feat: 集成Rust WASM渲染引擎与TypeScript ECS框架 (#228)

* feat: 集成Rust WASM渲染引擎与TypeScript ECS框架

* feat: 增强编辑器UI功能与跨平台支持

* fix: 修复CI测试和类型检查问题

* fix: 修复CI问题并提高测试覆盖率

* fix: 修复CI问题并提高测试覆盖率

packages/engine/src/input/mouse.rs

@@ -0,0 +1,136 @@
+//! Mouse input handling.
+//! 鼠标输入处理。
+
+use crate::math::Vec2;
+
+/// Mouse button identifiers.
+/// 鼠标按钮标识符。
+#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
+pub enum MouseButton {
+    /// Left mouse button.
+    /// 鼠标左键。
+    Left,
+    /// Middle mouse button (scroll wheel).
+    /// 鼠标中键（滚轮）。
+    Middle,
+    /// Right mouse button.
+    /// 鼠标右键。
+    Right,
+}
+
+impl MouseButton {
+    /// Convert from button index.
+    /// 从按钮索引转换。
+    pub fn from_index(index: i16) -> Option<Self> {
+        match index {
+            0 => Some(MouseButton::Left),
+            1 => Some(MouseButton::Middle),
+            2 => Some(MouseButton::Right),
+            _ => None,
+        }
+    }
+}
+
+/// Mouse input state.
+/// 鼠标输入状态。
+#[derive(Debug, Default)]
+pub struct MouseState {
+    /// Current mouse position.
+    /// 当前鼠标位置。
+    pub position: Vec2,
+
+    /// Mouse movement delta since last frame.
+    /// 自上一帧以来的鼠标移动增量。
+    pub delta: Vec2,
+
+    /// Scroll wheel delta.
+    /// 滚轮增量。
+    pub scroll_delta: f32,
+
+    /// Button states (left, middle, right).
+    /// 按钮状态（左、中、右）。
+    buttons: [bool; 3],
+
+    /// Buttons just pressed this frame.
+    /// 本帧刚按下的按钮。
+    just_pressed: [bool; 3],
+
+    /// Buttons just released this frame.
+    /// 本帧刚释放的按钮。
+    just_released: [bool; 3],
+
+    /// Previous position for delta calculation.
+    /// 用于计算增量的上一位置。
+    prev_position: Vec2,
+}
+
+impl MouseState {
+    /// Create new mouse state.
+    /// 创建新的鼠标状态。
+    pub fn new() -> Self {
+        Self::default()
+    }
+
+    /// Handle mouse move event.
+    /// 处理鼠标移动事件。
+    pub fn mouse_move(&mut self, x: f32, y: f32) {
+        self.position = Vec2::new(x, y);
+    }
+
+    /// Handle mouse button down event.
+    /// 处理鼠标按钮按下事件。
+    pub fn button_down(&mut self, button: MouseButton) {
+        let index = button as usize;
+        if !self.buttons[index] {
+            self.just_pressed[index] = true;
+        }
+        self.buttons[index] = true;
+    }
+
+    /// Handle mouse button up event.
+    /// 处理鼠标按钮释放事件。
+    pub fn button_up(&mut self, button: MouseButton) {
+        let index = button as usize;
+        if self.buttons[index] {
+            self.just_released[index] = true;
+        }
+        self.buttons[index] = false;
+    }
+
+    /// Handle scroll wheel event.
+    /// 处理滚轮事件。
+    pub fn scroll(&mut self, delta: f32) {
+        self.scroll_delta = delta;
+    }
+
+    /// Check if a button is currently pressed.
+    /// 检查某个按钮是否当前被按下。
+    #[inline]
+    pub fn is_button_down(&self, button: MouseButton) -> bool {
+        self.buttons[button as usize]
+    }
+
+    /// Check if a button was just pressed this frame.
+    /// 检查某个按钮是否在本帧刚被按下。
+    #[inline]
+    pub fn is_button_just_pressed(&self, button: MouseButton) -> bool {
+        self.just_pressed[button as usize]
+    }
+
+    /// Check if a button was just released this frame.
+    /// 检查某个按钮是否在本帧刚被释放。
+    #[inline]
+    pub fn is_button_just_released(&self, button: MouseButton) -> bool {
+        self.just_released[button as usize]
+    }
+
+    /// Update state for new frame.
+    /// 为新帧更新状态。
+    pub fn update(&mut self) {
+        self.delta = self.position - self.prev_position;
+        self.prev_position = self.position;
+        self.scroll_delta = 0.0;
+        self.just_pressed = [false; 3];
+        self.just_released = [false; 3];
+    }
+}