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torus 2
float[][] result;
float t, c;
float ease(float p) {
p = c01(p);
return 3*p*p - 2*p*p*p;
}
float ease(float p, float g) {
p = c01(p);
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));
float c01(float g) {
return constrain(g, 0, 1);
}
void draw() {
if (recording) {
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);
t %= 1;
draw_();
loadPixels();
for (int i=0; i<pixels.length; i++) {
result[i][0] += sq(red(pixels[i])/255.0);
result[i][1] += sq(green(pixels[i])/255.0);
result[i][2] += sq(blue(pixels[i])/255.0);
}
}
loadPixels();
for (int i=0; i<pixels.length; i++)
pixels[i] = color(255*sqrt(result[i][0]/samplesPerFrame),
255*sqrt(result[i][1]/samplesPerFrame),
255*sqrt(result[i][2]/samplesPerFrame));
updatePixels();
saveFrame("f###.png");
if (frameCount==numFrames)
exit();
} else if (preview) {
c = mouseY*1.0/height;
if (mousePressed)
println(c);
t = (millis()/(20.0*numFrames))%1;
draw_();
} else {
t = mouseX*1.0/width;
c = mouseY*1.0/height;
if (mousePressed)
println(c);
draw_();
}
}
//////////////////////////////////////////////////////////////////////////////
int samplesPerFrame = 16;
int numFrames = 240;
float shutterAngle = 2;
boolean recording = false,
preview = true;
void setup() {
size(750, 750, P3D);
smooth(8);
rectMode(CENTER);
result = new float[width*height][3];
noFill();
strokeWeight(1.7);
blendMode(ADD);
}
color[] cs = { #ff0000, #00ff00, #0000ff};
float x, y, z, tt;
int N = 2400;
color c1 = #d70441, c2 = #f4e904, c3 = #009978, c4 = #5e3688;
color myCol(float q) {
q = (q+120)%1;
if (q<.25)
return lerpColor(c1, c2, map(q, 0, .25, 0, 1));
else if (q<.45)
return lerpColor(c2, c3, map(q, .3, .45, 0, 1));
else if (q< .75)
return lerpColor(c3, c4, map(q, .45, .75, 0, 1));
else
return lerpColor(c4, c1, map(q, .75, 1, 0, 1));
}
color myCol;
float qq;
float d;
float R = 140, l = 180;
float th, r = 20;
float amt;
float hu, rot;
void hexx(float q) {
beginShape();
for (int i=0; i<=6; i++) {
th = TWO_PI*i/6 + rot;
myCol = myCol(0.2*cos(th) + hu);
myCol = lerpColor(#000000, myCol, 0.08);
stroke(myCol);
vertex(r*cos(th), r*sin(th));
}
endShape();
}
int n = 2400;
void draw_() {
background(0,0,0);
push();
translate(width/2, height/2);
for (int i=0; i<n; i++) {
th = TWO_PI*i/n;
qq = i*1.0/n;
hu = qq;
rot = - TWO_PI*qq;
push();
x = -R*cos(th)*sin(TWO_PI*t);
y = R*sin(th);
z = R*cos(th)*cos(TWO_PI*t);
r = 40/(1+.007*z);
translate(x,y);
hexx(t);
pop();
}
pop();
}
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