NatureOfCode2/auto-agent1.1.html at master · brlebtag/NatureOfCode2 · GitHub

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<html>
    <head>
        <title>Autonomous Agent 1 - Seeking a Target</title>
        <script src="https://cdn.jsdelivr.net/npm/p5@1.5.0/lib/p5.min.js"></script>
        <script>
            class Vehicle {
                constructor(x, y) {
                    this.pos = createVector(x, y);
                    this.velocity = createVector(0 ,0);
                    this.acceleration = createVector();
                    this.mass = 1;
                    this.maxSpeed = 4;
                    this.radius = 16;
                    this.maxForce = 1;
                }

                seek(target) {
                    // let desiredVelocity = p5.Vector.sub(target, this.pos);
                    // desiredVelocity.setMag(this.maxSpeed); // My strategy is to select a desired velocity equals to max speed (other strategies could have been selected).
                    // let steeringForce = p5.Vector.sub(desiredVelocity, this.velocity);
                    // steeringForce.limit(this.maxForce);
                    // this.applyForce(steeringForce);

                    let force = p5.Vector.sub(target, this.pos);
                    force.setMag(this.maxSpeed);
                    // force.sub(this.velocity);
                    // force.limit(this.maxForce);
                    this.applyForce(force);
                }

                edges() {
                    if (this.pos.y >= (height - this.radius)) {
                        this.pos.y = height - this.radius;
                        this.velocity.y *= -1;
                    }

                    if (this.pos.x >= (width - this.radius)) {
                        this.pos.x = width - this.radius;
                        this.velocity.x *= - 1;
                    } else if (this.pos.x <= 0) {
                        this.pos.x = this.radius;
                        this.velocity.x *= -1;
                    }
                }

                applyForce(force) {
                    this.acceleration.add(force); // F = m * a => a = F / m (1) => a = F;
                }

                update() {
                    this.velocity.add(this.acceleration);
                    this.velocity.limit(this.maxSpeed);
                    this.pos.add(this.velocity);
                    this.acceleration.set(0, 0);
                }

                show() {
                    stroke(255);
                    strokeWeight(2);
                    fill(255);
                    push();
                    translate(this.pos.x, this.pos.y);
                    rotate(this.velocity.heading());
                    triangle(-this.radius, - this.radius /2 , -this.radius, this.radius/2, this.radius, 0);
                    pop();
                }
            }

            let vehicle;
            let target;

            function setup() {
                createCanvas(800, 600);
                vehicle = new Vehicle(100, 100);
            }

            function draw() {
                background(0);

                fill(255, 0, 0);
                target = createVector(mouseX, mouseY);
                circle(target.x, target.y, 32);
                vehicle.seek(target);
                vehicle.update();
                vehicle.show();
            }
        </script>
    </head>
</html>