From e9b989e94ee082ff908c9987bca59f447b8e9882 Mon Sep 17 00:00:00 2001
From: seungho <sbsh.baek@samsung.com>
Date: Tue, 22 Jun 2021 09:44:50 +0900
Subject: [PATCH] [NUI] Add Rotate API in Rotation to rotate vector

 - NUI Rotation is based on Quaternion theoretically.
 - This patch adds Rotate method to rotate vector3 or vector4 with the quaternion.

Signed-off-by: seungho <sbsh.baek@samsung.com>
---
 .../src/internal/Interop/Interop.Rotation.cs       |  6 +++++
 src/Tizen.NUI/src/public/Common/Rotation.cs        | 30 ++++++++++++++++++++++
 2 files changed, 36 insertions(+)

diff --git a/src/Tizen.NUI/src/internal/Interop/Interop.Rotation.cs b/src/Tizen.NUI/src/internal/Interop/Interop.Rotation.cs
index 9938fb6..ee80e88 100755
--- a/src/Tizen.NUI/src/internal/Interop/Interop.Rotation.cs
+++ b/src/Tizen.NUI/src/internal/Interop/Interop.Rotation.cs
@@ -125,6 +125,12 @@ namespace Tizen.NUI
 
             [global::System.Runtime.InteropServices.DllImport(NDalicPINVOKE.Lib, EntryPoint = "CSharp_Dali_Rotation_AngleBetween")]
             public static extern float AngleBetween(global::System.Runtime.InteropServices.HandleRef jarg1, global::System.Runtime.InteropServices.HandleRef jarg2);
+
+            [global::System.Runtime.InteropServices.DllImport(NDalicPINVOKE.Lib, EntryPoint = "CSharp_Dali_Rotation_Rotate_Vector3")]
+            public static extern global::System.IntPtr RotateVector3(global::System.Runtime.InteropServices.HandleRef nuiRotation, global::System.Runtime.InteropServices.HandleRef nuiVector3);
+
+            [global::System.Runtime.InteropServices.DllImport(NDalicPINVOKE.Lib, EntryPoint = "CSharp_Dali_Rotation_Rotate_Vector4")]
+            public static extern global::System.IntPtr RotateVector4(global::System.Runtime.InteropServices.HandleRef nuiRotation, global::System.Runtime.InteropServices.HandleRef nuiVector4);
         }
     }
 }
diff --git a/src/Tizen.NUI/src/public/Common/Rotation.cs b/src/Tizen.NUI/src/public/Common/Rotation.cs
index a11447e..c42f150 100755
--- a/src/Tizen.NUI/src/public/Common/Rotation.cs
+++ b/src/Tizen.NUI/src/public/Common/Rotation.cs
@@ -249,6 +249,36 @@ namespace Tizen.NUI
         }
 
         /// <summary>
+        /// Rotate a vector3 with the Rotation.
+        /// For example, if this Rotation has (0, 1, 0) rotation axis and Math.PI radian angle and the input vector is (1, 0, 0),
+        /// this Rotation method returns (-1, 0, 0) that is rotated along Y axis amount of Math.PI.
+        /// </summary>
+        /// <param name="vector">The vector of vector3 to be rotated with this Rotation</param>
+        /// <returns>Vector3 that is the rotation result of this rotation.</returns>
+        [EditorBrowsable(EditorBrowsableState.Never)]
+        public Vector3 Rotate(Vector3 vector)
+        {
+            Vector3 ret = new Vector3(Interop.Rotation.RotateVector3(SwigCPtr, Vector3.getCPtr(vector)), true);
+            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
+            return ret;
+        }
+
+        /// <summary>
+        /// Rotate a vector4 with the Rotation.
+        /// For example, if this Rotation has (0, 1, 0) rotation axis and Math.PI radian angle and the input vector is (1, 0, 0, 0),
+        /// this Rotation method returns (-1, 0, 0, 0) that is rotated along Y axis amount of Math.PI.
+        /// </summary>
+        /// <param name="vector">The vector of vector4 to be rotated with this Rotation</param>
+        /// <returns>Vector4 that is the rotation result of this rotation.</returns>
+        [EditorBrowsable(EditorBrowsableState.Never)]
+        public Vector4 Rotate(Vector4 vector)
+        {
+            Vector4 ret = new Vector4(Interop.Rotation.RotateVector4(SwigCPtr, Vector4.getCPtr(vector)), true);
+            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
+            return ret;
+        }
+
+        /// <summary>
         /// Helper to check if this is an identity quaternion.
         /// </summary>
         /// <returns>True if this is identity quaternion.</returns>
-- 
2.7.4