154 lines
4.0 KiB
C++
154 lines
4.0 KiB
C++
#pragma once
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#include <extra2d/core/color.h>
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#include <extra2d/core/math_types.h>
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#include <extra2d/render/camera.h>
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#include <extra2d/render/shape_renderer.h>
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#include <extra2d/render/sprite_renderer.h>
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#include <extra2d/render/texture.h>
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#include <extra2d/render/render_context.h>
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#include <glm/mat4x4.hpp>
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#include <memory>
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namespace extra2d {
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/**
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* @brief 高层渲染器
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*
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* 封装 ShapeRenderer 和 SpriteRenderer，提供简单易用的 2D 渲染 API
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*/
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class Renderer {
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public:
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Renderer();
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~Renderer();
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/**
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* @brief 初始化渲染器
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*/
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bool init();
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/**
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* @brief 关闭渲染器
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*/
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void shutdown();
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/**
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* @brief 开始帧渲染
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* @param clearColor 清屏颜色
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*/
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void beginFrame(const Color& clearColor = Colors::Black);
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/**
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* @brief 结束帧渲染
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*/
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void endFrame();
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/**
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* @brief 设置视图投影矩阵
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*/
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void setViewProjection(const glm::mat4& viewProjection);
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/**
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* @brief 获取视图投影矩阵
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*/
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const glm::mat4& viewProjection() const { return viewProjection_; }
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// =========================================================================
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// 图形绘制 API
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// =========================================================================
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/**
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* @brief 绘制线条
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*/
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void drawLine(const Vec2& start, const Vec2& end, const Color& color, float width = 1.0f);
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/**
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* @brief 绘制矩形（描边）
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*/
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void drawRect(const Rect& rect, const Color& color, float width = 1.0f);
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/**
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* @brief 绘制矩形（填充）
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*/
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void fillRect(const Rect& rect, const Color& color);
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/**
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* @brief 绘制圆形（描边）
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*/
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void drawCircle(const Vec2& center, float radius, const Color& color,
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int segments = 32, float width = 1.0f);
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/**
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* @brief 绘制圆形（填充）
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*/
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void fillCircle(const Vec2& center, float radius, const Color& color, int segments = 32);
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/**
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* @brief 绘制三角形（描边）
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*/
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void drawTriangle(const Vec2& p1, const Vec2& p2, const Vec2& p3,
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const Color& color, float width = 1.0f);
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/**
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* @brief 绘制三角形（填充）
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*/
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void fillTriangle(const Vec2& p1, const Vec2& p2, const Vec2& p3, const Color& color);
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/**
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* @brief 绘制多边形（描边）
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*/
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void drawPolygon(const std::vector<Vec2>& points, const Color& color, float width = 1.0f);
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/**
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* @brief 绘制多边形（填充）
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*/
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void fillPolygon(const std::vector<Vec2>& points, const Color& color);
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// =========================================================================
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// 精灵绘制 API
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// =========================================================================
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/**
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* @brief 绘制精灵
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*/
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void drawSprite(const Texture& texture, const Rect& destRect, const Rect& srcRect,
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const Color& color = Colors::White, float rotation = 0.0f,
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const Vec2& anchor = Vec2(0.5f, 0.5f));
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/**
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* @brief 绘制精灵（简化版）
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*/
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void drawSprite(const Texture& texture, const Vec2& position,
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const Color& color = Colors::White);
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/**
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* @brief 绘制精灵（带缩放）
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*/
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void drawSprite(const Texture& texture, const Vec2& position, const Vec2& scale,
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const Color& color = Colors::White);
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// =========================================================================
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// 统计信息
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// =========================================================================
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/**
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* @brief 获取绘制调用次数
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*/
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uint32 drawCalls() const;
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/**
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* @brief 获取精灵数量
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*/
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uint32 spriteCount() const;
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private:
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glm::vec4 toVec4(const Color& color) const;
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std::unique_ptr<ShapeRenderer> shapeRenderer_;
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std::unique_ptr<SpriteRenderer> spriteRenderer_;
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glm::mat4 viewProjection_{1.0f};
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bool inFrame_ = false;
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};
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} // namespace extra2d
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