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use crate::{Config, Input, sim::board::Board};
pub fn create_compute_combined_overlay_offset(
board: &Board,
config: &Config,
input: &Input,
) -> impl Fn(i32, i32) -> (u8, u8, u8, u8) {
|x: i32, y: i32| {
// could allow negative offsets too
let mut offset: (u8, u8, u8, u8) = (0x00, 0x00, 0x00, 0x00);
// bounds
// left
let xl = -((board.size_x / 2 + 1) as i32);
// right
let xu = (board.size_x / 2 + 1) as i32;
// bottom
let yl = -((board.size_y / 2 + 1) as i32);
// top
let yu = (board.size_y / 2 + 1) as i32;
if ((x == xl || x == xu) && (y <= yu && y >= yl))
|| (y == yl || y == yu) && (x <= xu && x >= xl)
{
offset.0 = offset.0.saturating_add(0xFF);
offset.1 = offset.1.saturating_add(0xFF);
offset.2 = offset.2.saturating_add(0xFF);
}
// grid
if x % 30 == 0 || y % 30 == 0 {
offset.0 = offset.0.saturating_add(0x10);
offset.1 = offset.1.saturating_add(0x10);
offset.2 = offset.2.saturating_add(0x10);
}
// brush/selection
if (((x - input.last_mouse_pos_on_board.0).pow(2)
+ (y - input.last_mouse_pos_on_board.1).pow(2)) as f32)
.sqrt()
< config.brush_size as f32
{
offset.0 = offset.0.saturating_add(0xAA);
offset.1 = offset.1.saturating_add(0x00);
offset.2 = offset.2.saturating_add(0xAA);
}
return offset;
}
}
|