From 8e96a0ba110c80125b28e78ee3726f914835dcf9 Mon Sep 17 00:00:00 2001
From: djairoh <djairoh@mykolab.com>
Date: Wed, 15 Apr 2026 00:17:57 +0200
Subject: [PATCH] ft: 3: vec3 class

---
 Cargo.lock  | 659 +++++++++++++++++++++++++++++++++++++++++++++++++++-
 Cargo.toml  |   3 +
 output.png  | Bin 0 -> 1999 bytes
 src/main.rs |  20 +-
 src/vec3.rs | 252 ++++++++++++++++++++
 5 files changed, 922 insertions(+), 12 deletions(-)
 create mode 100644 output.png
 create mode 100644 src/vec3.rs

diff --git a/Cargo.lock b/Cargo.lock
index 751c30f..c0d5dfa 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -8,6 +8,15 @@ version = "2.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "320119579fcad9c21884f5c4861d16174d0e06250625266f50fe6898340abefa"
 
+[[package]]
+name = "aho-corasick"
+version = "1.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ddd31a130427c27518df266943a5308ed92d4b226cc639f5a8f1002816174301"
+dependencies = [
+ "memchr",
+]
+
 [[package]]
 name = "aligned"
 version = "0.4.3"
@@ -64,6 +73,17 @@ dependencies = [
  "stable_deref_trait",
 ]
 
+[[package]]
+name = "async-trait"
+version = "0.1.89"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9035ad2d096bed7955a320ee7e2230574d28fd3c3a0f186cbea1ff3c7eed5dbb"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "autocfg"
 version = "1.5.0"
@@ -85,7 +105,7 @@ dependencies = [
  "num-traits",
  "pastey",
  "rayon",
- "thiserror",
+ "thiserror 2.0.18",
  "v_frame",
  "y4m",
 ]
@@ -119,6 +139,12 @@ version = "0.10.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1e4b40c7323adcfc0a41c4b88143ed58346ff65a288fc144329c5c45e05d70c6"
 
+[[package]]
+name = "bitflags"
+version = "1.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
+
 [[package]]
 name = "bitflags"
 version = "2.11.1"
@@ -152,12 +178,24 @@ version = "1.25.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c8efb64bd706a16a1bdde310ae86b351e4d21550d98d056f22f8a7f7a2183fec"
 
+[[package]]
+name = "byteorder"
+version = "1.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1fd0f2584146f6f2ef48085050886acf353beff7305ebd1ae69500e27c67f64b"
+
 [[package]]
 name = "byteorder-lite"
 version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8f1fe948ff07f4bd06c30984e69f5b4899c516a3ef74f34df92a2df2ab535495"
 
+[[package]]
+name = "bytes"
+version = "1.11.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1e748733b7cbc798e1434b6ac524f0c1ff2ab456fe201501e6497c8417a4fc33"
+
 [[package]]
 name = "cc"
 version = "1.2.60"
@@ -228,6 +266,19 @@ version = "1.15.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "48c757948c5ede0e46177b7add2e67155f70e33c07fea8284df6576da70b3719"
 
+[[package]]
+name = "env_logger"
+version = "0.10.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4cd405aab171cb85d6735e5c8d9db038c17d3ca007a4d2c25f337935c3d90580"
+dependencies = [
+ "humantime",
+ "is-terminal",
+ "log",
+ "regex",
+ "termcolor",
+]
+
 [[package]]
 name = "equator"
 version = "0.4.2"
@@ -308,6 +359,57 @@ dependencies = [
  "miniz_oxide",
 ]
 
