BABAYLON.Angle how its work?

[Blax]

Hi.

 

Please, explain, how this can be?

console.log(BABYLON.Angle.BetweenTwoPoints(new BABYLON.Vector3(0,1,0),new BABYLON.Vector3(0,0,1)).degrees());// 270 , it's Okbut, console.log(BABYLON.Angle.BetweenTwoPoints(new BABYLON.Vector3(0,1,0),new BABYLON.Vector3(0,1,1)).degrees());// 0

Why?!

 

 

 

 

[Dad72]

Hi,

 

There is a error here: BABAYLON (in the title)

[fenomas]

For some reason it only looks at the angle in the XY plane.

public static BetweenTwoPoints(a: Vector2, b: Vector2): Angle {   var delta = b.subtract(a);   var theta = Math.atan2(delta.y, delta.x);   return new Angle(theta);}

[Blax]

Hi,

 

There is a error here: BABAYLON (in the title)

Ooops

[Blax]

 

For some reason it only looks at the angle in the XY plane.

public static BetweenTwoPoints(a: Vector2, b: Vector2): Angle {   var delta = b.subtract(a);   var theta = Math.atan2(delta.y, delta.x);   return new Angle(theta);}

Thx! i solve this also through atan2, but it is no good, if Angle class is present in engine, i think.

[jahow]

It does make sense since the function is comparing two Vector2 objects

 

This should give you the angle in 3D for every case:

var v1 = new BABYLON.Vector3(0,1,0);var v2 = new BABYLON.Vector3(0,1,1);var rad = Math.acos(BABYLON.Vector3.Dot(v1, v2) / (v1.length() * v2.length()));	alert(BABYLON.Angle.FromRadians(rad).degrees());

[Dad72]

Ooops

 

You can always edit your title. 

[fenomas]

the function is comparing two Vector2 objects 

 

Oh, good call!