Files
eskin-player/src/breakout.rs

656 lines
21 KiB
Rust

use eframe::egui;
use crate::style::{self, ACCENT_BLUE, ACCENT_GREEN, ACCENT_ORANGE, ACCENT_RED, ONE_DARK_PRO};
const BRICK_ROWS: usize = 7;
const BRICK_COLS: usize = 12;
const PADDLE_W: f32 = 0.24;
const PADDLE_H: f32 = 0.030;
const PADDLE_Y: f32 = 0.88;
const PADDLE_SPEED: f32 = 0.92;
const BALL_RADIUS: f32 = 0.010;
const BALL_SPEED: f32 = 0.52;
const MAX_BALL_SPEED: f32 = 0.86;
const PRESSURE_RANGE_MIN: f32 = 0.0;
const PRESSURE_RANGE_MAX: f32 = 7000.0;
const PAUSE_COOLDOWN: f64 = 0.64;
#[derive(Clone, Copy, PartialEq, Eq)]
enum BreakoutPhase {
Idle,
Running,
Paused,
Won,
Over,
}
struct Brick {
rect: egui::Rect,
alive: bool,
flash: f32,
}
#[derive(Default, Clone, Copy)]
pub struct BreakoutControl {
pub axis: f32,
pub top_force: f32,
pub left_force: f32,
pub right_force: f32,
}
pub struct BreakoutGame {
phase: BreakoutPhase,
bricks: Vec<Brick>,
paddle_x: f32,
ball_pos: egui::Pos2,
ball_vel: egui::Vec2,
score: u32,
combo: u32,
lives: u32,
last_time: Option<f64>,
previous_pause_gesture: bool,
pause_locked_until: f64,
}
impl Default for BreakoutGame {
fn default() -> Self {
let mut game = Self {
phase: BreakoutPhase::Idle,
bricks: Vec::new(),
paddle_x: 0.5,
ball_pos: egui::pos2(0.5, PADDLE_Y - PADDLE_H - BALL_RADIUS),
ball_vel: egui::vec2(0.0, 0.0),
score: 0,
combo: 0,
lives: 3,
last_time: None,
previous_pause_gesture: false,
pause_locked_until: 0.0,
};
game.rebuild_bricks();
game
}
}
impl BreakoutGame {
pub fn draw_viewport(
&mut self,
ctx: &egui::Context,
rect: egui::Rect,
visible: &mut bool,
control: BreakoutControl,
) {
if !*visible {
self.last_time = None;
return;
}
ctx.request_repaint();
let now = ctx.input(|input| input.time);
let dt = self
.last_time
.map(|last| (now - last) as f32)
.unwrap_or(1.0 / 60.0)
.clamp(0.0, 1.0 / 30.0);
self.last_time = Some(now);
let mut close_requested = false;
egui::Area::new(egui::Id::new("breakout_game_viewport"))
.fixed_pos(rect.min)
.order(egui::Order::Middle)
.show(ctx, |ui| {
ui.set_min_size(rect.size());
ui.set_max_size(rect.size());
style::group_frame().show(ui, |ui| {
ui.set_min_size(rect.size() - egui::vec2(20.0, 16.0));
if self.draw_contents(ui, control, dt, now, true) {
close_requested = true;
}
});
});
if close_requested {
*visible = false;
}
}
fn draw_contents(
&mut self,
ui: &mut egui::Ui,
control: BreakoutControl,
dt: f32,
now: f64,
embedded: bool,
) -> bool {
let mut close_requested = false;
ui.horizontal(|ui| {
ui.colored_label(
ACCENT_BLUE,
egui::RichText::new("NEON BREAKOUT").monospace().size(13.0),
);
ui.label(style::subtle_text("压力矩阵控制 / 左右分区驱动"));
ui.with_layout(egui::Layout::right_to_left(egui::Align::Center), |ui| {
if embedded && ui.add(style::tag_button("退出分屏")).clicked() {
close_requested = true;
}
if ui.add(style::tag_button("重开")).clicked() {
self.reset();
self.start();
}
if ui.add(style::tag_button("暂停")).clicked() {
self.toggle_pause();
}
});
});
ui.add_space(5.0);
ui.horizontal(|ui| {
status_chip(ui, "状态", self.status_text(), status_color(self.phase));
status_chip(ui, "分数", self.score.to_string(), ACCENT_GREEN);
status_chip(ui, "连击", self.combo.to_string(), ACCENT_ORANGE);
status_chip(ui, "生命", self.lives.to_string(), ACCENT_RED);
});
ui.add_space(7.0);
let available = ui.available_size();
let game_size = egui::vec2(available.x.max(500.0), (available.y - 6.0).max(330.0));