+[[package]]
+name = "fnv"
+version = "1.0.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3f9eec918d3f24069decb9af1554cad7c880e2da24a9afd88aca000531ab82c1"
+
+[[package]]
+name = "futures-channel"
+version = "0.3.32"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "07bbe89c50d7a535e539b8c17bc0b49bdb77747034daa8087407d655f3f7cc1d"
+dependencies = [
+ "futures-core",
+]
+
+[[package]]
+name = "futures-core"
+version = "0.3.32"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7e3450815272ef58cec6d564423f6e755e25379b217b0bc688e295ba24df6b1d"
+
+[[package]]
+name = "futures-macro"
+version = "0.3.32"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e835b70203e41293343137df5c0664546da5745f82ec9b84d40be8336958447b"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "futures-task"
+version = "0.3.32"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "037711b3d59c33004d3856fbdc83b99d4ff37a24768fa1be9ce3538a1cde4393"
+
+[[package]]
+name = "futures-util"
+version = "0.3.32"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "389ca41296e6190b48053de0321d02a77f32f8a5d2461dd38762c0593805c6d6"
+dependencies = [
+ "futures-core",
+ "futures-macro",
+ "futures-task",
+ "pin-project-lite",
+ "slab",
+]
+
 [[package]]
 name = "getrandom"
 version = "0.3.4"
@@ -341,6 +443,81 @@ dependencies = [
  "zerocopy",
 ]
 
+[[package]]
+name = "hermit-abi"
+version = "0.5.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fc0fef456e4baa96da950455cd02c081ca953b141298e41db3fc7e36b1da849c"
+
+[[package]]
+name = "hex"
+version = "0.4.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7f24254aa9a54b5c858eaee2f5bccdb46aaf0e486a595ed5fd8f86ba55232a70"
+
+[[package]]
+name = "http"
+version = "0.2.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "601cbb57e577e2f5ef5be8e7b83f0f63994f25aa94d673e54a92d5c516d101f1"
+dependencies = [
+ "bytes",
+ "fnv",
+ "itoa",
+]
+
+[[package]]
+name = "http-body"
+version = "0.4.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7ceab25649e9960c0311ea418d17bee82c0dcec1bd053b5f9a66e265a693bed2"
+dependencies = [
+ "bytes",
+ "http",
+ "pin-project-lite",
+]
+
+[[package]]
+name = "httparse"
+version = "1.10.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6dbf3de79e51f3d586ab4cb9d5c3e2c14aa28ed23d180cf89b4df0454a69cc87"
+
+[[package]]
+name = "httpdate"
+version = "1.0.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "df3b46402a9d5adb4c86a0cf463f42e19994e3ee891101b1841f30a545cb49a9"
+
+[[package]]
+name = "humantime"
+version = "2.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "135b12329e5e3ce057a9f972339ea52bc954fe1e9358ef27f95e89716fbc5424"
+
+[[package]]
+name = "hyper"
+version = "0.14.32"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "41dfc780fdec9373c01bae43289ea34c972e40ee3c9f6b3c8801a35f35586ce7"
+dependencies = [
+ "bytes",
+ "futures-channel",
+ "futures-core",
+ "futures-util",
+ "http",
+ "http-body",
+ "httparse",
+ "httpdate",
+ "itoa",
+ "pin-project-lite",
+ "socket2 0.5.10",
+ "tokio",
+ "tower-service",
+ "tracing",
+ "want",
+]
+
 [[package]]
 name = "image"
 version = "0.25.10"
@@ -381,6 +558,15 @@ version = "1.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e7c5cedc30da3a610cac6b4ba17597bdf7152cf974e8aab3afb3d54455e371c8"
 
+[[package]]
+name = "instant"
+version = "0.1.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e0242819d153cba4b4b05a5a8f2a7e9bbf97b6055b2a002b395c96b5ff3c0222"
+dependencies = [
+ "cfg-if",
+]
+
 [[package]]
 name = "interpolate_name"
 version = "0.2.4"
@@ -392,6 +578,17 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "is-terminal"
+version = "0.4.17"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3640c1c38b8e4e43584d8df18be5fc6b0aa314ce6ebf51b53313d4306cca8e46"
+dependencies = [
+ "hermit-abi",
+ "libc",
+ "windows-sys 0.61.2",
+]
+
 [[package]]
 name = "itertools"
 version = "0.14.0"
@@ -401,6 +598,12 @@ dependencies = [
  "either",
 ]
 
