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new file mode 100644
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diff --git a/assets/an/dpan1.anim.meta b/assets/an/dpan1.anim.meta
new file mode 100644
index 0000000..c89e015
--- /dev/null
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new file mode 100644
index 0000000..b09a634
--- /dev/null
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new file mode 100644
index 0000000..d4d0636
--- /dev/null
+++ b/assets/an/dpan2.anim.meta
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index 4a9163a..8b6e16a 100644
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new file mode 100644
index 0000000..e71bc30
--- /dev/null
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new file mode 100644
index 0000000..34b3139
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new file mode 100644
index 0000000..7dfd0a9
--- /dev/null
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new file mode 100644
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similarity index 100%
rename from assets/res/cz/zdcz.mtl
rename to assets/res/cz/zdcz1.mtl
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similarity index 100%
rename from assets/res/cz/zdcz.mtl.meta
rename to assets/res/cz/zdcz1.mtl.meta
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new file mode 100644
index 0000000..19f7979
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new file mode 100644
index 0000000..2b51396
--- /dev/null
+++ b/assets/res/cz/zdcz2.mtl.meta
@@ -0,0 +1 @@
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new file mode 100644
index 0000000..3c7d283
--- /dev/null
+++ b/assets/res/cz/zdcz3.mtl
@@ -0,0 +1,35 @@
+{
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+  "_objFlags": 0,
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+      "blendState": {
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diff --git a/assets/res/cz/zdcz3.mtl.meta b/assets/res/cz/zdcz3.mtl.meta
new file mode 100644
index 0000000..23dd76e
--- /dev/null
+++ b/assets/res/cz/zdcz3.mtl.meta
@@ -0,0 +1 @@
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new file mode 100644
index 0000000..3ef7881
--- /dev/null
+++ b/assets/res/yz/dp1.prefab
@@ -0,0 +1,183 @@
+[
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+    "__type__": "cc.Prefab",
+    "_name": "dp1",
+    "_objFlags": 0,
+    "_native": "",
+    "data": {
+      "__id__": 1
+    },
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+    "persistent": false
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+    "_objFlags": 0,
+    "__editorExtras__": {},
+    "_parent": null,
+    "_children": [],
+    "_active": true,
+    "_components": [
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+    "_layer": 1073741824,
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+    "_objFlags": 0,
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+    "_enabled": true,
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+    "_castShadow": false,
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+    "_useLightProbe": false,
+    "_bakeToLightProbe": true,
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+    "_bakeToReflectionProbe": true,
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+    "_objFlags": 0,
+    "node": {
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+    "_enabled": true,
+    "__prefab": {
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+    "_clips": [
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+    "_objFlags": 0,
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+    "__prefab": {
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+    "_id": ""
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+  {
+    "__type__": "cc.CompPrefabInfo",
+    "fileId": "39GTPNxvRAWqj9sJUiNEkS"
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+  {
+    "__type__": "cc.PrefabInfo",
+    "root": {
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+    "asset": {
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+    },
+    "fileId": "bcIDmBNSVExZ73nFxbuOL9",
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+    "targetOverrides": null
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diff --git a/assets/res/yz/dp1.prefab.meta b/assets/res/yz/dp1.prefab.meta
new file mode 100644
