/*float xoff;

 void setup() {

 size(600, 600, P3D);
 background(0);
 }

 void draw() {
 background(0);
 xoff = xoff + .01;
 float n = noise(xoff) * width;
 noStroke();
 directionalLight(n+255, 255-n+255, 126, 0, 0, -1);
 for (int i=0; i<20; i++) {
 translate(width/2, height/2, -height/2);
 for (int j=0; j<20; j++) {
 rotateX(frameCount/200.0);
 rotateY(frameCount/100.0);

 box(200);
 }
 }
 }*/
float taille = 5;
float x = 100;
float y = 80;
float xoff;
PVector[][] globe;
int total = 15;
float doff=0;

//PGraphics ciel = new PGraphics();

void setup() {
  size(1200, 1200, P3D);
  //ciel = createGraphics(width,height);
  background(27, 11, 61);
  frameRate(30);


  globe = new PVector[total+1][total+1];
}
float nombreEtoile;
void draw() {
  //ciel.beginDraw();
  float bigEtoile = random(500);
  if (nombreEtoile <500) {
    fill(255, 255, 255);
    ellipse(random(width), random(height), random(5), random(7));
    nombreEtoile = nombreEtoile + 0.7 ;
  }
  //ciel.endDraw();
  if (nombreEtoile>490) {
    //fill(255);
    //xoff = xoff +.01;
    //float n = noise(xoff) * width;
    //noStroke();
    //directionalLight(n+255, 255-n+255, 126, 0, 0, -1);
    //for (int i=0; i<20; i++) {

    /* fill(0, 0, 0, 10);
     rect(0, 0, width, height);
     if (int(random(30))==int(random(30))) {
     eclair(int(random(5)+5), random(width), 0, 10);
     }*/
    /*translate(width/2, height/2, -height/2);
     for (int j=0; j<20; j+=20) {
     rotateX(frameCount/200.0);
     rotateY(frameCount/100.0);
     sphere(taille);
     }*/
    fill(0, 0, 0, 10);
    rect(0, 0, width, height);
    if (int(random(30))==int(random(30))) {
      eclair(int(random(5)+5), random(width), 0, 10);
    }
    fill(255, 255, 255);
    ellipse(random(width), random(height), random(5), random(7));
    nombreEtoile = nombreEtoile +0.5 ;
  }

  if (nombreEtoile>800) {
    background(0);
    fill(255, 255, 255);
    ellipse(random(width), random(height), random(5), random(7));
    nombreEtoile = nombreEtoile + 0.5 ;
    doff+=0.01;
    translate(width/2, height/2, -width/2);
    noStroke();
    lights();
    /*rotateX(map(mouseY, 0, height, -PI, PI));
     rotateY(map(mouseX, 0, width, -PI, PI));*/

    //rotateX(PI/3);
    //rotateY(PI/3);

    fill(50, 50, 50, 200);
    voule(0, 0, 250+noise(doff)*50);


    fill(50, 50, 50, 200);
    voule(220, 10, 50+noise(doff)*50);

    fill(50, 50, 50, 200);
    voule(-20, -0, 200+noise(doff)*50);

    fill(0, 0, 0, 10);
    rect(0, 0, width, height);
    if (int(random(30))==int(random(30))) {
      eclair2(int(random(5)+5), random(-150, 150), random(-150, 150), 10);
    }
  } else if (nombreEtoile>1000) {
  }

  taille = taille + 1;

  if (taille > 100) {
    taille = 100+noise(doff)*50;
  }
}

void voule(int cx, int cy, float cr ) {
  translate(cx, cy);
  float xoff=0.01;
  float r = cr;
  for (int i = 0; i < total+1; i++) {

    float lat = map(i, 0, total, 0, PI);
    for (int j = 0; j < total+1; j++) {
      xoff+=0.5;
      float lon = map(j, 0, total, 0, TWO_PI);
      float x = (r+noise(xoff)*100) * sin(lat) * cos(lon);
      float y = (r+noise(xoff)*100) * sin(lat) * sin(lon);
      float z = (r+noise(xoff)*100) * cos(lat);
      globe[i][j] = new PVector(x, y, z);
    }
  }

  for (int i = 0; i < total; i++) {
    float hu = map(i, 0, total, 0, 255*6);
    noStroke();
    strokeWeight(1);
    beginShape(TRIANGLE_STRIP);
    for (int j = 0; j < total+1; j++) {
      PVector v1 = globe[i][j];
      vertex(v1.x, v1.y, v1.z);
      PVector v2 = globe[i+1][j];
      vertex(v2.x, v2.y, v2.z);
    }
    endShape();
  }
}
void eclair(int lng, float cx, float cy, float cs) {
  pushMatrix();
  float x=cx;
  float y=cy;
  float s=cs;
  for (int i=0; i<lng; i++) {
    float vx = random(-50, 50);
    float vy = random(30, 200);
    s=s* 0.8;
    strokeWeight(s);
    stroke(255);

    line(x, y, x+vx, y+vy);
    if (int(random(5))==int(random(5))) {
      pushMatrix();
      eclair(int(random(5)), x, y, s);
      popMatrix();
    }
    x=x+vx;
    y=y+vy;
  }
  popMatrix();
}

void eclair2(int lng, float cx, float cy, float cs) {
  pushMatrix();
  float x=cx;
  float y=cy;
  float s=cs;
  for (int i=0; i<lng; i++) {
    float vx = random(-150, 150);
    float vy = random(-150, 150);
    s=s* 0.8;
    strokeWeight(s);
    stroke(255);

    line(x, y, x+vx, y+vy);
    if (int(random(5))==int(random(5))) {
      pushMatrix();
      eclair(int(random(5)), x, y, s);
      popMatrix();
    }
    x=x+vx;
    y=y+vy;
  }
  popMatrix();
}