add weili branch, balckhole basic setting

Projects/Factory/Assets/FactoryGroup0/Resources/BlackHole.prefab

@@ -12,6 +12,7 @@ GameObject:
   - component: {fileID: 9205374014997470243}
   - component: {fileID: 9205374014997470242}
   - component: {fileID: 9205374014997470241}
+  - component: {fileID: -9091123790211915744}
   m_Layer: 0
   m_Name: BlackHole
   m_TagString: Untagged
@@ -27,7 +28,7 @@ Transform:
   m_PrefabAsset: {fileID: 0}
   m_GameObject: {fileID: 9205374014997470240}
   m_LocalRotation: {x: 0, y: 0, z: 0, w: 1}
-  m_LocalPosition: {x: -0.04, y: 4.1, z: 4.56}
+  m_LocalPosition: {x: -0.04, y: 4.1, z: 4.54}
   m_LocalScale: {x: 1, y: 1, z: 1}
   m_Children: []
   m_Father: {fileID: 0}
@@ -96,3 +97,17 @@ Rigidbody:
   m_Interpolate: 0
   m_Constraints: 0
   m_CollisionDetection: 0
+--- !u!114 &-9091123790211915744
+MonoBehaviour:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 9205374014997470240}
+  m_Enabled: 1
+  m_EditorHideFlags: 0
+  m_Script: {fileID: 11500000, guid: 6e0d4771514057e429e1435d4f3552f9, type: 3}
+  m_Name: 
+  m_EditorClassIdentifier: 
+  FloatStrenght: 1
+  LifeTime: 3

Projects/Factory/Assets/FactoryGroup0/Scripts/BlackHoleMotion.cs

@@ -0,0 +1,45 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class BlackHoleMotion : MonoBehaviour
+{
+    // Start is called before the first frame update
+    private Rigidbody rd;
+    private Transform tf;
+    [SerializeField]
+    private float FloatStrenght =1;
+    [SerializeField]
+    private float LifeTime = 5.0f;
+    private float timeCounter;
+    void Start()
+    {
+        timeCounter = 0.0f;
+        rd = this.gameObject.GetComponent<Rigidbody>();
+        tf = this.gameObject.GetComponent<Transform>();
+    }
+
+    // Update is called once per frame
+    void Update()
+    {
+        if(timeCounter <= LifeTime)
+        {
+            //does nothing
+        }
+        else
+        {
+            if (timeCounter >= 1.5f *LifeTime)
+            {
+                Destroy(this.gameObject);
+            }
+            else
+            {
+                var x = 2 / LifeTime * Time.deltaTime;
+                tf.localScale -= new Vector3(x, x, x);
+                FloatStrenght -= x;
+            }
+        }
+        rd.AddForce(-1 * rd.mass * Physics.gravity / 2 * FloatStrenght);
+        timeCounter += Time.deltaTime;
+    }
+}

Projects/Factory/ProjectSettings/ProjectVersion.txt

@@ -1,2 +1,2 @@
-m_EditorVersion: 2019.3.0b5
-m_EditorVersionWithRevision: 2019.3.0b5 (13eef430e0c9)
+m_EditorVersion: 2019.3.0b4
+m_EditorVersionWithRevision: 2019.3.0b4 (3271e9fc5036)