Created
November 16, 2017 18:07
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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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