index 0000000..795f11a
--- /dev/null
+++ b/assets/res/yz/dp1.prefab.meta
@@ -0,0 +1,13 @@
+{
+  "ver": "1.1.43",
+  "importer": "prefab",
+  "imported": true,
+  "uuid": "cd87f114-c5c0-4729-bb34-0c7d244af503",
+  "files": [
+    ".json"
+  ],
+  "subMetas": {},
+  "userData": {
+    "syncNodeName": "dp1"
+  }
+}
diff --git a/assets/res/yz/dp2.prefab b/assets/res/yz/dp2.prefab
new file mode 100644
index 0000000..2c71334
--- /dev/null
+++ b/assets/res/yz/dp2.prefab
@@ -0,0 +1,183 @@
+[
+  {
+    "__type__": "cc.Prefab",
+    "_name": "dp2",
+    "_objFlags": 0,
+    "_native": "",
+    "data": {
+      "__id__": 1
+    },
+    "optimizationPolicy": 0,
+    "persistent": false
+  },
+  {
+    "__type__": "cc.Node",
+    "_name": "dp2",
+    "_objFlags": 0,
+    "__editorExtras__": {},
+    "_parent": null,
+    "_children": [],
+    "_active": true,
+    "_components": [
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+      },
+      {
+        "__id__": 5
+      },
+      {
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+      }
+    ],
+    "_prefab": {
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+    },
+    "_lpos": {
+      "__type__": "cc.Vec3",
+      "x": 0,
+      "y": 1,
+      "z": 2.212
+    },
+    "_lrot": {
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+      "y": 1.5,
+      "z": 1.5
+    },
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+    "_layer": 1073741824,
+    "_euler": {
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+    "_objFlags": 0,
+    "node": {
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+    "_enabled": true,
+    "__prefab": {
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+    "_materials": [
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+    "_visFlags": 0,
+    "bakeSettings": {
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+    "_mesh": {
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+      "__expectedType__": "cc.Mesh"
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+    "_shadowReceivingMode": 1,
+    "_shadowBias": 0,
+    "_shadowNormalBias": 0,
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+    "_id": ""
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+    "fileId": "b5KPPco7VCZ5liauwyFjoc"
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+  {
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+    "texture": null,
+    "uvParam": {
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+      "x": 0,
+      "y": 0,
+      "z": 0,
+      "w": 0
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+    "_castShadow": false,
+    "_receiveShadow": false,
+    "_recieveShadow": false,
+    "_lightmapSize": 64,
+    "_useLightProbe": false,
+    "_bakeToLightProbe": true,
+    "_reflectionProbeType": 0,
+    "_bakeToReflectionProbe": true,
+    "_probeCubemap": null
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+    "__type__": "cc.Animation",
+    "_name": "",
+    "_objFlags": 0,
+    "node": {
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+    "_enabled": true,
+    "__prefab": {
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+    "playOnLoad": false,
+    "_clips": [
+      {
+        "__uuid__": "c5e86312-71cc-4df5-bdef-dcf86f5a996f",
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+    "_objFlags": 0,
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+    },
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diff --git a/assets/res/yz/dp2.prefab.meta b/assets/res/yz/dp2.prefab.meta
new file mode 100644
index 0000000..1afae01
--- /dev/null
+++ b/assets/res/yz/dp2.prefab.meta
@@ -0,0 +1,13 @@
+{
+  "ver": "1.1.43",
+  "importer": "prefab",
+  "imported": true,
+  "uuid": "f3d4a09f-c020-4bd2-a91d-85186c111b6b",
+  "files": [
+    ".json"
+  ],
+  "subMetas": {},
+  "userData": {
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+}
diff --git a/assets/res/yz/zdyz.prefab b/assets/res/yz/zdyz1.prefab
similarity index 98%
rename from assets/res/yz/zdyz.prefab
rename to assets/res/yz/zdyz1.prefab
index 8545e67..4a9e881 100644
--- a/assets/res/yz/zdyz.prefab
+++ b/assets/res/yz/zdyz1.prefab
@@ -1,7 +1,7 @@
 [
   {
     "__type__": "cc.Prefab",
-    "_name": "zdyz",
+    "_name": "zdyz1",
     "_objFlags": 0,
     "_native": "",
     "data": {
@@ -12,7 +12,7 @@
   },
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-    "_name": "zdyz",
