doukutsu-rs/src/frame.rs

46 lines
1.4 KiB
Rust

use crate::player::Player;
use crate::stage::Stage;
use crate::SharedGameState;
pub struct Frame {
pub x: isize,
pub y: isize,
pub wait: isize,
}
impl Frame {
pub fn update(&mut self, state: &SharedGameState, player: &Player, stage: &Stage) {
if (stage.map.width - 1) * 16 < state.canvas_size.0 as usize {
self.x = -(((state.canvas_size.0 as isize - ((stage.map.width - 1) * 16) as isize) * 0x200) / 2);
} else {
self.x += (player.target_x - (state.canvas_size.0 as isize * 0x200 / 2) - self.x) / self.wait;
if self.x < 0 {
self.x = 0;
}
let max_x = (((stage.map.width as isize - 1) * 16) - state.canvas_size.0 as isize) * 0x200;
if self.x > max_x {
self.x = max_x;
}
}
if (stage.map.height - 1) * 16 < state.canvas_size.1 as usize {
self.y = -(((state.canvas_size.1 as isize - ((stage.map.height - 1) * 16) as isize) * 0x200) / 2);
} else {
self.y += (player.target_y - (state.canvas_size.1 as isize * 0x200 / 2) - self.y) / self.wait;
if self.y < 0 {
self.y = 0;
}
let max_y = (((stage.map.height as isize - 1) * 16) - state.canvas_size.1 as isize) * 0x200;
if self.y > max_y {
self.y = max_y;
}
}
// todo quake
}
}