gl-matrix's Introduction

gl-matrix

A Rust implementation of glMatrix

Quick Start

Getting started should be easy if you are already familiar with glMatrix and Rust. All functions have been re-named to be idiomatic Rust.

use gl_matrix::common::*;
use gl_matrix::{vec3, mat4};

let canvas_w = 800_f32; 
let canvas_h = 600_f32;
 
let mut world_matrix: Mat4 = [0.; 16];
let mut view_matrix: Mat4 = [0.; 16];
let mut proj_matrix: Mat4 = [0.; 16];

let eye = vec3::from_values(0., 0., -8.);
let center = vec3::from_values(0., 0., 0.); 
let up = vec3::from_values(0., 1., 0.);

mat4::identity(&mut world_matrix);
mat4::look_at(&mut view_matrix, &eye, &center, &up);
mat4::perspective(&mut proj_matrix, to_radian(45.), canvas_w / canvas_h, 0.1, Some(100.0));

Features

No std
Compiles to wasm
Familar syntax

Future work

Add support for f64 (Currently only f32)
Add support for forEach

Examples

Learning Rust WebGL

Usage

Add this to your Cargo.toml:

[dependencies]
gl_matrix = 0.0

Contributing

See CONTRIBUTING.md

License

gl-matrix is under the terms of the MIT license.

LICENSE

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gl-matrix's Issues

look_at is broken

failures:

---- mat4::tests::mat4_look_at stdout ----
thread 'mat4::tests::mat4_look_at' panicked at 'assertion failed: `(left == right)`
  left: `[0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0]`,
 right: `[0.0, NaN, 0.0, 0.0, 0.0, NaN, 1.0, 0.0, 0.0, NaN, 0.0, 0.0, -0.0, NaN, -0.0, 1.0]`', src/mat4.rs:2731:9
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace.


failures:
    mat4::tests::mat4_look_at

test result: FAILED. 318 passed; 1 failed; 9 ignored; 0 measured; 0 filtered out

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