diff --git a/Cargo.lock b/Cargo.lock
index f8985f4..479e00b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2,12 +2,6 @@
 # It is not intended for manual editing.
 version = 3
 
-[[package]]
-name = "ahash"
-version = "0.3.8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e8fd72866655d1904d6b0997d0b07ba561047d070fbe29de039031c641b61217"
-
 [[package]]
 name = "aho-corasick"
 version = "1.1.3"
@@ -17,30 +11,16 @@ dependencies = [
  "memchr",
 ]
 
-[[package]]
-name = "arrayvec"
-version = "0.5.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "23b62fc65de8e4e7f52534fb52b0f3ed04746ae267519eef2a83941e8085068b"
-
-[[package]]
-name = "autocfg"
-version = "1.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ace50bade8e6234aa140d9a2f552bbee1db4d353f69b8217bc503490fc1a9f26"
-
 [[package]]
 name = "bindgen"
-version = "0.69.4"
+version = "0.70.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a00dc851838a2120612785d195287475a3ac45514741da670b735818822129a0"
+checksum = "f49d8fed880d473ea71efb9bf597651e77201bdd4893efe54c9e5d65ae04ce6f"
 dependencies = [
  "bitflags",
  "cexpr",
  "clang-sys",
  "itertools",
- "lazy_static",
- "lazycell",
  "log",
  "prettyplease",
  "proc-macro2",
@@ -48,21 +28,20 @@ dependencies = [
  "regex",
  "rustc-hash",
  "shlex",
- "syn 2.0.79",
- "which",
+ "syn",
 ]
 
 [[package]]
 name = "bitflags"
-version = "2.6.0"
+version = "2.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b048fb63fd8b5923fc5aa7b340d8e156aec7ec02f0c78fa8a6ddc2613f6f71de"
+checksum = "5c8214115b7bf84099f1309324e63141d4c5d7cc26862f97a0a857dbefe165bd"
 
 [[package]]
 name = "cc"
-version = "1.1.24"
+version = "1.2.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "812acba72f0a070b003d3697490d2b55b837230ae7c6c6497f05cc2ddbb8d938"
+checksum = "1fcb57c740ae1daf453ae85f16e37396f672b039e00d9d866e07ddb24e328e3a"
 dependencies = [
  "shlex",
 ]
@@ -76,12 +55,6 @@ dependencies = [
  "nom",
 ]
 
-[[package]]
-name = "cfg-if"
-version = "0.1.10"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4785bdd1c96b2a846b2bd7cc02e86b6b3dbf14e7e53446c4f54c92a361040822"
-
 [[package]]
 name = "cfg-if"
 version = "1.0.0"
@@ -101,168 +74,76 @@ dependencies = [
 
 [[package]]
 name = "cmake"
-version = "0.1.51"
+version = "0.1.54"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fb1e43aa7fd152b1f968787f7dbcdeb306d1867ff373c69955211876c053f91a"
+checksum = "e7caa3f9de89ddbe2c607f4101924c5abec803763ae9534e4f4d7d8f84aa81f0"
 dependencies = [
  "cc",
 ]
 
-[[package]]
-name = "crossbeam-queue"
-version = "0.2.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "774ba60a54c213d409d5353bda12d49cd68d14e45036a285234c8d6f91f92570"
-dependencies = [
- "cfg-if 0.1.10",
- "crossbeam-utils",
- "maybe-uninit",
-]
-
-[[package]]
-name = "crossbeam-utils"
-version = "0.7.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c3c7c73a2d1e9fc0886a08b93e98eb643461230d5f1925e4036204d5f2e261a8"
-dependencies = [
- "autocfg",
- "cfg-if 0.1.10",
- "lazy_static",
-]
-
 [[package]]
 name = "either"
-version = "1.13.0"
+version = "1.15.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "60b1af1c220855b6ceac025d3f6ecdd2b7c4894bfe9cd9bda4fbb4bc7c0d4cf0"
-
-[[package]]
-name = "errno"
-version = "0.3.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "534c5cf6194dfab3db3242765c03bbe257cf92f22b38f6bc0c58d59108a820ba"
-dependencies = [
- "libc",
- "windows-sys",
-]
-
-[[package]]
-name = "fs_extra"
-version = "1.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "42703706b716c37f96a77aea830392ad231f44c9e9a67872fa5548707e11b11c"
+checksum = "48c757948c5ede0e46177b7add2e67155f70e33c07fea8284df6576da70b3719"
 
