增加热辐射颜色处理
This commit is contained in:
zhangqing
@@ -7,7 +7,9 @@
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"Bash(dir:*)",
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"Bash(git add:*)",
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"Bash(git commit -m \"$(cat <<''EOF''\n实现DynamicIronBlock温度体素系统基础功能\n\n新增功能：\n- 添加FTemperatureVoxel结构体（温度、塑性系数、表面标志）\n- 实现自适应温度网格（5mm体素精度，基于BoxSize计算分辨率）\n- 实现三线性插值温度/塑性系数采样\n- 实现黑体辐射温度可视化（顶点颜色）\n- 添加HeatRegion蓝图测试函数\n- 添加OnHammerImpact锤击形变函数（体积守恒）\n\n技术细节：\n- Phase 1: CPU侧温度网格初始化，支持10cm-100cm+可变尺寸\n- Phase 3: 温度可视化系统（20°C灰色 → 1200°C白色）\n- 内存占用：30×30×30cm ≈ 1.7MB（60×60×60体素）\n\n待实现：Phase 2 GPU热传导计算\n\n🤖 Generated with [Claude Code](https://claude.com/claude-code)\n\nCo-Authored-By: Claude <noreply@anthropic.com>\nEOF\n)\")",
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"Bash(git commit:*)"
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"Bash(git commit:*)",
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"Bash(\"E:\\MiceCola\\work\\UE_5_6\\Engine\\Build\\BatchFiles\\Build.bat\" BladeSmithEditor Win64 Development -Project=\"C:\\MiceCola\\Indi\\BladeSmith\\BladeSmith.uproject\" -WaitMutex -FromMsBuild)",
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"Bash(cmd /c:*)"
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],
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"deny": [],
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"ask": []
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@@ -66,6 +66,7 @@ void ADynamicIronBlock::Tick(float DeltaTime)
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return;
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}
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// ========== 温度计算更新 ==========
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// 累积时间
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TimeSinceLastUpdate += DeltaTime;
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@@ -78,9 +79,37 @@ void ADynamicIronBlock::Tick(float DeltaTime)
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// 重置计时器
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TimeSinceLastUpdate = 0.0f;
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// 从GPU下载温度数据并更新顶点颜色
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// 从GPU下载温度数据并更新材质参数
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DownloadTemperatureDataFromGPU();
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// 注意：UpdateVertexColors()会在DownloadTemperatureDataFromGPU的回调中异步调用
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// 注意：UpdateMaterialTemperature()会在DownloadTemperatureDataFromGPU的回调中异步调用
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}
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// ========== 自动加热功能 ==========
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if (bIsHeating)
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{
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// 累积加热时间
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TimeSinceLastHeating += DeltaTime;
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// 每隔HeatingInterval进行一次加热
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if (TimeSinceLastHeating >= HeatingInterval)
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{
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// 获取铁块中心位置（世界坐标）
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FVector WorldCenter = GetActorLocation();
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// 执行加热
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HeatRegion(WorldCenter, HeatingRadius, HeatingTemperatureIncrease);
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// 重置加热计时器
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TimeSinceLastHeating = 0.0f;
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UE_LOG(LogTemp, Log, TEXT("DynamicIronBlock: Auto heating applied at center, radius: %.2f cm, temp increase: %.2f °C"),
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HeatingRadius, HeatingTemperatureIncrease);
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}
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}
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else
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{
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// 如果加热被关闭，重置计时器
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TimeSinceLastHeating = 0.0f;
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}
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}
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@@ -153,7 +182,7 @@ void ADynamicIronBlock::InitializeBoxMesh()
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// 如果设置了材质，创建动态材质实例并应用
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if (IronMaterial)
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{
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UMaterialInstanceDynamic* DynamicMaterialInstance = UMaterialInstanceDynamic::Create(IronMaterial, this);
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DynamicMaterialInstance = UMaterialInstanceDynamic::Create(IronMaterial, this);
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if (DynamicMaterialInstance)
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{
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DynMeshComp->SetMaterial(0, DynamicMaterialInstance);
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@@ -536,8 +565,8 @@ void ADynamicIronBlock::HeatRegion(FVector WorldCenter, float Radius, float Temp
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UE_LOG(LogTemp, Log, TEXT("DynamicIronBlock: Temperature data uploaded to GPU after HeatRegion"));
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}
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// 更新顶点颜色以显示温度变化
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UpdateVertexColors();
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// 更新材质温度参数以显示温度变化
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UpdateMaterialTemperature();
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}
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float ADynamicIronBlock::SampleTemperatureAtPosition(const FVector& LocalPosition) const
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@@ -680,54 +709,66 @@ FLinearColor ADynamicIronBlock::TemperatureToColor(float Temperature) const
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}
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}
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void ADynamicIronBlock::UpdateVertexColors()
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float ADynamicIronBlock::CalculateAverageTemperature() const
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{
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if (!bEnableTemperatureSystem || TemperatureGrid.Num() == 0)
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{
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return AmbientTemperature;
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}
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float TotalTemperature = 0.0f;
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int32 ValidVoxels = 0;
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// 遍历所有体素，累加温度
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for (const FTemperatureVoxel& Voxel : TemperatureGrid)
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{
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TotalTemperature += Voxel.Temperature;
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++ValidVoxels;
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}
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// 计算平均温度
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return ValidVoxels > 0 ? (TotalTemperature / ValidVoxels) : AmbientTemperature;
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}
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void ADynamicIronBlock::UpdateMaterialTemperature()
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{
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if (!bEnableTemperatureSystem || TemperatureGrid.Num() == 0)
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{
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return;
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}
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UDynamicMeshComponent* DynMeshComp = GetDynamicMeshComponent();
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if (!DynMeshComp)
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if (!DynamicMaterialInstance)
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{
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UE_LOG(LogTemp, Warning, TEXT("DynamicIronBlock: Cannot update material temperature, dynamic material instance is null"));
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return;
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}
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UDynamicMesh* DynMesh = DynMeshComp->GetDynamicMesh();
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if (!DynMesh)
