bronku/cube
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

vec2

Browse source
This commit is contained in:
bronku 2026-02-15 23:06:29 +01:00
parent 91bcc8884f
commit 6f550065bd
1 changed files with 14 additions and 9 deletions
Download patch file Download diff file Expand all files Collapse all files

23
src/main.rs
View file

@ -3,16 +3,21 @@ use raylib::prelude::*;
const WINDOW_WIDTH: i32 = 640;
const WINDOW_HEIGHT: i32 = 480;
fn convert_coordinates(pos_x: f32, pos_y: f32) -> (i32, i32) {
struct Vec2 {
x: f32,
y: f32,
}
fn convert_coordinates(pos: Vec2) -> (i32, i32) {
return (
((WINDOW_WIDTH as f32) * ((pos_x + 1.0) / 2.0)) as i32,
((WINDOW_HEIGHT as f32) * ((pos_y + 1.0) / 2.0)) as i32,
((WINDOW_WIDTH as f32) * ((pos.x + 1.0) / 2.0)) as i32,
((WINDOW_HEIGHT as f32) * ((pos.y + 1.0) / 2.0)) as i32,
);
}
fn draw_point(d: &mut RaylibDrawHandle, pos_x: f32, pos_y: f32) {
fn draw_point(d: &mut RaylibDrawHandle, pos: Vec2) {
const POINT_SIZE: i32 = 3;
let (window_x, window_y) = convert_coordinates(pos_x, pos_y);
let (window_x, window_y) = convert_coordinates(pos);
d.draw_rectangle(window_x, window_y, POINT_SIZE, POINT_SIZE, Color::RED);
}
@ -22,10 +27,10 @@ fn main() {
while !rl.window_should_close() {
let mut d = rl.begin_drawing(&thread);
draw_point(&mut d, -0.5, -0.5);
draw_point(&mut d, 0.5, -0.5);
draw_point(&mut d, 0.5, 0.5);
draw_point(&mut d, -0.5, 0.5);
draw_point(&mut d, Vec2 { x: -0.5, y: -0.5 });
draw_point(&mut d, Vec2 { x: 0.5, y: -0.5 });
draw_point(&mut d, Vec2 { x: 0.5, y: 0.5 });
draw_point(&mut d, Vec2 { x: -0.5, y: 0.5 });
d.clear_background(Color::WHITE);
}