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0a5ea36090
#jira UE-160830 #rb Dave.Jones2 #preflight 630e8c1a660db81edb9eb299 [CL 21725293 by Zak Middleton in ue5-main branch]
39 lines
1.7 KiB
C++
39 lines
1.7 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#include "SpringComponentVisualizer.h"
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#include "Components/ActorComponent.h"
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#include "Engine/EngineTypes.h"
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#include "Math/Axis.h"
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#include "Math/Color.h"
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#include "Math/Transform.h"
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#include "Math/UnrealMathSSE.h"
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#include "Math/Vector.h"
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#include "PhysicsEngine/PhysicsSpringComponent.h"
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#include "SceneManagement.h"
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#include "Templates/Casts.h"
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static const FColor DisabledColor(128, 128, 128);
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static const FColor CompressedColor(255, 0, 0);
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static const FColor RestColor(0, 255, 0);
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void FSpringComponentVisualizer::DrawVisualization( const UActorComponent* Component, const FSceneView* View, FPrimitiveDrawInterface* PDI )
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{
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if (const UPhysicsSpringComponent* SpringComp = Cast<const UPhysicsSpringComponent>(Component))
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{
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//interpolate color by compression
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const float CompressionNormalized = SpringComp->GetNormalizedCompressionScalar();
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uint8 R = FMath::Lerp(RestColor.R, CompressedColor.R, CompressionNormalized);
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uint8 G = FMath::Lerp(RestColor.G, CompressedColor.G, CompressionNormalized);
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uint8 B = FMath::Lerp(RestColor.B, CompressedColor.B, CompressionNormalized);
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const FColor CurrentColor = SpringComp->IsActive() ? FColor(R, G, B) : DisabledColor;
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//draw capsule for spring sweep
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const FTransform& WorldTM = SpringComp->GetComponentToWorld();
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const FVector SpringStart = WorldTM.GetLocation();
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const FVector SpringEnd = SpringComp->GetSpringCurrentEndPoint();
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const double HalfHeight = (SpringEnd - SpringStart).Size() * 0.5f + SpringComp->SpringRadius;
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DrawWireCapsule(PDI, FMath::Lerp(SpringStart, SpringEnd, 0.5f), WorldTM.GetUnitAxis(EAxis::Z), WorldTM.GetUnitAxis(EAxis::Y), WorldTM.GetUnitAxis(EAxis::X), CurrentColor, SpringComp->SpringRadius, HalfHeight, 25, SDPG_World);
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}
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}
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