draws a single steerable moving triangle
This commit is contained in:
Joe Ardent
commit
0ce6be4a5a
4 changed files with 353 additions and 0 deletions
1
.gitignore
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.gitignore
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/target
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272
Cargo.lock
generated
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272
Cargo.lock
generated
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@ -0,0 +1,272 @@
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# This file is automatically @generated by Cargo.
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# It is not intended for manual editing.
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version = 4
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[[package]]
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name = "adler2"
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[[package]]
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[[package]]
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[[package]]
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[[package]]
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||||||
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[[package]]
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[[package]]
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name = "cfg-if"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "color_quant"
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version = "1.1.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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dependencies = [
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"cfg-if",
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]
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[[package]]
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name = "equivalent"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "fdeflate"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"simd-adler32",
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]
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[[package]]
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name = "flate2"
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version = "1.1.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "4a3d7db9596fecd151c5f638c0ee5d5bd487b6e0ea232e5dc96d5250f6f94b1d"
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dependencies = [
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"crc32fast",
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"miniz_oxide",
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]
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[[package]]
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||||||
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name = "foldhash"
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version = "0.1.5"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "fontdue"
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version = "0.9.3"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "2e57e16b3fe8ff4364c0661fdaac543fb38b29ea9bc9c2f45612d90adf931d2b"
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dependencies = [
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"hashbrown",
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"ttf-parser",
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]
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[[package]]
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name = "glam"
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version = "0.27.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "9e05e7e6723e3455f4818c7b26e855439f7546cf617ef669d1adedb8669e5cb9"
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[[package]]
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name = "hashbrown"
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version = "0.15.5"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "9229cfe53dfd69f0609a49f65461bd93001ea1ef889cd5529dd176593f5338a1"
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dependencies = [
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"allocator-api2",
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"equivalent",
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"foldhash",
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]
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[[package]]
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name = "image"
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version = "0.24.9"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "5690139d2f55868e080017335e4b94cb7414274c74f1669c84fb5feba2c9f69d"
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dependencies = [
|
||||||
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"bytemuck",
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||||||
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"byteorder",
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||||||
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"color_quant",
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||||||
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"num-traits",
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||||||
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"png",
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]
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[[package]]
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||||||
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name = "joids"
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version = "0.1.0"
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dependencies = [
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"macroquad",
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]
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[[package]]
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name = "libc"
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version = "0.2.176"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "macroquad"
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version = "0.4.14"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "d2befbae373456143ef55aa93a73594d080adfb111dc32ec96a1123a3e4ff4ae"
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dependencies = [
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"fontdue",
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"glam",
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"image",
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||||||
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"macroquad_macro",
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"miniquad",
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"quad-rand",
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]
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[[package]]
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name = "macroquad_macro"
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version = "0.1.8"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "malloc_buf"
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version = "0.0.6"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"libc",
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]
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[[package]]
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name = "miniquad"
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version = "0.4.8"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "2fb3e758e46dbc45716a8a49ca9edc54b15bcca826277e80b1f690708f67f9e3"
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dependencies = [
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"libc",
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"ndk-sys",