+    "_name": "zdyz1",
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     "__editorExtras__": {},
     "_parent": null,
diff --git a/assets/res/yz/zdyz.prefab.meta b/assets/res/yz/zdyz1.prefab.meta
similarity index 86%
rename from assets/res/yz/zdyz.prefab.meta
rename to assets/res/yz/zdyz1.prefab.meta
index 243b38a..f879c2a 100644
--- a/assets/res/yz/zdyz.prefab.meta
+++ b/assets/res/yz/zdyz1.prefab.meta
@@ -8,6 +8,6 @@
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   "subMetas": {},
   "userData": {
-    "syncNodeName": "zdyz"
+    "syncNodeName": "zdyz1"
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 }
diff --git a/assets/res/yz/zdyz2.prefab b/assets/res/yz/zdyz2.prefab
new file mode 100644
index 0000000..161b3cc
--- /dev/null
+++ b/assets/res/yz/zdyz2.prefab
@@ -0,0 +1,149 @@
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diff --git a/assets/res/yz/zdyz2.prefab.meta b/assets/res/yz/zdyz2.prefab.meta
new file mode 100644
index 0000000..af83c8f
--- /dev/null
+++ b/assets/res/yz/zdyz2.prefab.meta
@@ -0,0 +1,13 @@
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diff --git a/assets/res/yz/zdyz3.prefab b/assets/res/yz/zdyz3.prefab
new file mode 100644
index 0000000..dbd6893
--- /dev/null
+++ b/assets/res/yz/zdyz3.prefab
@@ -0,0 +1,149 @@
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+    "_visFlags": 0,
+    "bakeSettings": {
+      "__id__": 4
+    },
+    "_mesh": {
+      "__uuid__": "1263d74c-8167-4928-91a6-4e2672411f47@fc873",
+      "__expectedType__": "cc.Mesh"
+    },
+    "_shadowCastingMode": 0,
+    "_shadowReceivingMode": 1,
+    "_shadowBias": 0,
+    "_shadowNormalBias": 0,
+    "_reflectionProbeId": -1,
+    "_enableMorph": true,
+    "_id": ""
+  },
+  {
+    "__type__": "cc.CompPrefabInfo",
+    "fileId": "21/ErUldpOD4I9DXiW27hM"
+  },
+  {
+    "__type__": "cc.ModelBakeSettings",
+    "texture": null,
+    "uvParam": {
+      "__type__": "cc.Vec4",
+      "x": 0,
+      "y": 0,
+      "z": 0,
+      "w": 0
+    },
+    "_bakeable": false,
+    "_castShadow": false,
+    "_receiveShadow": false,
+    "_recieveShadow": false,
+    "_lightmapSize": 64,
+    "_useLightProbe": false,
+    "_bakeToLightProbe": true,
+    "_reflectionProbeType": 0,
+    "_bakeToReflectionProbe": true,
+    "_probeCubemap": null
+  },
+  {
+    "__type__": "e62100WLOhFUqQe3StYLJiO",
+    "_name": "",
+    "_objFlags": 0,
+    "node": {
+      "__id__": 1
+    },
+    "_enabled": true,
+    "__prefab": {
+      "__id__": 6
+    },
+    "z_speed": 1,
+    "_id": ""
+  },
+  {
+    "__type__": "cc.CompPrefabInfo",
+    "fileId": "20Efwa+0pH+IB78Clf/cO5"
+  },
+  {
+    "__type__": "cc.PrefabInfo",
+    "root": {
+      "__id__": 1
+    },
+    "asset": {
+      "__id__": 0
+    },
+    "fileId": "d1jZnG8JRJzKbZX2BPhzI1",
+    "instance": null,
+    "targetOverrides": null
+  }
+]
\ No newline at end of file
diff --git a/assets/res/yz/zdyz3.prefab.meta b/assets/res/yz/zdyz3.prefab.meta
new file mode 100644
index 0000000..16295d3
--- /dev/null
+++ b/assets/res/yz/zdyz3.prefab.meta
@@ -0,0 +1,13 @@
+{
+  "ver": "1.1.43",
+  "importer": "prefab",
+  "imported": true,
+  "uuid": "57849c62-7ff0-42a5-ab5c-c1978717c13d",
+  "files": [
+    ".json"
+  ],
+  "subMetas": {},
+  "userData": {
+    "syncNodeName": "zdyz3"
+  }
+}
diff --git a/assets/scene.scene b/assets/scene.scene
index fc0a132..480caf0 100644
--- a/assets/scene.scene
+++ b/assets/scene.scene
@@ -30,7 +30,7 @@
         "__id__": 19
       },
       {
-        "__id__": 28
+        "__id__": 29
       },
       {
         "__id__": 27
@@ -39,7 +39,7 @@
     "_active": true,
     "_components": [],
     "_prefab": {
-      "__id__": 37
+      "__id__": 38
     },
     "_lpos": {
       "__type__": "cc.Vec3",
@@ -70,7 +70,7 @@
     },
     "autoReleaseAssets": false,
     "_globals": {
-      "__id__": 38
+      "__id__": 39
     },
     "_id": "ca039486-6d99-4899-b33c-bc3628c6b455"
   },
@@ -773,7 +773,7 @@
     "_priority": 1073741824,
     "_fov": 45,
     "_fovAxis": 0,
-    "_orthoHeight": 452.93233082706763,
+    "_orthoHeight": 320,
     "_near": 1,
     "_far": 2000,
     "_color": {
@@ -907,16 +907,34 @@
     "plant": {
       "__id__": 15
     },
+    "dp1": {
+      "__uuid__": "cd87f114-c5c0-4729-bb34-0c7d244af503",