+[[package]]
+name = "itoa"
+version = "1.0.18"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8f42a60cbdf9a97f5d2305f08a87dc4e09308d1276d28c869c684d7777685682"
+
 [[package]]
 name = "jobserver"
 version = "0.1.34"
@@ -411,6 +614,12 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "lazy_static"
+version = "1.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bbd2bcb4c963f2ddae06a2efc7e9f3591312473c50c6685e1f298068316e66fe"
+
 [[package]]
 name = "lebe"
 version = "0.5.3"
@@ -433,6 +642,15 @@ dependencies = [
  "cc",
 ]
 
+[[package]]
+name = "lock_api"
+version = "0.4.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "224399e74b87b5f3557511d98dff8b14089b3dadafcab6bb93eab67d3aace965"
+dependencies = [
+ "scopeguard",
+]
+
 [[package]]
 name = "log"
 version = "0.4.29"
@@ -474,6 +692,17 @@ dependencies = [
  "simd-adler32",
 ]
 
+[[package]]
+name = "mio"
+version = "1.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "50b7e5b27aa02a74bac8c3f23f448f8d87ff11f92d3aac1a6ed369ee08cc56c1"
+dependencies = [
+ "libc",
+ "wasi",
+ "windows-sys 0.61.2",
+]
+
 [[package]]
 name = "moxcms"
 version = "0.8.1"
@@ -570,6 +799,54 @@ version = "1.21.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9f7c3e4beb33f85d45ae3e3a1792185706c8e16d043238c593331cc7cd313b50"
 
+[[package]]
+name = "ops"
+version = "0.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "84d3c0b53fdad4ac53b19afbf296402d4ba0c9e99ddc28cbb5201f37ecce217a"
+dependencies = [
+ "futures-util",
+ "hyper",
+ "once_cell",
+ "ops-core",
+ "prometheus",
+ "serde_json",
+]
+
+[[package]]
+name = "ops-core"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0d57465be38a13e24528c3c821514029e9b6171b8e86cb04cfa481c78bc7af57"
+dependencies = [
+ "async-trait",
+]
+
+[[package]]
+name = "parking_lot"
+version = "0.11.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7d17b78036a60663b797adeaee46f5c9dfebb86948d1255007a1d6be0271ff99"
+dependencies = [
+ "instant",
+ "lock_api",
+ "parking_lot_core",
+]
+
+[[package]]
+name = "parking_lot_core"
+version = "0.8.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "60a2cfe6f0ad2bfc16aefa463b497d5c7a5ecd44a23efa72aa342d90177356dc"
+dependencies = [
+ "cfg-if",
+ "instant",
+ "libc",
+ "redox_syscall",
+ "smallvec",
+ "winapi",
+]
+
 [[package]]
 name = "paste"
 version = "1.0.15"
@@ -582,13 +859,19 @@ version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "35fb2e5f958ec131621fdd531e9fc186ed768cbe395337403ae56c17a74c68ec"
 
+[[package]]
+name = "pin-project-lite"
+version = "0.2.17"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a89322df9ebe1c1578d689c92318e070967d1042b512afbe49518723f4e6d5cd"
+
 [[package]]
 name = "png"
 version = "0.18.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "60769b8b31b2a9f263dae2776c37b1b28ae246943cf719eb6946a1db05128a61"
 dependencies = [
- "bitflags",
+ "bitflags 2.11.1",
  "crc32fast",
  "fdeflate",
  "flate2",
@@ -604,6 +887,16 @@ dependencies = [
  "zerocopy",
 ]
 
+[[package]]
+name = "pretty_env_logger"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "865724d4dbe39d9f3dd3b52b88d859d66bcb2d6a0acfd5ea68a65fb66d4bdc1c"
+dependencies = [
+ "env_logger",
+ "log",
+]
+
 [[package]]
 name = "proc-macro2"
 version = "1.0.106"
@@ -613,6 +906,20 @@ dependencies = [
  "unicode-ident",
 ]
 
