wasm thread

Cargo.lock

@@ -920,6 +920,8 @@ dependencies = [
  "rapier2d",
  "serde",
  "ticktock",
+ "wasm-bindgen",
+ "wasm_thread",
 ]
 
 [[package]]
@@ -1312,6 +1314,7 @@ dependencies = [
  "parking_lot 0.12.1",
  "stdweb",
  "thiserror",
+ "wasm-bindgen",
  "web-sys",
  "windows",
 ]
@@ -1661,12 +1664,48 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "futures"
+version = "0.3.23"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ab30e97ab6aacfe635fad58f22c2bb06c8b685f7421eb1e064a729e2a5f481fa"
+dependencies = [
+ "futures-channel",
+ "futures-core",
+ "futures-executor",
+ "futures-io",
+ "futures-sink",
+ "futures-task",
+ "futures-util",
+]
+
+[[package]]
+name = "futures-channel"
+version = "0.3.23"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2bfc52cbddcfd745bf1740338492bb0bd83d76c67b445f91c5fb29fae29ecaa1"
+dependencies = [
+ "futures-core",
+ "futures-sink",
+]
+
 [[package]]
 name = "futures-core"
 version = "0.3.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d2acedae88d38235936c3922476b10fced7b2b68136f5e3c03c2d5be348a1115"
 
+[[package]]
+name = "futures-executor"
+version = "0.3.23"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1d11aa21b5b587a64682c0094c2bdd4df0076c5324961a40cc3abd7f37930528"
+dependencies = [
+ "futures-core",
+ "futures-task",
+ "futures-util",
+]
+
 [[package]]
 name = "futures-io"
 version = "0.3.23"
@@ -1688,6 +1727,47 @@ dependencies = [
  "waker-fn",
 ]
 
+[[package]]
+name = "futures-macro"
+version = "0.3.23"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0db9cce532b0eae2ccf2766ab246f114b56b9cf6d445e00c2549fbc100ca045d"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "futures-sink"
+version = "0.3.23"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ca0bae1fe9752cf7fd9b0064c674ae63f97b37bc714d745cbde0afb7ec4e6765"
+
+[[package]]
+name = "futures-task"
+version = "0.3.23"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "842fc63b931f4056a24d59de13fb1272134ce261816e063e634ad0c15cdc5306"
+
+[[package]]
+name = "futures-util"
+version = "0.3.23"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f0828a5471e340229c11c77ca80017937ce3c58cb788a17e5f1c2d5c485a9577"
+dependencies = [
+ "futures-channel",
+ "futures-core",
+ "futures-io",
+ "futures-macro",
+ "futures-sink",
+ "futures-task",
+ "memchr",
+ "pin-project-lite",
+ "pin-utils",
+ "slab",
+]
+
 [[package]]
 name = "fxhash"
 version = "0.2.1"
@@ -1941,7 +2021,7 @@ checksum = "dfa686283ad6dd069f105e5ab091b04c62850d3e4cf5d67debad1933f55023df"
 [[package]]
 name = "hexodsp"
 version = "0.2.0"
-source = "git+https://github.com/WeirdConstructor/HexoDSP#be4e9232cc05b96588b156d1c9f995f7eda41ec0"
+source = "git+https://git.txmn.tk/tuxmain/HexoDSP#0ab8cf18354925a6a26ea0e885dfcd6d9f5e9d15"
 dependencies = [
  "hound",
  "lazy_static",
@@ -2882,6 +2962,12 @@ version = "0.2.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e0a7ae3ac2f1173085d398531c705756c94a4c56843785df85a60c1a0afac116"
 
+[[package]]
+name = "pin-utils"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8b870d8c151b6f2fb93e84a13146138f05d02ed11c7e7c54f8826aaaf7c9f184"
+
 [[package]]
 name = "pkg-config"
 version = "0.3.25"
@@ -3699,6 +3785,18 @@ version = "0.2.82"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6598dd0bd3c7d51095ff6531a5b23e02acdc81804e30d8f07afb77b7215a140a"
 
+[[package]]
+name = "wasm_thread"
+version = "0.2.0"
+source = "git+https://github.com/chemicstry/wasm_thread#19842287886ad1b03ed74bac37ca43167067d270"
+dependencies = [
+ "async-channel",
+ "futures",
+ "js-sys",
+ "wasm-bindgen",
+ "web-sys",
+]
+
 [[package]]
 name = "web-sys"
 version = "0.3.59"