+      "__expectedType__": "cc.Prefab"
+    },
+    "dp2": {
+      "__uuid__": "f3d4a09f-c020-4bd2-a91d-85186c111b6b",
+      "__expectedType__": "cc.Prefab"
+    },
     "zdOut": {
-      "__id__": 28
+      "__id__": 29
     },
     "zd1": {
       "__uuid__": "927e5c75-235e-462e-a0f2-d6f87bbe8349",
       "__expectedType__": "cc.Prefab"
     },
+    "zd2": {
+      "__uuid__": "feb5de5e-aa53-4e08-8757-ebb7330fe20c",
+      "__expectedType__": "cc.Prefab"
+    },
+    "zd3": {
+      "__uuid__": "57849c62-7ff0-42a5-ab5c-c1978717c13d",
+      "__expectedType__": "cc.Prefab"
+    },
     "zd_speed": 0.2,
-    "new_zd_time": 0.3,
-    "_new_zd_time": 0,
+    "new_zd_time": 0.2,
+    "createDpTime": 2,
+    "dp1_speed": 0.05,
+    "dp2_speed": 0.03,
     "_id": "aaX4RqMLVAKL2tbj7n23Tn"
   },
   {
@@ -931,6 +949,9 @@
     "_components": [
       {
         "__id__": 26
+      },
+      {
+        "__id__": 28
       }
     ],
     "_prefab": null,
@@ -963,6 +984,28 @@
     },
     "_id": "62x4MGVE5D2a6WhTvN6i6j"
   },
+  {
+    "__type__": "cc.Animation",
+    "_name": "",
+    "_objFlags": 0,
+    "node": {
+      "__id__": 27
+    },
+    "_enabled": true,
+    "__prefab": null,
+    "playOnLoad": false,
+    "_clips": [
+      {
+        "__uuid__": "c5e86312-71cc-4df5-bdef-dcf86f5a996f",
+        "__expectedType__": "cc.AnimationClip"
+      }
+    ],
+    "_defaultClip": {
+      "__uuid__": "c5e86312-71cc-4df5-bdef-dcf86f5a996f",
+      "__expectedType__": "cc.AnimationClip"
+    },
+    "_id": "c3rvtsnVhFU4aqMJ0BTIhC"
+  },
   {
     "__type__": "cc.Node",
     "_name": "zdout",
@@ -972,7 +1015,7 @@
     },
     "_children": [
       {
-        "__id__": 29
+        "__id__": 30
       }
     ],
     "_active": true,
@@ -1011,17 +1054,17 @@
     "__type__": "cc.Node",
     "_objFlags": 0,
     "_parent": {
-      "__id__": 28
+      "__id__": 29
     },
     "_prefab": {
-      "__id__": 30
+      "__id__": 31
     },
     "__editorExtras__": {}
   },
   {
     "__type__": "cc.PrefabInfo",
     "root": {
-      "__id__": 29
+      "__id__": 30
     },
     "asset": {
       "__uuid__": "927e5c75-235e-462e-a0f2-d6f87bbe8349",
@@ -1029,7 +1072,7 @@
     },
     "fileId": "d1jZnG8JRJzKbZX2BPhzI1",
     "instance": {
-      "__id__": 31
+      "__id__": 32
     },
     "targetOverrides": null,
     "nestedPrefabInstanceRoots": null
@@ -1042,16 +1085,16 @@
     "mountedComponents": [],
     "propertyOverrides": [
       {
-        "__id__": 32
-      },
-      {
-        "__id__": 34
+        "__id__": 33
       },
       {
         "__id__": 35
       },
       {
         "__id__": 36
+      },
+      {
+        "__id__": 37
       }
     ],
     "removedComponents": []
@@ -1059,7 +1102,7 @@
   {
     "__type__": "CCPropertyOverrideInfo",
     "targetInfo": {
-      "__id__": 33
+      "__id__": 34
     },
     "propertyPath": [
       "_name"
@@ -1075,7 +1118,7 @@
   {
     "__type__": "CCPropertyOverrideInfo",
     "targetInfo": {
-      "__id__": 33
+      "__id__": 34
     },
     "propertyPath": [
       "_lpos"
@@ -1090,7 +1133,7 @@
   {
     "__type__": "CCPropertyOverrideInfo",
     "targetInfo": {
-      "__id__": 33
+      "__id__": 34
     },
     "propertyPath": [
       "_lrot"
@@ -1106,7 +1149,7 @@
   {
     "__type__": "CCPropertyOverrideInfo",
     "targetInfo": {
-      "__id__": 33
+      "__id__": 34
     },
     "propertyPath": [
       "_euler"
@@ -1127,30 +1170,30 @@
     "targetOverrides": null,
     "nestedPrefabInstanceRoots": [
       {
-        "__id__": 29
+        "__id__": 30
       }
     ]
   },
   {
     "__type__": "cc.SceneGlobals",
     "ambient": {
-      "__id__": 39
-    },
-    "shadows": {
       "__id__": 40
     },
-    "_skybox": {
+    "shadows": {
       "__id__": 41
     },
-    "fog": {
+    "_skybox": {
       "__id__": 42
     },
-    "octree": {
+    "fog": {
       "__id__": 43
     },
-    "lightProbeInfo": {
+    "octree": {
       "__id__": 44
     },
+    "lightProbeInfo": {
+      "__id__": 45
+    },
     "bakedWithStationaryMainLight": false,
     "bakedWithHighpLightmap": false
   },
diff --git a/assets/src/UIMain.ts b/assets/src/UIMain.ts
index c6e0f8e..f4423a1 100644
--- a/assets/src/UIMain.ts
+++ b/assets/src/UIMain.ts
@@ -21,7 +21,7 @@ export class UIMain extends Component {
     public bg_sd:number = 1;
 
