Camera coordinates math problem

Leonidas · June 30, 2021, 12:34pm

This may be of help:

Also in general you can find the Unity C# implementation for each method, and attempt to convert it to Javascript/PlayCanvas.

github.com

Unity-Technologies/UnityCsReference/blob/master/Runtime/Export/Math/Vector3.cs#L290


      
          public Vector3 normalized
          {
              [MethodImpl(MethodImplOptionsEx.AggressiveInlining)]
              get { return Vector3.Normalize(this); }
          }
          
          // Dot Product of two vectors.
          [MethodImpl(MethodImplOptionsEx.AggressiveInlining)]
          public static float Dot(Vector3 lhs, Vector3 rhs) { return lhs.x * rhs.x + lhs.y * rhs.y + lhs.z * rhs.z; }
          
          // Projects a vector onto another vector.
          [MethodImpl(MethodImplOptionsEx.AggressiveInlining)]
          public static Vector3 Project(Vector3 vector, Vector3 onNormal)
          {
              float sqrMag = Dot(onNormal, onNormal);
              if (sqrMag < Mathf.Epsilon)
                  return zero;
              else
              {
                  var dot = Dot(vector, onNormal);
                  return new Vector3(onNormal.x * dot / sqrMag,