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"objc-rs",
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"winapi",
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]
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[[package]]
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name = "miniz_oxide"
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version = "0.8.9"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "1fa76a2c86f704bdb222d66965fb3d63269ce38518b83cb0575fca855ebb6316"
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dependencies = [
|
||||||
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"adler2",
|
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"simd-adler32",
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]
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[[package]]
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name = "ndk-sys"
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version = "0.2.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "e1bcdd74c20ad5d95aacd60ef9ba40fdf77f767051040541df557b7a9b2a2121"
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[[package]]
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name = "num-traits"
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version = "0.2.19"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "071dfc062690e90b734c0b2273ce72ad0ffa95f0c74596bc250dcfd960262841"
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||||||
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dependencies = [
|
||||||
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"autocfg",
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]
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[[package]]
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name = "objc-rs"
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version = "0.2.8"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "64a1e7069a2525126bf12a9f1f7916835fafade384fb27cabf698e745e2a1eb8"
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dependencies = [
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"malloc_buf",
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]
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[[package]]
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name = "png"
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version = "0.17.16"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "82151a2fc869e011c153adc57cf2789ccb8d9906ce52c0b39a6b5697749d7526"
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dependencies = [
|
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"bitflags",
|
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"crc32fast",
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"fdeflate",
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"flate2",
|
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"miniz_oxide",
|
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]
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[[package]]
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name = "quad-rand"
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version = "0.2.3"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "5a651516ddc9168ebd67b24afd085a718be02f8858fe406591b013d101ce2f40"
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[[package]]
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name = "simd-adler32"
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version = "0.3.7"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "d66dc143e6b11c1eddc06d5c423cfc97062865baf299914ab64caa38182078fe"
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[[package]]
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name = "ttf-parser"
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version = "0.21.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "2c591d83f69777866b9126b24c6dd9a18351f177e49d625920d19f989fd31cf8"
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[[package]]
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name = "winapi"
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version = "0.3.9"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "5c839a674fcd7a98952e593242ea400abe93992746761e38641405d28b00f419"
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dependencies = [
|
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"winapi-i686-pc-windows-gnu",
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"winapi-x86_64-pc-windows-gnu",
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]
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[[package]]
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name = "winapi-i686-pc-windows-gnu"
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version = "0.4.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
|
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[[package]]
|
||||||
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name = "winapi-x86_64-pc-windows-gnu"
|
||||||
|
version = "0.4.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
|
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7
Cargo.toml
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7
Cargo.toml
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@ -0,0 +1,7 @@
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[package]
|
||||||
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name = "joids"
|
||||||
|
version = "0.1.0"
|
||||||
|
edition = "2024"
|
||||||
|
|
||||||
|
[dependencies]
|
||||||
|
macroquad = "0.4"
|
||||||
73
src/main.rs
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73
src/main.rs
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|
|
@ -0,0 +1,73 @@
|
||||||
|
use macroquad::prelude::*;
|
||||||
|
|
||||||
|
const JOID_LEN: f32 = 50.;
|
||||||
|
const JOID_WIDTH: f32 = 30.;
|
||||||
|
|
||||||
|
#[derive(Debug, Default, Clone)]
|
||||||
|
struct Joid {
|
||||||
|
pub pos: Vec2,
|
||||||
|
pub speed: f32,
|
||||||
|
pub rot: f32,
|
||||||
|
pub id: u32,
|
||||||
|
}
|
||||||
|
|
||||||
|
impl Joid {
|
||||||
|
pub fn tpoints(&self) -> (Vec2, Vec2, Vec2) {
|
||||||
|
let nose = Vec2::NEG_Y * (JOID_LEN * 0.5);
|
||||||
|
let left = Vec2::Y * JOID_LEN * 0.5 + Vec2::NEG_X * JOID_WIDTH * 0.5;
|
||||||
|
let right = Vec2::Y * JOID_LEN * 0.5 + Vec2::X * JOID_WIDTH * 0.5;
|
||||||
|
let rot = Mat2::from_angle(self.rot.to_radians());
|
||||||
|
(
|
||||||
|
self.pos + (rot * nose),
|
||||||
|
self.pos + (rot * left),
|
||||||
|
self.pos + (rot * right),
|
||||||
|
)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
#[macroquad::main("joe's boids")]
|
||||||
|
async fn main() {
|
||||||
|
let mut joid = Joid::default();
|
||||||
|
|
||||||
|
let x = screen_width() / 2.0;
|
||||||
|
let y = screen_height() / 2.0;
|
||||||
|
joid.pos = Vec2::new(x, y);
|
||||||
|
|
||||||
|
loop {
|
||||||
|
let mut rot = joid.rot;
|
||||||
|
if is_key_down(KeyCode::Left) {
|
||||||
|
rot -= 2.0;
|
||||||
|
if rot < 0.0 {
|
||||||
|
rot += 360.0;
|
||||||
|
}
|
||||||
|
joid.rot = rot;
|
||||||
|
}
|
||||||
|
if is_key_down(KeyCode::Right) {
|
||||||
|
rot += 2.0;
|
||||||
|
joid.rot = rot % 360.0;
|
||||||
|
}
|
||||||
|
|
||||||
|
if is_key_down(KeyCode::Up) {
|
||||||
|
let speed = (joid.speed + 0.5).min(10.0);
|
||||||
|
joid.speed = speed;
|
||||||
|
}
|
||||||
|
|
||||||
|
if is_key_down(KeyCode::Down) {
|
||||||
|
let speed = (joid.speed - 0.5).max(0.0);
|
||||||
|
joid.speed = speed;
|
||||||
|
}
|
||||||
|
|
||||||
|
if is_key_down(KeyCode::Escape) {
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
|
let (nose, left, right) = joid.tpoints();
|
||||||
|
|
||||||
|
draw_triangle(nose, left, right, Color::from_hex(0xffffff));
|
||||||
|
let acc = (nose - joid.pos).normalize() * joid.speed;
|
||||||
|
|
||||||
|
joid.pos += acc;
|
||||||
|
|
||||||
|
next_frame().await;
|
||||||
|
}
|
||||||
|
}
|
||||||
Loading…
Reference in a new issue