Hi, my english is not that good i hope you understand. So I have a grid with a for cycle and wanted it to map the brightness of an ellipse, but don’t really know how to code it.
int a = 20;
void setup () {
size(800, 800);
ellipse(a,a,a20,a20);
}
void draw() {
background(255);
// ellipse(a,a,a20,a20);
fill(0);
noStroke();
float tiles = mouseX/3;
float tileSize = width/tiles;
translate(tileSize/2, tileSize/2);
for (int x = 0; x < tiles; x++) {
for (int y = 0; y < tiles; y++) {
float size = map(brightness(a), 0, 255, tileSize, 0);
ellipse(x*tileSize, y*tileSize, size, size);
}
}
}