DrawDebugHelpers.h File Reference

#include "CoreMinimal.h"
#include "Engine/EngineTypes.h"
#include "EngineDefines.h"

Go to the source code of this file.

Macros
#define	ENABLE_DRAW_DEBUG   UE_ENABLE_DEBUG_DRAWING

Functions
ENGINE_API void	FlushPersistentDebugLines (const UWorld *InWorld)
ENGINE_API void	DrawDebugLine (const UWorld *InWorld, FVector const &LineStart, FVector const &LineEnd, FColor const &Color, bool bPersistentLines=false, float LifeTime=-1.f, uint8 DepthPriority=0, float Thickness=0.f)
ENGINE_API void	DrawDebugPoint (const UWorld *InWorld, FVector const &Position, float Size, FColor const &PointColor, bool bPersistentLines=false, float LifeTime=-1.f, uint8 DepthPriority=0)
ENGINE_API void	DrawDebugDirectionalArrow (const UWorld *InWorld, FVector const &LineStart, FVector const &LineEnd, float ArrowSize, FColor const &Color, bool bPersistentLines=false, float LifeTime=-1.f, uint8 DepthPriority=0, float Thickness=0.f)
ENGINE_API void	DrawDebugBox (const UWorld *InWorld, FVector const &Center, FVector const &Extent, FColor const &Color, bool bPersistentLines=false, float LifeTime=-1.f, uint8 DepthPriority=0, float Thickness=0.f)
ENGINE_API void	DrawDebugBox (const UWorld *InWorld, FVector const &Center, FVector const &Extent, const FQuat &Rotation, FColor const &Color, bool bPersistentLines=false, float LifeTime=-1.f, uint8 DepthPriority=0, float Thickness=0.f)
ENGINE_API void	DrawDebugCoordinateSystem (const UWorld *InWorld, FVector const &AxisLoc, FRotator const &AxisRot, float Scale, bool bPersistentLines=false, float LifeTime=-1.f, uint8 DepthPriority=0, float Thickness=0.f)
ENGINE_API void	DrawDebugCrosshairs (const UWorld *InWorld, FVector const &AxisLoc, FRotator const &AxisRot, float Scale, const FColor &Color=FColor::White, bool bPersistentLines=false, float LifeTime=-1.f, uint8 DepthPriority=0)
ENGINE_API void	DrawDebugCircle (const UWorld *InWorld, const FMatrix &TransformMatrix, double Radius, int32 Segments, const FColor &Color, bool bPersistentLines=false, float LifeTime=-1.f, uint8 DepthPriority=0, float Thickness=0.f, bool bDrawAxis=true)
ENGINE_API void	DrawDebugCircle (const UWorld *InWorld, FVector Center, double Radius, int32 Segments, const FColor &Color, bool bPersistentLines=false, float LifeTime=-1.f, uint8 DepthPriority=0, float Thickness=0.f, FVector YAxis=FVector(0.f, 1.f, 0.f), FVector ZAxis=FVector(0.f, 0.f, 1.f), bool bDrawAxis=true)
ENGINE_API void	DrawDebugCircleArc (const UWorld *InWorld, const FVector &Center, float Radius, const FVector &Direction, float AngleWidth, int32 Segments, const FColor &Color, bool PersistentLines=false, float LifeTime=-1.f, uint8 DepthPriority=0, float Thickness=0.f)
ENGINE_API void	DrawDebugCircleArc (const UWorld *InWorld, const FVector &Center, float Radius, const FQuat &Rotation, float AngleWidth, int32 Segments, const FColor &Color, bool PersistentLines=false, float LifeTime=-1.f, uint8 DepthPriority=0, float Thickness=0.f)
ENGINE_API void	DrawDebug2DDonut (const UWorld *InWorld, const FMatrix &TransformMatrix, float InnerRadius, float OuterRadius, int32 Segments, const FColor &Color, bool bPersistentLines=false, float LifeTime=-1.f, uint8 DepthPriority=0, float Thickness=0.f)
