Crate p5_sys

p5-sys crate(library) is bindings to p5.js for Rust/Wasm.

*** Nightly rustc is required ***

Currently,almost all global function works. The instance methods and properties don’t work. For example, vector.add() will not work. You are advised to use rust types for such tasks. Also functions that take arrays and modify them will not work.

The documentation is taken from p5.js reference and are not ported to rust yet.

Example

use p5::*;
 
pub struct State {
    x: f64,
}
 
#[wasm_bindgen]
pub fn setup() -> State {
    createCanvas(400., 400., RENDERER::Webgl);
    background(123., 234., 124.);
    return State {
        x: 10.,
    }
}
 
#[wasm_bindgen]
pub fn draw(state: &mut State) {
    state.x += 1;
    rect(state.x, 40., 100., 120.);
}

We don’t have mutable global variable in Rust, so we have to use state. setup creates the state. draw and other event handlers recieve a mutable reference to it, means that they can change it.

Re-exports

pub use global::*;
pub use types::*;
pub use constants::*;

Modules

constants
global
types

Structs

Closure	A handle to both a closure in Rust as well as JS closure which will invoke the Rust closure.
JsValue	Representation of an object owned by JS.

Traits

UnwrapThrowExt

An extension trait for Option<T> and Result<T, E> for unwraping the T value, or throwing a JS error if it is not available.

Attribute Macros

__wasm_bindgen_class_marker
wasm_bindgen