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// 计算平均温度
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float AverageTemperature = CalculateAverageTemperature();
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// 将温度映射到颜色
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FLinearColor TemperatureColor = TemperatureToColor(AverageTemperature);
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// 设置材质参数
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DynamicMaterialInstance->SetScalarParameterValue(FName("Temperature"), AverageTemperature);
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DynamicMaterialInstance->SetVectorParameterValue(FName("TemperatureColor"), TemperatureColor);
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UE_LOG(LogTemp, Log, TEXT("DynamicIronBlock: Material temperature updated - Avg: %.1f°C, Color: (%.2f, %.2f, %.2f)"),
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AverageTemperature, TemperatureColor.R, TemperatureColor.G, TemperatureColor.B);
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// 在屏幕上显示温度信息（保留3秒）
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if (GEngine)
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{
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return;
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FString DebugMessage = FString::Printf(TEXT("Temperature: %.1f°C | Color: (R:%.2f, G:%.2f, B:%.2f)"),
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AverageTemperature, TemperatureColor.R, TemperatureColor.G, TemperatureColor.B);
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GEngine->AddOnScreenDebugMessage(
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-1, // Key (-1 表示自动分配)
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3.0f, // 显示时长（秒）
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TemperatureColor.ToFColor(true), // 使用温度颜色
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DebugMessage
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);
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}
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DynMesh->EditMesh([&](FDynamicMesh3& EditMesh)
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{
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// 启用顶点颜色（如果尚未启用）
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if (!EditMesh.HasVertexColors())
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{
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EditMesh.EnableVertexColors(FVector3f(0.2f, 0.2f, 0.2f));
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}
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// 遍历所有顶点
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for (int32 VertexID : EditMesh.VertexIndicesItr())
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{
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// 获取顶点位置（局部坐标）
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FVector3d VertexPos = EditMesh.GetVertex(VertexID);
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FVector VertexPosFloat(VertexPos.X, VertexPos.Y, VertexPos.Z);
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// 通过三线性插值获取该顶点的温度
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float Temperature = SampleTemperatureAtPosition(VertexPosFloat);
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// 将温度映射到颜色
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FLinearColor VertexColor = TemperatureToColor(Temperature);
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// 设置顶点颜色
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EditMesh.SetVertexColor(VertexID, FVector3f(VertexColor.R, VertexColor.G, VertexColor.B));
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}
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}, EDynamicMeshChangeType::GeneralEdit, EDynamicMeshAttributeChangeFlags::Unknown, false);
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DynMeshComp->NotifyMeshUpdated();
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UE_LOG(LogTemp, Log, TEXT("DynamicIronBlock: Vertex colors updated based on temperature"));
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}
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// ========== GPU缓冲区管理实现 ==========
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@@ -904,8 +945,8 @@ void ADynamicIronBlock::DownloadTemperatureDataFromGPU()
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UE_LOG(LogTemp, Log, TEXT("DynamicIronBlock: Temperature data downloaded from GPU"));
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// 更新顶点颜色以反映新的温度
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UpdateVertexColors();
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// 更新材质温度参数以反映新的温度
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UpdateMaterialTemperature();
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});
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});
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}
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@@ -104,6 +104,24 @@ public:
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UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Temperature System")
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bool bEnableTemperatureSystem = true;
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// ========== 自动加热功能 ==========
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// 是否正在加热中
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UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Temperature System|Auto Heating")
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bool bIsHeating = false;
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// 自动加热间隔（秒）
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UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Temperature System|Auto Heating", meta = (ClampMin = "0.1", ClampMax = "10.0"))
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float HeatingInterval = 1.0f;
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// 自动加热半径（厘米）
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UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Temperature System|Auto Heating")
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float HeatingRadius = 30.0f;
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// 每次加热温度增量（摄氏度）
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UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Temperature System|Auto Heating")
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float HeatingTemperatureIncrease = 100.0f;
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/**
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* 测试函数 - 加热指定区域
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* @param WorldCenter 加热中心位置（世界坐标）
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@@ -156,6 +174,10 @@ private:
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// 温度网格分辨率
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FIntVector TemperatureResolution;
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// 动态材质实例（用于更新温度参数）
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UPROPERTY()
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UMaterialInstanceDynamic* DynamicMaterialInstance;
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// ========== 温度系统方法 ==========
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/**
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@@ -235,9 +257,15 @@ private:
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FLinearColor TemperatureToColor(float Temperature) const;
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/**
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* 更新网格顶点颜色以显示温度
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* 计算平均温度
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* @return 体素网格的平均温度
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*/
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void UpdateVertexColors();
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float CalculateAverageTemperature() const;
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/**
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* 更新动态材质的温度参数
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*/
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void UpdateMaterialTemperature();
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// ========== GPU计算系统（Phase 2） ==========
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@@ -259,6 +287,9 @@ private:
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float TimeSinceLastUpdate = 0.0f; // 距离上次温度更新的时间
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float TemperatureUpdateInterval = 1.0f; // 温度更新间隔（秒）
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// 自动加热计时器
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float TimeSinceLastHeating = 0.0f; // 距离上次自动加热的时间
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// GPU缓冲区是否已准备好（线程安全标志）
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std::atomic<bool> bGPUBuffersReady{false};
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