Assignment 1 - Alina S.
Mirrored from https://openprocessing.org/sketch/2564084
License: see the original OpenProcessing page
--- Local runnable source.pde ---
int numCircles = 70;
float[] circleX = new float[numCircles];
float[] circleY = new float[numCircles];
float[] targetX = new float[numCircles];
float[] targetY = new float[numCircles];
color[] circleColors = new color[numCircles];

void setup() {
  size(600, 550);

  for (int i = 0; i < numCircles; i++) {
  
    targetX[i] = circleX[i];
    targetY[i] = circleY[i];

    circleColors[i] = color(255);
  }
}

void draw() {
  background(0);

  for (int i = 0; i < numCircles; i++) {
    targetX[i] = mouseX + random(-300, 300);
    targetY[i] = mouseY + random(-300, 300);

    circleX[i] += (targetX[i] - circleX[i]) * 0.1;
    circleY[i] += (targetY[i] - circleY[i]) * 0.1;

    if (dist(mouseX, mouseY, circleX[i], circleY[i]) < 25) {
      circleColors[i] = color(0);
    } else {
      circleColors[i] = color(255);
    }

    fill(circleColors[i]);
    ellipse(circleX[i], circleY[i], 10, 10);
  }
}