48 lines
1.6 KiB
C
48 lines
1.6 KiB
C
|
// Copyright 2020-2024 CesiumGS, Inc. and Contributors
|
||
|
|
|
||
|
|
#pragma once
|
||
|
|
|
||
|
|
#include "CoreMinimal.h"
|
||
|
|
#include <Cesium3DTilesSelection/BoundingVolume.h>
|
||
|
|
#include "CesiumTile.generated.h"
|
||
|
|
|
||
|
|
/**
|
||
|
|
* A UObject representation of a Cesium Tile.
|
||
|
|
* This class provides an interface for accessing properties of a Cesium Tile
|
||
|
|
* from within Unreal Engine. It exposes the Bounds property, which can be
|
||
|
|
* accessed from Blueprints, and provides a helper function for testing
|
||
|
|
* intersection with a primitive component.
|
||
|
|
*/
|
||
|
|
UCLASS()
|
||
|
|
class CESIUMRUNTIME_API UCesiumTile : public UPrimitiveComponent {
|
||
|
|
GENERATED_BODY()
|
||
|
|
|
||
|
|
glm::dmat4 _tileTransform;
|
||
|
|
|
||
|
|
Cesium3DTilesSelection::BoundingVolume _tileBounds =
|
||
|
|
CesiumGeometry::OrientedBoundingBox(glm::dvec3(0.0), glm::dmat3(1.0));
|
||
|
|
|
||
|
|
public:
|
||
|
|
/**
|
||
|
|
* Tests whether a primitive component overlaps with this tile using a sphere
|
||
|
|
* and box comparison. This function provides a convenient way to test for
|
||
|
|
* intersection between a primitive component and this tile.
|
||
|
|
*/
|
||
|
|
UFUNCTION(BlueprintCallable, Category = "Cesium")
|
||
|
|
bool TileBoundsOverlapsPrimitive(const UPrimitiveComponent* Other) const;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Checks if this tile is fully inside the given primitive component using a
|
||
|
|
* sphere and box comparison. It uses the FBox::IsInside function to compare
|
||
|
|
* the FBox of the component and the tile's bounds.
|
||
|
|
*/
|
||
|
|
UFUNCTION(BlueprintCallable, Category = "Cesium")
|
||
|
|
bool
|
||
|
|
PrimitiveBoxFullyContainsTileBounds(const UPrimitiveComponent* Other) const;
|
||
|
|
|
||
|
|
virtual FBoxSphereBounds
|
||
|
|
CalcBounds(const FTransform& LocalToWorld) const override;
|
||
|
|
|
||
|
|
friend class CesiumTileExcluderAdapter;
|
||
|
|
};
|