Cell.pde
class Cell {
float a_x = 0;
float a_z = 0;
float radius = 218;
float size = 1;
float walk_amt = 5;
boolean debug = false;
//PVector[] trails = new PVector[20];
ArrayList<PVector> trails = new ArrayList<PVector>();
int max_trail_length = 20;
Cell(int i_, int max_) {
a_x = random(0, 360);
a_z = map(i_, 0, max_, 0, 180);
}
void enableDebug() { debug = true; }
void disableDebug() { debug = false; }
void update() {
// a_x = ((a_x + 0.7) % 360);
// a_z = ((a_z + (noise((a_x * 0.1), aa) * 0.9)) % 180);
a_x = ((a_x + 0.7) % 360);
a_z = ((a_z + (noise((a_x * 0.1), aa) * 0.4)) % 180);
float x = (radius * cos(radians(a_x)) * sin(radians(a_z)));
float y = (radius * sin(radians(a_x)) * sin(radians(a_z)));
float z = (radius * cos(radians(a_z)));
trails.add(0, new PVector(x, y, z));
if(trails.size() > max_trail_length) {
trails.remove((trails.size() - 1));
}
}
void draw() {
update();
//push();
//float x = (radius * cos(radians(a_x)) * sin(radians(a_z)));
//float y = (radius * sin(radians(a_x)) * sin(radians(a_z)));
//float z = (radius * cos(radians(a_z)));
//translate(x, z, y);
/*PVector trail = trails.get(0);
translate(trail.x, trail.z, trail.y);*/
int i = 0;
for(PVector dot : trails) {
push();
translate(dot.x, dot.z, dot.y);
if((dot.y < 0) || (i > 0)) {
color dot_col = color(255, 255, 255);
if(i > 0) {
dot_col = lerpColor(color(150, 150, 150), color(50, 50, 50), norm(i, 1, (max_trail_length - 1)));
}
if(dot.y < 0) {
dot_col = lerpColor(
dot_col,
color(red(dot_col), green(dot_col), blue(dot_col), 0.9),
norm(dot.y, -radius, radius)
);
}
noFill();
stroke(dot_col);
point(0, 0, 0);
} else {
noStroke();
sphereDetail(6);
sphere(size);
}
pop();
i++;
}
//if(debug) {
// push();
//
// translate(trail.x, trail.z, trail.y);
//
// textSize(8);
// text("x: "+ radians(a_x) +"\nz: "+ radians(a_z), 5, -20, 0);
//
// pop();
//}
//pop();
}
}
sphere3d.pde
Cell[] cells = new Cell[1500];
float aa;
void setup() {
size(640, 640, P3D);
noSmooth();
for(int i = 0; i < cells.length; i++) {
cells[ i ] = new Cell(i, cells.length);
}
}
void draw() {
background(30);
ortho();
lights();
//ambientLight(255, 255, 255, 0, -1, 0);
translate((width / 2), (height / 2), 0);
// debug
//push();
////fill(255, 0, 0);
//noStroke();
//sphere(2);
//pop();
for(Cell cell : cells) {
//cell.update();
cell.draw();
}
aa += 0.01;
if(frameCount == 50) { save("preview.png"); }
}
void push() { pushMatrix(); pushStyle(); }
void pop() { popStyle(); popMatrix(); }
