CPU raytracer
This commit is contained in:
commit
f7bb65c07a
8 changed files with 995 additions and 0 deletions
3
.gitignore
vendored
Normal file
3
.gitignore
vendored
Normal file
|
|
@ -0,0 +1,3 @@
|
|||
|
||||
/target/
|
||||
**/*.rs.bk
|
||||
29
.vscode/launch.json
vendored
Normal file
29
.vscode/launch.json
vendored
Normal file
|
|
@ -0,0 +1,29 @@
|
|||
{
|
||||
// Use IntelliSense to learn about possible attributes.
|
||||
// Hover to view descriptions of existing attributes.
|
||||
// For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
|
||||
"version": "0.2.0",
|
||||
"configurations": [
|
||||
{
|
||||
"type": "lldb",
|
||||
"request": "launch",
|
||||
"name": "Debug",
|
||||
"cargo": {
|
||||
"args": [
|
||||
"build"
|
||||
],
|
||||
"filter": {
|
||||
"name": "rust_opengl",
|
||||
"kind": "bin"
|
||||
}
|
||||
},
|
||||
"linux": {
|
||||
"env": {
|
||||
"RUST_BACKTRACE": "1"
|
||||
}
|
||||
},
|
||||
"args": [],
|
||||
"cwd": "${workspaceRoot}"
|
||||
}
|
||||
]
|
||||
}
|
||||
15
.vscode/tasks.json
vendored
Normal file
15
.vscode/tasks.json
vendored
Normal file
|
|
@ -0,0 +1,15 @@
|
|||
{
|
||||
// See https://go.microsoft.com/fwlink/?LinkId=733558
|
||||
// for the documentation about the tasks.json format
|
||||
"version": "2.0.0",
|
||||
"tasks": [
|
||||
{
|
||||
"label": "Cargo run",
|
||||
"type": "shell",
|
||||
"command": "cargo run",
|
||||
"problemMatcher": [
|
||||
"$rustc"
|
||||
],
|
||||
}
|
||||
]
|
||||
}
|
||||
652
Cargo.lock
generated
Normal file
652
Cargo.lock
generated
Normal file
|
|
@ -0,0 +1,652 @@
|
|||
[[package]]
|
||||
name = "adler32"
|
||||
version = "1.0.3"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
|
||||
[[package]]
|
||||
name = "approx"
|
||||
version = "0.3.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
dependencies = [
|
||||
"num-traits 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "arrayvec"
|
||||
version = "0.4.10"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
dependencies = [
|
||||
"nodrop 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "autocfg"
|
||||
version = "0.1.2"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
|
||||
[[package]]
|
||||
name = "backtrace"
|
||||
version = "0.3.14"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
dependencies = [
|
||||
"autocfg 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"backtrace-sys 0.1.28 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"cfg-if 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"libc 0.2.50 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"rustc-demangle 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "backtrace-sys"
|
||||
version = "0.1.28"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
dependencies = [
|
||||
"cc 1.0.31 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"libc 0.2.50 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "bitflags"
|
||||
version = "0.7.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
|
||||
[[package]]
|
||||
name = "bitflags"
|
||||
version = "1.0.4"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
|
||||
[[package]]
|
||||
name = "byteorder"
|
||||
version = "1.3.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
|
||||
[[package]]
|
||||
name = "cc"
|
||||
version = "1.0.31"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
|
||||
[[package]]
|
||||
name = "cfg-if"
|
||||
version = "0.1.7"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
|
||||
[[package]]
|
||||
name = "cgmath"
|
||||
version = "0.17.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
dependencies = [
|
||||
"approx 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"num-traits 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"rand 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "cloudabi"
|
||||
version = "0.0.3"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
dependencies = [
|
||||
"bitflags 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "color_quant"
|
||||
version = "1.0.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
|
||||
[[package]]
|
||||
name = "crossbeam-deque"
|
||||
version = "0.2.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
dependencies = [
|
||||
"crossbeam-epoch 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"crossbeam-utils 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "crossbeam-epoch"
|
||||
version = "0.3.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
dependencies = [
|
||||