ENGINE_API void	DrawDebugSphere (const UWorld *InWorld, FVector const &Center, float Radius, int32 Segments, FColor const &Color, bool bPersistentLines=false, float LifeTime=-1.f, uint8 DepthPriority=0, float Thickness=0.f)
ENGINE_API void	DrawDebugCylinder (const UWorld *InWorld, FVector const &Start, FVector const &End, float Radius, int32 Segments, FColor const &Color, bool bPersistentLines=false, float LifeTime=-1.f, uint8 DepthPriority=0, float Thickness=0.f)
ENGINE_API void	DrawDebugCone (const UWorld *InWorld, FVector const &Origin, FVector const &Direction, float Length, float AngleWidth, float AngleHeight, int32 NumSides, FColor const &Color, bool bPersistentLines=false, float LifeTime=-1.f, uint8 DepthPriority=0, float Thickness=0.f)
ENGINE_API void	DrawDebugAltCone (const UWorld *InWorld, FVector const &Origin, FRotator const &Rotation, float Length, float AngleWidth, float AngleHeight, FColor const &DrawColor, bool bPersistentLines=false, float LifeTime=-1.f, uint8 DepthPriority=0, float Thickness=0.f)
ENGINE_API void	DrawDebugString (const UWorld *InWorld, FVector const &TextLocation, const FString &Text, class AActor *TestBaseActor=NULL, FColor const &TextColor=FColor::White, float Duration=-1.000000, bool bDrawShadow=false, float FontScale=1.f)
ENGINE_API void	DrawDebugFrustum (const UWorld *InWorld, const FMatrix &FrustumToWorld, FColor const &Color, bool bPersistentLines=false, float LifeTime=-1.f, uint8 DepthPriority=0, float Thickness=0.f)
ENGINE_API void	DrawCircle (const UWorld *InWorld, const FVector &Base, const FVector &X, const FVector &Y, const FColor &Color, double Radius, int32 NumSides, bool bPersistentLines=false, float LifeTime=-1.f, uint8 DepthPriority=0, float Thickness=0)
ENGINE_API void	DrawDebugCapsule (const UWorld *InWorld, FVector const &Center, float HalfHeight, float Radius, const FQuat &Rotation, FColor const &Color, bool bPersistentLines=false, float LifeTime=-1.f, uint8 DepthPriority=0, float Thickness=0)
ENGINE_API void	DrawDebugCamera (const UWorld *InWorld, FVector const &Location, FRotator const &Rotation, float FOVDeg, float Scale=1.f, FColor const &Color=FColor::White, bool bPersistentLines=false, float LifeTime=-1.f, uint8 DepthPriority=0)
ENGINE_API void	DrawCentripetalCatmullRomSpline (const UWorld *InWorld, TConstArrayView< FVector > Points, FColor const &Color, float Alpha=0.5f, int32 NumSamplesPerSegment=8, bool bPersistentLines=false, float LifeTime=-1.f, uint8 DepthPriority=0, float Thickness=0.f)
ENGINE_API void	DrawCentripetalCatmullRomSpline (const UWorld *InWorld, TConstArrayView< FVector > Points, TConstArrayView< FColor > Colors, float Alpha=0.5f, int32 NumSamplesPerSegment=8, bool bPersistentLines=false, float LifeTime=-1.f, uint8 DepthPriority=0, float Thickness=0.f)
ENGINE_API void	FlushDebugStrings (const UWorld *InWorld)
ENGINE_API void	DrawDebugSolidBox (const UWorld *InWorld, FBox const &Box, FColor const &Color, const FTransform &Transform=FTransform::Identity, bool bPersistent=false, float LifeTime=-1.f, uint8 DepthPriority=0)