 [[package]]
 name = "glob"
-version = "0.3.1"
+version = "0.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d2fabcfbdc87f4758337ca535fb41a6d701b65693ce38287d856d1674551ec9b"
-
-[[package]]
-name = "hashbrown"
-version = "0.7.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "96282e96bfcd3da0d3aa9938bedf1e50df3269b6db08b4876d2da0bb1a0841cf"
-dependencies = [
- "ahash",
- "autocfg",
-]
-
-[[package]]
-name = "hibitset"
-version = "0.6.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f3ede5cfa60c958e60330d65163adbc4211e15a2653ad80eb0cce878de120121"
-
-[[package]]
-name = "home"
-version = "0.5.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e3d1354bf6b7235cb4a0576c2619fd4ed18183f689b12b006a0ee7329eeff9a5"
-dependencies = [
- "windows-sys",
-]
+checksum = "a8d1add55171497b4705a648c6b583acafb01d58050a51727785f0b2c8e0a2b2"
 
 [[package]]
 name = "itertools"
-version = "0.12.1"
+version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ba291022dbbd398a455acf126c1e341954079855bc60dfdda641363bd6922569"
+checksum = "413ee7dfc52ee1a4949ceeb7dbc8a33f2d6c088194d9f922fb8318faf1f01186"
 dependencies = [
  "either",
 ]
 
 [[package]]
 name = "itoa"
-version = "1.0.11"
+version = "1.0.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "49f1f14873335454500d59611f1cf4a4b0f786f9ac11f4312a78e4cf2566695b"
-
-[[package]]
-name = "lazy_static"
-version = "1.5.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bbd2bcb4c963f2ddae06a2efc7e9f3591312473c50c6685e1f298068316e66fe"
-
-[[package]]
-name = "lazycell"
-version = "1.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "830d08ce1d1d941e6b30645f1a0eb5643013d835ce3779a5fc208261dbe10f55"
+checksum = "4a5f13b858c8d314ee3e8f639011f7ccefe71f97f96e50151fb991f267928e2c"
 
 [[package]]
 name = "libc"
-version = "0.2.159"
+version = "0.2.171"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "561d97a539a36e26a9a5fad1ea11a3039a67714694aaa379433e580854bc3dc5"
+checksum = "c19937216e9d3aa9956d9bb8dfc0b0c8beb6058fc4f7a4dc4d850edf86a237d6"
 
 [[package]]
 name = "libloading"
-version = "0.8.5"
+version = "0.8.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4979f22fdb869068da03c9f7528f8297c6fd2606bc3a4affe42e6a823fdb8da4"
+checksum = "fc2f4eb4bc735547cfed7c0a4922cbd04a4655978c09b54f1f7b228750664c34"
 dependencies = [
- "cfg-if 1.0.0",
+ "cfg-if",
  "windows-targets",
 ]
 
-[[package]]
-name = "linux-raw-sys"
-version = "0.4.14"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "78b3ae25bc7c8c38cec158d1f2757ee79e9b3740fbc7ccf0e59e4b08d793fa89"
-
-[[package]]
-name = "lock_api"
-version = "0.4.12"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "07af8b9cdd281b7915f413fa73f29ebd5d55d0d3f0155584dade1ff18cea1b17"
-dependencies = [
- "autocfg",
- "scopeguard",
-]
-
 [[package]]
 name = "log"
-version = "0.4.22"
+version = "0.4.27"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a7a70ba024b9dc04c27ea2f0c0548feb474ec5c54bba33a7f72f873a39d07b24"
+checksum = "13dc2df351e3202783a1fe0d44375f7295ffb4049267b0f3018346dc122a1d94"
 
 [[package]]
-name = "marble-machinations"
+name = "marble_engine"
+version = "0.2.1"
+
+[[package]]
+name = "marble_machinations"
 version = "0.2.1"
 dependencies = [
+ "marble_engine",
  "raylib",
  "serde",
  "serde_json",
 ]
 
-[[package]]
-name = "maybe-uninit"
-version = "2.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "60302e4db3a61da70c0cb7991976248362f30319e88850c487b9b95bbf059e00"
-
 [[package]]
 name = "memchr"
 version = "2.7.4"
@@ -275,12 +156,6 @@ version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "68354c5c6bd36d73ff3feceb05efa59b6acb7626617f4962be322a825e61f79a"
 
-[[package]]
-name = "mopa"
-version = "0.2.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a785740271256c230f57462d3b83e52f998433a7062fc18f96d5999474a9f915"
-
 [[package]]
 name = "nom"
 version = "7.1.3"
@@ -292,112 +167,68 @@ dependencies = [
 ]
 
 [[package]]
-name = "once_cell"
-version = "1.20.1"
+name = "paste"
+version = "1.0.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "82881c4be219ab5faaf2ad5e5e5ecdff8c66bd7402ca3160975c93b24961afd1"
-dependencies = [
- "portable-atomic",
-]
-
-[[package]]
-name = "parking_lot"
-version = "0.12.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f1bf18183cf54e8d6059647fc3063646a1801cf30896933ec2311622cc4b9a27"
-dependencies = [
- "lock_api",
- "parking_lot_core",
-]
-
-[[package]]
-name = "parking_lot_core"
-version = "0.9.10"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1e401f977ab385c9e4e3ab30627d6f26d00e2c73eef317493c4ec6d468726cf8"
-dependencies = [
- "cfg-if 1.0.0",
- "libc",
- "redox_syscall",
- "smallvec",
- "windows-targets",
-]
-
-[[package]]
-name = "portable-atomic"
-version = "1.9.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cc9c68a3f6da06753e9335d63e27f6b9754dd1920d941135b7ea8224f141adb2"
+checksum = "57c0d7b74b563b49d38dae00a0c37d4d6de9b432382b2892f0574ddcae73fd0a"
 