"arrayvec 0.4.10 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"cfg-if 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"crossbeam-utils 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"memoffset 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"nodrop 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"scopeguard 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "crossbeam-utils"
|
||||
version = "0.2.2"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
dependencies = [
|
||||
"cfg-if 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "deflate"
|
||||
version = "0.7.19"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
dependencies = [
|
||||
"adler32 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"byteorder 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "either"
|
||||
version = "1.5.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
|
||||
[[package]]
|
||||
name = "failure"
|
||||
version = "0.1.5"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
dependencies = [
|
||||
"backtrace 0.3.14 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"failure_derive 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "failure_derive"
|
||||
version = "0.1.5"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
dependencies = [
|
||||
"proc-macro2 0.4.27 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"quote 0.6.11 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"syn 0.15.29 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"synstructure 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "fuchsia-cprng"
|
||||
version = "0.1.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
|
||||
[[package]]
|
||||
name = "gif"
|
||||
version = "0.10.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
dependencies = [
|
||||
"color_quant 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"lzw 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "image"
|
||||
version = "0.20.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
dependencies = [
|
||||
"byteorder 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"gif 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"jpeg-decoder 0.1.15 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"lzw 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"num-iter 0.1.37 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"num-rational 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"num-traits 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"png 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"scoped_threadpool 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"tiff 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "inflate"
|
||||
version = "0.4.5"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
dependencies = [
|
||||
"adler32 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "jpeg-decoder"
|
||||
version = "0.1.15"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
dependencies = [
|
||||
"byteorder 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"rayon 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "lazy_static"
|
||||
version = "0.2.11"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
|
||||
[[package]]
|
||||
name = "lazy_static"
|
||||
version = "1.3.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
|
||||
[[package]]
|
||||
name = "libc"
|
||||
version = "0.2.50"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
|
||||
[[package]]
|
||||
name = "lzw"
|
||||
version = "0.10.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
|
||||
[[package]]
|
||||
name = "memoffset"
|
||||
version = "0.2.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
|
||||
[[package]]
|
||||
name = "nodrop"
|
||||
version = "0.1.13"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
|
||||
[[package]]
|
||||
name = "num"
|
||||
version = "0.1.42"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
dependencies = [
|
||||
"num-integer 0.1.39 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"num-iter 0.1.37 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"num-traits 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "num-derive"
|
||||
version = "0.2.4"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
dependencies = [
|
||||
"proc-macro2 0.4.27 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"quote 0.6.11 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"syn 0.15.29 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "num-integer"
|
||||
version = "0.1.39"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
dependencies = [
|
||||
"num-traits 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "num-iter"
|
||||
version = "0.1.37"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
dependencies = [
|
||||