ENGINE_API void	DrawDebugSolidBox (const UWorld *InWorld, FVector const &Center, FVector const &Extent, FColor const &Color, bool bPersistent=false, float LifeTime=-1.f, uint8 DepthPriority=0)
ENGINE_API void	DrawDebugSolidBox (const UWorld *InWorld, FVector const &Center, FVector const &Extent, FQuat const &Rotation, FColor const &Color, bool bPersistent=false, float LifeTime=-1.f, uint8 DepthPriority=0)
ENGINE_API void	DrawDebugMesh (const UWorld *InWorld, TArray< FVector > const &Verts, TArray< int32 > const &Indices, FColor const &Color, bool bPersistent=false, float LifeTime=-1.f, uint8 DepthPriority=0)
ENGINE_API void	DrawDebugSolidPlane (const UWorld *InWorld, FPlane const &P, FVector const &Loc, float Size, FColor const &Color, bool bPersistent=false, float LifeTime=-1, uint8 DepthPriority=0)
ENGINE_API void	DrawDebugSolidPlane (const UWorld *InWorld, FPlane const &P, FVector const &Loc, FVector2D const &Extents, FColor const &Color, bool bPersistent=false, float LifeTime=-1, uint8 DepthPriority=0)
ENGINE_API void	DrawDebugFloatHistory (UWorld const &WorldRef, FDebugFloatHistory const &FloatHistory, FTransform const &DrawTransform, FVector2D const &DrawSize, FColor const &DrawColor, bool const &bPersistent=false, float const &LifeTime=-1.f, uint8 const &DepthPriority=0)
ENGINE_API void	DrawDebugFloatHistory (UWorld const &WorldRef, FDebugFloatHistory const &FloatHistory, FVector const &DrawLocation, FVector2D const &DrawSize, FColor const &DrawColor, bool const &bPersistent=false, float const &LifeTime=-1.f, uint8 const &DepthPriority=0)
ENGINE_API void	DrawDebugCanvas2DLine (UCanvas *Canvas, const FVector &Start, const FVector &End, const FLinearColor &LineColor)
ENGINE_API void	DrawDebugCanvas2DLine (UCanvas *Canvas, const FVector2D &StartPosition, const FVector2D &EndPosition, const FLinearColor &LineColor, const float &LineThickness=1.f)
ENGINE_API void	DrawDebugCanvas2DCircle (UCanvas *Canvas, const FVector2D &Center, float Radius, int32 NumSides, const FLinearColor &LineColor, const float &LineThickness=1.f)
ENGINE_API void	DrawDebugCanvas2DBox (UCanvas *Canvas, const FBox2D &Box, const FLinearColor &LineColor, const float &LineThickness=1.f)
ENGINE_API void	DrawDebugCanvasLine (UCanvas *Canvas, const FVector &Start, const FVector &End, const FLinearColor &LineColor)
ENGINE_API void	DrawDebugCanvasCircle (UCanvas *Canvas, const FVector &Base, const FVector &X, const FVector &Y, FColor Color, float Radius, int32 NumSides)
ENGINE_API void	DrawDebugCanvasHalfCircle (UCanvas *Canvas, const FVector &Base, const FVector &X, const FVector &Y, FColor Color, float Radius, int32 NumSides)
ENGINE_API void	DrawDebugCanvasWireSphere (UCanvas *Canvas, const FVector &Base, FColor Color, float Radius, int32 NumSides)
ENGINE_API void	DrawDebugCanvasWireCone (UCanvas *Canvas, const FTransform &Transform, float ConeRadius, float ConeAngle, int32 ConeSides, FColor Color)
ENGINE_API void	DrawDebugCanvasWireBox (UCanvas *Canvas, const FMatrix &Transform, const FBox &Box, FColor Color)
ENGINE_API void	DrawDebugCanvasCapsule (UCanvas *Canvas, const FMatrix &Transform, float HalfLength, float Radius, const FColor &LineColor)