 [[package]]
 name = "prettyplease"
-version = "0.2.22"
+version = "0.2.31"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "479cf940fbbb3426c32c5d5176f62ad57549a0bb84773423ba8be9d089f5faba"
+checksum = "5316f57387668042f561aae71480de936257848f9c43ce528e311d89a07cadeb"
 dependencies = [
  "proc-macro2",
- "syn 2.0.79",
+ "syn",
 ]
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.86"
+version = "1.0.94"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5e719e8df665df0d1c8fbfd238015744736151d4445ec0836b8e628aae103b77"
+checksum = "a31971752e70b8b2686d7e46ec17fb38dad4051d94024c88df49b667caea9c84"
 dependencies = [
  "unicode-ident",
 ]
 
 [[package]]
 name = "quote"
-version = "1.0.37"
+version = "1.0.40"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b5b9d34b8991d19d98081b46eacdd8eb58c6f2b201139f7c5f643cc155a633af"
+checksum = "1885c039570dc00dcb4ff087a89e185fd56bae234ddc7f056a945bf36467248d"
 dependencies = [
  "proc-macro2",
 ]
 
 [[package]]
 name = "raylib"
-version = "5.0.2"
+version = "5.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e2a7a6734329d7b872a418fe4cb08ca282eb66a6f4a3430bd4ee4e6a8cac6632"
+checksum = "592b25e626f1b9e3ae92d5343592a2836efa84c7f1710b6b3a16440df20215f3"
 dependencies = [
- "cfg-if 1.0.0",
- "lazy_static",
- "libc",
- "parking_lot",
+ "cfg-if",
+ "paste",
  "raylib-sys",
- "specs",
- "specs-derive",
+ "seq-macro",
+ "thiserror",
 ]
 
 [[package]]
 name = "raylib-sys"
-version = "5.0.2"
+version = "5.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "db5c6001cfaeec17210713227d11f3b1ba4b723bb12cff47d1b93c4060e10ad0"
+checksum = "85111fe8e90405af58eb8063bd05d8fd77d512315f3d551d0abc92deb0419f20"
 dependencies = [
  "bindgen",
  "cc",
  "cmake",
- "fs_extra",
-]
-
-[[package]]
-name = "redox_syscall"
-version = "0.5.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9b6dfecf2c74bce2466cabf93f6664d6998a69eb21e39f4207930065b27b771f"
-dependencies = [
- "bitflags",
 ]
 
 [[package]]
 name = "regex"
-version = "1.11.0"
+version = "1.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "38200e5ee88914975b69f657f0801b6f6dccafd44fd9326302a4aaeecfacb1d8"
+checksum = "b544ef1b4eac5dc2db33ea63606ae9ffcfac26c1416a2806ae0bf5f56b201191"
 dependencies = [
  "aho-corasick",
  "memchr",
@@ -407,9 +238,9 @@ dependencies = [
 
 [[package]]
 name = "regex-automata"
-version = "0.4.8"
+version = "0.4.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "368758f23274712b504848e9d5a6f010445cc8b87a7cdb4d7cbee666c1288da3"
+checksum = "809e8dc61f6de73b46c85f4c96486310fe304c434cfa43669d7b40f711150908"
 dependencies = [
  "aho-corasick",
  "memchr",
@@ -428,56 +259,43 @@ version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "08d43f7aa6b08d49f382cde6a7982047c3426db949b1424bc4b7ec9ae12c6ce2"
 
-[[package]]
-name = "rustix"
-version = "0.38.37"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8acb788b847c24f28525660c4d7758620a7210875711f79e7f663cc152726811"
-dependencies = [
- "bitflags",
- "errno",
- "libc",
- "linux-raw-sys",
- "windows-sys",
-]
-
 [[package]]
 name = "ryu"
-version = "1.0.18"
+version = "1.0.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f3cb5ba0dc43242ce17de99c180e96db90b235b8a9fdc9543c96d2209116bd9f"
+checksum = "28d3b2b1366ec20994f1fd18c3c594f05c5dd4bc44d8bb0c1c632c8d6829481f"
 
 [[package]]
-name = "scopeguard"
-version = "1.2.0"
+name = "seq-macro"
+version = "0.3.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "94143f37725109f92c262ed2cf5e59bce7498c01bcc1502d7b9afe439a4e9f49"
+checksum = "1bc711410fbe7399f390ca1c3b60ad0f53f80e95c5eb935e52268a0e2cd49acc"
 