let (rect, response) = ui.allocate_exact_size(game_size, egui::Sense::click());
if response.clicked() && self.phase != BreakoutPhase::Running {
self.start();
}
let keyboard_axis = ui.input(|input| {
(input.key_down(egui::Key::ArrowRight) as i32
- input.key_down(egui::Key::ArrowLeft) as i32) as f32
});
if ui.input(|input| input.key_pressed(egui::Key::Space)) {
self.start();
}
if ui.input(|input| input.key_pressed(egui::Key::P)) {
self.toggle_pause();
}
let axis = if keyboard_axis.abs() > 0.0 {
keyboard_axis
} else {
control.axis
};
self.handle_pressure_gesture(control.top_force, now);
self.update(dt, axis);
self.paint(ui, rect, control);
close_requested
}
fn reset(&mut self) {
self.phase = BreakoutPhase::Idle;
self.paddle_x = 0.5;
self.ball_pos = egui::pos2(0.5, PADDLE_Y - PADDLE_H - BALL_RADIUS);
self.ball_vel = egui::Vec2::ZERO;
self.score = 0;
self.combo = 0;
self.lives = 3;
self.rebuild_bricks();
}
fn start(&mut self) {
if self.phase == BreakoutPhase::Over || self.phase == BreakoutPhase::Won {
self.reset();
}
if self.phase != BreakoutPhase::Running {
self.phase = BreakoutPhase::Running;
if self.ball_vel == egui::Vec2::ZERO {
self.launch_ball();
}
}
}
fn toggle_pause(&mut self) {
self.phase = match self.phase {
BreakoutPhase::Running => BreakoutPhase::Paused,
BreakoutPhase::Paused => BreakoutPhase::Running,
other => other,
};
}
fn handle_pressure_gesture(&mut self, top_force: f32, now: f64) {
let threshold = pressure_pause_threshold();
let active = top_force >= threshold;
if active && !self.previous_pause_gesture && now >= self.pause_locked_until {
if matches!(
self.phase,
BreakoutPhase::Idle | BreakoutPhase::Over | BreakoutPhase::Won
) {
self.start();
} else {
self.toggle_pause();
}
self.pause_locked_until = now + PAUSE_COOLDOWN;
}
self.previous_pause_gesture = active;
}
fn update(&mut self, dt: f32, axis: f32) {
for brick in &mut self.bricks {
brick.flash = (brick.flash - dt * 2.4).max(0.0);
}
if self.phase != BreakoutPhase::Running {
self.ball_pos = egui::pos2(self.paddle_x, PADDLE_Y - PADDLE_H - BALL_RADIUS);
return;
}
self.paddle_x = (self.paddle_x + axis.clamp(-1.0, 1.0) * PADDLE_SPEED * dt)
.clamp(PADDLE_W * 0.5, 1.0 - PADDLE_W * 0.5);
self.ball_pos += self.ball_vel * dt;
self.resolve_wall_collision();
self.resolve_paddle_collision();
self.resolve_brick_collision();
}
fn launch_ball(&mut self) {
let direction = 0.24;
self.ball_pos = egui::pos2(self.paddle_x, PADDLE_Y - PADDLE_H - BALL_RADIUS);
self.ball_vel = egui::vec2(direction, -1.0).normalized() * BALL_SPEED;
}
fn resolve_wall_collision(&mut self) {
if self.ball_pos.x - BALL_RADIUS <= 0.0 {
self.ball_pos.x = BALL_RADIUS;
self.ball_vel.x = self.ball_vel.x.abs();
} else if self.ball_pos.x + BALL_RADIUS >= 1.0 {
self.ball_pos.x = 1.0 - BALL_RADIUS;
self.ball_vel.x = -self.ball_vel.x.abs();
}
if self.ball_pos.y - BALL_RADIUS <= 0.0 {
self.ball_pos.y = BALL_RADIUS;
self.ball_vel.y = self.ball_vel.y.abs();
}
if self.ball_pos.y - BALL_RADIUS > 1.0 {
self.lives = self.lives.saturating_sub(1);
self.combo = 0;
if self.lives == 0 {
self.phase = BreakoutPhase::Over;
self.ball_vel = egui::Vec2::ZERO;
} else {
self.ball_pos = egui::pos2(self.paddle_x, PADDLE_Y - PADDLE_H - BALL_RADIUS);
self.launch_ball();
}
}
}
fn resolve_paddle_collision(&mut self) {
if self.ball_vel.y <= 0.0 {
