canvas/
canvas.rs

1use cafe::{CafeBuilder, Game, Color, Rect, Vec2, keyboard::Scancode};
2use cafe::render::render2D::Render2D;
3use cafe::render::{Render, Canvas};
4
5extern crate cafe;
6
7pub struct MyGame {
8    canvas: Canvas,
9    pos: Vec2,
10    time: f32
11}
12
13impl Game for MyGame {
14    type Render = Render2D;
15    fn new() -> Self {
16        let canvas = Canvas::new(160, 95).unwrap();
17        MyGame { canvas, pos: Vec2::new(0.0, 16.0), time: 0.0 }
18    }
19
20    fn run(&mut self, dt: f32, render: &mut Self::Render) -> bool {
21        let speed = 80.0 * dt;
22        self.time = self.time + (dt * 30.0);
23        if cafe::keyboard::is_down(Scancode::Left) {
24            self.pos -= Vec2::new(speed, 0.0);
25        }
26        else if cafe::keyboard::is_down(Scancode::Right) {
27            self.pos += Vec2::new(speed, 0.0);
28        }
29        render.begin();
30        render.set_clear_color(Color::black());
31        render.clear();
32
33        render.set_canvas(Some(&self.canvas));
34        render.clear();
35        render.draw_rect(&Rect::new(self.pos.x, self.pos.y, 32.0, 64.0));
36        // render.hello_triangle();
37        render.set_canvas(None);
38
39        render.blit(&self.canvas, None, 0.0, 0.0);
40        render.blit_rotate(&self.canvas, None, 32.0, 64.0, self.time); 
41        render.fill_circle(32.0, 64.0, 8.0);
42        render.hello_triangle();
43
44        render.end();
45        true
46    }
47}
48
49fn main() {
50    let mut cafe = CafeBuilder::new("Canvas", 640, 380)
51        .build::<MyGame>()
52        .unwrap();
53    cafe.run();
54}
canvas/canvas.rs

canvas/
canvas.rs
