Bleuje · November 16, 2017 18:07 · Nov 16, 2017
diff --git a/ryojiikeda.pde b/ryojiikeda.pde
@@ -0,0 +1,83 @@
+OpenSimplexNoise noise;
+
+int numFrames = 100;
+
+int margin = 50;
+
+int m;
+
+class Line{
+  float lr;
+  float scl;
+  float h;
+
+  Line(float lr_,float scl_, float h_){
+    lr = lr_;
+    scl = scl_;
+    h = h_;
+  }
+}
+
+ArrayList<Line> lines = new ArrayList<Line>();
+
+
+void setup(){
+  size(600,600);
+  background(0);
+
+  noise = new OpenSimplexNoise();
+
+  float sumh = 0;
+  while(true){
+    float lr = 0.5*pow(random(0.5,2.0),2);
+    float scl = 0.1*pow(random(0.4,2),2);
+    float h = 100.0*pow(random(0.2,1),4.0);
+    sumh += h;
+    if(sumh>=height-2*margin){
+      h -= sumh - (height-2*margin);
+      lines.add(new Line(lr,scl,h));
+      m++;
+      break;
+    }
+    lines.add(new Line(lr,scl,h));
+    m++;
+  }
+
+  println(m);
+}
+
+void draw(){
+  blendMode(BLEND);
+  background(15);
+
+  float t = 1.0*(frameCount-1)%numFrames/numFrames;
+
+  float sumh = 0;
+
+  for(int j = 0;j<m;j++){
+    for(int x = margin;x<width-margin;x++){
+      float loop_radius = lines.get(j).lr;
+      double ns = noise.eval(100*j+lines.get(j).scl*x,loop_radius*cos(TWO_PI*t),loop_radius*sin(TWO_PI*t));
+      float col = constrain(map((float)ns,-0.05,0.05,0,255),0,255);
+      stroke(col);
+      line(x,margin+sumh,x,margin+lines.get(j).h+sumh);
+    }
+    sumh+=lines.get(j).h;
+  }
+
+  stroke(255);
+  noFill();
+  rect(margin,margin,width-2*margin,height-2*margin);
+
+  blendMode(EXCLUSION);
+  noStroke();
+  fill(255);
+  ellipse(width/2,height/2,0.7*width,0.7*width);
+
+  if(frameCount<=numFrames){
+    saveFrame("fr####.png");
+  }
+  if(frameCount==numFrames){
+    println("finished");
+  }
+}
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