 [[package]]
 name = "serde"
-version = "1.0.210"
+version = "1.0.219"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c8e3592472072e6e22e0a54d5904d9febf8508f65fb8552499a1abc7d1078c3a"
+checksum = "5f0e2c6ed6606019b4e29e69dbaba95b11854410e5347d525002456dbbb786b6"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.210"
+version = "1.0.219"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "243902eda00fad750862fc144cea25caca5e20d615af0a81bee94ca738f1df1f"
+checksum = "5b0276cf7f2c73365f7157c8123c21cd9a50fbbd844757af28ca1f5925fc2a00"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.79",
+ "syn",
 ]
 
 [[package]]
 name = "serde_json"
-version = "1.0.128"
+version = "1.0.140"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6ff5456707a1de34e7e37f2a6fd3d3f808c318259cbd01ab6377795054b483d8"
+checksum = "20068b6e96dc6c9bd23e01df8827e6c7e1f2fddd43c21810382803c136b99373"
 dependencies = [
  "itoa",
  "memchr",
@@ -491,62 +309,11 @@ version = "1.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0fda2ff0d084019ba4d7c6f371c95d8fd75ce3524c3cb8fb653a3023f6323e64"
 
-[[package]]
-name = "shred"
-version = "0.10.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c5f08237e667ac94ad20f8878b5943d91a93ccb231428446c57c21c57779016d"
-dependencies = [
- "arrayvec",
- "hashbrown",
- "mopa",
- "smallvec",
- "tynm",
-]
-
-[[package]]
-name = "shrev"
-version = "1.1.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a5ea33232fdcf1bf691ca33450e5a94dde13e1a8cbb8caabc5e4f9d761e10b1a"
-
-[[package]]
-name = "smallvec"
-version = "1.13.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3c5e1a9a646d36c3599cd173a41282daf47c44583ad367b8e6837255952e5c67"
-
-[[package]]
-name = "specs"
-version = "0.16.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fff28a29366aff703d5da8a7e2c8875dc8453ac1118f842cbc0fa70c7db51240"
-dependencies = [
- "crossbeam-queue",
- "hashbrown",
- "hibitset",
- "log",
- "shred",
- "shrev",
- "tuple_utils",
-]
-
-[[package]]
-name = "specs-derive"
-version = "0.4.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3e23e09360f3d2190fec4222cd9e19d3158d5da948c0d1ea362df617dd103511"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn 1.0.109",
-]
-
 [[package]]
 name = "syn"
-version = "1.0.109"
+version = "2.0.100"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "72b64191b275b66ffe2469e8af2c1cfe3bafa67b529ead792a6d0160888b4237"
+checksum = "b09a44accad81e1ba1cd74a32461ba89dee89095ba17b32f5d03683b1b1fc2a0"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -554,57 +321,30 @@ dependencies = [
 ]
 
 [[package]]
-name = "syn"
-version = "2.0.79"
+name = "thiserror"
+version = "1.0.69"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "89132cd0bf050864e1d38dc3bbc07a0eb8e7530af26344d3d2bbbef83499f590"
+checksum = "b6aaf5339b578ea85b50e080feb250a3e8ae8cfcdff9a461c9ec2904bc923f52"
 dependencies = [
- "proc-macro2",
- "quote",
- "unicode-ident",
+ "thiserror-impl",
 ]
 
 [[package]]
-name = "tuple_utils"
-version = "0.3.0"
+name = "thiserror-impl"
+version = "1.0.69"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "44834418e2c5b16f47bedf35c28e148db099187dd5feee6367fb2525863af4f1"
-
-[[package]]
-name = "tynm"
-version = "0.1.10"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bd30d05e69d1478e13fe3e7a853409cfec82cebc2cf9b8d613b3c6b0081781ed"
+checksum = "4fee6c4efc90059e10f81e6d42c60a18f76588c3d74cb83a0b242a2b6c7504c1"
 dependencies = [
- "nom",
+ "proc-macro2",
+ "quote",
+ "syn",
 ]
 
 [[package]]
 name = "unicode-ident"
-version = "1.0.13"
+version = "1.0.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e91b56cd4cadaeb79bbf1a5645f6b4f8dc5bde8834ad5894a8db35fda9efa1fe"
-
-[[package]]
-name = "which"
-version = "4.4.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "87ba24419a2078cd2b0f2ede2691b6c66d8e47836da3b6db8265ebad47afbfc7"
-dependencies = [
- "either",
- "home",
- "once_cell",
- "rustix",
-]
-
-[[package]]
-name = "windows-sys"
-version = "0.52.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "282be5f36a8ce781fad8c8ae18fa3f9beff57ec1b52cb3de0789201425d9a33d"
-dependencies = [
- "windows-targets",
-]
+checksum = "5a5f39404a5da50712a4c1eecf25e90dd62b613502b7e925fd4e4d19b5c96512"
 