"num-integer 0.1.39 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"num-traits 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "num-rational"
|
||||
version = "0.2.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
dependencies = [
|
||||
"num-integer 0.1.39 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"num-traits 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "num-traits"
|
||||
version = "0.2.6"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
|
||||
[[package]]
|
||||
name = "num_cpus"
|
||||
version = "1.10.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
dependencies = [
|
||||
"libc 0.2.50 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "png"
|
||||
version = "0.12.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
dependencies = [
|
||||
"bitflags 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"deflate 0.7.19 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"inflate 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"num-iter 0.1.37 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "proc-macro2"
|
||||
version = "0.4.27"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
dependencies = [
|
||||
"unicode-xid 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "quote"
|
||||
version = "0.6.11"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
dependencies = [
|
||||
"proc-macro2 0.4.27 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "rand"
|
||||
version = "0.3.23"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
dependencies = [
|
||||
"libc 0.2.50 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"rand 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "rand"
|
||||
version = "0.4.6"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
dependencies = [
|
||||
"fuchsia-cprng 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"libc 0.2.50 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"rand_core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"rdrand 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "rand"
|
||||
version = "0.6.5"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
dependencies = [
|
||||
"autocfg 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"libc 0.2.50 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"rand_chacha 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"rand_core 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"rand_hc 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"rand_isaac 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"rand_jitter 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"rand_os 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"rand_pcg 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"rand_xorshift 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "rand_chacha"
|
||||
version = "0.1.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
dependencies = [
|
||||
"autocfg 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"rand_core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "rand_core"
|
||||
version = "0.3.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
dependencies = [
|
||||
"rand_core 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "rand_core"
|
||||
version = "0.4.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
|
||||
[[package]]
|
||||
name = "rand_hc"
|
||||
version = "0.1.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
dependencies = [
|
||||
"rand_core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "rand_isaac"
|
||||
version = "0.1.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
dependencies = [
|
||||
"rand_core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "rand_jitter"
|
||||
version = "0.1.3"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
dependencies = [
|
||||
"libc 0.2.50 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"rand_core 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "rand_os"
|
||||
version = "0.1.3"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
dependencies = [
|
||||
"cloudabi 0.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"fuchsia-cprng 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"libc 0.2.50 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"rand_core 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"rdrand 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "rand_pcg"
|
||||
version = "0.1.2"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
dependencies = [
|
||||
"autocfg 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"rand_core 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "rand_xorshift"
|
||||
version = "0.1.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
dependencies = [
