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36 lines
968 B
Rust

use wasm_bindgen::prelude::*;
use wasm_bindgen::JsCast;
mod drawing;
mod shapes;
use shapes::Point;
#[wasm_bindgen(start)]
pub fn start() {
let document = web_sys::window().unwrap().document().unwrap();
let canvas = document.get_element_by_id("canvas").unwrap();
let canvas: web_sys::HtmlCanvasElement = canvas
.dyn_into::<web_sys::HtmlCanvasElement>()
.map_err(|_| ())
.unwrap();
let context = canvas
.get_context("2d")
.unwrap()
.unwrap()
.dyn_into::<web_sys::CanvasRenderingContext2d>()
.unwrap();
context.begin_path();
drawing::draw_circle(Point {x: 75.0, y: 75.0}, 70.0, &context);
drawing::draw_circle(Point {x: 75.0, y: 75.0}, 35.0, &context);
drawing::draw_circle(Point {x: 60.0, y: 65.0}, 5.0, &context);
drawing::draw_line(Point {x: 0.0, y: 0.0}, Point {x: 150.0, y: 150.0}, &context);
drawing::draw_line(Point {x: 0.0, y: 150.0}, Point {x: 150.0, y: 0.0}, &context);
context.stroke();
}