59 lines
1.3 KiB
C
59 lines
1.3 KiB
C
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#pragma once
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#include <scene/node.h>
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#include <renderer/instance_buffer.h>
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#include <renderer/material.h>
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#include <renderer/mesh.h>
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#include <renderer/texture.h>
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#include <assets/handle.h>
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#include <vector>
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namespace extra2d {
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/**
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* @brief 实例化渲染测试节点
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*
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* 测试实例化渲染功能，渲染大量相同精灵但使用不同变换
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*/
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class InstancedTestNode : public Node {
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public:
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InstancedTestNode();
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~InstancedTestNode() override;
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/**
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* @brief 初始化实例化渲染资源
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* @param instanceCount 实例数量
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* @return 初始化是否成功
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*/
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bool initialize(uint32_t instanceCount = 1000);
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/**
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* @brief 每帧更新实例数据
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* @param dt 时间增量
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*/
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void update(float dt);
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/**
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* @brief 渲染实例（收集渲染命令）
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*/
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void render() override;
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private:
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InstanceBuffer instanceBuffer_; // 实例缓冲区
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std::vector<InstanceData> instanceData_; // CPU端实例数据
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uint32_t instanceCount_ = 0; // 实例数量
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float time_ = 0.0f; // 时间累积
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// 资源句柄
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Handle<Material> material_;
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Handle<Mesh> mesh_;
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Handle<Texture> texture_;
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/**
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* @brief 更新实例变换
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*/
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void updateInstances();
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};
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} // namespace extra2d
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