refactor(Camera): Improve a bit

Author: jcs090218

Assets/JCSUnity/Scripts/GameObject/2D/2DCamera/JCS_2DCamera.cs

@@ -32,11 +32,6 @@ public class JCS_2DCamera : JCS_Camera
 
         [Separator("Runtime Variables (JCS_2DCamera)")]
 
-        //-- Target information
-        [Tooltip("Target transform information.")]
-        [SerializeField]
-        private Transform mTargetTransform = null;
-
         [Tooltip("Set velocity to zero while the follow not active.")]
         [SerializeField]
         private bool mResetVelocityToZeroWhileNotActive = false;

Assets/JCSUnity/Scripts/GameObject/3D/JCS_3DCamera.cs

@@ -41,10 +41,6 @@ public class JCS_3DCamera : JCS_Camera
 
         [Separator("Runtime Variables (JCS_3DCamera)")]
 
-        [Tooltip("Target we want to look at.")]
-        [SerializeField]
-        private Transform mTargetTransform = null;
-
         [Tooltip("Targeting revolution.")]
         [SerializeField]
         private float mTargetRevolution = 0.0f;

Assets/JCSUnity/Scripts/JCS_Camera.cs

@@ -49,6 +49,10 @@ public abstract class JCS_Camera : MonoBehaviour
 
         [Separator("Runtime Variables (JCS_Camera)")]
 
+        [Tooltip("Target transform information.")]
+        [SerializeField]
+        protected Transform mTargetTransform = null;
+
         [Tooltip("Flag to check if currently the camera following the target object.")]
         [SerializeField]
         protected bool mFollowing = true;
@@ -95,8 +99,8 @@ public abstract class JCS_Camera : MonoBehaviour
         public bool Following { get { return this.mFollowing; } set { this.mFollowing = value; } }
         public bool SmoothTrack { get { return this.mSmoothTrack; } set { this.mSmoothTrack = value; } }
 
-        public abstract void SetFollowTarget(Transform trans);
-        public abstract Transform GetFollowTarget();
+        public virtual void SetFollowTarget(Transform trans) { this.mTargetTransform = trans; }
+        public virtual Transform GetFollowTarget() { return mTargetTransform; }
 
         public float ScreenAspect { get { return (float)mCamera.pixelWidth / (float)mCamera.pixelHeight; } }