCircle[numCirc];
  for (int i=0; i<circles.length; i++)
  circles[i] = new BouncyCircle();
  framerate(30);
}

///////////KEY PRESSED NUM = CIRCLES*10///////////////

void keyPressed() {
  if (key=='r'|key=='R') {
    circles = new BouncyCircle[numCirc];
    for (int i=0; i<circles.length; i++)
    circles[i] = new BouncyCircle();
  }
  else if (key=='1') {
    int numCirc = 10;
    circles = new BouncyCircle[numCirc];
    for (int i=0; i<circles.length; i++)
    circles[i] = new BouncyCircle();
  }
  else if (key=='2') {
    int numCirc = 20;
    circles = new BouncyCircle[numCirc];
    for (int i=0; i<circles.length; i++)
    circles[i] = new BouncyCircle();
  }
  else if (key=='3') {
    int numCirc = 30;
    circles = new BouncyCircle[numCirc];
    for (int i=0; i<circles.length; i++)
    circles[i] = new BouncyCircle();
  }
  else if (key=='4') {
    int numCirc = 40;
    circles = new BouncyCircle[numCirc];
    for (int i=0; i<circles.length; i++)
    circles[i] = new BouncyCircle();
  }
  else if (key=='5') {
    int numCirc = 50;
    circles = new BouncyCircle[numCirc];
    for (int i=0; i<circles.length; i++)
    circles[i] = new BouncyCircle();
  }
    else if (key=='6') {
    int numCirc = 60;
    circles = new BouncyCircle[numCirc];
    for (int i=0; i<circles.length; i++)
    circles[i] = new BouncyCircle();
  }
  else if (key=='<') {
    //for (int i=0; i<circles.length; i++)
    //circles[i].move.x = (dx -= 1.0);
    //circles[i].move.y = (dy -= 1.0);
  }
}


void draw() {
  background(0);
  for (int i=0; i<circles.length; i++){
  circles[i].move();
  circles[i].drawCircle(); 
  }
  
  //user-controlled object
  e1 = mouseX;
  f1 = mouseY;
  float g1 = 30;
  ellipse(e1, f1, g1*2, g1*2); //2D
}

class BouncyCircle {
  float x, y, dx, dy, r, d, dxold, dyold;
  int col;
  
  BouncyCircle() {
    r = (random(6.0,40.0));
    d = r * 2;
    x = (random(r,width-r));
    y = (random(r,height-r));
    dx = (random(-10.0,10.0)); //motion on x axis
    dy = (random(-10.0,10.0)); //motion on y axis
    dxold = dx;
    dyold = dy;
    col = color(random(0,255),random(0,255),random(0,255), 180);
  }
  

  void drawCircle() {
    fill(col);
    //fill(mouseX/3,mouseY/2.4, 255); //for changing colors with mouse position
    ellipse(x,y,r,r); //smaller circles
  }


  void move() {
    ellipse(x,y,d,d); //2D
    x += dx;
    y += dy;

/////////////////boundary collision//////////////////////////////////

   if (x > width-r) {
    // keep ellipse against boundary
    x = width-r;
    dx *= -1;
  }
  else if (x < r) {
    // keep ellipse against boundary
    x = r;
    dx *= -1;
  }
  else if (y > height-r) {
    // keep ellipse against boundary
    y = height-r;
    dy *= -1;
  }
  else if (y < r) {
    // keep ellipse against boundary
    y = r;
    dy *= -1;
  }

/////////////object collision///////////////////
    e1 = mouseX;
    f1 = mouseY;
    float g1 = 30;
    float h = dist(x, y, mouseX, mouseY);
    float rSum = r+g1;
    if (h < rSum){
      dx = (x-mouseX)/h;
      dy = (y-mouseY)/h;
    // keep ellipses from overlapping with user-controlled obj
    x = mouseX+(rSum)*dx;
    y = mouseY+(rSum)*dy;

    //test for zero speed and reset zero objects at collision
    if (dxold == 0.0|dxold <= 1.0){
     dx = (random(-12.0,12.0));
      }
      else {
        dx = dxold;
      }
      if (dyold == 0.0|dyold <= 1.0){
     dy = (random(-12.0,12.0));
      }
      else {
        dy = dyold;
      }
    }
  }
}