return;
}
let paddle = paddle_rect(self.paddle_x);
if !circle_hits_rect(self.ball_pos, BALL_RADIUS, paddle) {
return;
}
self.ball_pos.y = paddle.top() - BALL_RADIUS;
let offset = ((self.ball_pos.x - self.paddle_x) / (PADDLE_W * 0.5)).clamp(-1.0, 1.0);
let speed = self.ball_vel.length().clamp(BALL_SPEED, MAX_BALL_SPEED);
self.ball_vel = egui::vec2(offset * 0.82, -1.0).normalized() * speed;
self.combo = 0;
}
fn resolve_brick_collision(&mut self) {
for brick in &mut self.bricks {
if !brick.alive || !circle_hits_rect(self.ball_pos, BALL_RADIUS, brick.rect) {
continue;
}
let overlap_x = (self.ball_pos.x + BALL_RADIUS - brick.rect.left())
.min(brick.rect.right() - (self.ball_pos.x - BALL_RADIUS));
let overlap_y = (self.ball_pos.y + BALL_RADIUS - brick.rect.top())
.min(brick.rect.bottom() - (self.ball_pos.y - BALL_RADIUS));
if overlap_x < overlap_y {
self.ball_vel.x *= -1.0;
} else {
self.ball_vel.y *= -1.0;
}
brick.alive = false;
brick.flash = 1.0;
self.combo += 1;
self.score += 40 + self.combo * 5;
let speed = (self.ball_vel.length() * 1.014).min(MAX_BALL_SPEED);
self.ball_vel = self.ball_vel.normalized() * speed;
break;
}
if self.bricks.iter().all(|brick| !brick.alive) {
self.phase = BreakoutPhase::Won;
self.ball_vel = egui::Vec2::ZERO;
}
}
fn rebuild_bricks(&mut self) {
self.bricks.clear();
let gap_x = 0.012;
let gap_y = 0.017;
let left = 0.075;
let top = 0.10;
let total_w = 0.85;
let brick_w = (total_w - gap_x * (BRICK_COLS - 1) as f32) / BRICK_COLS as f32;
let brick_h = 0.040;
for row in 0..BRICK_ROWS {
for col in 0..BRICK_COLS {
let x = left + col as f32 * (brick_w + gap_x);
let y = top + row as f32 * (brick_h + gap_y);
self.bricks.push(Brick {
rect: egui::Rect::from_min_size(egui::pos2(x, y), egui::vec2(brick_w, brick_h)),
alive: true,
flash: 0.0,
});
}
}
}
fn status_text(&self) -> &'static str {
match self.phase {
BreakoutPhase::Idle => "待机",
BreakoutPhase::Running => "运行",
BreakoutPhase::Paused => "暂停",
BreakoutPhase::Won => "过关",
BreakoutPhase::Over => "结束",
}
}
fn paint(&self, ui: &egui::Ui, rect: egui::Rect, control: BreakoutControl) {
let painter = ui.painter_at(rect);
painter.rect_filled(
rect,
egui::CornerRadius::same(6),
egui::Color32::from_rgb(8, 14, 19),
);
painter.rect_stroke(
rect,
egui::CornerRadius::same(6),
egui::Stroke::new(1.0, color_alpha(ONE_DARK_PRO.accent, 110)),
egui::StrokeKind::Outside,
);
paint_arena_grid(&painter, rect);
for (index, brick) in self.bricks.iter().enumerate() {
paint_brick(&painter, rect, brick, index);
}
paint_paddle(&painter, rect, self.paddle_x);
paint_ball(&painter, rect, self.ball_pos);
paint_control_meter(&painter, rect, control);
if self.phase == BreakoutPhase::Idle
|| self.phase == BreakoutPhase::Paused
|| self.phase == BreakoutPhase::Won
|| self.phase == BreakoutPhase::Over
{
paint_center_overlay(&painter, rect, self.phase);
}
}
}
pub fn control_from_matrix(raw: &[u32], rows: u32, cols: u32) -> BreakoutControl {
if raw.is_empty() {
return BreakoutControl::default();
}
let rows = rows.max(1) as usize;
let cols = cols.max(1) as usize;
let sample_rows = rows.min(2);
let sample_cols = cols.min(2);
let top_gesture_rows = rows.min(1);
let top_gesture_cols = (cols / 3).clamp(1, cols);
let top_gesture_col_start = (cols - top_gesture_cols) / 2;
let top_gesture_col_end = top_gesture_col_start + top_gesture_cols;
