UE5 runtime模式下自定义视口大小和位置并跟随分辨率自适应缩放

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UE5 runtime模式下自定义视口大小和位置并跟随分辨率自适应缩放

2024-04-10 14:24| 来源: 网络整理| 查看: 265

本文旨在解决因UI问题导致屏幕中心位置不对的问题处理前的现象：如果四周UI透明度都为1，那么方块的位置就不太对，没在中心处理后的现象：解决办法：自定义大小和视口偏移创建一个基于子系统的类或者蓝图函数库(什么类不重要，你调的到就行) .h

// Fill out your copyright notice in the Description page of Project Settings. #pragma once #include "CoreMinimal.h" #include "Subsystems/GameInstanceSubsystem.h" #include "CustomGameViewSizeSub.generated.h" /** * */ class FViewport; //定义当视口大小发生变化时的代理 DECLARE_DYNAMIC_MULTICAST_DELEGATE(FOnViewportResized); UCLASS() class CUSTOMGAMEVIEWSIZE_API UCustomGameViewSizeSub : public UGameInstanceSubsystem { GENERATED_BODY() public: UPROPERTY(BlueprintAssignable, Category = "Delegate") FOnViewportResized OnViewportResized; public: void ViewportResize(FViewport* Viewport, uint32 Size); virtual void Initialize(FSubsystemCollectionBase& Collection) override; UFUNCTION(BlueprintCallable, Category = "Fun Tool") void AdjustViewportSize(FMargin margin); };

.cpp

// Fill out your copyright notice in the Description page of Project Settings. #include "CustomGameViewSizeSub.h" #include "UnrealClient.h" #include "Engine/Engine.h" #include "Engine/GameViewportClient.h" void UCustomGameViewSizeSub::Initialize(FSubsystemCollectionBase& Collection) { GEngine->GameViewport->Viewport->ViewportResizedEvent.AddUObject(this, &UCustomGameViewSizeSub::ViewportResize); } void UCustomGameViewSizeSub::ViewportResize(FViewport* Viewport, uint32 Size) { OnViewportResized.Broadcast(); } void UCustomGameViewSizeSub::AdjustViewportSize(FMargin margin) { UE_LOG(LogTemp, Log, TEXT(" AdjustViewportSize ")); if (GEngine->GameViewport) { FVector2D ViewportSize; GEngine->GameViewport->GetViewportSize(ViewportSize); if (ViewportSize.X > 0 && ViewportSize.Y > 0) { //视口大小缩放 GEngine->GameViewport->SplitscreenInfo[0].PlayerData[0].SizeX = margin.Right / ViewportSize.X; GEngine->GameViewport->SplitscreenInfo[0].PlayerData[0].SizeY = margin.Bottom / ViewportSize.Y; //基于视口原点偏移，原点是左上角(0,0) GEngine->GameViewport->SplitscreenInfo[0].PlayerData[0].OriginX = margin.Left / ViewportSize.X; GEngine->GameViewport->SplitscreenInfo[0].PlayerData[0].OriginY = margin.Top / ViewportSize.Y; } } }

UMG设计图：逻辑实现：

最终效果：

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UE5 runtime模式下自定义视口大小和位置并跟随分辨率自适应缩放

UE5 runtime模式下自定义视口大小和位置并跟随分辨率自适应缩放

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