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Created February 10, 2015 10:37
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twist box · http://drbl.in/nJje
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);
void setup() {
setup_();
result = new int[width*height][3];
}
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 = 240;
float shutterAngle = .33;
boolean recording = false;
void setup_() {
size(800,600,P3D);
rectMode(CENTER);
stroke(250);
strokeWeight(3.5);
smooth(8);
ortho();
noFill();
}
void ver(float xx, float yy, float zz){
tt = ease(constrain(1.4*((3*t)%1)-map(yy,-l/2,l/2,0,.4),0,1),2.5);
vertex(xx*cos(HALF_PI*tt) + zz*sin(HALF_PI*tt), yy, zz*cos(HALF_PI*tt) - xx*sin(HALF_PI*tt));
}
float x, y, z, tt;
float l = 195;
float ww = 1;
float xrot = atan(sqrt(.5));
void draw_() {
background(#B55EB2);
pushMatrix();
translate(width/2, height/2);
rotateX(xrot);
rotateY(QUARTER_PI);
if(3*t<=1)
rotateX(HALF_PI);
else if(3*t <= 2)
rotateZ(HALF_PI);
for(int i=0; i<4; i++){
for(int j=0; j<4; j++){
x = map(i,0,3,-l/2,l/2);
y = map(j,0,3,-l/2,l/2);
beginShape();
for(int a=0; a<100; a++){
z = map(a,0,99,-l/2-ww,l/2+ww);
ver(x,y,z);
}
endShape();
}
}
for(int i=0; i<4; i++){
for(int j=0; j<4; j++){
x = map(i,0,3,-l/2,l/2);
z = map(j,0,3,-l/2,l/2);
beginShape();
for(int a=0; a<100; a++){
y = map(a,0,99,-l/2-ww,l/2+ww);
ver(x,y,z);
}
endShape();
}
}
for(int i=0; i<4; i++){
for(int j=0; j<4; j++){
y = map(i,0,3,-l/2,l/2);
z = map(j,0,3,-l/2,l/2);
beginShape();
for(int a=0; a<100; a++){
x = map(a,0,99,-l/2-ww,l/2+ww);
ver(x,y,z);
}
endShape();
}
}
popMatrix();
}
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