Cargo.toml

@@ -15,13 +15,16 @@ rand = "0.8.5"
 rand_distr = "0.4.3"
 rapier2d = "0.14.0"
 serde = { version = "1.0.144", features = ["derive"] }
+ticktock = "0.8.0"
+wasm-bindgen = "0.2"
 
 [target."cfg(not(target_arch = \"wasm32\"))".dependencies]
+hexodsp = { git = "https://git.txmn.tk/tuxmain/HexoDSP", default-features = false }
 cpal = "0.14.0"
-hexodsp = { git = "https://github.com/WeirdConstructor/HexoDSP", default-features = false }
-ticktock = "0.8.0"
 
 [target."cfg(target_arch = \"wasm32\")".dependencies]
+cpal = { version = "0.14.0", features = ["wasm-bindgen"] }
+wasm_thread = { git = "https://github.com/chemicstry/wasm_thread" }
 
 [profile.dev.package."*"]
 opt-level = 3

build-wasm.sh

@@ -1,2 +1,6 @@
 cargo build --release --target wasm32-unknown-unknown
-wasm-bindgen --out-name bevyjam --out-dir target --target web target/wasm32-unknown-unknown/release/bevyjam.wasm
+# wasm-bindgen --out-name bevyjam --out-dir target --target web target/wasm32-unknown-unknown/release/bevyjam.wasm
+wasm-bindgen target/wasm32-unknown-unknown/release/bevyjam.wasm \
+    --out-name bevyjam \
+    --out-dir target \
+    --target no-modules

index.html

@@ -5,9 +5,13 @@
 		<title>Bevyjam</title>
 	</head>
 	<body>
-		<script type="module">
+		<script src="./target/bevyjam.js"></script>
-import init from './target/bevyjam.js'
+		<script type="text/javascript">
-init()
+			wasm_bindgen("./target/bevyjam_bg.wasm").then((wasm) =>{
+				wasm.run();
+			});
+			// import init from './target/bevyjam.js'
+			// init()
 		</script>
 	</body>
 </html>

run-wasm.sh

@@ -0,0 +1,2 @@
+source build-wasm.sh
+python -m http.server

src/game.rs

@@ -471,13 +471,15 @@ fn move_camera(
 
 		let size: Vec2 = camera.logical_viewport_size().unwrap();
 		let half_height: f32 = size.y * 0.5;
+        let mut target_translation = character_transform.translation;
+		// prevent camera from going too low
+		target_translation.y = target_translation.y.max(half_height - MARGIN);
+
 		camera_transform.translation = camera_transform.translation.lerp(
-			character_transform.translation,
+			target_translation,
 			time.delta_seconds() * FOLLOW_SPEED,
 		);
 
-		// prevent camera from going too low
-		camera_transform.translation.y = camera_transform.translation.y.max(half_height - MARGIN);
 		// always make sure that camera is away from the object in order to render them
 		camera_transform.translation.z = 999.0;
 	}

src/main.rs

@@ -13,6 +13,11 @@ use bevy::{
 use bevy_common_assets::json::JsonAssetPlugin;
 use bevy_rapier2d::prelude::*;
 
+#[cfg(not(target_arch = "wasm32"))]
+use std::thread;
+#[cfg(target_arch = "wasm32")]
+use wasm_thread as thread;
+
 #[derive(Clone, Copy, Debug, Eq, Hash, PartialEq)]
 enum AppState {
 	Menu,
@@ -20,12 +25,23 @@ enum AppState {
 	Win,
 }
 
+use wasm_bindgen::prelude::*;
+
+#[cfg(target_arch = "wasm32")]
+#[wasm_bindgen(start)] pub fn dummy_main() {}
+
+#[wasm_bindgen]
+pub fn run() {
+	main();
+}
+
 fn main() {
 	let (audio_event_sender, audio_event_receiver) =
 		crossbeam_channel::bounded::<game::AudioMsg>(512);
 
 	#[cfg(not(target_arch = "wasm32"))]
-	std::thread::spawn(move || audio::setup(audio_event_receiver));
+	thread::spawn(move || audio::setup(audio_event_receiver));
+	thread::spawn(|| {/* ... */});
 
 	#[cfg(not(target_arch = "wasm32"))]
 	let first_level = game::LevelId(