Add ambient and directional light (#200)

Author: Jhonnyg

model/skinning/main/instancing.collection

@@ -59,3 +59,78 @@ embedded_instances {
   "}\n"
   ""
 }
+embedded_instances {
+  id: "lights"
+  children: "directional_light"
+  data: "embedded_components {\n"
+  "  id: \"ambient_light\"\n"
+  "  type: \"ambient_light\"\n"
+  "  data: \"data {\\n"
+  "  struct {\\n"
+  "    fields {\\n"
+  "      key: \\\"color\\\"\\n"
+  "      value {\\n"
+  "        list {\\n"
+  "          values {\\n"
+  "            number: 1.0\\n"
+  "          }\\n"
+  "          values {\\n"
+  "            number: 1.0\\n"
+  "          }\\n"
+  "          values {\\n"
+  "            number: 1.0\\n"
+  "          }\\n"
+  "        }\\n"
+  "      }\\n"
+  "    }\\n"
+  "    fields {\\n"
+  "      key: \\\"intensity\\\"\\n"
+  "      value {\\n"
+  "        number: 0.25\\n"
+  "      }\\n"
+  "    }\\n"
+  "  }\\n"
+  "}\\n"
+  "\"\n"
+  "}\n"
+  ""
+}
+embedded_instances {
+  id: "directional_light"
+  data: "embedded_components {\n"
+  "  id: \"directional_light\"\n"
+  "  type: \"directional_light\"\n"
+  "  data: \"data {\\n"
+  "  struct {\\n"
+  "    fields {\\n"
+  "      key: \\\"color\\\"\\n"
+  "      value {\\n"
+  "        list {\\n"
+  "          values {\\n"
+  "            number: 1.0\\n"
+  "          }\\n"
+  "          values {\\n"
+  "            number: 1.0\\n"
+  "          }\\n"
+  "          values {\\n"
+  "            number: 1.0\\n"
+  "          }\\n"
+  "        }\\n"
+  "      }\\n"
+  "    }\\n"
+  "    fields {\\n"
+  "      key: \\\"intensity\\\"\\n"
+  "      value {\\n"
+  "        number: 0.85\\n"
+  "      }\\n"
+  "    }\\n"
+  "  }\\n"
+  "}\\n"
+  "\"\n"
+  "}\n"
+  ""
+  rotation {
+    x: -0.49629867
+    w: 0.86815184
+  }
+}

model/skinning/main/man.go

@@ -8,15 +8,15 @@ embedded_components {
   "name: \"{{NAME}}\"\n"
   "materials {\n"
   "  name: \"M_Joints\"\n"
-  "  material: \"/builtins/materials/model_skinned_instanced.material\"\n"
+  "  material: \"/builtins/materials/model_skinned_instanced_lit.material\"\n"
   "  textures {\n"
   "    sampler: \"tex0\"\n"
   "    texture: \"/main/man.png\"\n"
   "  }\n"
   "}\n"
   "materials {\n"
   "  name: \"M_Main\"\n"
-  "  material: \"/builtins/materials/model_skinned_instanced.material\"\n"
+  "  material: \"/builtins/materials/model_skinned_instanced_lit.material\"\n"
   "  textures {\n"
   "    sampler: \"tex0\"\n"
   "    texture: \"/main/man.png\"\n"