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CM2030 Graphics Programming/Topic 2/2.2.5b/sketch.js

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+function setup() {
+    createCanvas(900, 600);
+    background(0);
+}
+
+function draw()
+{
+    background(125);
+
+    var mouse = createVector(mouseX, mouseY);
+    var center = createVector(width/2, height/2);
+
+    mouse.sub(center);
+
+    let normal = mouse.copy();
+
+    textSize(20);
+    text("Normal: " + normal.normalize(), 20, 50);
+
+    // We extract the direction of a vector using the p5.js .normalize() function
+    normal = normal.mult(50);
+    line(10, 60, 10 + normal.x, 60 + normal.y);    
+
+    fill('white');
+    console.log(typeof normal);
+
+    // Center line
+    translate(width/2, height/2);
+    strokeWeight(3);
+
+    line(0,0, mouse.x, mouse.y);
+}