     //背景滚动最大距离
-    public bg_max:number = 10;
+    public bg_max:number = 18;
 
     //plane移动速度
     @property
diff --git a/assets/src/dpComponent.ts b/assets/src/dpComponent.ts
new file mode 100644
index 0000000..3c83b08
--- /dev/null
+++ b/assets/src/dpComponent.ts
@@ -0,0 +1,40 @@
+import { _decorator, Component, Node, Animation } from 'cc';
+import { dpImpl } from './dpImpl';
+const { ccclass, property } = _decorator;
+
+@ccclass('dpComponent')
+export class dpComponent extends Component {
+
+    //plane移动动画
+    @property(Animation)
+    public p_an:Animation = null;
+
+    private dpSpeed:number = 0;
+
+    @property
+    public _dpType = dpImpl.dpType.TYPE1;
+
+    //飞行最大距离
+    public dp_max:number = 12;
+
+    start() {
+
+        this.p_an.crossFade('p_an', .5);
+    }
+
+    update(deltaTime: number) {
+
+        const pos = this.node.position;
+        let movez = pos.z + this.dpSpeed;
+        this.node.setPosition(pos.x, pos.y, movez);
+        
+        if(movez > this.dp_max) this.node.destroy();
+
+    }
+
+    public _init(speed:number){
+        this.dpSpeed = speed;
+    }
+
+}
+
diff --git a/assets/src/dpComponent.ts.meta b/assets/src/dpComponent.ts.meta
new file mode 100644
index 0000000..7c6bebd
--- /dev/null
+++ b/assets/src/dpComponent.ts.meta
@@ -0,0 +1,9 @@
+{
+  "ver": "4.0.23",
+  "importer": "typescript",
+  "imported": true,
+  "uuid": "4608dd9a-dc99-4568-b152-35956833dfaf",
+  "files": [],
+  "subMetas": {},
+  "userData": {}
+}
diff --git a/assets/src/dpImpl.ts b/assets/src/dpImpl.ts
new file mode 100644
index 0000000..9cbb10e
--- /dev/null
+++ b/assets/src/dpImpl.ts
@@ -0,0 +1,17 @@
+
+export class dpImpl{
+
+    /**敌人类型 */
+    public static dpType = {
+        TYPE1: 1,
+        TYPE2: 2,
+    }
+
+    /**敌人组合 */
+    public static dpArr = {
+        dps1: 1,
+        dps2: 2,
+    }
+   
+}
+
diff --git a/assets/src/dpImpl.ts.meta b/assets/src/dpImpl.ts.meta
new file mode 100644
index 0000000..136f7dc
--- /dev/null
+++ b/assets/src/dpImpl.ts.meta
@@ -0,0 +1,9 @@
+{
+  "ver": "4.0.23",
+  "importer": "typescript",
+  "imported": true,
+  "uuid": "f2b02056-c12f-4898-839e-4b40e2bdef88",
+  "files": [],
+  "subMetas": {},
+  "userData": {}
+}
diff --git a/assets/src/gameManager.ts b/assets/src/gameManager.ts
index 59a0ad9..1c8ce32 100644
--- a/assets/src/gameManager.ts
+++ b/assets/src/gameManager.ts
@@ -1,4 +1,6 @@
-import { _decorator, Component, Node, Prefab, instantiate } from 'cc';
+import { _decorator, Component, Node, Prefab, instantiate, math, Animation } from 'cc';
+import { dpComponent } from './dpComponent';
+import { dpImpl } from './dpImpl';
 import { zd } from './zd';
 const { ccclass, property } = _decorator;
 