+[[package]]
+name = "procfs"
+version = "0.9.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ab8809e0c18450a2db0f236d2a44ec0b4c1412d0eb936233579f0990faa5d5cd"
+dependencies = [
+ "bitflags 1.3.2",
+ "byteorder",
+ "flate2",
+ "hex",
+ "lazy_static",
+ "libc",
+]
+
 [[package]]
 name = "profiling"
 version = "1.0.17"
@@ -632,6 +939,22 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "prometheus"
+version = "0.11.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c8425533e7122f0c3cc7a37e6244b16ad3a2cc32ae7ac6276e2a75da0d9c200d"
+dependencies = [
+ "cfg-if",
+ "fnv",
+ "lazy_static",
+ "libc",
+ "parking_lot",
+ "procfs",
+ "regex",
+ "thiserror 1.0.69",
+]
+
 [[package]]
 name = "pxfm"
 version = "0.1.28"
@@ -727,7 +1050,7 @@ dependencies = [
  "rand",
  "rand_chacha",
  "simd_helpers",
- "thiserror",
+ "thiserror 2.0.18",
  "v_frame",
  "wasm-bindgen",
 ]
@@ -772,8 +1095,49 @@ name = "raytracing"
 version = "0.1.0"
 dependencies = [
  "image",
+ "log",
+ "ops",
+ "pretty_env_logger",
 ]
 
+[[package]]
+name = "redox_syscall"
+version = "0.2.16"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fb5a58c1855b4b6819d59012155603f0b22ad30cad752600aadfcb695265519a"
+dependencies = [
+ "bitflags 1.3.2",
+]
+
+[[package]]
+name = "regex"
+version = "1.12.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e10754a14b9137dd7b1e3e5b0493cc9171fdd105e0ab477f51b72e7f3ac0e276"
+dependencies = [
+ "aho-corasick",
+ "memchr",
+ "regex-automata",
+ "regex-syntax",
+]
+
+[[package]]
+name = "regex-automata"
+version = "0.4.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6e1dd4122fc1595e8162618945476892eefca7b88c52820e74af6262213cae8f"
+dependencies = [
+ "aho-corasick",
+ "memchr",
+ "regex-syntax",
+]
+
+[[package]]
+name = "regex-syntax"
+version = "0.8.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dc897dd8d9e8bd1ed8cdad82b5966c3e0ecae09fb1907d58efaa013543185d0a"
+
 [[package]]
 name = "rgb"
 version = "0.8.53"
@@ -786,6 +1150,54 @@ version = "1.0.22"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b39cdef0fa800fc44525c84ccb54a029961a8215f9619753635a9c0d2538d46d"
 
+[[package]]
+name = "scopeguard"
+version = "1.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "94143f37725109f92c262ed2cf5e59bce7498c01bcc1502d7b9afe439a4e9f49"
+
+[[package]]
+name = "serde"
+version = "1.0.228"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9a8e94ea7f378bd32cbbd37198a4a91436180c5bb472411e48b5ec2e2124ae9e"
+dependencies = [
+ "serde_core",
+]
+
+[[package]]
+name = "serde_core"
+version = "1.0.228"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "41d385c7d4ca58e59fc732af25c3983b67ac852c1a25000afe1175de458b67ad"
+dependencies = [
+ "serde_derive",
+]
+
+[[package]]
+name = "serde_derive"
+version = "1.0.228"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d540f220d3187173da220f885ab66608367b6574e925011a9353e4badda91d79"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "serde_json"
+version = "1.0.149"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "83fc039473c5595ace860d8c4fafa220ff474b3fc6bfdb4293327f1a37e94d86"
+dependencies = [
+ "itoa",
+ "memchr",
+ "serde",
+ "serde_core",
+ "zmij",
+]
+
 [[package]]
 name = "shlex"
 version = "1.3.0"
@@ -807,12 +1219,38 @@ dependencies = [
  "quote",
 ]
 
+[[package]]
+name = "slab"
+version = "0.4.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0c790de23124f9ab44544d7ac05d60440adc586479ce501c1d6d7da3cd8c9cf5"
+
 [[package]]
 name = "smallvec"
 version = "1.15.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "67b1b7a3b5fe4f1376887184045fcf45c69e92af734b7aaddc05fb777b6fbd03"
 
