fix bugs

assets/materials/connection.effect

@@ -0,0 +1,86 @@
+// Copyright (c) 2017-2020 Xiamen Yaji Software Co., Ltd.
+CCEffect %{
+  techniques:
+  - passes:
+    - vert: sprite-vs:vert
+      frag: sprite-fs:frag
+      depthStencilState:
+        depthTest: false
+        depthWrite: false
+      blendState:
+        targets:
+        - blend: true
+          blendSrc: src_alpha
+          blendDst: one_minus_src_alpha
+          blendDstAlpha: one_minus_src_alpha
+      rasterizerState:
+        cullMode: none
+      properties:
+        noiseMap: { value: white }
+        alphaThreshold: { value: 0.5 }
+}%
+
+CCProgram sprite-vs %{
+  precision highp float;
+  #include <builtin/uniforms/cc-global>
+  #if USE_LOCAL
+    #include <builtin/uniforms/cc-local>
+  #endif
+  #if SAMPLE_FROM_RT
+    #include <common/common-define>
+  #endif
+  in vec3 a_position;
+  in vec2 a_texCoord;
+  in vec4 a_color;
+
+  out vec4 color;
+  out vec2 uv0;
+
+  vec4 vert () {
+    vec4 pos = vec4(a_position, 1);
+
+    #if USE_LOCAL
+      pos = cc_matWorld * pos;
+    #endif
+
+    #if USE_PIXEL_ALIGNMENT
+      pos = cc_matView * pos;
+      pos.xyz = floor(pos.xyz);
+      pos = cc_matProj * pos;
+    #else
+      pos = cc_matViewProj * pos;
+    #endif
+
+    uv0 = a_texCoord;
+    #if SAMPLE_FROM_RT
+      CC_HANDLE_RT_SAMPLE_FLIP(uv0);
+    #endif
+    color = a_color;
+
+    return pos;
+  }
+}%
+
+CCProgram sprite-fs %{
+  precision highp float;
+  #include <builtin/internal/embedded-alpha>
+  #include <builtin/uniforms/cc-global>
+  #include <builtin/internal/alpha-test>
+
+  in vec4 color;
+
+  in vec2 uv0;
+  #pragma builtin(local)
+  layout(set = 2, binding = 11) uniform sampler2D cc_spriteTexture;
+  uniform sampler2D noiseMap;
+
+  vec4 frag () {
+    vec4 o = vec4(1, 1, 1, 1);
+
+    vec2 uv = uv0 * 2.0 - 1.0;
+    uv.x += cc_time.x;
+    vec4 color = texture(noiseMap, uv);
+    ALPHA_TEST(o);
+    return o;
+  }
+}%

assets/materials/connection.effect.meta

@@ -0,0 +1,11 @@
+{
+  "ver": "1.6.0",
+  "importer": "effect",
+  "imported": true,
+  "uuid": "1fb49540-f4c8-45e1-a1e7-48b00b1028a4",
+  "files": [
+    ".json"
+  ],
+  "subMetas": {},
+  "userData": {}
+}

assets/materials/line.mtl

@@ -0,0 +1,12 @@
+{
+  "__type__": "cc.Material",
+  "_name": "",
+  "_objFlags": 0,
+  "_native": "",
+  "_effectAsset": {
+    "__uuid__": "1baf0fc9-befa-459c-8bdd-af1a450a0319"
+  },
+  "_techIdx": 0,
+  "_defines": [],
+  "_props": []
+}

assets/materials/line.mtl.meta

@@ -0,0 +1,11 @@
+{
+  "ver": "1.0.16",
+  "importer": "material",
+  "imported": true,
+  "uuid": "707673eb-08fb-4874-b7fa-d97917853461",
+  "files": [
+    ".json"
+  ],
+  "subMetas": {},
+  "userData": {}
+}