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2018-09-15 23:28:15 -07:00
# 2D Canvas
This example draws a triangle to the screen using the WebGL API.
[See the full source at
`wasm-bindgen/examples/webgl`.](https://github.com/rustwasm/wasm-bindgen/tree/master/examples/webgl)
## `Cargo.toml`
The `Cargo.toml` enables features necessary to obtain and use a WebGL
rendering context.
```toml
{{#include ../../../../examples/webgl/Cargo.toml}}
```
## `src/lib.rs`
This source file handles all of the necessary logic to obtain a rendering
context, compile shaders, fill a buffer with vertex coordinates, and draw a
triangle to the screen.
```rust
{{#include ../../../../examples/webgl/src/lib.rs}}
```