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@beesandbombs
Created June 13, 2017 23:02
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winders
// gif by dave aka @beesandbombs :)
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("d###.gif");
if (frameCount==numFrames)
exit();
}
}
//////////////////////////////////////////////////////////////////////////////
int samplesPerFrame = 4;
int numFrames = 300;
float shutterAngle = .5;
boolean recording = false;
void setup() {
size(640, 640, P3D);
smooth(8);
result = new int[width*height][3];
rectMode(CENTER);
fill(32);
noStroke();
}
float x, y, z, tt;
int N = 720;
float th, tw, r = 50, ph, R = 180;
float lc;
color BLUE = #00f6ff, PURPLE = #731b6e;
void sph(float q) {
stroke(0);
strokeWeight(4);
noFill();
beginShape();
for (int i=0; i<N; i++) {
tw = 2.5*PI*q;
th = i*TWO_PI/N;
ph = cos(th)*tw;
y = r*cos(th);
x = r*sin(th)*cos(ph);
z = r*sin(th)*sin(ph);
lc = constrain(map(modelZ(x, y, z), r, -r, -.25, 1), 0, 1);
lc = lerp(lc, 1-sq(1-lc), .5);
stroke(lerpColor(BLUE, PURPLE, lc));
vertex(x, y, z);
}
endShape(CLOSE);
}
float rot;
void draw_() {
background(0);
push();
translate(width/2, height/2);
for (int i=0; i<8; i++) {
rot = TWO_PI*(i+t)/8;
push();
translate(R*cos(rot), R*sin(rot));
rotateX(rot*2);
sph(ease(map(sin(rot), 1, -1, 0, 1), 2.5));
pop();
}
pop();
}
@shaunlebron
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