+[[package]]
+name = "socket2"
+version = "0.5.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e22376abed350d73dd1cd119b57ffccad95b4e585a7cda43e286245ce23c0678"
+dependencies = [
+ "libc",
+ "windows-sys 0.52.0",
+]
+
+[[package]]
+name = "socket2"
+version = "0.6.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3a766e1110788c36f4fa1c2b71b387a7815aa65f88ce0229841826633d93723e"
+dependencies = [
+ "libc",
+ "windows-sys 0.61.2",
+]
+
 [[package]]
 name = "stable_deref_trait"
 version = "1.2.1"
@@ -830,13 +1268,42 @@ dependencies = [
  "unicode-ident",
 ]
 
+[[package]]
+name = "termcolor"
+version = "1.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "06794f8f6c5c898b3275aebefa6b8a1cb24cd2c6c79397ab15774837a0bc5755"
+dependencies = [
+ "winapi-util",
+]
+
+[[package]]
+name = "thiserror"
+version = "1.0.69"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b6aaf5339b578ea85b50e080feb250a3e8ae8cfcdff9a461c9ec2904bc923f52"
+dependencies = [
+ "thiserror-impl 1.0.69",
+]
+
 [[package]]
 name = "thiserror"
 version = "2.0.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4288b5bcbc7920c07a1149a35cf9590a2aa808e0bc1eafaade0b80947865fbc4"
 dependencies = [
- "thiserror-impl",
+ "thiserror-impl 2.0.18",
+]
+
+[[package]]
+name = "thiserror-impl"
+version = "1.0.69"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4fee6c4efc90059e10f81e6d42c60a18f76588c3d74cb83a0b242a2b6c7504c1"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
 ]
 
 [[package]]
@@ -864,6 +1331,50 @@ dependencies = [
  "zune-jpeg",
 ]
 
+[[package]]
+name = "tokio"
+version = "1.52.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a91135f59b1cbf38c91e73cf3386fca9bb77915c45ce2771460c9d92f0f3d776"
+dependencies = [
+ "libc",
+ "mio",
+ "pin-project-lite",
+ "socket2 0.6.3",
+ "windows-sys 0.61.2",
+]
+
+[[package]]
+name = "tower-service"
+version = "0.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8df9b6e13f2d32c91b9bd719c00d1958837bc7dec474d94952798cc8e69eeec3"
+
+[[package]]
+name = "tracing"
+version = "0.1.44"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "63e71662fa4b2a2c3a26f570f037eb95bb1f85397f3cd8076caed2f026a6d100"
+dependencies = [
+ "pin-project-lite",
+ "tracing-core",
+]
+
+[[package]]
+name = "tracing-core"
+version = "0.1.36"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "db97caf9d906fbde555dd62fa95ddba9eecfd14cb388e4f491a66d74cd5fb79a"
+dependencies = [
+ "once_cell",
+]
+
+[[package]]
+name = "try-lock"
+version = "0.2.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e421abadd41a4225275504ea4d6566923418b7f05506fbc9c0fe86ba7396114b"
+
 [[package]]
 name = "unicode-ident"
 version = "1.0.24"
@@ -881,6 +1392,21 @@ dependencies = [
  "wasm-bindgen",
 ]
 
+[[package]]
+name = "want"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bfa7760aed19e106de2c7c0b581b509f2f25d3dacaf737cb82ac61bc6d760b0e"
+dependencies = [
+ "try-lock",
+]
+
+[[package]]
+name = "wasi"
+version = "0.11.1+wasi-snapshot-preview1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ccf3ec651a847eb01de73ccad15eb7d99f80485de043efb2f370cd654f4ea44b"
+
 [[package]]
 name = "wasip2"
 version = "1.0.2+wasi-0.2.9"
@@ -941,6 +1467,125 @@ version = "0.1.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a28ac98ddc8b9274cb41bb4d9d4d5c425b6020c50c46f25559911905610b4a88"
 
