Mohammed – Assignment 1

Concept

My concept is “Nervous Fireflies” that implements a Levy Flight. Most of the time, the firefly hovers in a small area (small steps), but occasionally it gets startled and zooms to a new location (a very large step).

To visualize this, I mapped the “step size” to the size of the circle. When it’s hovering, it is a tiny dot. When it zooms, it expands into a large burst of light.

Code Highlight

I am proud of this section because it creates the Lévy Flight behavior without using complicated math formulas. I simply used random(100) like rolling a 100-sided die. If I roll a 1 (a 1% chance), the firefly takes a huge jump. Otherwise, it takes a tiny step.

I was also proud of the trigonometry part which is particularly thematic in situations where you want to convert an angle into cartesian coordinates.

step() {
    // CHOOSE DIRECTION
    let angle = random(TWO_PI);

    // CHOOSE DISTANCE (The Lévy Flight Logic)
    // Pick a random number between 0 and 100
    let r = random(100);

    // 2% chance of a BIG jump
    if (r < 2) {
      this.currentStepSize = random(50, 150);
    } 
    // 98% chance of a small step
    else {
      this.currentStepSize = random(2, 5);
    }

    // MOVE
    // convert angle/distance into X and Y
    let xStep = cos(angle) * this.currentStepSize;
    let yStep = sin(angle) * this.currentStepSize;
    
    this.x += xStep;
    this.y += yStep;

 

Reflection & Future Improvements

I realized that “random” doesn’t have to mean “even.” By checking if random(100) < 2, I was able to create a behavior that feels much more organic and alive than just moving randomly every frame.

For the future, I could implement:

Mouse Interaction: I want to make the firefly scared of the mouse, so if the mouse gets too close, it forces a “big jump” immediately.

Interaction Between Fireflies: Right now, the fireflies behave in isolation. It would be cool to have fireflies interact with one another using object to object communication.