complete exercise 1.8

2024-02-07 23:30:31 +02:00 · 2024-02-07 23:30:31 +02:00 · d33f351f24
commit d33f351f24
parent 8e633df16f
2 changed files with 67 additions and 0 deletions
--- a/Attractor/index.html
+++ b/Attractor/index.html
@ -0,0 +1,15 @@
+<html>
+  <head>
+    <script src="https://cdn.jsdelivr.net/npm/p5@1.9.0/lib/p5.js"></script>
+    <script src="sketch.js"></script>
+    <style>
+    body {
+      background: #212121;
+    }
+    </style>
+  </head>
+  <body>
+    <main>
+    </main>
+  </body>
+</html>
--- a/Attractor/sketch.js
+++ b/Attractor/sketch.js
@ -0,0 +1,52 @@
+class Walker {
+    constructor(x = 0, y = 0) {
+        this.position = createVector(x, y)
+        this.velocity = createVector(0, 0)
+        this.accelaration = createVector(0, 0)
+    }
+
+    step() {
+        let target = createVector(mouseX, mouseY)
+        let difference = p5.Vector.sub(target, this.position)
+        this.accelaration = difference.copy()
+        this.accelaration.setMag(1000/difference.mag())
+
+        const dt = deltaTime/1000
+        this.velocity.add(p5.Vector.mult(this.accelaration, dt))
+        this.position.add(p5.Vector.mult(this.velocity, dt))
+
+
+        if (this.position.x < 0) {
+            this.position.x += width
+        }
+        if (this.position.x > width) {
+            this.position.x -= width
+        }
+
+        if (this.position.y < 0) {
+            this.position.y += height
+        }
+        if (this.position.y > height) {
+            this.position.y -= height
+        }
+    }
+
+    draw() {
+        stroke(0)
+        circle(this.position.x, this.position.y, 20)
+    }
+}
+
+let walker
+
+function setup() {
+    createCanvas(640, 240)
+    background(255)
+    walker = new Walker(width/2, height/2)
+}
+
+function draw() {
+    background(255)
+    walker.step()
+    walker.draw()
+}