Add function to get angles between two vectors (Vector3.GetAnglesBetweenVectorsForDirectionChange)

.vscode/settings.json

@@ -16,4 +16,4 @@
     "[typescript]": {
         "editor.defaultFormatter": "esbenp.prettier-vscode"
     },
-}
+}

packages/dev/core/src/Maths/math.vector.ts

@@ -1716,6 +1716,32 @@ export class Vector3 {
         return Scalar.NormalizeRadians(angle);
     }
 
+    /**
+     * Gets the angles between two points needed to face the target from the start
+     * @param start the starting point
+     * @param target the target point
+     * @param ref the vector3 to store the result
+     * @returns the updated ref with the angles between the two points in the form (pitch, yaw, roll)
+     */
+    public static PitchYawRollToMoveBetweenPointsToRef(start: Vector3, target: Vector3, ref: Vector3): Vector3 {
+        const diff = TmpVectors.Vector3[0];
+        target.subtractToRef(start, diff);
+        ref.y = Math.atan2(diff.x, diff.z) || 0;
+        ref.x = Math.atan2(Math.sqrt(diff.x ** 2 + diff.z ** 2), diff.y) || 0;
+        return ref;
+    }
+
+    /**
+     * Gets the angles between two points needed to face the target from the start
+     * @param start the starting vector
+     * @param target the target vector
+     * @returns the angles between the two points in the form (pitch, yaw, roll)
+     */
+    public static PitchYawRollToMoveBetweenPoints(start: Vector3, target: Vector3): Vector3 {
+        const ref = Vector3.Zero();
+        return Vector3.PitchYawRollToMoveBetweenPointsToRef(start, target, ref);
+    }
+
     /**
      * Slerp between two vectors. See also `SmoothToRef`
      * Slerp is a spherical linear interpolation