Macro Definition Documentation

ENABLE_DRAW_DEBUG

#define ENABLE_DRAW_DEBUG   UE_ENABLE_DEBUG_DRAWING

Function Documentation

DrawCentripetalCatmullRomSpline() [1/2]

ENGINE_API void DrawCentripetalCatmullRomSpline	(	const UWorld *	InWorld,
		TConstArrayView< FVector >	Points,
		FColor const &	Color,
		float	Alpha = 0.5f,
		int32	NumSamplesPerSegment = 8,
		bool	bPersistentLines = false,
		float	LifeTime = -1.f,
		uint8	DepthPriority = 0,
		float	Thickness = 0.f
	)

Draw a centripetal catmull rom spline. Alpha values between 0 and 1

DrawCentripetalCatmullRomSpline() [2/2]

ENGINE_API void DrawCentripetalCatmullRomSpline	(	const UWorld *	InWorld,
		TConstArrayView< FVector >	Points,
		TConstArrayView< FColor >	Colors,
		float	Alpha = 0.5f,
		int32	NumSamplesPerSegment = 8,
		bool	bPersistentLines = false,
		float	LifeTime = -1.f,
		uint8	DepthPriority = 0,
		float	Thickness = 0.f
	)

DrawCircle()

ENGINE_API void DrawCircle	(	const UWorld *	InWorld,
		const FVector &	Base,
		const FVector &	X,
		const FVector &	Y,
		const FColor &	Color,
		double	Radius,
		int32	NumSides,
		bool	bPersistentLines = false,
		float	LifeTime = -1.f,
		uint8	DepthPriority = 0,
		float	Thickness = 0
	)

Draw a circle using user define axis and radius

DrawDebug2DDonut()

ENGINE_API void DrawDebug2DDonut	(	const UWorld *	InWorld,
		const FMatrix &	TransformMatrix,
		float	InnerRadius,
		float	OuterRadius,
		int32	Segments,
		const FColor &	Color,
		bool	bPersistentLines = false,
		float	LifeTime = -1.f,
		uint8	DepthPriority = 0,
		float	Thickness = 0.f
	)

Draw Debug 2D donut

DrawDebugAltCone()

ENGINE_API void DrawDebugAltCone	(	const UWorld *	InWorld,
		FVector const &	Origin,
		FRotator const &	Rotation,
		float	Length,
		float	AngleWidth,
		float	AngleHeight,
		FColor const &	DrawColor,
		bool	bPersistentLines = false,
		float	LifeTime = -1.f,
		uint8	DepthPriority = 0,
		float	Thickness = 0.f
	)

Used by gameplay when defining a cone by a vertical and horizontal dot products.

DrawDebugBox() [1/2]

ENGINE_API void DrawDebugBox	(	const UWorld *	InWorld,
		FVector const &	Center,
		FVector const &	Extent,
		const FQuat &	Rotation,
		FColor const &	Color,
		bool	bPersistentLines = false,
		float	LifeTime = -1.f,
		uint8	DepthPriority = 0,
		float	Thickness = 0.f
	)

Draw a debug box with rotation

DrawDebugBox() [2/2]

ENGINE_API void DrawDebugBox	(	const UWorld *	InWorld,
		FVector const &	Center,
		FVector const &	Extent,
		FColor const &	Color,
		bool	bPersistentLines = false,
		float	LifeTime = -1.f,
		uint8	DepthPriority = 0,
		float	Thickness = 0.f
	)

Draw a debug box

DrawDebugCamera()

ENGINE_API void DrawDebugCamera	(	const UWorld *	InWorld,
		FVector const &	Location,
		FRotator const &	Rotation,
		float	FOVDeg,
		float	Scale = 1.f,
		FColor const &	Color = FColor::White,
		bool	bPersistentLines = false,
		float	LifeTime = -1.f,
		uint8	DepthPriority = 0
	)

Draw a debug camera shape. FOV is full angle in degrees.

DrawDebugCanvas2DBox()

ENGINE_API void DrawDebugCanvas2DBox	(	UCanvas *	Canvas,
		const FBox2D &	Box,
		const FLinearColor &	LineColor,
		const float &	LineThickness = 1.f
	)

DrawDebugCanvas2DCircle()

ENGINE_API void DrawDebugCanvas2DCircle	(	UCanvas *	Canvas,
		const FVector2D &	Center,
		float	Radius,
		int32	NumSides,
		const FLinearColor &	LineColor,
		const float &	LineThickness = 1.f
	)

DrawDebugCanvas2DLine() [1/2]

ENGINE_API void DrawDebugCanvas2DLine	(	UCanvas *	Canvas,
		const FVector &	Start,
		const FVector &	End,
		const FLinearColor &	LineColor
	)

Draws a 2D line on a canvas

Parameters

Canvas	The Canvas to draw on
Start	The start of the line in screen space
End	The end of the line in screen space
LineColor	The color to use for the line

DrawDebugCanvas2DLine() [2/2]

ENGINE_API void DrawDebugCanvas2DLine	(	UCanvas *	Canvas,
		const FVector2D &	StartPosition,
		const FVector2D &	EndPosition,
		const FLinearColor &	LineColor,
		const float &	LineThickness = 1.f
	)

DrawDebugCanvasCapsule()

ENGINE_API void DrawDebugCanvasCapsule	(	UCanvas *	Canvas,
		const FMatrix &	Transform,
		float	HalfLength,
		float	Radius,
		const FColor &	LineColor
	)

Draws a capsule using lines.

Parameters

Canvas	The Canvas to draw on.
Transform	Transform to apply to the capsule.
HalfLength	Distance from the center of the capsule to the tip (including the cap)
Radius	Radius of the capsule.
Color	Color of the capsule.

