Method draw_grid

native/shared/src/renderer/mod.rs:12681–12691

(&mut self, slices: i32, spacing: f64)

    }

    pub fn draw_grid(&mut self, slices: i32, spacing: f64) {
        let color = [0.5f32, 0.5, 0.5, 1.0];
        let spacing = spacing as f32;
        let half = slices as f32 * spacing / 2.0;

        for i in 0..=slices {
            let pos = -half + i as f32 * spacing;
            self.add_line_3d([-half, 0.0, pos], [half, 0.0, pos], color, 0.01);
            self.add_line_3d([pos, 0.0, -half], [pos, 0.0, half], color, 0.01);
        }
    }

    pub fn draw_ray(&mut self, origin_x: f64, origin_y: f64, origin_z: f64, dir_x: f64, dir_y: f64, dir_z: f64, r: f64, g: f64, b: f64, a: f64) {
        let color = Self::color_to_f32(r, g, b, a);