+[[package]]
+name = "winapi"
+version = "0.3.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5c839a674fcd7a98952e593242ea400abe93992746761e38641405d28b00f419"
+dependencies = [
+ "winapi-i686-pc-windows-gnu",
+ "winapi-x86_64-pc-windows-gnu",
+]
+
+[[package]]
+name = "winapi-i686-pc-windows-gnu"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
+
+[[package]]
+name = "winapi-util"
+version = "0.1.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c2a7b1c03c876122aa43f3020e6c3c3ee5c05081c9a00739faf7503aeba10d22"
+dependencies = [
+ "windows-sys 0.61.2",
+]
+
+[[package]]
+name = "winapi-x86_64-pc-windows-gnu"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
+
+[[package]]
+name = "windows-link"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f0805222e57f7521d6a62e36fa9163bc891acd422f971defe97d64e70d0a4fe5"
+
+[[package]]
+name = "windows-sys"
+version = "0.52.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "282be5f36a8ce781fad8c8ae18fa3f9beff57ec1b52cb3de0789201425d9a33d"
+dependencies = [
+ "windows-targets",
+]
+
+[[package]]
+name = "windows-sys"
+version = "0.61.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ae137229bcbd6cdf0f7b80a31df61766145077ddf49416a728b02cb3921ff3fc"
+dependencies = [
+ "windows-link",
+]
+
+[[package]]
+name = "windows-targets"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9b724f72796e036ab90c1021d4780d4d3d648aca59e491e6b98e725b84e99973"
+dependencies = [
+ "windows_aarch64_gnullvm",
+ "windows_aarch64_msvc",
+ "windows_i686_gnu",
+ "windows_i686_gnullvm",
+ "windows_i686_msvc",
+ "windows_x86_64_gnu",
+ "windows_x86_64_gnullvm",
+ "windows_x86_64_msvc",
+]
+
+[[package]]
+name = "windows_aarch64_gnullvm"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "32a4622180e7a0ec044bb555404c800bc9fd9ec262ec147edd5989ccd0c02cd3"
+
+[[package]]
+name = "windows_aarch64_msvc"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "09ec2a7bb152e2252b53fa7803150007879548bc709c039df7627cabbd05d469"
+
+[[package]]
+name = "windows_i686_gnu"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8e9b5ad5ab802e97eb8e295ac6720e509ee4c243f69d781394014ebfe8bbfa0b"
+
+[[package]]
+name = "windows_i686_gnullvm"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0eee52d38c090b3caa76c563b86c3a4bd71ef1a819287c19d586d7334ae8ed66"
+
+[[package]]
+name = "windows_i686_msvc"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "240948bc05c5e7c6dabba28bf89d89ffce3e303022809e73deaefe4f6ec56c66"
+
+[[package]]
+name = "windows_x86_64_gnu"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "147a5c80aabfbf0c7d901cb5895d1de30ef2907eb21fbbab29ca94c5b08b1a78"
+
+[[package]]
+name = "windows_x86_64_gnullvm"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "24d5b23dc417412679681396f2b49f3de8c1473deb516bd34410872eff51ed0d"
+
+[[package]]
+name = "windows_x86_64_msvc"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "589f6da84c646204747d1270a2a5661ea66ed1cced2631d546fdfb155959f9ec"
+
 [[package]]
 name = "wit-bindgen"
 version = "0.51.0"
@@ -973,6 +1618,12 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "zmij"
+version = "1.0.21"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b8848ee67ecc8aedbaf3e4122217aff892639231befc6a1b58d29fff4c2cabaa"
+
 [[package]]
 name = "zune-core"
 version = "0.5.1"
diff --git a/Cargo.toml b/Cargo.toml
index 5ff7910..1414d03 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -5,3 +5,6 @@ edition = "2024"
 
 [dependencies]
 image = "0.25.10"
+log = "0.4.29"
+ops = "0.6.0"
+pretty_env_logger = "0.5.0"
diff --git a/output.png b/output.png
new file mode 100644
index 0000000000000000000000000000000000000000..fdbd6927e17d062b21e38688b16f7248049d99e5
GIT binary patch
literal 1999
zcmeAS@N?(olHy`uVBq!ia0y~yU<5K58911L)MWvCLk0%+X`U{QAr*{o4=^uKiJW%q
z<Nxw^y(i8rFY-=amwS5~6lM0zo94BCo{_QAyPsv-v#OT0TW4Qg&&1T|pdi4(GF&OG
zN2^x<+rLO@-L6;vwMRLlVKABwM)SgGc`#Zg(z;%FB+n@OhV?(=dR2X3Ma|&p>gTe~
HDWM4fM>uw6

