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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();
}
float c01(float g) {
return constrain(g, 0, 1);
}
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("f###.gif");
if (frameCount==numFrames)
exit();
}
}
//////////////////////////////////////////////////////////////////////////////
int samplesPerFrame = 4;
int numFrames = 360;
float shutterAngle = .6;
boolean recording = false;
void setup() {
size(720, 720, P3D);
pixelDensity(recording ? 1 : 2);
smooth(8);
result = new int[width*height][3];
rectMode(CENTER);
fill(32);
noStroke();
}
float x, y, z, tt;
int N = 12;
float w = 44, h= w*3, sp = h;
void cros() {
rect(0, 0, w, h);
rect(0, 0, h, w);
}
void draw_() {
push();
translate(width/2, height/2);
if (3*t < 1) {
t = 3*t;
background(234);
fill(34);
for (int i=-N; i<=N; i++) {
for (int j=-N; j<=N; j++) {
tt = ease(t, 3);
push();
translate(i*h - j*w*tt, j*h + i*w*tt);
rotate(HALF_PI*tt);
cros();
pop();
}
}
}
else if (3*t < 2) {
t = 3*t - 1;
background(34);
fill(234);
push();
scale(-1, 1);
for (int i=-N; i<=N; i++) {
for (int j=-N; j<=N; j++) {
tt = 1-ease(t, 3);
push();
translate((i+.5)*h + (j+.5)*w*tt, (j+.5)*h - (i+.5)*w*tt);
rotate(-HALF_PI*tt);
cros();
pop();
}
}
pop();
}
else {
t = 3*t - 2;
background(t>.5?34:234);
fill(t>.5?234:34);
for (int i=-N; i<=N; i++) {
for (int j=-N; j<=N; j++) {
tt = ease(t, 3);
push();
translate((i+.5*(t>.5?1:0))*h, (j+.5*(t>.5?1:0))*h);
rotate(HALF_PI*tt);
scale(map(cos(TWO_PI*tt), 1, -1, 1, sqrt(2)*3/4));
rect(0, 0, 2*w, 2*w);
pop();
}
}
}
pop();
}
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