 [[package]]
 name = "windows-targets"
diff --git a/Cargo.toml b/Cargo.toml
index a4578e8..1576c5b 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,9 +1,7 @@
-[package]
-name = "marble-machinations"
-version = "0.2.1"
-edition = "2021"
+[workspace]
+
+members = [
+    "marble_machinations",
+    "marble_engine",
+]
 
-[dependencies]
-raylib = "5.0.2"
-serde = { version = "1.0.210", features = ["derive"] }
-serde_json = "1.0.128"
diff --git a/marble_engine/Cargo.toml b/marble_engine/Cargo.toml
new file mode 100644
index 0000000..e4434db
--- /dev/null
+++ b/marble_engine/Cargo.toml
@@ -0,0 +1,7 @@
+[package]
+name = "marble_engine"
+version = "0.2.1"
+edition = "2021"
+
+[dependencies]
+
diff --git a/src/marble_engine/board.rs b/marble_engine/src/board.rs
similarity index 75%
rename from src/marble_engine/board.rs
rename to marble_engine/src/board.rs
index 86f153e..836692e 100644
--- a/src/marble_engine/board.rs
+++ b/marble_engine/src/board.rs
@@ -1,10 +1,4 @@
-use raylib::prelude::*;
-
 use super::{tile::*, Pos, PosInt};
-use crate::{
-	theme::TILE_TEXTURE_SIZE,
-	util::{draw_scaled_texture, Textures},
-};
 
 #[derive(Debug, Clone, PartialEq)]
 pub struct Board {
@@ -194,40 +188,4 @@ impl Board {
 		}
 		out
 	}
-
-	pub fn draw(&self, d: &mut RaylibDrawHandle, textures: &Textures, offset: Vector2, scale: f32) {
-		let tile_size = (TILE_TEXTURE_SIZE * scale) as i32;
-
-		let start_x = (-offset.x as i32) / tile_size - 1;
-		let tile_width = d.get_screen_width() / tile_size + 2;
-		let start_y = (-offset.y as i32) / tile_size - 1;
-		let tile_height = d.get_screen_height() / tile_size + 2;
-
-		for x in start_x..(start_x + tile_width) {
-			for y in start_y..(start_y + tile_height) {
-				let px = x * tile_size + offset.x as i32;
-				let py = y * tile_size + offset.y as i32;
-				if let Some(tile) = self.get((x, y).into()) {
-					let texname = tile.texture();
-					if texname.is_empty() {
-						continue;
-					}
-					let texture = textures.get(texname);
-					draw_scaled_texture(d, texture, px, py, scale);
-					#[cfg(debug_assertions)]
-					// TODO: some in-game option to show power direction
-					if let Tile::Powerable(_, state) = &tile {
-						for dir in Direction::ALL {
-							if state.get_dir(dir) {
-								let texture = textures.get(dir.debug_arrow_texture_name());
-								draw_scaled_texture(d, texture, px, py, scale);
-							}
-						}
-					}
-				} else {
-					d.draw_rectangle(px, py, tile_size, tile_size, Color::new(0, 0, 0, 80));
-				}
-			}
-		}
-	}
 }
diff --git a/src/marble_engine.rs b/marble_engine/src/lib.rs
similarity index 93%
rename from src/marble_engine.rs
rename to marble_engine/src/lib.rs
index 36ebf83..369caa4 100644
--- a/src/marble_engine.rs
+++ b/marble_engine/src/lib.rs
@@ -1,9 +1,7 @@
-use raylib::prelude::*;
-
 pub mod board;
 pub mod pos;
 pub mod tile;
-use crate::{theme::TILE_TEXTURE_SIZE, ui::draw_usize_small, util::Textures};
+
 use board::Board;
 use pos::*;
 use tile::*;
@@ -57,6 +55,10 @@ impl Machine {
 		self.board = board;
 	}
 
+	pub fn marbles(&self) -> &[Pos] {
+		&self.marbles
+	}
+
 	pub fn board(&self) -> &Board {
 		&self.board
 	}
@@ -82,31 +84,6 @@ impl Machine {
 		self.input = bytes;
 	}
 