|
||||
"rand_core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "rayon"
|
||||
version = "1.0.3"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
dependencies = [
|
||||
"crossbeam-deque 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"either 1.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"rayon-core 1.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "rayon-core"
|
||||
version = "1.4.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
dependencies = [
|
||||
"crossbeam-deque 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"libc 0.2.50 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"num_cpus 1.10.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "rdrand"
|
||||
version = "0.4.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
dependencies = [
|
||||
"rand_core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "rust_opengl"
|
||||
version = "0.1.0"
|
||||
dependencies = [
|
||||
"cgmath 0.17.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"image 0.20.1 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"sdl2 0.30.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"utilities 0.1.0",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "rustc-demangle"
|
||||
version = "0.1.13"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
|
||||
[[package]]
|
||||
name = "scoped_threadpool"
|
||||
version = "0.1.9"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
|
||||
[[package]]
|
||||
name = "scopeguard"
|
||||
version = "0.3.3"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
|
||||
[[package]]
|
||||
name = "sdl2"
|
||||
version = "0.30.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
dependencies = [
|
||||
"bitflags 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"lazy_static 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"libc 0.2.50 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"num 0.1.42 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"rand 0.3.23 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"sdl2-sys 0.30.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "sdl2-sys"
|
||||
version = "0.30.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
dependencies = [
|
||||
"libc 0.2.50 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "syn"
|
||||
version = "0.15.29"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
dependencies = [
|
||||
"proc-macro2 0.4.27 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"quote 0.6.11 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"unicode-xid 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "synstructure"
|
||||
version = "0.10.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
dependencies = [
|
||||
"proc-macro2 0.4.27 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"quote 0.6.11 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"syn 0.15.29 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"unicode-xid 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "tiff"
|
||||
version = "0.2.2"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
dependencies = [
|
||||
"byteorder 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"lzw 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"num-derive 0.2.4 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"num-traits 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "unicode-xid"
|
||||
version = "0.1.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
|
||||
[[package]]
|
||||
name = "utilities"
|
||||
version = "0.1.0"
|
||||
dependencies = [
|
||||
"cgmath 0.17.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"failure 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"rand 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "winapi"
|
||||
version = "0.3.6"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
dependencies = [
|
||||
"winapi-i686-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"winapi-x86_64-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "winapi-i686-pc-windows-gnu"
|
||||
version = "0.4.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
|
||||
[[package]]
|
||||
name = "winapi-x86_64-pc-windows-gnu"
|
||||
version = "0.4.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
|
||||
[metadata]
|
||||
"checksum adler32 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)" = "7e522997b529f05601e05166c07ed17789691f562762c7f3b987263d2dedee5c"
|
||||
"checksum approx 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "3c57ff1a5b00753647aebbbcf4ea67fa1e711a65ea7a30eb90dbf07de2485aee"
|
||||
"checksum arrayvec 0.4.10 (registry+https://github.com/rust-lang/crates.io-index)" = "92c7fb76bc8826a8b33b4ee5bb07a247a81e76764ab4d55e8f73e3a4d8808c71"
