update

frontend/Cargo.toml

@@ -9,6 +9,7 @@ crate-type = ["cdylib", "rlib"]
 [dependencies]
 wasm-bindgen = "0.2"
 wasm-bindgen-futures = "0.4"
+js-sys = "0.3"
 web-sys = { version = "0.3", features = [
     "Document",
     "Window",
@@ -33,6 +34,7 @@ web-sys = { version = "0.3", features = [
     "RequestMode",
     "Response",
     "HtmlInputElement",
+    "PositionOptions",
 ] }
 wgpu = { version = "0.19", default-features = false, features = ["webgl", "wgsl"] }
 winit = { version = "0.29", default-features = false, features = ["rwh_06"] }
@@ -43,4 +45,4 @@ console_log = "1.0"
 reqwest = { version = "0.11", features = ["json"] }
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
-earcutr = "0.4"
+bincode = "1.3"