-	pub fn draw_marble_values(
-		&self,
-		d: &mut RaylibDrawHandle,
-		textures: &Textures,
-		offset: Vector2,
-		scale: f32,
-	) {
-		let tile_size = (TILE_TEXTURE_SIZE * scale) as i32;
-		for marble in &self.marbles {
-			let x = marble.x;
-			let y = marble.y;
-			if let Some(tile) = self.board.get(*marble) {
-				let px = x as i32 * tile_size + offset.x as i32;
-				let py = y as i32 * tile_size + offset.y as i32;
-				if let Tile::Marble { value, dir } = tile {
-					let texture = textures.get(dir.arrow_texture_name());
-					let pos = Vector2::new(px as f32, py as f32);
-					let faded_white = Color::new(255, 255, 255, 100);
-					d.draw_texture_ex(texture, pos, 0., scale, faded_white);
-					draw_usize_small(d, textures, value as usize, px, py, scale);
-				}
-			}
-		}
-	}
-
 	pub fn step(&mut self) {
 		self.steps += 1;
 		#[cfg(debug_assertions)]
@@ -529,6 +506,10 @@ impl Machine {
 		}
 		#[cfg(debug_assertions)]
 		{
+			self.debug_subticks.push(DebugSubTick {
+				board: self.board.clone(),
+				pos: None,
+			});
 			self.subtick_index = self.debug_subticks.len() - 1;
 		}
 	}
diff --git a/src/marble_engine/pos.rs b/marble_engine/src/pos.rs
similarity index 76%
rename from src/marble_engine/pos.rs
rename to marble_engine/src/pos.rs
index 9eea35c..03f4b99 100644
--- a/src/marble_engine/pos.rs
+++ b/marble_engine/src/pos.rs
@@ -1,7 +1,5 @@
 use std::ops::Add;
 
-use raylib::prelude::*;
-
 pub type PosInt = i16;
 
 #[derive(Debug, Default, Clone, Copy, PartialEq)]
@@ -11,13 +9,6 @@ pub struct Pos {
 }
 
 impl Pos {
-	pub const fn to_vec(self) -> Vector2 {
-		Vector2 {
-			x: self.x as f32,
-			y: self.y as f32,
-		}
-	}
-
 	pub fn min(self, other: Self) -> Self {
 		Self {
 			x: self.x.min(other.x),
@@ -51,15 +42,6 @@ impl From<(i32, i32)> for Pos {
 	}
 }
 
-impl From<Vector2> for Pos {
-	fn from(vec: Vector2) -> Self {
-		Self {
-			x: vec.x as PosInt,
-			y: vec.y as PosInt,
-		}
-	}
-}
-
 impl Add for Pos {
 	type Output = Self;
 	fn add(self, rhs: Self) -> Self::Output {
diff --git a/src/marble_engine/tile.rs b/marble_engine/src/tile.rs
similarity index 99%
rename from src/marble_engine/tile.rs
rename to marble_engine/src/tile.rs
index 798c51c..bc80f59 100644
--- a/src/marble_engine/tile.rs
+++ b/marble_engine/src/tile.rs
@@ -1,4 +1,4 @@
-use crate::marble_engine::Pos;
+use crate::Pos;
 
 pub type MarbleValue = u32;
 
diff --git a/marble_machinations/Cargo.toml b/marble_machinations/Cargo.toml
new file mode 100644
index 0000000..0cc6e6f
--- /dev/null
+++ b/marble_machinations/Cargo.toml
@@ -0,0 +1,10 @@
+[package]
+name = "marble_machinations"
+version = "0.2.1"
+edition = "2021"
+
+[dependencies]
+marble_engine = { path = "../marble_engine" }
+raylib = "5.0.2"
+serde = { version = "1.0.210", features = ["derive"] }
+serde_json = "1.0.128"
diff --git a/build.rs b/marble_machinations/build.rs
similarity index 83%
rename from build.rs
rename to marble_machinations/build.rs
index 75a2430..318cf70 100644
--- a/build.rs
+++ b/marble_machinations/build.rs
@@ -2,7 +2,7 @@ use std::{fs::File, io::Write};
 
 fn main() {
 	let version = concat!("v", env!("CARGO_PKG_VERSION"));
-	File::create("version.txt")
+	File::create("../version.txt")
 		.unwrap()
 		.write_all(version.as_bytes())
 		.unwrap();
diff --git a/src/blueprint.rs b/marble_machinations/src/blueprint.rs
similarity index 95%
rename from src/blueprint.rs
rename to marble_machinations/src/blueprint.rs
index 2419eeb..13ec0a0 100644
--- a/src/blueprint.rs
+++ b/marble_machinations/src/blueprint.rs
@@ -6,7 +6,8 @@ use std::{
 
 use serde::{Deserialize, Serialize};
 
-use crate::{marble_engine::board::Board, util::userdata_dir};
+use crate::util::userdata_dir;
+use marble_engine::board::Board;
 
 #[derive(Debug, Clone, Serialize, Deserialize)]
 pub struct Blueprint {
diff --git a/src/config.rs b/marble_machinations/src/config.rs
similarity index 100%
rename from src/config.rs
rename to marble_machinations/src/config.rs
diff --git a/src/editor.rs b/marble_machinations/src/editor.rs
similarity index 97%
rename from src/editor.rs
rename to marble_machinations/src/editor.rs
index 644ffb4..bbd921e 100644
--- a/src/editor.rs
+++ b/marble_machinations/src/editor.rs
@@ -10,12 +10,13 @@ use raylib::prelude::*;
 use crate::{
 	blueprint::Blueprint,
 	level::Level,
-	marble_engine::{board::*, pos::*, tile::*, Machine},
+	marble_engine::{draw_board, draw_marble_values, PosRaylib},
 	solution::*,
 	theme::*,
 	ui::*,
 	util::*,
 };
+use marble_engine::{board::*, pos::*, tile::*, Machine};
 
