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OPC opc;
float dx, dy, dz;
void setup()
{
int zoom = 4;
size(32*zoom, 16*zoom);
// Connect to the local instance of fcserver. You can change this line to connect to another computer's fcserver
opc = new OPC(this, "127.0.0.1", 7890);
opc.ledGrid8x8(0 * 64, width * 1/8, height * 1/4, height/16, 0, true);
opc.ledGrid8x8(1 * 64, width * 3/8, height * 1/4, height/16, 0, true);
opc.ledGrid8x8(2 * 64, width * 5/8, height * 1/4, height/16, 0, true);
opc.ledGrid8x8(3 * 64, width * 7/8, height * 1/4, height/16, 0, true);
opc.ledGrid8x8(4 * 64, width * 1/8, height * 3/4, height/16, 0, true);
opc.ledGrid8x8(5 * 64, width * 3/8, height * 3/4, height/16, 0, true);
opc.ledGrid8x8(6 * 64, width * 5/8, height * 3/4, height/16, 0, true);
opc.ledGrid8x8(7 * 64, width * 7/8, height * 3/4, height/16, 0, true);
// Make the status LED quiet
opc.setStatusLed(false);
colorMode(HSB, 100);
}
float noiseScale=0.02;
float fractalNoise(float x, float y, float z) {
float r = 0;
float amp = 1.0;
for (int octave = 0; octave < 4; octave++) {
r += noise(x, y, z) * amp;
amp /= 2;
x *= 2;
y *= 2;
z *= 2;
}
return r;
}
void draw() {
long now = millis();
float speed = 0.002;
float zspeed = 0.1;
float angle = sin(now * 0.001);
float z = now * 0.00008;
float hue = now * 0.01;
float scale = 0.005;
float saturation = 100 * constrain(pow(1.15 * noise(now * 0.000122), 2.5), 0, 1);
float spacing = noise(now * 0.000124) * 0.1;
dx += cos(angle) * speed;
dy += sin(angle) * speed;
dz += (noise(now * 0.000014) - 0.5) * zspeed;
float centerx = noise(now * 0.000125) * 1.25 * width;
float centery = noise(now * -0.000125) * 1.25 * height;
loadPixels();
for (int x=0; x < width; x++) {
for (int y=0; y < height; y++) {
float dist = sqrt(pow(x - centerx, 2) + pow(y - centery, 2));
float pulse = (sin(dz + dist * spacing) - 0.3) * 0.3;
float n = fractalNoise(dx + x*scale + pulse, dy + y*scale, z) - 0.75;
float m = fractalNoise(dx + x*scale, dy + y*scale, z + 10.0) - 0.75;
color c = color(
(hue + 40.0 * m) % 100.0,
saturation,
100 * constrain(pow(3.0 * n, 1.5), 0, 0.9)
);
pixels[x + width*y] = c;
}
}
updatePixels();
}