let avg = |row_start: usize, row_end: usize, col_start: usize, col_end: usize| -> f32 {
let mut sum = 0.0;
let mut count = 0.0;
for row in row_start..row_end {
for col in col_start..col_end {
let index = row * cols + col;
if let Some(value) = raw.get(index) {
sum += *value as f32;
count += 1.0;
}
}
}
if count > 0.0 { sum / count } else { 0.0 }
};
let tl = avg(0, sample_rows, 0, sample_cols);
let tr = avg(0, sample_rows, cols.saturating_sub(sample_cols), cols);
let bl = avg(rows.saturating_sub(sample_rows), rows, 0, sample_cols);
let br = avg(
rows.saturating_sub(sample_rows),
rows,
cols.saturating_sub(sample_cols),
cols,
);
let left_force = tl + bl;
let right_force = tr + br;
let top_force = avg(
0,
top_gesture_rows,
top_gesture_col_start,
top_gesture_col_end,
);
let span = 1200.0_f32.max((PRESSURE_RANGE_MAX - PRESSURE_RANGE_MIN) * 0.22);
let raw_axis = ((right_force - left_force) / span).clamp(-1.0, 1.0);
let axis = if raw_axis.abs() < 0.045 {
0.0
} else {
raw_axis
};
BreakoutControl {
axis,
top_force,
left_force,
right_force,
}
}
fn pressure_pause_threshold() -> f32 {
420.0_f32.max(((PRESSURE_RANGE_MAX - PRESSURE_RANGE_MIN).max(1000.0) * 0.07).round())
}
fn paddle_rect(paddle_x: f32) -> egui::Rect {
egui::Rect::from_center_size(
egui::pos2(paddle_x, PADDLE_Y),
egui::vec2(PADDLE_W, PADDLE_H),
)
}
fn circle_hits_rect(center: egui::Pos2, radius: f32, rect: egui::Rect) -> bool {
let closest_x = center.x.clamp(rect.left(), rect.right());
let closest_y = center.y.clamp(rect.top(), rect.bottom());
let dx = center.x - closest_x;
let dy = center.y - closest_y;
dx * dx + dy * dy <= radius * radius
}
fn status_chip(ui: &mut egui::Ui, label: &'static str, value: impl ToString, color: egui::Color32) {
egui::Frame::new()
.fill(color_alpha(ONE_DARK_PRO.panel_deep, 190))
.stroke(egui::Stroke::new(1.0, color_alpha(color, 92)))
.corner_radius(egui::CornerRadius::same(4))
.inner_margin(egui::Margin::symmetric(8, 4))
.show(ui, |ui| {
ui.horizontal(|ui| {
ui.colored_label(ONE_DARK_PRO.text_subtle, label);
ui.colored_label(color, value.to_string());
});
});
}
fn status_color(phase: BreakoutPhase) -> egui::Color32 {
match phase {
BreakoutPhase::Idle => ONE_DARK_PRO.text_dim,
BreakoutPhase::Running => ACCENT_GREEN,
BreakoutPhase::Paused => ACCENT_ORANGE,
BreakoutPhase::Won => ACCENT_GREEN,
BreakoutPhase::Over => ACCENT_RED,
}
}
fn to_screen(rect: egui::Rect, point: egui::Pos2) -> egui::Pos2 {
egui::pos2(
rect.left() + point.x * rect.width(),
rect.top() + point.y * rect.height(),
)
}
fn to_screen_rect(rect: egui::Rect, local: egui::Rect) -> egui::Rect {
egui::Rect::from_min_max(
rect.left_top() + local.min.to_vec2() * rect.size(),
rect.left_top() + local.max.to_vec2() * rect.size(),
)
}
fn paint_arena_grid(painter: &egui::Painter, rect: egui::Rect) {
// 游戏背景保持纯净,避免网格和外框干扰砖块本身的色块节奏。
painter.rect_filled(
rect,
egui::CornerRadius::same(6),
egui::Color32::from_rgb(2, 8, 10),
);
painter.rect_stroke(
rect,
egui::CornerRadius::same(6),
egui::Stroke::new(1.0, color_alpha(ONE_DARK_PRO.accent, 70)),
egui::StrokeKind::Inside,
);
}
fn paint_brick(painter: &egui::Painter, arena: egui::Rect, brick: &Brick, index: usize) {
let rect = to_screen_rect(arena, brick.rect);
if brick.alive {
let row = index / BRICK_COLS;
let col = index % BRICK_COLS;
// 参考示例图:纯色矩形砖块,黑色间隔由砖块之间的空隙自然露出。
painter.rect_filled(rect, egui::CornerRadius::ZERO, brick_color(row, col));