literal 0
HcmV?d00001

diff --git a/src/main.rs b/src/main.rs
index ffc0594..4718de6 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,7 +1,13 @@
+#![feature(core_float_math)]
+
+mod vec3;
+
+use crate::vec3::Vec3;
 use log::info;
 use pretty_env_logger;
 
 fn main() {
+    let v = Vec3::rgb(255., 0., 255.);
     pretty_env_logger::init();
 
     let image_width = 256;
@@ -12,16 +18,14 @@ fn main() {
     for j in 0..image_height {
         info!("{}\tScanlines remaining.", (image_height - j));
         for i in 0..image_width {
-            let r = i as f32 / (image_width - 1) as f32;
-            let g = j as f32 / (image_height - 1) as f32;
-            let b = 0.0;
-
-            let ir = (255.599 * r) as u8;
-            let ig = (255.599 * g) as u8;
-            let ib = (255.599 * b) as u8;
+            let rgb = Vec3::rgb(
+                i as f32 / (image_width - 1) as f32,
+                j as f32 / (image_height - 1) as f32,
+                0.0,
+            );
 
             let pixel = imgbuf.get_pixel_mut(i, j);
-            *pixel = image::Rgb([ir, ig, ib]);
+            *pixel = rgb.output();
         }
     }
 
diff --git a/src/vec3.rs b/src/vec3.rs
new file mode 100644
index 0000000..0579aff
--- /dev/null
+++ b/src/vec3.rs
@@ -0,0 +1,252 @@
+use core::f32::math::sqrt;
+use std::{
+    fmt::Display,
+    ops::{Add, AddAssign, Div, DivAssign, Mul, MulAssign, Neg, Sub, SubAssign},
+};
+
+pub struct Vec3 {
+    r: f32,
+    g: f32,
+    b: f32,
+}
+
+impl Vec3 {
+    pub fn rgb(r: f32, g: f32, b: f32) -> Vec3 {
+        return Self { r: r, g: g, b: b };
+    }
+    pub fn length(&self) -> f32 {
+        return sqrt(self.length_squared());
+    }
+
+    pub fn length_squared(&self) -> f32 {
+        return (self.r * self.r + self.g * self.g + self.b * self.b) as f32;
+    }
+
+    pub fn dot(self, other: Vec3) -> Vec3 {
+        Vec3 {
+            r: self.r * other.r,
+            g: self.g * other.g,
+            b: self.b * other.b,
+        }
+    }
+
+    pub fn cross(self, other: Vec3) -> Vec3 {
+        Vec3 {
+            r: self.g * other.b - self.b * other.g,
+            g: self.b * other.r - self.r * other.b,
+            b: self.r * other.g - self.g * other.r,
+        }
+    }
+
+    pub fn unit(mut self) {
+        self /= self.length();
+    }
+
+    pub fn output(self) -> image::Rgb<u8> {
+        let ir = (255.599 * self.r) as u8;
+        let ig = (255.599 * self.g) as u8;
+        let ib = (255.599 * self.b) as u8;
+
+        image::Rgb([ir, ig, ib])
+    }
+}
+
+impl Neg for Vec3 {
+    type Output = Self;
+
+    fn neg(self) -> Self::Output {
+        Self {
+            r: -self.r,
+            g: -self.g,
+            b: -self.b,
+        }
+    }
+}
+
+impl Add<Vec3> for Vec3 {
+    type Output = Self;
+
+    fn add(self, _rhs: Self) -> Self {
+        return Self {
+            r: self.r + _rhs.r,
+            g: self.g + _rhs.g,
+            b: self.b + _rhs.b,
+        };
+    }
+}
+
+impl Add<f32> for Vec3 {
+    type Output = Self;
+
+    fn add(self, f: f32) -> Self {
+        return Self {
+            r: self.r + f,
+            g: self.g + f,
+            b: self.b + f,
+        };
+    }
+}
+
+impl AddAssign<Vec3> for Vec3 {
+    fn add_assign(&mut self, other: Self) {