|
||||
"checksum autocfg 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "a6d640bee2da49f60a4068a7fae53acde8982514ab7bae8b8cea9e88cbcfd799"
|
||||
"checksum backtrace 0.3.14 (registry+https://github.com/rust-lang/crates.io-index)" = "cd5a90e2b463010cd0e0ce9a11d4a9d5d58d9f41d4a6ba3dcaf9e68b466e88b4"
|
||||
"checksum backtrace-sys 0.1.28 (registry+https://github.com/rust-lang/crates.io-index)" = "797c830ac25ccc92a7f8a7b9862bde440715531514594a6154e3d4a54dd769b6"
|
||||
"checksum bitflags 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "aad18937a628ec6abcd26d1489012cc0e18c21798210f491af69ded9b881106d"
|
||||
"checksum bitflags 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)" = "228047a76f468627ca71776ecdebd732a3423081fcf5125585bcd7c49886ce12"
|
||||
"checksum byteorder 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "a019b10a2a7cdeb292db131fc8113e57ea2a908f6e7894b0c3c671893b65dbeb"
|
||||
"checksum cc 1.0.31 (registry+https://github.com/rust-lang/crates.io-index)" = "c9ce8bb087aacff865633f0bd5aeaed910fe2fe55b55f4739527f2e023a2e53d"
|
||||
"checksum cfg-if 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)" = "11d43355396e872eefb45ce6342e4374ed7bc2b3a502d1b28e36d6e23c05d1f4"
|
||||
"checksum cgmath 0.17.0 (registry+https://github.com/rust-lang/crates.io-index)" = "283944cdecc44bf0b8dd010ec9af888d3b4f142844fdbe026c20ef68148d6fe7"
|
||||
"checksum cloudabi 0.0.3 (registry+https://github.com/rust-lang/crates.io-index)" = "ddfc5b9aa5d4507acaf872de71051dfd0e309860e88966e1051e462a077aac4f"
|
||||
"checksum color_quant 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "0dbbb57365263e881e805dc77d94697c9118fd94d8da011240555aa7b23445bd"
|
||||
"checksum crossbeam-deque 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "f739f8c5363aca78cfb059edf753d8f0d36908c348f3d8d1503f03d8b75d9cf3"
|
||||
"checksum crossbeam-epoch 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "927121f5407de9956180ff5e936fe3cf4324279280001cd56b669d28ee7e9150"
|
||||
"checksum crossbeam-utils 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "2760899e32a1d58d5abb31129f8fae5de75220bc2176e77ff7c627ae45c918d9"
|
||||
"checksum deflate 0.7.19 (registry+https://github.com/rust-lang/crates.io-index)" = "8a6abb26e16e8d419b5c78662aa9f82857c2386a073da266840e474d5055ec86"
|
||||
"checksum either 1.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "c67353c641dc847124ea1902d69bd753dee9bb3beff9aa3662ecf86c971d1fac"
|
||||
"checksum failure 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "795bd83d3abeb9220f257e597aa0080a508b27533824adf336529648f6abf7e2"
|
||||
"checksum failure_derive 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "ea1063915fd7ef4309e222a5a07cf9c319fb9c7836b1f89b85458672dbb127e1"
|
||||
"checksum fuchsia-cprng 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "a06f77d526c1a601b7c4cdd98f54b5eaabffc14d5f2f0296febdc7f357c6d3ba"
|
||||
"checksum gif 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)" = "dd4bca55ac1f213920ce3527ccd62386f1f15fa3f1714aeee1cf93f2c416903f"
|
||||
"checksum image 0.20.1 (registry+https://github.com/rust-lang/crates.io-index)" = "44665b4395d1844c96e7dc8ed5754782a1cdfd9ef458a80bbe45702681450504"
|
||||
"checksum inflate 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)" = "1cdb29978cc5797bd8dcc8e5bf7de604891df2a8dc576973d71a281e916db2ff"
|
||||
"checksum jpeg-decoder 0.1.15 (registry+https://github.com/rust-lang/crates.io-index)" = "c8b7d43206b34b3f94ea9445174bda196e772049b9bddbc620c9d29b2d20110d"
|
||||
"checksum lazy_static 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)" = "76f033c7ad61445c5b347c7382dd1237847eb1bce590fe50365dcb33d546be73"
|
||||
"checksum lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "bc5729f27f159ddd61f4df6228e827e86643d4d3e7c32183cb30a1c08f604a14"
|
||||
"checksum libc 0.2.50 (registry+https://github.com/rust-lang/crates.io-index)" = "aab692d7759f5cd8c859e169db98ae5b52c924add2af5fbbca11d12fefb567c1"
|
||||
"checksum lzw 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)" = "7d947cbb889ed21c2a84be6ffbaebf5b4e0f4340638cba0444907e38b56be084"
|
||||
"checksum memoffset 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "0f9dc261e2b62d7a622bf416ea3c5245cdd5d9a7fcc428c0d06804dfce1775b3"
|
||||
"checksum nodrop 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)" = "2f9667ddcc6cc8a43afc9b7917599d7216aa09c463919ea32c59ed6cac8bc945"
|
||||
"checksum num 0.1.42 (registry+https://github.com/rust-lang/crates.io-index)" = "4703ad64153382334aa8db57c637364c322d3372e097840c72000dabdcf6156e"
|
||||
