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feat: direction propagation, change direction at precise times

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Xevion
2023-09-09 21:10:41 -05:00
parent 0120abe806
commit 422535c00d
3 changed files with 24 additions and 7 deletions
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22
src/pacman.rs
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@@ -3,12 +3,13 @@ use sdl2::{
video::Window,
};
use crate::{animation::AnimatedTexture, direction::Direction, entity::Entity};
use crate::{animation::AnimatedTexture, direction::Direction, entity::Entity, constants::CELL_SIZE};
pub struct Pacman<'a> {
// Absolute position on the board (precise)
pub position: (i32, i32),
pub direction: Direction,
pub next_direction: Option<Direction>,
speed: u32,
sprite: AnimatedTexture<'a>,
}
@@ -18,8 +19,9 @@ impl Pacman<'_> {
Pacman {
position: starting_position.unwrap_or((0i32, 0i32)),
direction: Direction::Right,
next_direction: None,
speed: 2,
sprite: AnimatedTexture::new(atlas, 4, 3, 32, 32),
sprite: AnimatedTexture::new(atlas, 4, 3, 32, 32, Some((-4, -4))),
}
}
@@ -41,10 +43,24 @@ impl Entity for Pacman<'_> {
fn cell_position(&self) -> (u32, u32) {
let (x, y) = self.position();
(x as u32 / 24, y as u32 / 24)
(x as u32 / CELL_SIZE, y as u32 / CELL_SIZE)
}
fn internal_position(&self) -> (u32, u32) {
let (x, y) = self.position();
(x as u32 % CELL_SIZE, y as u32 % CELL_SIZE)
}
fn tick(&mut self) {
let can_change = self.internal_position() == (0, 0);
println!("{:?} ({:?})", self.internal_position(), can_change);
if can_change {
if let Some(direction) = self.next_direction {
self.direction = direction;
self.next_direction = None;
}
}
let speed = self.speed as i32;
match self.direction {
Direction::Right => {