DrawDebugCanvasCircle()

ENGINE_API void DrawDebugCanvasCircle	(	UCanvas *	Canvas,
		const FVector &	Base,
		const FVector &	X,
		const FVector &	Y,
		FColor	Color,
		float	Radius,
		int32	NumSides
	)

Draws a circle using lines.

Parameters

Canvas	The Canvas to draw on.
Base	Center of the circle.
X	X alignment axis to draw along.
Y	Y alignment axis to draw along.
Color	Color of the circle.
Radius	Radius of the circle.
NumSides	Numbers of sides that the circle has.

DrawDebugCanvasHalfCircle()

ENGINE_API void DrawDebugCanvasHalfCircle	(	UCanvas *	Canvas,
		const FVector &	Base,
		const FVector &	X,
		const FVector &	Y,
		FColor	Color,
		float	Radius,
		int32	NumSides
	)

Draws a half circle using lines.

Parameters

Canvas	The Canvas to draw on.
Base	Center of the circle.
X	X alignment axis to draw along.
Y	Y alignment axis to draw along.
Color	Color of the circle.
Radius	Radius of the circle.
NumSides	Numbers of sides that the circle has.

DrawDebugCanvasLine()

ENGINE_API void DrawDebugCanvasLine	(	UCanvas *	Canvas,
		const FVector &	Start,
		const FVector &	End,
		const FLinearColor &	LineColor
	)

Draws a line on a canvas.

Parameters

Canvas	The Canvas to draw on.
Start	The start of the line in world space
End	The end of the line in world space
LineColor	The color to use for the line

DrawDebugCanvasWireBox()

ENGINE_API void DrawDebugCanvasWireBox	(	UCanvas *	Canvas,
		const FMatrix &	Transform,
		const FBox &	Box,
		FColor	Color
	)

Draws a box using lines.

Parameters

Canvas	The Canvas to draw on.
Transform	Transform to apply to the capsule.
Box	The box to be drawn.
Color	Color of the capsule.

DrawDebugCanvasWireCone()

ENGINE_API void DrawDebugCanvasWireCone	(	UCanvas *	Canvas,
		const FTransform &	Transform,
		float	ConeRadius,
		float	ConeAngle,
		int32	ConeSides,
		FColor	Color
	)

Draws a wireframe cone

Parameters

Canvas	Canvas to draw on
Transform	Generic transform to apply (ex. a local-to-world transform).
ConeRadius	Radius of the cone.
ConeAngle	Angle of the cone.
ConeSides	Numbers of sides that the cone has.
Color	Color of the cone.

DrawDebugCanvasWireSphere()

ENGINE_API void DrawDebugCanvasWireSphere	(	UCanvas *	Canvas,
		const FVector &	Base,
		FColor	Color,
		float	Radius,
		int32	NumSides
	)

Draws a sphere using circles.

Parameters

Canvas	The Canvas to draw on.
Base	Center of the sphere.
Color	Color of the sphere.
Radius	Radius of the sphere.
NumSides	Numbers of sides that the circle has.

DrawDebugCapsule()

ENGINE_API void DrawDebugCapsule	(	const UWorld *	InWorld,
		FVector const &	Center,
		float	HalfHeight,
		float	Radius,
		const FQuat &	Rotation,
		FColor const &	Color,
		bool	bPersistentLines = false,
		float	LifeTime = -1.f,
		uint8	DepthPriority = 0,
		float	Thickness = 0
	)

Draw a capsule using the LineBatcher

DrawDebugCircle() [1/2]

ENGINE_API void DrawDebugCircle	(	const UWorld *	InWorld,
		const FMatrix &	TransformMatrix,
		double	Radius,
		int32	Segments,
		const FColor &	Color,
		bool	bPersistentLines = false,
		float	LifeTime = -1.f,
		uint8	DepthPriority = 0,
		float	Thickness = 0.f,
		bool	bDrawAxis = true
	)

Draw Debug Circle

DrawDebugCircle() [2/2]

ENGINE_API void DrawDebugCircle	(	const UWorld *	InWorld,
		FVector	Center,
		double	Radius,
		int32	Segments,
		const FColor &	Color,
		bool	bPersistentLines = false,
		float	LifeTime = -1.f,
		uint8	DepthPriority = 0,
		float	Thickness = 0.f,
		FVector	YAxis = FVector(0.f, 1.f, 0.f),
		FVector	ZAxis = FVector(0.f, 0.f, 1.f),
		bool	bDrawAxis = true
	)