@@ -8,28 +10,57 @@ export class gameManager extends Component {
     @property(Node)
     public plant:Node = null;
 
+    @property(Prefab)
+    public dp1:Prefab = null;
+
+    @property(Prefab)
+    public dp2:Prefab = null;
+
     @property(Node)
     public zdOut:Node = null;
 
     @property(Prefab)
     public zd1:Prefab = null;
 
+    @property(Prefab)
+    public zd2:Prefab = null;
+
+    @property(Prefab)
+    public zd3:Prefab = null;
+
+
     /**子弹移动速度*/
     @property
     public zd_speed:number = 0.2;
 
     /**发射子弹的间隔*/
     @property
-    public new_zd_time = 0.3;
+    public new_zd_time = 0.2;
 
     /**当前发射子弹的间隔*/
-    @property
     public _new_zd_time = 0;
 
+    /**敌人生成的间隔时间 */
+    @property
+    public createDpTime = 2;
+
+    /**当前敌人生成的时间 */
+    public _createDpTime = 0;
+
+    /**组合间隔状态 */
+    public _createDpArr = dpImpl.dpArr.dps1;
+
+    @property
+    public dp1_speed:number = 0.05;
+
+    @property
+    public dp2_speed:number = 0.03;
+
     private _isTouch:boolean = false;
 
     start() {
         this._new_zd_time = this.new_zd_time;
+        this.changeDpMode();
     }
 
     update(deltaTime: number) {
@@ -39,9 +70,45 @@ export class gameManager extends Component {
             this.createZd();
             this._new_zd_time = 0;
         }
+
+        if(this._createDpArr === dpImpl.dpArr.dps1){
+
+            this._createDpTime += deltaTime;
+            if(this._createDpTime > this.createDpTime){
+                this.cerateDp();
+                this._createDpTime = 0;
+            }
+
+        }else{
+
+        }
         
     }
 
+    public cerateDp() {
+
+       let randm = math.randomRangeInt(1,3);
+       let p:Prefab = null;
+       let speed = 0;
+       let t = 1;
+       if(randm === dpImpl.dpType.TYPE1){
+            p = this.dp1;
+            speed = this.dp1_speed;
+            t=1;
+       }else{
+            p = this.dp2;
+            speed = this.dp2_speed;
+            t=2;
+       }
+       const dp = instantiate(p);
+       dp.setParent(this.node);
+       const dpc = dp.getComponent(dpComponent);
+       dpc._init(speed);
+       let loc = math.randomRange(-3.8,3.8);
+       dp.setPosition(loc, 1, -dpc.dp_max);
+
+    }
+
     public createZd(){
         const zd01 = instantiate(this.zd1);
         zd01.setParent(this.zdOut);
@@ -54,5 +121,11 @@ export class gameManager extends Component {
     isTouch(val:boolean){
         this._isTouch = val;
     }
+
+    changeDpMode(){
+        this.schedule(()=>{
+            this._createDpArr++;
+        },10,3);
+    }
 }