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@beesandbombs
Created June 18, 2017 22:30
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cube turn
// by davey @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("f###.gif");
if (frameCount==numFrames)
exit();
}
}
//////////////////////////////////////////////////////////////////////////////
int samplesPerFrame = 8;
int numFrames = 360;
float shutterAngle = .6;
boolean recording = false;
void setup() {
size(800, 800, P3D);
smooth(8);
ortho();
result = new int[width*height][3];
rectMode(CENTER);
fill(32);
noStroke();
}
void boxx() {
noStroke();
fill(32);
push();
translate(0, 0, l/2);
rect(0, 0, l, l);
pop();
push();
rotateX(HALF_PI);
translate(0, 0, l/2);
rect(0, 0, l, l);
pop();
push();
rotateY(-HALF_PI);
translate(0, 0, l/2);
rect(0, 0, l, l);
pop();
fill(250);
push();
rotateY(HALF_PI);
translate(0, 0, l/2);
rect(0, 0, l, l);
push();
fill(32);
translate(0,0,1);
beginShape();
for(int i=0; i<6; i++)
vertex(r*cos(TWO_PI*i/6), r*sin(TWO_PI*i/6));
endShape(CLOSE);
pop();
pop();
fill(#6FC784);
push();
rotateX(-HALF_PI);
translate(0, 0, l/2);
rect(0, 0, l, l);
pop();
fill(#0F54A1);
push();
rotateY(PI);
translate(0, 0, l/2);
rect(0, 0, l, l);
pop();
}
float x, y, z, tt;
int N = 12;
float l = 200;
float t1, t2, t3, t4, t5;
float r = l*.4;
void draw_() {
t1 = ease(constrain(map(t,0,.3,0,1), 0, 1),4);
t2 = ease(constrain(map(t,.3,.6,0,1), 0, 1),4);
t3 = ease(constrain(map(t,.6,1,0,1), 0, 1),4);
background(250);
push();
translate(width/2, height/2);
scale(pow(2.045,t));
rotateX(lerp(-ia,0,t3));
rotateY(QUARTER_PI);
rotateY(.75*PI*t3);
rotate(HALF_PI*t2);
rotateY(HALF_PI*t1);
boxx();
pop();
}
@shaunlebron
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