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@Bleuje
Created April 9, 2018 19:15
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int[][] result;
float t, c;
public float ease(float p) {
return 3*p*p - 2*p*p*p;
}
public float ease(float p, float g) {
if (p < 0.5f)
return 0.5f * pow(2*p, g);
else
return 1 - 0.5f * pow(2*(1 - p), g);
}
float mn = .5f*sqrt(3), ia = atan(sqrt(.5f));
public void push() {
pushMatrix();
pushStyle();
}
public void pop() {
popStyle();
popMatrix();
}
public void draw() {
if (!recording) {
t = mouseX*1.0f/width;
c = mouseY*1.0f/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 |
PApplet.parseInt(result[i][0]*1.0f/samplesPerFrame) << 16 |
PApplet.parseInt(result[i][1]*1.0f/samplesPerFrame) << 8 |
PApplet.parseInt(result[i][2]*1.0f/samplesPerFrame);
updatePixels();
saveFrame("fr###.png");
println(frameCount,"/",numFrames);
if (frameCount==numFrames)
exit();
}
}
//////////////////////////////////////////////////////////////////////////////
int samplesPerFrame = 5;
int numFrames = 200;
float shutterAngle = .6;
boolean recording = true;
OpenSimplexNoise noise;
float offset_rad = 100.0;
class Thing{
float theta;
float offset;
float rmin = random(0,90);
//float rmax = random(180,240);
float rmax = 220;
float alpha = pow(random(0.2f,1.0f),2.0f);
float easing = 4.0f;
float nsin = random(0,7);
float ssin = random(0.01f,0.08f);
float seed = 100+random(1000);
float mr = 1.5f;
float bs = 25;
float size_center = random(0.1f,1);
Thing(float th){
theta = th;
offset = 0.35f*noise(100+offset_rad*cos(theta),100+offset_rad*sin(theta));
}
void show(){
int m2 = 200;
for(int j=0;j<m2;j++){
float p = 1.0f*j/m2;
float tt = (t+offset+0.1f*p)%1;
float r = map(ease(map(sin(TWO_PI*tt),-1,1,0,1),easing),0,1,rmin,rmax);
float intensity2 = sin(PI*map(r,rmax,rmin,0,1));
float sign;
if(tt<0.25f||tt>0.75f){
sign = 1;
} else {
sign = -1;
}
float thetap = intensity2*ssin*sin(TWO_PI*nsin*r/width+100*offset+sign*10*TWO_PI*t);
float proximity = pow(map(r,rmax,rmin,0,1),3.0f);
float x = r*cos(theta+thetap);
float y = r*sin(theta+thetap);
float x0 = x + bs*(float)noise.eval(seed + mr*cos(TWO_PI*t),mr*sin(TWO_PI*t));
float y0 = y + bs*(float)noise.eval(2*seed + mr*cos(TWO_PI*t),mr*sin(TWO_PI*t));
float xx = lerp(x,x0,proximity);
float yy = lerp(y,y0,proximity);
float intensity = sin(PI*p);
float sw = 1.5f+3*pow(intensity,5.0f);
sw = lerp(sw,sw*size_center,proximity);
strokeWeight(sw);
stroke(255,255*intensity*alpha);
point(xx,yy);
}
int m3 = 20;
for(int j=0;j<m3;j++){
float p = 1.0f*j/m3;
float tt = (t+offset+0.1f*p)%1;
float r = map(ease(map(sin(TWO_PI*tt),-1,1,0,1),easing),0,1,rmin,rmax);
float intensity2 = sin(PI*map(r,rmax,rmin,0,1));
float sign;
if(tt<0.25f||tt>0.75f){
sign = 1;
} else {
sign = -1;
}
float thetap = intensity2*ssin*sin(TWO_PI*nsin*r/width+100*offset+sign*10*TWO_PI*t);
float proximity = pow(map(r,rmax,rmin,0,1),3.0f);
float x = r*cos(theta+thetap);
float y = r*sin(theta+thetap);
float x0 = x + bs*(float)noise.eval(seed + mr*cos(TWO_PI*t),mr*sin(TWO_PI*t));
float y0 = y + bs*(float)noise.eval(2*seed + mr*cos(TWO_PI*t),mr*sin(TWO_PI*t));
float xx = lerp(x,x0,proximity);
float yy = lerp(y,y0,proximity);
float intensity = sin(PI*p);
float sw = 1.5f+6*pow(intensity,5.0f);
sw = lerp(sw,sw*size_center,proximity);
strokeWeight(sw);
stroke(255,255*intensity*alpha);
point(xx,yy);
}
}
}
int n = 50;
Thing[] array = new Thing[n];
void setup(){
size(500,500,P3D);
result = new int[width*height][3];
noise = new OpenSimplexNoise();
for(int i=0;i<n;i++){
array[i] = new Thing(1.0f*i*TWO_PI/n);
println(array[i].theta);
}
}
void draw_(){
background(0);
push();
translate(width/2,height/2);
for(int i=0;i<n;i++){
array[i].show();
}
pop();
}
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