"checksum num-derive 0.2.4 (registry+https://github.com/rust-lang/crates.io-index)" = "d9fe8fcafd1b86a37ce8a1cfa15ae504817e0c8c2e7ad42767371461ac1d316d"
|
||||
"checksum num-integer 0.1.39 (registry+https://github.com/rust-lang/crates.io-index)" = "e83d528d2677f0518c570baf2b7abdcf0cd2d248860b68507bdcb3e91d4c0cea"
|
||||
"checksum num-iter 0.1.37 (registry+https://github.com/rust-lang/crates.io-index)" = "af3fdbbc3291a5464dc57b03860ec37ca6bf915ed6ee385e7c6c052c422b2124"
|
||||
"checksum num-rational 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "4e96f040177bb3da242b5b1ecf3f54b5d5af3efbbfb18608977a5d2767b22f10"
|
||||
"checksum num-traits 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)" = "0b3a5d7cc97d6d30d8b9bc8fa19bf45349ffe46241e8816f50f62f6d6aaabee1"
|
||||
"checksum num_cpus 1.10.0 (registry+https://github.com/rust-lang/crates.io-index)" = "1a23f0ed30a54abaa0c7e83b1d2d87ada7c3c23078d1d87815af3e3b6385fbba"
|
||||
"checksum png 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)" = "f54b9600d584d3b8a739e1662a595fab051329eff43f20e7d8cc22872962145b"
|
||||
"checksum proc-macro2 0.4.27 (registry+https://github.com/rust-lang/crates.io-index)" = "4d317f9caece796be1980837fd5cb3dfec5613ebdb04ad0956deea83ce168915"
|
||||
"checksum quote 0.6.11 (registry+https://github.com/rust-lang/crates.io-index)" = "cdd8e04bd9c52e0342b406469d494fcb033be4bdbe5c606016defbb1681411e1"
|
||||
"checksum rand 0.3.23 (registry+https://github.com/rust-lang/crates.io-index)" = "64ac302d8f83c0c1974bf758f6b041c6c8ada916fbb44a609158ca8b064cc76c"
|
||||
"checksum rand 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)" = "552840b97013b1a26992c11eac34bdd778e464601a4c2054b5f0bff7c6761293"
|
||||
"checksum rand 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)" = "6d71dacdc3c88c1fde3885a3be3fbab9f35724e6ce99467f7d9c5026132184ca"
|
||||
"checksum rand_chacha 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "556d3a1ca6600bfcbab7c7c91ccb085ac7fbbcd70e008a98742e7847f4f7bcef"
|
||||
"checksum rand_core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "7a6fdeb83b075e8266dcc8762c22776f6877a63111121f5f8c7411e5be7eed4b"
|
||||
"checksum rand_core 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "d0e7a549d590831370895ab7ba4ea0c1b6b011d106b5ff2da6eee112615e6dc0"
|
||||
"checksum rand_hc 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "7b40677c7be09ae76218dc623efbf7b18e34bced3f38883af07bb75630a21bc4"
|
||||
"checksum rand_isaac 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "ded997c9d5f13925be2a6fd7e66bf1872597f759fd9dd93513dd7e92e5a5ee08"
|
||||
"checksum rand_jitter 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "7b9ea758282efe12823e0d952ddb269d2e1897227e464919a554f2a03ef1b832"
|
||||
"checksum rand_os 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "7b75f676a1e053fc562eafbb47838d67c84801e38fc1ba459e8f180deabd5071"
|
||||
"checksum rand_pcg 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "abf9b09b01790cfe0364f52bf32995ea3c39f4d2dd011eac241d2914146d0b44"
|
||||
"checksum rand_xorshift 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "cbf7e9e623549b0e21f6e97cf8ecf247c1a8fd2e8a992ae265314300b2455d5c"
|
||||
"checksum rayon 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)" = "373814f27745b2686b350dd261bfd24576a6fb0e2c5919b3a2b6005f820b0473"
|
||||
"checksum rayon-core 1.4.1 (registry+https://github.com/rust-lang/crates.io-index)" = "b055d1e92aba6877574d8fe604a63c8b5df60f60e5982bf7ccbb1338ea527356"
|
||||
"checksum rdrand 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "678054eb77286b51581ba43620cc911abf02758c91f93f479767aed0f90458b2"
|
||||
"checksum rustc-demangle 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)" = "adacaae16d02b6ec37fdc7acfcddf365978de76d1983d3ee22afc260e1ca9619"
|
||||
"checksum scoped_threadpool 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)" = "1d51f5df5af43ab3f1360b429fa5e0152ac5ce8c0bd6485cae490332e96846a8"
|
||||
"checksum scopeguard 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "94258f53601af11e6a49f722422f6e3425c52b06245a5cf9bc09908b174f5e27"
|
||||
"checksum sdl2 0.30.0 (registry+https://github.com/rust-lang/crates.io-index)" = "63066036ad426250ac56d23e38fd05063b38b661556acd596f4046cc92d98415"
|
||||
"checksum sdl2-sys 0.30.0 (registry+https://github.com/rust-lang/crates.io-index)" = "b48638b7882759f3421038fcd38ad5f1ea19b119d80c99f1601933004629e34d"
|
||||
"checksum syn 0.15.29 (registry+https://github.com/rust-lang/crates.io-index)" = "1825685f977249735d510a242a6727b46efe914bb67e38d30c071b1b72b1d5c2"
|
||||
"checksum synstructure 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)" = "73687139bf99285483c96ac0add482c3776528beac1d97d444f6e91f203a2015"