Draw Debug Circle

DrawDebugCircleArc() [1/2]

ENGINE_API void DrawDebugCircleArc	(	const UWorld *	InWorld,
		const FVector &	Center,
		float	Radius,
		const FQuat &	Rotation,
		float	AngleWidth,
		int32	Segments,
		const FColor &	Color,
		bool	PersistentLines = false,
		float	LifeTime = -1.f,
		uint8	DepthPriority = 0,
		float	Thickness = 0.f
	)

DrawDebugCircleArc() [2/2]

ENGINE_API void DrawDebugCircleArc	(	const UWorld *	InWorld,
		const FVector &	Center,
		float	Radius,
		const FVector &	Direction,
		float	AngleWidth,
		int32	Segments,
		const FColor &	Color,
		bool	PersistentLines = false,
		float	LifeTime = -1.f,
		uint8	DepthPriority = 0,
		float	Thickness = 0.f
	)

Draw Debug Circle Arc

DrawDebugCone()

ENGINE_API void DrawDebugCone	(	const UWorld *	InWorld,
		FVector const &	Origin,
		FVector const &	Direction,
		float	Length,
		float	AngleWidth,
		float	AngleHeight,
		int32	NumSides,
		FColor const &	Color,
		bool	bPersistentLines = false,
		float	LifeTime = -1.f,
		uint8	DepthPriority = 0,
		float	Thickness = 0.f
	)

Draw a debug cone. AngleWidth and AngleHeight are given in radians

DrawDebugCoordinateSystem()

ENGINE_API void DrawDebugCoordinateSystem	(	const UWorld *	InWorld,
		FVector const &	AxisLoc,
		FRotator const &	AxisRot,
		float	Scale,
		bool	bPersistentLines = false,
		float	LifeTime = -1.f,
		uint8	DepthPriority = 0,
		float	Thickness = 0.f
	)

Draw Debug coordinate system

DrawDebugCrosshairs()

ENGINE_API void DrawDebugCrosshairs	(	const UWorld *	InWorld,
		FVector const &	AxisLoc,
		FRotator const &	AxisRot,
		float	Scale,
		const FColor &	Color = FColor::White,
		bool	bPersistentLines = false,
		float	LifeTime = -1.f,
		uint8	DepthPriority = 0
	)

Draw Debug crosshair

DrawDebugCylinder()

ENGINE_API void DrawDebugCylinder	(	const UWorld *	InWorld,
		FVector const &	Start,
		FVector const &	End,
		float	Radius,
		int32	Segments,
		FColor const &	Color,
		bool	bPersistentLines = false,
		float	LifeTime = -1.f,
		uint8	DepthPriority = 0,
		float	Thickness = 0.f
	)

Draw a debug cylinder

DrawDebugDirectionalArrow()

ENGINE_API void DrawDebugDirectionalArrow	(	const UWorld *	InWorld,
		FVector const &	LineStart,
		FVector const &	LineEnd,
		float	ArrowSize,
		FColor const &	Color,
		bool	bPersistentLines = false,
		float	LifeTime = -1.f,
		uint8	DepthPriority = 0,
		float	Thickness = 0.f
	)

Draw directional arrow

DrawDebugFloatHistory() [1/2]

ENGINE_API void DrawDebugFloatHistory	(	UWorld const &	WorldRef,
		FDebugFloatHistory const &	FloatHistory,
		FTransform const &	DrawTransform,
		FVector2D const &	DrawSize,
		FColor const &	DrawColor,
		bool const &	bPersistent = false,
		float const &	LifeTime = -1.f,
		uint8 const &	DepthPriority = 0
	)

DrawDebugFloatHistory() [2/2]

ENGINE_API void DrawDebugFloatHistory	(	UWorld const &	WorldRef,
		FDebugFloatHistory const &	FloatHistory,
		FVector const &	DrawLocation,
		FVector2D const &	DrawSize,
		FColor const &	DrawColor,
		bool const &	bPersistent = false,
		float const &	LifeTime = -1.f,
		uint8 const &	DepthPriority = 0
	)

DrawDebugFrustum()

