Add artist shooting, and refactor generation movment

Assets/Scenes/SampleScene.unity

@@ -303,7 +303,7 @@ SpriteRenderer:
   m_AutoUVMaxAngle: 89
   m_LightmapParameters: {fileID: 0}
   m_SortingLayerID: -22961053
-  m_SortingLayer: -1
+  m_SortingLayer: -2
   m_SortingOrder: 0
   m_Sprite: {fileID: 5854342148761561055, guid: 8cdb315d4968ef847a63e52bd8847e5b, type: 3}
   m_Color: {r: 1, g: 1, b: 1, a: 1}
@@ -486,7 +486,7 @@ MonoBehaviour:
   m_Intensity: 1
   m_LightVolumeIntensity: 1
   m_LightVolumeIntensityEnabled: 0
-  m_ApplyToSortingLayers: 0000000063a4a1fe
+  m_ApplyToSortingLayers: 63a4a1fe7950b23d00000000
   m_LightCookieSprite: {fileID: 0}
   m_DeprecatedPointLightCookieSprite: {fileID: 0}
   m_LightOrder: 0
@@ -730,7 +730,7 @@ PrefabInstance:
       objectReference: {fileID: 0}
     - target: {fileID: 328858392699145925, guid: fad75b8b6a5d5a6468eef0f0782ea835, type: 3}
       propertyPath: m_LocalPosition.z
-      value: -0.0487628
+      value: 0
       objectReference: {fileID: 0}
     - target: {fileID: 328858392699145925, guid: fad75b8b6a5d5a6468eef0f0782ea835, type: 3}
       propertyPath: m_LocalRotation.w