Instantly share code, notes, and snippets.

Embed
What would you like to do?
OpenSimplexNoise noise;
int[][] result;
float t, c;
float ease(float p) {
return 3*p*p - 2*p*p*p;
}
float ease(float p, float g) {
if (p < 0.5)
return 0.5 * pow(2*p, g);
else
return 1 - 0.5 * pow(2*(1 - p), g);
}
float mn = .5*sqrt(3), ia = atan(sqrt(.5));
void push() {
pushMatrix();
pushStyle();
}
void pop() {
popStyle();
popMatrix();
}
void draw() {
if (!recording) {
t = mouseX*1.0/width;
c = mouseY*1.0/height;
if (mousePressed)
println(c);
draw_();
} else {
for (int i=0; i<width*height; i++)
for (int a=0; a<3; a++)
result[i][a] = 0;
c = 0;
for (int sa=0; sa<samplesPerFrame; sa++) {
t = map(frameCount-1 + sa*shutterAngle/samplesPerFrame, 0, numFrames, 0, 1);
draw_();
loadPixels();
for (int i=0; i<pixels.length; i++) {
result[i][0] += pixels[i] >> 16 & 0xff;
result[i][1] += pixels[i] >> 8 & 0xff;
result[i][2] += pixels[i] & 0xff;
}
}
loadPixels();
for (int i=0; i<pixels.length; i++)
pixels[i] = 0xff << 24 |
int(result[i][0]*1.0/samplesPerFrame) << 16 |
int(result[i][1]*1.0/samplesPerFrame) << 8 |
int(result[i][2]*1.0/samplesPerFrame);
updatePixels();
saveFrame("fr###.png");
println(frameCount,"/",numFrames);
if (frameCount==numFrames)
exit();
}
}
//////////////////////////////////////////////////////////////////////////////
int samplesPerFrame = 4;
int numFrames = 60;
float shutterAngle = .8;
boolean recording = true;
float R = 1.2;
float L = 160;
float scl = 0.013;
float radius = 200;
class Star{
float r = sqrt(random(1))*radius;
float the = random(TWO_PI);
float y = height/2 + r*sin(the);
float x = width/2 + r*cos(the);
void show(){
float intensity = pow(map(dist(x,y,width/2,height/2),0,radius,1,0),0.75);
float xx = x + intensity*L*(float)noise.eval(scl*x,scl*y,R*cos(TWO_PI*t),R*sin(TWO_PI*t));
float yy = y + intensity*L*(float)noise.eval(100+scl*x,scl*y,R*cos(TWO_PI*t),R*sin(TWO_PI*t));
stroke(255);
strokeWeight(1);
point(xx,yy);
}
}
void drawCurve(){
int m = 200;
stroke(255);
noFill();
beginShape();
for(int i=0;i<m;i++){
float theta = i*TWO_PI/m;
float y = height/2+radius*cos(theta);
float x = width/2+radius*sin(theta);
float intensity = pow(map(dist(x,y,width/2,height/2),0,radius,1,0),0.75);
float xx = x + intensity*L*(float)noise.eval(scl*x,scl*y,R*cos(TWO_PI*t),R*sin(TWO_PI*t));
float yy = y + intensity*L*(float)noise.eval(100+scl*x,scl*y,R*cos(TWO_PI*t),R*sin(TWO_PI*t));
vertex(xx,yy);
}
endShape(CLOSE);
}
int n = 40000;
Star[] array = new Star[n];
void setup(){
size(500,500);
result = new int[width*height][3];
noise = new OpenSimplexNoise();
for(int i=0;i<n;i++){
array[i] = new Star();
}
}
void draw_(){
background(0);
for(int i=0;i<n;i++){
array[i].show();
}
stroke(255);
strokeWeight(1);
drawCurve();
}
@rabonneau77

This comment has been minimized.

rabonneau77 commented Nov 28, 2017

I love it. You are awesome !

@soundmasteraj

This comment has been minimized.

soundmasteraj commented Mar 31, 2018

Amazing! Thank you.

Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment