koritsa
55 lines
1.8 KiB
C++
55 lines
1.8 KiB
C++
// RadialSliceWidget.h
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// A single wedge of the radial menu. One of these exists per entry, each with
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// its own dynamic material instance. It knows its own angular span and whether
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// it is currently the hovered slice — nothing about its neighbours.
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#pragma once
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#include "CoreMinimal.h"
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#include "Blueprint/UserWidget.h"
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#include "RadialSliceWidget.generated.h"
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class UImage;
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class UMaterialInstanceDynamic;
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UCLASS(Abstract)
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class URadialSliceWidget : public UUserWidget
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{
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GENERATED_BODY()
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public:
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// Called once when the slice is created. StartAngle/AngleSize are degrees,
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// clockwise from 12 o'clock; the material uses them to draw just this wedge.
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void Setup(UMaterialInterface* InSliceMaterial, float StartAngleDeg,
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float AngleSizeDeg, UTexture2D* Icon, bool bEnabled);
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// Smoothly animate this slice's highlight toward target (0 = off, 1 = on).
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// Called every tick by the container with the *undilated* delta.
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void UpdateHighlight(bool bIsHovered, float UndilatedDelta);
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protected:
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virtual void NativeConstruct() override;
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UPROPERTY(meta = (BindWidget))
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TObjectPtr<UImage> WedgeImage = nullptr;
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UPROPERTY(meta = (BindWidget))
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TObjectPtr<UImage> IconImage = nullptr;
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// Speed of the highlight ease. Higher = snappier.
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UPROPERTY(EditDefaultsOnly, Category = "Radial Menu")
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float HighlightInterpSpeed = 16.f;
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// Distance in px from the menu center to the icon, placing it on the slice's
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// centerline. Should sit between the material's InnerRadius and OuterRadius:
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// roughly (InnerRadius + OuterRadius) * 0.5 * MenuDiameter.
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UPROPERTY(EditDefaultsOnly, Category = "Radial Menu")
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float IconRadius = 164.f;
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private:
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UPROPERTY(Transient)
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TObjectPtr<UMaterialInstanceDynamic> WedgeMID = nullptr;
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bool bSliceEnabled = true;
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float CurrentHighlight = 0.f;
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}; |