fix: Boundary with matrix

Author: jcs090218

Assets/JCSUnity/Scripts/Actions/JCS_Boundary.cs

@@ -34,7 +34,8 @@ public class JCS_Boundary : MonoBehaviour
         private void OnDrawGizmosSelected()
         {
             Gizmos.color = mWireColor;
-            Gizmos.DrawWireCube(transform.position, transform.localScale);
+            Gizmos.matrix = transform.localToWorldMatrix;
+            Gizmos.DrawWireCube(Vector3.zero, Vector3.one);
         }
 #endif
 
@@ -43,7 +44,21 @@ private void OnDrawGizmosSelected()
         /// </summary>
         public Bounds GetBounds()
         {
-            return new Bounds(transform.position, transform.localScale);
+            Matrix4x4 matrix = transform.localToWorldMatrix;
+
+            // Transform each corner to world space
+            Vector3 worldCorner = matrix.MultiplyPoint3x4(JCS_Constants.CORNERS_CUBE[0]);
+
+            var bounds = new Bounds(worldCorner, Vector3.zero);
+
+            for (int index = 1; index < JCS_Constants.CORNERS_CUBE.Length; ++index)
+            {
+                worldCorner = matrix.MultiplyPoint3x4(JCS_Constants.CORNERS_CUBE[index]);
+
+                bounds.Encapsulate(worldCorner);
+            }
+
+            return bounds;
         }
     }
 }

Assets/JCSUnity/Scripts/JCS_Constants.cs

@@ -6,6 +6,7 @@
  * $Notice: See LICENSE.txt for modification and distribution information 
  *	                 Copyright (c) 2016 by Shen, Jen-Chieh $
  */
+using UnityEngine;
 
 namespace JCSUnity
 {
@@ -16,6 +17,8 @@ public static class JCS_Constants
     {
         /* Variables */
 
+        #region System
+
         // The time delay to be invoked for the first frame.
         //
         // First frame invocation can't be set to 0; therefore, we set
@@ -25,6 +28,27 @@ public static class JCS_Constants
         // See https://docs.unity3d.com/6000.1/Documentation/ScriptReference/MonoBehaviour.Invoke.html
         public const float FIRST_FRAME_INVOKE_TIME = 0.001f;
 
+        #endregion
+
+        #region Matrix
+
+        // Define the 8 corners of a unit cube centered at `Vector3.zero`.
+        public static readonly Vector3[] CORNERS_CUBE = new Vector3[]
+        {
+            new Vector3(-0.5f, -0.5f, -0.5f),
+            new Vector3(-0.5f, -0.5f,  0.5f),
+            new Vector3(-0.5f,  0.5f, -0.5f),
+            new Vector3(-0.5f,  0.5f,  0.5f),
+            new Vector3( 0.5f, -0.5f, -0.5f),
+            new Vector3( 0.5f, -0.5f,  0.5f),
+            new Vector3( 0.5f,  0.5f, -0.5f),
+            new Vector3( 0.5f,  0.5f,  0.5f),
+        };
+
+        #endregion
+
+        #region Effect
+
         // The minimum friction value.
         public const float FRICTION_MIN = 0.01f;
 
@@ -34,6 +58,8 @@ public static class JCS_Constants
         // Below this threshold is consider close enough.
         public const float NEAR_THRESHOLD = 0.01f;
 
+        #endregion
+
         /* Setter & Getter */
 
         /* Functions */