 const HEADER_HEIGHT: i32 = 40;
 const FOOTER_HEIGHT: i32 = 95;
@@ -562,26 +563,26 @@ impl Editor {
 
 	fn draw_board(&self, d: &mut RaylibDrawHandle, textures: &Textures) {
 		if self.sim_state == SimState::Editing {
-			self.source_board
-				.draw(d, textures, self.view_offset, self.zoom);
+			draw_board(&self.source_board, d, textures, self.view_offset, self.zoom);
 		} else {
 			if self.machine.debug_subticks.is_empty() {
-				self.machine
-					.board()
-					.draw(d, textures, self.view_offset, self.zoom);
+				draw_board(
+					self.machine.board(),
+					d,
+					textures,
+					self.view_offset,
+					self.zoom,
+				);
 			} else {
 				let subframe = &self.machine.debug_subticks[self.machine.subtick_index];
-				subframe
-					.board
-					.draw(d, textures, self.view_offset, self.zoom);
+				draw_board(&subframe.board, d, textures, self.view_offset, self.zoom);
 				if let Some(pos) = subframe.pos {
 					let p = self.pos_to_screen(pos.to_vec());
 					d.draw_texture_ex(textures.get("selection"), p, 0., self.zoom, Color::ORANGE);
 				}
 			}
 			if self.draw_overlay {
-				self.machine
-					.draw_marble_values(d, textures, self.view_offset, self.zoom);
+				draw_marble_values(&self.machine, d, textures, self.view_offset, self.zoom);
 			}
 		}
 	}
@@ -1262,12 +1263,12 @@ impl Editor {
 					offset.x -= offset.x.rem(tile_size);
 					offset.y -= offset.y.rem(tile_size);
 					offset += view_offset;
-					board.draw(d, textures, offset, self.zoom);
+					draw_board(&board, d, textures, offset, self.zoom);
 					if self.mouse.left_click() {
 						let tile_pos = (self.mouse.pos() - self.view_offset) / tile_size;
 						let tile_pos = Vector2::new(tile_pos.x.floor(), tile_pos.y.floor());
 						let board = self.pasting_board.take().unwrap();
-						self.set_area(tile_pos.into(), board);
+						self.set_area(Pos::from_vec(tile_pos), board);
 					}
 				}
 				return;
@@ -1336,7 +1337,7 @@ impl Editor {
 					);
 				}
 				if self.mouse.left_click() {
-					let pos = tile_pos.into();
+					let pos = Pos::from_vec(tile_pos);
 					match self.active_tool {
 						Tool::None | Tool::Erase | Tool::SelectArea(_) => (),
 						Tool::SetTile(tile) => self.set_tile(pos, tile),
@@ -1371,18 +1372,20 @@ impl Editor {
 					}
 				}
 				if self.mouse.left_hold() && self.active_tool == Tool::Erase {
-					self.set_tile(tile_pos.into(), Tile::BLANK);
+					self.set_tile(Pos::from_vec(tile_pos), Tile::BLANK);
 				}
 				if let Tool::SelectArea(selection) = &mut self.active_tool {
 					if self.mouse.left_hold() {
 						if selection.is_selecting {
 							if let Some((_start, end)) = &mut selection.area {
-								*end = tile_pos.into();
+								*end = Pos::from_vec(tile_pos);
 							} else {
-								selection.area = Some((tile_pos.into(), tile_pos.into()));
+								selection.area =
+									Some((Pos::from_vec(tile_pos), Pos::from_vec(tile_pos)));
 							}
 						} else {
-							selection.area = Some((tile_pos.into(), tile_pos.into()));
+							selection.area =
+								Some((Pos::from_vec(tile_pos), Pos::from_vec(tile_pos)));
 							selection.is_selecting = true;
 						}
 					} else if self.mouse.left_release() {
@@ -1399,7 +1402,7 @@ impl Editor {
 						offset.x -= offset.x.rem(tile_size);
 						offset.y -= offset.y.rem(tile_size);
 						offset += view_offset;
-						bp.convert_board().draw(d, textures, offset, self.zoom);
+						draw_board(bp.convert_board(), d, textures, offset, self.zoom);
 					}
 					if self.mouse.pos().x < SIDEBAR_WIDTH as f32 {
 						if self.mouse.scroll() == Some(Scroll::Down)
diff --git a/src/level.rs b/marble_machinations/src/level.rs
similarity index 100%
rename from src/level.rs
rename to marble_machinations/src/level.rs
diff --git a/src/lib.rs b/marble_machinations/src/lib.rs
similarity index 89%
rename from src/lib.rs
rename to marble_machinations/src/lib.rs