ENGINE_API void DrawDebugFrustum	(	const UWorld *	InWorld,
		const FMatrix &	FrustumToWorld,
		FColor const &	Color,
		bool	bPersistentLines = false,
		float	LifeTime = -1.f,
		uint8	DepthPriority = 0,
		float	Thickness = 0.f
	)

DrawDebugLine()

ENGINE_API void DrawDebugLine	(	const UWorld *	InWorld,
		FVector const &	LineStart,
		FVector const &	LineEnd,
		FColor const &	Color,
		bool	bPersistentLines = false,
		float	LifeTime = -1.f,
		uint8	DepthPriority = 0,
		float	Thickness = 0.f
	)

Draw a debug line

DrawDebugMesh()

ENGINE_API void DrawDebugMesh	(	const UWorld *	InWorld,
		TArray< FVector > const &	Verts,
		TArray< int32 > const &	Indices,
		FColor const &	Color,
		bool	bPersistent = false,
		float	LifeTime = -1.f,
		uint8	DepthPriority = 0
	)

DrawDebugPoint()

ENGINE_API void DrawDebugPoint	(	const UWorld *	InWorld,
		FVector const &	Position,
		float	Size,
		FColor const &	PointColor,
		bool	bPersistentLines = false,
		float	LifeTime = -1.f,
		uint8	DepthPriority = 0
	)

Draw a debug point

DrawDebugSolidBox() [1/3]

ENGINE_API void DrawDebugSolidBox	(	const UWorld *	InWorld,
		FBox const &	Box,
		FColor const &	Color,
		const FTransform &	Transform = FTransform::Identity,
		bool	bPersistent = false,
		float	LifeTime = -1.f,
		uint8	DepthPriority = 0
	)

Draw a solid box. Various API's provided for convenience, including ones that use FBox as well as ones that prefer (Center, Extent). Draw a Debug box with optional transform.

DrawDebugSolidBox() [2/3]

ENGINE_API void DrawDebugSolidBox	(	const UWorld *	InWorld,
		FVector const &	Center,
		FVector const &	Extent,
		FColor const &	Color,
		bool	bPersistent = false,
		float	LifeTime = -1.f,
		uint8	DepthPriority = 0
	)

Draw a Debug box from (Center, Extent) with no rotation (axis-aligned)

DrawDebugSolidBox() [3/3]

ENGINE_API void DrawDebugSolidBox	(	const UWorld *	InWorld,
		FVector const &	Center,
		FVector const &	Extent,
		FQuat const &	Rotation,
		FColor const &	Color,
		bool	bPersistent = false,
		float	LifeTime = -1.f,
		uint8	DepthPriority = 0
	)

Draw a Debug box from (Center, Extent) with specified Rotation

DrawDebugSolidPlane() [1/2]

ENGINE_API void DrawDebugSolidPlane	(	const UWorld *	InWorld,
		FPlane const &	P,
		FVector const &	Loc,
		float	Size,
		FColor const &	Color,
		bool	bPersistent = false,
		float	LifeTime = -1,
		uint8	DepthPriority = 0
	)

DrawDebugSolidPlane() [2/2]

ENGINE_API void DrawDebugSolidPlane	(	const UWorld *	InWorld,
		FPlane const &	P,
		FVector const &	Loc,
		FVector2D const &	Extents,
		FColor const &	Color,
		bool	bPersistent = false,
		float	LifeTime = -1,
		uint8	DepthPriority = 0
	)

DrawDebugSphere()

ENGINE_API void DrawDebugSphere	(	const UWorld *	InWorld,
		FVector const &	Center,
		float	Radius,
		int32	Segments,
		FColor const &	Color,
		bool	bPersistentLines = false,
		float	LifeTime = -1.f,
		uint8	DepthPriority = 0,
		float	Thickness = 0.f
	)

Draw a debug sphere

DrawDebugString()

ENGINE_API void DrawDebugString	(	const UWorld *	InWorld,
		FVector const &	TextLocation,
		const FString &	Text,
		class AActor *	TestBaseActor = NULL,
		FColor const &	TextColor = FColor::White,
		float	Duration = -1.000000,
		bool	bDrawShadow = false,
		float	FontScale = 1.f
	)

FlushDebugStrings()

ENGINE_API void FlushDebugStrings

(

const UWorld *

InWorld

)

FlushPersistentDebugLines()

ENGINE_API void FlushPersistentDebugLines

(

const UWorld *

InWorld

)

Flush persistent lines