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  1. /*float xoff;
  2.  
  3.  void setup() {
  4.  
  5.  size(600, 600, P3D);
  6.  background(0);
  7.  }
  8.  
  9.  void draw() {
  10.  background(0);
  11.  xoff = xoff + .01;
  12.  float n = noise(xoff) * width;
  13.  noStroke();
  14.  directionalLight(n+255, 255-n+255, 126, 0, 0, -1);
  15.  for (int i=0; i<20; i++) {
  16.  translate(width/2, height/2, -height/2);
  17.  for (int j=0; j<20; j++) {
  18.  rotateX(frameCount/200.0);
  19.  rotateY(frameCount/100.0);
  20.  
  21.  box(200);
  22.  }
  23.  }
  24.  }*/
  25. float taille = 5;
  26. float x = 100;
  27. float y = 80;
  28. float xoff;
  29. PVector[][] globe;
  30. int total = 15;
  31. float doff=0;
  32.  
  33. //PGraphics ciel = new PGraphics();
  34.  
  35. void setup() {
  36.   size(1200, 1200, P3D);
  37.   //ciel = createGraphics(width,height);
  38.   background(27, 11, 61);
  39.   frameRate(30);
  40.  
  41.  
  42.   globe = new PVector[total+1][total+1];
  43. }
  44. float nombreEtoile;
  45. void draw() {
  46.   //ciel.beginDraw();
  47.   float bigEtoile = random(500);
  48.   if (nombreEtoile <500) {
  49.     fill(255, 255, 255);
  50.     ellipse(random(width), random(height), random(5), random(7));
  51.     nombreEtoile = nombreEtoile + 0.7 ;
  52.   }
  53.   //ciel.endDraw();
  54.   if (nombreEtoile>490) {
  55.     //fill(255);
  56.     //xoff = xoff +.01;
  57.     //float n = noise(xoff) * width;
  58.     //noStroke();
  59.     //directionalLight(n+255, 255-n+255, 126, 0, 0, -1);
  60.     //for (int i=0; i<20; i++) {
  61.  
  62.     /* fill(0, 0, 0, 10);
  63.      rect(0, 0, width, height);
  64.      if (int(random(30))==int(random(30))) {
  65.      eclair(int(random(5)+5), random(width), 0, 10);
  66.      }*/
  67.     /*translate(width/2, height/2, -height/2);
  68.      for (int j=0; j<20; j+=20) {
  69.      rotateX(frameCount/200.0);
  70.      rotateY(frameCount/100.0);
  71.      sphere(taille);
  72.      }*/
  73.     fill(0, 0, 0, 10);
  74.     rect(0, 0, width, height);
  75.     if (int(random(30))==int(random(30))) {
  76.       eclair(int(random(5)+5), random(width), 0, 10);
  77.     }
  78.     fill(255, 255, 255);
  79.     ellipse(random(width), random(height), random(5), random(7));
  80.     nombreEtoile = nombreEtoile +0.5 ;
  81.   }
  82.  
  83.   if (nombreEtoile>800) {
  84.     background(0);
  85.     fill(255, 255, 255);
  86.     ellipse(random(width), random(height), random(5), random(7));
  87.     nombreEtoile = nombreEtoile + 0.5 ;
  88.     doff+=0.01;
  89.     translate(width/2, height/2, -width/2);
  90.     noStroke();
  91.     lights();
  92.     /*rotateX(map(mouseY, 0, height, -PI, PI));
  93.      rotateY(map(mouseX, 0, width, -PI, PI));*/
  94.  
  95.     //rotateX(PI/3);
  96.     //rotateY(PI/3);
  97.  
  98.     fill(50, 50, 50, 200);
  99.     voule(0, 0, 250+noise(doff)*50);
  100.  
  101.  
  102.     fill(50, 50, 50, 200);
  103.     voule(220, 10, 50+noise(doff)*50);
  104.  
  105.     fill(50, 50, 50, 200);
  106.     voule(-20, -0, 200+noise(doff)*50);
  107.  
  108.     fill(0, 0, 0, 10);
  109.     rect(0, 0, width, height);
  110.     if (int(random(30))==int(random(30))) {
  111.       eclair2(int(random(5)+5), random(-150, 150), random(-150, 150), 10);
  112.     }
  113.   } else if (nombreEtoile>1000) {
  114.   }
  115.  
  116.   taille = taille + 1;
  117.  
  118.   if (taille > 100) {
  119.     taille = 100+noise(doff)*50;
  120.   }
  121. }
  122.  
  123. void voule(int cx, int cy, float cr ) {
  124.   translate(cx, cy);
  125.   float xoff=0.01;
  126.   float r = cr;
  127.   for (int i = 0; i < total+1; i++) {
  128.  
  129.     float lat = map(i, 0, total, 0, PI);
  130.     for (int j = 0; j < total+1; j++) {
  131.       xoff+=0.5;
  132.       float lon = map(j, 0, total, 0, TWO_PI);
  133.       float x = (r+noise(xoff)*100) * sin(lat) * cos(lon);
  134.       float y = (r+noise(xoff)*100) * sin(lat) * sin(lon);
  135.       float z = (r+noise(xoff)*100) * cos(lat);
  136.       globe[i][j] = new PVector(x, y, z);
  137.     }
  138.   }
  139.  
  140.   for (int i = 0; i < total; i++) {
  141.     float hu = map(i, 0, total, 0, 255*6);
  142.     noStroke();
  143.     strokeWeight(1);
  144.     beginShape(TRIANGLE_STRIP);
  145.     for (int j = 0; j < total+1; j++) {
  146.       PVector v1 = globe[i][j];
  147.       vertex(v1.x, v1.y, v1.z);
  148.       PVector v2 = globe[i+1][j];
  149.       vertex(v2.x, v2.y, v2.z);
  150.     }
  151.     endShape();
  152.   }
  153. }
  154. void eclair(int lng, float cx, float cy, float cs) {
  155.   pushMatrix();
  156.   float x=cx;
  157.   float y=cy;
  158.   float s=cs;
  159.   for (int i=0; i<lng; i++) {
  160.     float vx = random(-50, 50);
  161.     float vy = random(30, 200);
  162.     s=s* 0.8;
  163.     strokeWeight(s);
  164.     stroke(255);
  165.  
  166.     line(x, y, x+vx, y+vy);
  167.     if (int(random(5))==int(random(5))) {
  168.       pushMatrix();
  169.       eclair(int(random(5)), x, y, s);
  170.       popMatrix();
  171.     }
  172.     x=x+vx;
  173.     y=y+vy;
  174.   }
  175.   popMatrix();
  176. }
  177.  
  178. void eclair2(int lng, float cx, float cy, float cs) {
  179.   pushMatrix();
  180.   float x=cx;
  181.   float y=cy;
  182.   float s=cs;
  183.   for (int i=0; i<lng; i++) {
  184.     float vx = random(-150, 150);
  185.     float vy = random(-150, 150);
  186.     s=s* 0.8;
  187.     strokeWeight(s);
  188.     stroke(255);
  189.  
  190.     line(x, y, x+vx, y+vy);
  191.     if (int(random(5))==int(random(5))) {
  192.       pushMatrix();
  193.       eclair(int(random(5)), x, y, s);
  194.       popMatrix();
  195.     }
  196.     x=x+vx;
  197.     y=y+vy;
  198.   }
  199.   popMatrix();
  200. }
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