|
||||
"checksum tiff 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "1e4834f28a0330cb9f3f2c87d2649dca723cb33802e2bdcf18da32759fbec7ce"
|
||||
"checksum unicode-xid 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "fc72304796d0818e357ead4e000d19c9c174ab23dc11093ac919054d20a6a7fc"
|
||||
"checksum winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)" = "92c1eb33641e276cfa214a0522acad57be5c56b10cb348b3c5117db75f3ac4b0"
|
||||
"checksum winapi-i686-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
|
||||
"checksum winapi-x86_64-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
|
||||
11
Cargo.toml
Normal file
11
Cargo.toml
Normal file
|
|
@ -0,0 +1,11 @@
|
|||
[package]
|
||||
name = "rust_opengl"
|
||||
edition = "2018"
|
||||
version = "0.1.0"
|
||||
authors = ["hodasemi <michaelh.95@t-online.de>"]
|
||||
|
||||
[dependencies]
|
||||
sdl2 = "0.30"
|
||||
cgmath = "*"
|
||||
utilities = { path = "../../Gavania/utilities" }
|
||||
image = "*"
|
||||
BIN
raytrace.png
Normal file
BIN
raytrace.png
Normal file
Binary file not shown.
|
After Width: | Height: | Size: 4.1 KiB |
54
src/emi_codierung.rs
Normal file
54
src/emi_codierung.rs
Normal file
|
|
@ -0,0 +1,54 @@
|
|||
fn part(p_i: f32) -> f32 {
|
||||
p_i * p_i.log2()
|
||||
}
|
||||
|
||||
fn coded_length(table: &[(char, f32, &str, &str)], word: &str) -> u32 {
|
||||
let mut length_in_bit = 0;
|
||||
|
||||
for letter in word.chars() {
|
||||
let (_l, _p, _f, huffman_word) = table
|
||||
.iter()
|
||||
.find(|(t_letter, _p, _fano, _huffman)| letter == *t_letter)
|
||||
.expect("letter not found in table");
|
||||
|
||||
length_in_bit += huffman_word.len() as u32;
|
||||
}
|
||||
|
||||
length_in_bit
|
||||
}
|
||||
|
||||
pub fn emi_main() {
|
||||
// word, probability, fano, huffman
|
||||
|
||||
let values = [
|
||||
('V', 0.65, "0", "0"),
|
||||
('Z', 0.11, "100", "100"),
|
||||
('B', 0.05, "101", "1010"),
|
||||
('E', 0.05, "1100", "1011"),
|
||||
('T', 0.04, "1101", "1100"),
|
||||
('>', 0.04, "1110", "1101"),
|
||||
('<', 0.04, "11110", "1110"),
|
||||
('S', 0.02, "11110", "1111"),
|
||||
];
|
||||
|
||||
let mut h = 0.0;
|
||||
let mut huffman_l = 0.0;
|
||||
let mut fano_l = 0.0;
|
||||
|
||||
for (_name, probability, fano, huffman) in values.iter() {
|
||||
h -= part(*probability);
|
||||
huffman_l += *probability * huffman.len() as f32;
|
||||
fano_l += *probability * fano.len() as f32;
|
||||
}
|
||||
|
||||
let huffman_r = huffman_l - h;
|
||||
|
||||
println!("Entropie H = {}", h);
|
||||
println!("Mittlere Wortlänge L(Huffman) = {}", huffman_l);
|
||||
println!("Mittlere Wortlänge L(fano) = {}", fano_l);
|
||||
println!("Redundanz R(Huffman) = {}", huffman_r);
|
||||
|
||||
let code_length = coded_length(&values, "BVVVZVVVVVSSVVE");
|
||||
|
||||
println!("Length in Huffman = {}", code_length);
|
||||
}
|
||||
231
src/main.rs
Normal file
231
src/main.rs
Normal file
|
|
@ -0,0 +1,231 @@
|
|||
use cgmath::prelude::*;
|
||||
|
||||
use cgmath::{vec3, vec4, InnerSpace, Matrix4, Point3, Vector3};
|
||||
|
||||
use image::ImageBuffer;
|
||||
use utilities::prelude::*;
|
||||
|
||||
use std::f32::{consts::PI as M_PI, MAX};
|
||||
|
||||
struct Triangle {
|
||||
points: [Vector3<f32>; 3],
|
||||
}
|
||||
|
||||
impl Triangle {
|
||||
pub fn new(v0: Vector3<f32>, v1: Vector3<f32>, v2: Vector3<f32>) -> Triangle {
|
||||
Triangle {
|
||||
points: [v0, v1, v2],
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
struct View {
|
||||
position: Vector3<f32>,
|
||||
look_at: Vector3<f32>,
|
||||
fov: f32,
|
||||
}
|
||||
|
||||
fn main() {
|
||||
let input_data = [Triangle::new(
|
||||
vec3(0.0, 0.0, 0.0),
|
||||
vec3(1.0, 0.0, 0.0),
|
||||
vec3(1.0, 1.0, 0.0),
|
||||
)];
|
||||
|
||||
let view = View {
|
||||
position: vec3(0.0, -4.0, 4.0),
|
||||
look_at: vec3(0.0, 0.0, 0.0),
|
||||
fov: 45.0,
|
||||
};
|
||||
|
||||
let (origin, direction) = calculate_ray(640, 360, 1280, 720, &view);
|
||||
|
||||
let color = pixel_color(origin, direction, &input_data);
|
||||
|
||||
//debug_raytracer(1280, 720, &view, &input_data);
|
||||
}
|
||||
|
||||
fn f_to_u(color: f32) -> u8 {
|
||||
((color * 255.0) / 1.0) as u8
|
||||
}
|
||||
|
||||
fn calculate_ray(
|
||||
x: u32,
|
||||
y: u32,
|
||||
dim_x: u32,
|
||||
dim_y: u32,
|
||||
view: &View,
|
||||
) -> (Vector3<f32>, Vector3<f32>) {
|
||||
let aspect_ratio = dim_x as f32 / dim_y as f32;
|
||||
|
||||
let p_x = (2.0 * ((x as f32 + 0.5) / dim_x as f32) - 1.0)
|
||||
* (view.fov / 2.0 * M_PI / 180.0).tan()
|
||||
* aspect_ratio;
|
||||
let p_y = (1.0 - 2.0 * (((dim_y - y) as f32 + 0.5) / dim_y as f32))
