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17 lines
440 B
Rust

use std::f64;
pub struct Point(pub f64, pub f64);
pub fn draw_circle(center: Point, radius: f64, context: &web_sys::CanvasRenderingContext2d) {
context.move_to(center.0+radius, center.1);
context
.arc(center.0, center.1, radius, 0.0, f64::consts::PI * 2.0)
.unwrap();
}
pub fn draw_line(p1: Point, p2: Point, context: &web_sys::CanvasRenderingContext2d) {
context.move_to(p1.0, p1.1);
context
.line_to(p2.0, p2.1);
}