include "../include/microw8-api.cwa"

export fn upd() {
    cls(0);
    let i: i32;
    loop lines {
        let angle = i as f32 * (3.1415 / 25.0) + time() * 0.125;
        line(
            160 as f32, 120 as f32,
            160 as f32 + sin(angle) * 100 as f32,
            120 as f32 + cos(angle) * 100 as f32,
            47);
        branch_if (i := i + 1)  < 50: lines;
    }
}