|
||||
* (view.fov / 2.0 * M_PI / 180.0).tan();
|
||||
|
||||
let camera_to_world = Matrix4::look_at(
|
||||
Point3::from_vec(view.position),
|
||||
Point3::from_vec(view.look_at),
|
||||
vec3(0.0, 0.0, 1.0),
|
||||
)
|
||||
.inverse_transform()
|
||||
.unwrap();
|
||||
|
||||
let origin = camera_to_world * vec4(0.0, 0.0, 0.0, 1.0);
|
||||
let direction = camera_to_world * vec4(p_x, p_y, -1.0, 1.0);
|
||||
|
||||
(origin.truncate(), direction.truncate().normalize())
|
||||
}
|
||||
|
||||
fn debug_raytracer(dim_x: u32, dim_y: u32, view: &View, data: &[Triangle]) {
|
||||
let mut imgbuf = ImageBuffer::new(dim_x, dim_y);
|
||||
|
||||
for (x, y, pixel) in imgbuf.enumerate_pixels_mut() {
|
||||
let (origin, direction) = calculate_ray(x, y, dim_x, dim_y, view);
|
||||
|
||||
let color = pixel_color(origin, direction, data);
|
||||
|
||||
*pixel = image::Rgb([f_to_u(color.x), f_to_u(color.y), f_to_u(color.z)]);
|
||||
}
|
||||
|
||||
imgbuf.save("raytrace.png").unwrap();
|
||||
}
|
||||
|
||||
fn pixel_color(orig: Vector3<f32>, dir: Vector3<f32>, data: &[Triangle]) -> Vector3<f32> {
|
||||
let mut final_color = vec3(0.0, 1.0, 0.0);
|
||||
let mut closest_value = MAX;
|
||||
let mut closest_index = -1;
|
||||
|
||||
for i in 0..data.len() {
|
||||
let v0 = data[i].points[0];
|
||||
let v1 = data[i].points[1];
|
||||
let v2 = data[i].points[2];
|
||||
let mut t = 0.0;
|
||||
|
||||
if ray_triangle_intersect_naive(orig, dir, v0, v1, v2, &mut t) {
|
||||
if t < closest_value {
|
||||
closest_index = i as i32;
|
||||
closest_value = t;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if closest_index != -1 {
|
||||
final_color = vec3(1.0, 0.0, 0.0);
|
||||
}
|
||||
|
||||
return final_color;
|
||||
}
|
||||
|
||||
// source: https://www.scratchapixel.com/lessons/3d-basic-rendering/ray-tracing-rendering-a-triangle/moller-trumbore-ray-triangle-intersection
|
||||
fn ray_triangle_intersect_mt(
|
||||
orig: Vector3<f32>,
|
||||
dir: Vector3<f32>,
|
||||
v0: Vector3<f32>,
|
||||
v1: Vector3<f32>,
|
||||
v2: Vector3<f32>,
|
||||
t: &mut f32,
|
||||
) -> bool {
|
||||
let v0v1 = v1 - v0;
|
||||
let v0v2 = v2 - v0;
|
||||
let pvec = dir.cross(v0v2);
|
||||
let det = v0v1.dot(pvec);
|
||||
|
||||
// ray and triangle are parallel if det is close to 0
|
||||
if det.abs() < 0.001 {
|
||||
return false;
|
||||
}
|
||||
|
||||
let inv_det = 1.0 / det;
|
||||
|
||||
let tvec = orig - v0;
|
||||
let u = tvec.dot(pvec) * inv_det;
|
||||
|
||||
if u < 0.0 || u > 1.0 {
|
||||
return false;
|
||||
}
|
||||
|
||||
let qvec = tvec.cross(v0v1);
|
||||
let v = dir.dot(qvec) * inv_det;
|
||||
|
||||
if v < 0.0 || u + v > 1.0 {
|
||||
return false;
|
||||
}
|
||||
|
||||
*t = v0v2.dot(qvec) * inv_det;
|
||||
|
||||
true
|
||||
}
|
||||
|
||||
fn ray_triangle_intersect_naive(
|
||||
orig: Vector3<f32>,
|
||||
dir: Vector3<f32>,
|
||||
v0: Vector3<f32>,
|
||||
v1: Vector3<f32>,
|
||||
v2: Vector3<f32>,
|
||||
t: &mut f32,
|
||||
) -> bool {
|
||||
// compute plane's normal
|
||||
let v0v1 = v1 - v0;
|
||||
let v0v2 = v2 - v0;
|
||||
// no need to normalize
|
||||
let N = v0v1.cross(v0v2);
|
||||
let area2 = N.magnitude();
|
||||
|
||||
// Step 1: finding P
|
||||
|
||||
// check if ray and plane are parallel ?
|
||||
let NdotRayDirection = N.dot(dir);
|
||||
if NdotRayDirection.abs() < 0.001
|
||||
// almost 0
|
||||
{
|
||||
return false;
|
||||
} // they are parallel so they don't intersect !
|
||||
|
||||
// compute d parameter using equation 2
|
||||
let d = N.dot(v0);
|
||||
|
||||
// compute t (equation 3)
|
||||
*t = (N.dot(orig) + d) / NdotRayDirection;
|
||||
|
||||
// check if the triangle is in behind the ray
|
||||
if *t < 0.0 {
|
||||
return false;
|
||||
} // the triangle is behind
|
||||
|
||||
// compute the intersection point using equation 1
|
||||
let P = orig + *t * dir;
|
||||
|
||||
// Step 2: inside-outside test
|
||||
let mut C; // vector perpendicular to triangle's plane
|
||||
|
||||
// edge 0
|
||||
let edge0 = v1 - v0;
|
||||
let vp0 = P - v0;
|
||||
|
||||
C = edge0.cross(vp0);
|
||||
if N.dot(C) < 0.0 {
|
||||
return false;
|
||||
} // P is on the right side
|
||||
|
||||
// edge 1
|
||||
let edge1 = v2 - v1;
|
||||
let vp1 = P - v1;
|
||||
|
||||
C = edge1.cross(vp1);
|
||||
if N.dot(C) < 0.0 {
|
||||
return false;
|
||||
} // P is on the right side
|
||||
|
||||
// edge 2
|
||||
let edge2 = v0 - v2;
|
||||
let vp2 = P - v2;
|
||||
|
||||
C = edge2.cross(vp2);
|
||||
if N.dot(C) < 0.0 {
|
||||
return false;
|
||||
} // P is on the right side;
|
||||
|
||||
true // this ray hits the triangle
|
||||
}
|
||||
Loading…
Reference in a new issue