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#rb none #rnx #jira none #preflight 60c52c5db9446100014da02d [CL 16653115 by Ryan Schmidt in ue5-main branch]
106 lines
4.2 KiB
C++
106 lines
4.2 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "CoreMinimal.h"
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#include "DynamicMesh/DynamicMeshAttributeSet.h"
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#include "FrameTypes.h"
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#include "ToolContextInterfaces.h" // for FViewCameraState
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class FPrimitiveDrawInterface;
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using UE::Geometry::FDynamicMesh3;
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using UE::Geometry::FDynamicMeshNormalOverlay;
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/**
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* drawing utility functions useful for debugging. These are generally not performant.
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*/
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namespace MeshDebugDraw
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{
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using namespace UE::Geometry;
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/**
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* Draw normals of mesh overlay as lines
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* @param Overlay The overlay that provides the normals (and mesh positions)
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* @param Length length of the lines in world space
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* @param Color color of the lines
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* @param Thickness thickness of the lines
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* @param bScreenSpace is the thickness in pixel or world space
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* @param PDI drawing interface
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* @param Transform transform applied to the line endpoints
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*/
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void MODELINGCOMPONENTS_API DrawNormals(
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const FDynamicMeshNormalOverlay* Overlay,
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float Length, FColor Color, float Thickness, bool bScreenSpace,
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FPrimitiveDrawInterface* PDI, const FTransform& Transform);
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/**
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* Draw vertices of mesh as points
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* @param Mesh The Mesh that provides the vertices
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* @param Indices the list of indices
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* @param PointSize the size of the points in screen space
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* @param Color color of the lines
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* @param PDI drawing interface
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* @param Transform transform applied to the vertex positions
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*/
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void MODELINGCOMPONENTS_API DrawVertices(
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const FDynamicMesh3* Mesh, const TArray<int>& Indices,
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float PointSize, FColor Color,
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FPrimitiveDrawInterface* PDI, const FTransform& Transform);
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void MODELINGCOMPONENTS_API DrawVertices(
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const FDynamicMesh3* Mesh, const TSet<int>& Indices,
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float PointSize, FColor Color,
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FPrimitiveDrawInterface* PDI, const FTransform& Transform);
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/**
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* Draw mesh triangle centroids as points
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* @param Mesh The Mesh that provides the vertices
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* @param Indices the list of triangle indices
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* @param PointSize the size of the points in screen space
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* @param Color color of the lines
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* @param PDI drawing interface
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* @param Transform transform applied to the centroid positions
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*/
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void MODELINGCOMPONENTS_API DrawTriCentroids(
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const FDynamicMesh3* Mesh, const TArray<int>& Indices,
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float PointSize, FColor Color,
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FPrimitiveDrawInterface* PDI, const FTransform& Transform);
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/**
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* Draw a basic 2D grid with a number of lines at given spacing
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* @param LocalFrame Pre-transform frame of grid (grid lies in XY plane).
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* @param GridLines number of grid lines. If odd, there is a center-line, if even then frame center is at center of a grid square
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* @param GridLineSpacing spacing size between grid lines
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* @param LineWidth thickness of the lines in screen space
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* @param Color color of the lines
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* @param DepthPriority drawing depth priority
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* @param PDI drawing interface
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* @param Transform transform applied to LocalFrame. Pass as Identity() if you have world frame.
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*/
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void MODELINGCOMPONENTS_API DrawSimpleGrid(
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const FFrame3f& LocalFrame, int GridLines, float GridLineSpacing,
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float LineWidth, FColor Color, bool bDepthTested,
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FPrimitiveDrawInterface* PDI, const FTransform& Transform);
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/**
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* Draw a basic 2D grid with a given number of lines that covers roughly a constant area of the screen
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* @param CameraState camera state, required to size grid appropriately
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* @param LocalFrame Pre-transform frame of grid (grid lies in XY plane).
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* @param GridLines number of grid lines. If odd, there is a center-line, if even then frame center is at center of a grid square
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* @param VisualAngleSpan visual angle that grid should cover (in degrees, relative to default 90-degree FOV)
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* @param LineWidth thickness of the lines in screen space
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* @param Color color of the lines
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* @param DepthPriority drawing depth priority
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* @param PDI drawing interface
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* @param Transform transform applied to LocalFrame. Pass as Identity() if you have world frame.
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*/
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void MODELINGCOMPONENTS_API DrawSimpleFixedScreenAreaGrid(
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const FViewCameraState& CameraState,
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const FFrame3f& LocalFrame, int32 NumGridLines, float VisualAngleSpan,
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float LineWidth, FColor Color, bool bDepthTested,
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FPrimitiveDrawInterface* PDI, const FTransform& Transform);
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} |