83 lines
2.8 KiB
Rust
83 lines
2.8 KiB
Rust
use crate::player::Player;
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use crate::SharedGameState;
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use crate::stage::Stage;
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pub struct Frame {
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pub x: isize,
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pub y: isize,
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pub wait: isize,
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}
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impl Frame {
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pub fn immediate_update(&mut self, state: &mut SharedGameState, player: &Player, stage: &Stage) {
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if (stage.map.width - 1) * 16 < state.canvas_size.0 as usize {
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self.x = -(((state.canvas_size.0 as isize - ((stage.map.width - 1) * 16) as isize) * 0x200) / 2);
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} else {
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self.x = player.target_x - (state.canvas_size.0 as isize * 0x200 / 2);
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if self.x < 0 {
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self.x = 0;
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}
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let max_x = (((stage.map.width as isize - 1) * 16) - state.canvas_size.0 as isize) * 0x200;
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if self.x > max_x {
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self.x = max_x;
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}
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}
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if (stage.map.height - 1) * 16 < state.canvas_size.1 as usize {
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self.y = -(((state.canvas_size.1 as isize - ((stage.map.height - 1) * 16) as isize) * 0x200) / 2);
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} else {
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self.y = player.target_y - (state.canvas_size.1 as isize * 0x200 / 2);
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if self.y < 0 {
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self.y = 0;
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}
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let max_y = (((stage.map.height as isize - 1) * 16) - state.canvas_size.1 as isize) * 0x200;
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if self.y > max_y {
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self.y = max_y;
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}
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}
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}
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pub fn update(&mut self, state: &mut SharedGameState, player: &Player, stage: &Stage) {
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if (stage.map.width - 1) * 16 < state.canvas_size.0 as usize {
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self.x = -(((state.canvas_size.0 as isize - ((stage.map.width - 1) * 16) as isize) * 0x200) / 2);
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} else {
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self.x += (player.target_x - (state.canvas_size.0 as isize * 0x200 / 2) - self.x) / self.wait;
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if self.x < 0 {
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self.x = 0;
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}
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let max_x = (((stage.map.width as isize - 1) * 16) - state.canvas_size.0 as isize) * 0x200;
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if self.x > max_x {
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self.x = max_x;
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}
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}
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if (stage.map.height - 1) * 16 < state.canvas_size.1 as usize {
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self.y = -(((state.canvas_size.1 as isize - ((stage.map.height - 1) * 16) as isize) * 0x200) / 2);
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} else {
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self.y += (player.target_y - (state.canvas_size.1 as isize * 0x200 / 2) - self.y) / self.wait;
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if self.y < 0 {
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self.y = 0;
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}
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let max_y = (((stage.map.height as isize - 1) * 16) - state.canvas_size.1 as isize) * 0x200;
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if self.y > max_y {
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self.y = max_y;
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}
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}
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if state.quake_counter > 0 {
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state.quake_counter -= 1;
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self.x += state.effect_rng.range(-0x300..0x300) as isize;
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self.y += state.effect_rng.range(-0x300..0x300) as isize;
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}
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}
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}
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