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Created May 15, 2017 23:58
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sphere worms
// by davey aka bees & bombs :)
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 = 4;
int numFrames = 280;
float shutterAngle = .6;
boolean recording = false;
void setup() {
size(540, 540, P3D);
smooth(8);
result = new int[width*height][3];
rectMode(CENTER);
}
float x, y, z, tt;
int N = 300;
float R = 180;
void draw_() {
background(0);
noStroke();
push();
translate(width/2, height/2);
sphereDetail(8);
for (int a=0; a<8; a++) {
for (int i=0; i<N; i++) {
fill(255);
randomSeed(12345*i+23456);
y = random(R*.95, R*.99);
x = sqrt(R*R-y*y);
push();
rotateX(random(TWO_PI));
rotate(random(TWO_PI));
rotateY(random(TWO_PI));
rotateX(random(TWO_PI));
rotate(random(TWO_PI));
rotateY(TWO_PI*(t+.04*a) + random(TWO_PI));
translate(x, y, 0);
sphere(.32*a);
pop();
}
}
sphereDetail(24);
fill(0);
sphere(R);
pop();
}
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