2026-03-20 02:35:15 +08:00
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# RectInt
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2026-03-21 15:55:04 +08:00
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整数矩形结构体,用于像素级 2D 区域表示。
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2026-03-20 02:35:15 +08:00
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2026-03-26 02:41:00 +08:00
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**头文件:** `#include <XCEngine/Core/Math/Rect.h>`
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2026-03-20 02:35:15 +08:00
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2026-03-21 15:55:04 +08:00
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**命名空间:** `XCEngine::Math`
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2026-03-20 02:35:15 +08:00
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2026-03-21 15:55:04 +08:00
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## 结构体定义
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2026-03-21 15:55:04 +08:00
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```cpp
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struct RectInt {
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int32_t x = 0;
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int32_t y = 0;
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int32_t width = 0;
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int32_t height = 0;
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RectInt() = default;
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RectInt(int32_t x, int32_t y, int32_t w, int32_t h);
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};
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```
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2026-03-21 15:55:04 +08:00
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## 构造函数
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| 方法 | 描述 |
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|------|------|
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| `RectInt()` | 默认构造 |
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| `RectInt(x, y, w, h)` | 从整数坐标和尺寸构造 |
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## 边界访问
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| 方法 | 返回值 | 描述 |
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|------|--------|------|
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| [GetLeft()](getleft.md) | `int32_t` | 左边界 |
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| [GetRight()](getright.md) | `int32_t` | 右边界 |
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| [GetTop()](gettop.md) | `int32_t` | 上边界 |
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| [GetBottom()](getbottom.md) | `int32_t` | 下边界 |
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| [GetPosition()](getposition.md) | `Vector2` | 位置(转换为浮点) |
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| [GetSize()](getsize.md) | `Vector2` | 尺寸(转换为浮点) |
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| [GetCenter()](getcenter.md) | `Vector2` | 中心点 |
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## 检测方法
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| 方法 | 返回值 | 描述 |
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|------|--------|------|
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| [Contains(px, py)](contains.md) | `bool` | 整数坐标点检测 |
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| [Intersects(other)](intersects.md) | `bool` | 与另一矩形相交 |
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## 相关文档
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2026-03-21 15:55:04 +08:00
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- [Math 模块总览](../math.md) - 返回 Rect 模块总览
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2026-03-26 01:43:14 +08:00
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- [Rect](../rect/rect-overview.md) - 浮点矩形版本
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- [Viewport](../viewport/viewport.md) - 渲染视口
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