How to use the atan function from mathjs

server.js

GitHub: philippeauriach/Leap.ARDrone

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//frameCount++;
//console.log(frame);
if(frame.hands.length>0){
        serverControlEnabled = true;
        var hand = frame.hands[0];
        var horizonAngle = math.atan(hand.palmNormal[0]/hand.palmNormal[1]) * (180/math.pi);
        var directionAngle = math.atan(hand.palmNormal[2]/hand.palmNormal[1]) * (180/math.pi);
        var clockWiseAngle = -(math.atan(hand.direction[0]/hand.direction[2]) * (180/math.pi)-45);
        connection.send(JSON.stringify({action: "updateFrame",
                                                                leapNumberOfHands: frame.hands.length,

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Cppn.js

GitHub: brin-eris/basic-bots

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}
let minus = function(x){
  return -x;
}
let atan = function(x){
  return Mathjs.atan(x);
}
let acoth = function(x){
  return Mathjs.acoth(x);
}

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FrostedBox.js

GitHub: nolanzurek/raycaster-1010_richards_stairwell

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  }
  return cur;
}

newDirection(ray) {
  const theta1 = atan(ray.direction[1] / ray.direction[0]);
  if (!ray.notInAir) {
    ray.notInAir = true;
    const theta2 = asin(sin(theta1) / this.n);
    if (ray.direction[0] < 0) {

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solver.js

GitHub: AppleGamer22/HyperCubeProject

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clone() {
    return new Point(this.x, this.y);
}
get angle() {
    let unit_vector = this.normalize();
    return math.atan(math.divide(unit_vector.y, unit_vector.x));
}
set angle(new_angle) {
    let magnitude = this.magntitude;

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process_data.js

GitHub: callmechristian/imouse-server

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a_z = a_z + g_z;

// estimated pitch
theta_hat = asin(-a_y);
// estimated roll
phi_hat = atan(-a_x/a_z);

// earth magnetic vector
D = (2 + 31/60 + 48/3600 ) * (pi/180);

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