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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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