math

Author: Iemand005

Applications/Level/Sensor.js

@@ -22,7 +22,6 @@ function drawHorizon(roll, pitch) {
 
     ctx.beginPath();
     ctx.fillStyle = "green";
-    // ctx.lineWidth = 5;
     ctx.moveTo(-horizon.width, pitchOffset);
     ctx.lineTo(horizon.width, pitchOffset);
     ctx.lineTo(horizon.width, horizon.height);
@@ -37,7 +36,6 @@ if (typeof ondevicemotion !== "undefined") {
     var g = e.accelerationIncludingGravity;
     var acceleration = new Vector3D(g.x, g.y, g.z);
     acceleration.normalize();
-    // console.log("Acceleration norma:", acceleration);
 
     var roll = Math.atan2(acceleration.x, acceleration.z);
     var pitch = acceleration.y;

Scripts/physics.js

@@ -40,11 +40,15 @@ function Vector3D(x, y, z) {
     }
 }
 
+Vector3D.prototype.div = function (amount) {
+    this.x /= amount, this.y /= amount, this.z /= amount;
+    return this;
+}
+
 Vector3D.prototype.normalize = function () {
-    var thing = this.x + this.y + this.z;
-    this.x /= thing;
-    this.y /= thing;
-    this.z /= thing;
+    var sum = this.x + this.y + this.z;
+    this.div(sum);
+    return this;
 }
 
 function Rectangle(x, y, width, height) {