index 294ea50..06d1167 100644
--- a/src/lib.rs
+++ b/marble_machinations/src/lib.rs
@@ -1,4 +1,5 @@
 pub mod blueprint;
+pub mod config;
 pub mod editor;
 pub mod level;
 pub mod marble_engine;
diff --git a/src/main.rs b/marble_machinations/src/main.rs
similarity index 100%
rename from src/main.rs
rename to marble_machinations/src/main.rs
diff --git a/marble_machinations/src/marble_engine.rs b/marble_machinations/src/marble_engine.rs
new file mode 100644
index 0000000..b5e1377
--- /dev/null
+++ b/marble_machinations/src/marble_engine.rs
@@ -0,0 +1,104 @@
+use marble_engine::{
+	board::Board,
+	pos::{Pos, PosInt},
+	tile::{Direction, Tile},
+	Machine,
+};
+use raylib::{
+	color::Color,
+	drawing::{RaylibDraw, RaylibDrawHandle},
+	math::Vector2,
+};
+
+use crate::{
+	theme::TILE_TEXTURE_SIZE,
+	ui::draw_usize_small,
+	util::{draw_scaled_texture, Textures},
+};
+
+pub trait PosRaylib {
+	fn to_vec(self) -> Vector2;
+	fn from_vec(vec: Vector2) -> Self;
+}
+
+impl PosRaylib for Pos {
+	fn from_vec(vec: Vector2) -> Self {
+		Self {
+			x: vec.x as PosInt,
+			y: vec.y as PosInt,
+		}
+	}
+	fn to_vec(self) -> Vector2 {
+		Vector2 {
+			x: self.x as f32,
+			y: self.y as f32,
+		}
+	}
+}
+
+pub fn draw_board(
+	board: &Board,
+	d: &mut RaylibDrawHandle,
+	textures: &Textures,
+	offset: Vector2,
+	scale: f32,
+) {
+	let tile_size = (TILE_TEXTURE_SIZE * scale) as i32;
+
+	let start_x = (-offset.x as i32) / tile_size - 1;
+	let tile_width = d.get_screen_width() / tile_size + 2;
+	let start_y = (-offset.y as i32) / tile_size - 1;
+	let tile_height = d.get_screen_height() / tile_size + 2;
+
+	for x in start_x..(start_x + tile_width) {
+		for y in start_y..(start_y + tile_height) {
+			let px = x * tile_size + offset.x as i32;
+			let py = y * tile_size + offset.y as i32;
+			if let Some(tile) = board.get((x, y).into()) {
+				let texname = tile.texture();
+				if texname.is_empty() {
+					continue;
+				}
+				let texture = textures.get(texname);
+				draw_scaled_texture(d, texture, px, py, scale);
+				#[cfg(debug_assertions)]
+				// TODO: some in-game option to show power direction
+				if let Tile::Powerable(_, state) = &tile {
+					for dir in Direction::ALL {
+						if state.get_dir(dir) {
+							let texture = textures.get(dir.debug_arrow_texture_name());
+							draw_scaled_texture(d, texture, px, py, scale);
+						}
+					}
+				}
+			} else {
+				d.draw_rectangle(px, py, tile_size, tile_size, Color::new(0, 0, 0, 80));
+			}
+		}
+	}
+}
+
+pub fn draw_marble_values(
+	machine: &Machine,
+	d: &mut RaylibDrawHandle,
+	textures: &Textures,
+	offset: Vector2,
+	scale: f32,
+) {
+	let tile_size = (TILE_TEXTURE_SIZE * scale) as i32;
+	for marble in machine.marbles() {
+		let x = marble.x;
+		let y = marble.y;
+		if let Some(tile) = machine.board().get(*marble) {
+			let px = x as i32 * tile_size + offset.x as i32;
+			let py = y as i32 * tile_size + offset.y as i32;
+			if let Tile::Marble { value, dir } = tile {
+				let texture = textures.get(dir.arrow_texture_name());
+				let pos = Vector2::new(px as f32, py as f32);
+				let faded_white = Color::new(255, 255, 255, 100);
+				d.draw_texture_ex(texture, pos, 0., scale, faded_white);
+				draw_usize_small(d, textures, value as usize, px, py, scale);
+			}
+		}
+	}
+}
diff --git a/src/solution.rs b/marble_machinations/src/solution.rs
similarity index 100%
rename from src/solution.rs
rename to marble_machinations/src/solution.rs
diff --git a/src/theme.rs b/marble_machinations/src/theme.rs
similarity index 100%
rename from src/theme.rs
rename to marble_machinations/src/theme.rs
diff --git a/src/ui.rs b/marble_machinations/src/ui.rs
similarity index 100%
rename from src/ui.rs
rename to marble_machinations/src/ui.rs
diff --git a/src/util.rs b/marble_machinations/src/util.rs
similarity index 100%
rename from src/util.rs
rename to marble_machinations/src/util.rs