} else if brick.flash > 0.0 {
let alpha = (brick.flash * 150.0) as u8;
painter.rect_stroke(
rect.expand(4.0 * brick.flash),
egui::CornerRadius::same(4),
egui::Stroke::new(1.4, color_alpha(ONE_DARK_PRO.accent_hot, alpha)),
egui::StrokeKind::Outside,
);
}
}
fn paint_paddle(painter: &egui::Painter, arena: egui::Rect, paddle_x: f32) {
let rect = to_screen_rect(arena, paddle_rect(paddle_x));
// 托盘也改成纯色块,和砖块保持同一种视觉语言。
painter.rect_filled(rect, egui::CornerRadius::ZERO, ACCENT_BLUE);
}
fn paint_ball(painter: &egui::Painter, arena: egui::Rect, ball_pos: egui::Pos2) {
let center = to_screen(arena, ball_pos);
let radius = BALL_RADIUS * arena.width().min(arena.height());
// 球保留为一个普通实心圆,避免额外高光和光晕。
painter.circle_filled(center, radius, egui::Color32::from_rgb(241, 207, 70));
}
fn paint_control_meter(painter: &egui::Painter, arena: egui::Rect, control: BreakoutControl) {
let meter_width = arena.width().mul_add(0.30, 0.0).clamp(180.0, 240.0);
let meter = egui::Rect::from_min_size(
arena.left_bottom() + egui::vec2(18.0, -34.0),
egui::vec2(meter_width, 18.0),
);
painter.rect_filled(
meter,
egui::CornerRadius::same(4),
color_alpha(ONE_DARK_PRO.panel_deep, 220),
);
painter.rect_stroke(
meter,
egui::CornerRadius::same(4),
egui::Stroke::new(1.0, color_alpha(ONE_DARK_PRO.border, 120)),
egui::StrokeKind::Outside,
);
let center_x = meter.center().x;
painter.line_segment(
[
egui::pos2(center_x, meter.top()),
egui::pos2(center_x, meter.bottom()),
],
egui::Stroke::new(1.0, ONE_DARK_PRO.border_soft),
);
let marker_x = center_x + control.axis.clamp(-1.0, 1.0) * meter.width() * 0.45;
painter.circle_filled(
egui::pos2(marker_x, meter.center().y),
5.0,
color_alpha(ACCENT_GREEN, 210),
);
painter.circle_filled(
egui::pos2(marker_x, meter.center().y),
2.3,
color_alpha(egui::Color32::WHITE, 150),
);
painter.text(
meter.right_center() + egui::vec2(10.0, 0.0),
egui::Align2::LEFT_CENTER,
format!(
"L {:>4.0} R {:>4.0} T {:>4.0}",
control.left_force, control.right_force, control.top_force
),
egui::FontId::monospace(10.0),
ONE_DARK_PRO.text_dim,
);
}
fn paint_center_overlay(painter: &egui::Painter, rect: egui::Rect, phase: BreakoutPhase) {
painter.rect_filled(
rect,
egui::CornerRadius::same(6),
color_alpha(egui::Color32::BLACK, 82),
);
let (title, detail) = match phase {
BreakoutPhase::Idle => ("按压顶部或点击开始", "左右分区压力控制挡板"),
BreakoutPhase::Paused => ("已暂停", "再次按压顶部、P 或点击暂停继续"),
BreakoutPhase::Won => ("恭喜过关", "按压顶部、点击或空格重新开始"),
BreakoutPhase::Over => ("游戏结束", "点击或空格重开"),
BreakoutPhase::Running => ("", ""),
};
painter.text(
rect.center() - egui::vec2(0.0, 10.0),
egui::Align2::CENTER_CENTER,
title,
egui::FontId::proportional(24.0),
ONE_DARK_PRO.text,
);
painter.text(
rect.center() + egui::vec2(0.0, 20.0),
egui::Align2::CENTER_CENTER,
detail,
egui::FontId::proportional(13.0),
ONE_DARK_PRO.text_dim,
);
}
fn brick_color(row: usize, col: usize) -> egui::Color32 {
const PALETTE: [egui::Color32; 5] = [
egui::Color32::from_rgb(46, 178, 104),
egui::Color32::from_rgb(73, 188, 220),
egui::Color32::from_rgb(234, 199, 73),
egui::Color32::from_rgb(232, 125, 64),
egui::Color32::from_rgb(237, 68, 62),
];
PALETTE[(col + row * 2) % PALETTE.len()]
}
fn color_alpha(color: egui::Color32, alpha: u8) -> egui::Color32 {
egui::Color32::from_rgba_premultiplied(color.r(), color.g(), color.b(), alpha)
}