+        *self = Self {
+            r: self.r + other.r,
+            g: self.g + other.g,
+            b: self.b + other.b,
+        };
+    }
+}
+
+impl AddAssign<f32> for Vec3 {
+    fn add_assign(&mut self, f: f32) {
+        *self = Self {
+            r: self.r + f,
+            g: self.g + f,
+            b: self.b + f,
+        };
+    }
+}
+
+impl Sub<Vec3> for Vec3 {
+    type Output = Self;
+
+    fn sub(self, rhs: Self) -> Self {
+        return Self {
+            r: self.r - rhs.r,
+            g: self.g - rhs.g,
+            b: self.b - rhs.b,
+        };
+    }
+}
+
+impl Sub<f32> for Vec3 {
+    type Output = Self;
+
+    fn sub(self, f: f32) -> Self {
+        return Self {
+            r: self.r - f,
+            g: self.g - f,
+            b: self.b - f,
+        };
+    }
+}
+
+impl SubAssign<Vec3> for Vec3 {
+    fn sub_assign(&mut self, rhs: Self) {
+        *self = Self {
+            r: self.r - rhs.r,
+            g: self.g - rhs.g,
+            b: self.b - rhs.b,
+        };
+    }
+}
+
+impl SubAssign<f32> for Vec3 {
+    fn sub_assign(&mut self, f: f32) {
+        *self = Self {
+            r: self.r - f,
+            g: self.g - f,
+            b: self.b - f,
+        };
+    }
+}
+
+impl Mul<Vec3> for Vec3 {
+    type Output = Vec3;
+
+    fn mul(self, rhs: Self) -> Self::Output {
+        Self {
+            r: self.r * rhs.r,
+            g: self.g * rhs.g,
+            b: self.b * rhs.b,
+        }
+    }
+}
+
+impl Mul<f32> for Vec3 {
+    type Output = Self;
+
+    fn mul(self, f: f32) -> Self::Output {
+        Self {
+            r: self.r * f,
+            g: self.g * f,
+            b: self.b * f,
+        }
+    }
+}
+
+impl MulAssign<Vec3> for Vec3 {
+    fn mul_assign(&mut self, rhs: Self) {
+        *self = Self {
+            r: self.r * rhs.r,
+            g: self.g * rhs.g,
+            b: self.b * rhs.b,
+        };
+    }
+}
+
+impl MulAssign<f32> for Vec3 {
+    fn mul_assign(&mut self, f: f32) {
+        *self = Self {
+            r: self.r * f,
+            g: self.g * f,
+            b: self.b * f,
+        };
+    }
+}
+
+impl Div<Vec3> for Vec3 {
+    type Output = Self;
+
+    fn div(self, rhs: Self) -> Self::Output {
+        Self {
+            r: self.r / rhs.r,
+            g: self.g / rhs.g,
+            b: self.b / rhs.b,
+        }
+    }
+}
+
+impl Div<f32> for Vec3 {
+    type Output = Self;
+
+    fn div(self, f: f32) -> Self::Output {
+        Self {
+            r: self.r / f,
+            g: self.g / f,
+            b: self.b / f,
+        }
+    }
+}
+
+impl DivAssign<Vec3> for Vec3 {
+    fn div_assign(&mut self, rhs: Self) {
+        *self = Self {
+            r: self.r / rhs.r,
+            g: self.g / rhs.g,
+            b: self.b / rhs.b,
+        };
+    }
+}
+
+impl DivAssign<f32> for Vec3 {
+    fn div_assign(&mut self, f: f32) {
+        *self = Self {
+            r: self.r / f,
+            g: self.g / f,
+            b: self.b / f,
+        };
+    }
+}
+
+impl PartialEq for Vec3 {
+    fn eq(&self, other: &Self) -> bool {
+        self.r == other.r && self.g == other.g && self.b == other.b
+    }
+}
+
+impl Display for Vec3 {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        write!(f, "({}, {}, {})", self.r, self.g, self.b)
+    }
+}