49 lines
No EOL
1.5 KiB
C++
49 lines
No EOL
1.5 KiB
C++
// Copyright 2020 Phyronnaz
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#pragma once
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#include "CoreMinimal.h"
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#include "Kismet/BlueprintFunctionLibrary.h"
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#include "VoxelMathLibrary.generated.h"
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USTRUCT(BlueprintType, meta = (HasNativeMake = "Voxel.VoxelMathLibrary.MakeHaltonStream"))
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struct FVoxelHaltonStream
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{
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GENERATED_BODY()
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UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Config")
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int32 InitialSeed = 0;
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UPROPERTY()
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mutable uint32 Seed = 0;
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};
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UCLASS()
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class VOXEL_API UVoxelMathLibrary : public UBlueprintFunctionLibrary
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{
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GENERATED_BODY()
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public:
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/**
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* Generates a random position on the unit sphere, given some random input between 0 and 1
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* @param Random Random values, between 0 and 1. Can use RandomFloat, but also more complex noises like Halton or Sobol
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*/
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UFUNCTION(BlueprintPure, Category = "Voxel|Math|Random")
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static FVector GetUnitVectorFromRandom(FVector2D Random);
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public:
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UFUNCTION(BlueprintPure, meta = (Keywords = "construct build", NativeMakeFunc), Category = "Voxel|Math|Random")
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static FVoxelHaltonStream MakeHaltonStream(int32 InitialSeed);
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UFUNCTION(BlueprintCallable, Category = "Voxel|Math|Random")
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static void ResetHaltonStream(const FVoxelHaltonStream& Stream);
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UFUNCTION(BlueprintPure, Category = "Voxel|Math|Random")
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static float GetHalton1D(const FVoxelHaltonStream& Stream);
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UFUNCTION(BlueprintPure, Category = "Voxel|Math|Random")
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static FVector2D GetHalton2D(const FVoxelHaltonStream& Stream);
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UFUNCTION(BlueprintPure, Category = "Voxel|Math|Random")
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static FVector GetHalton3D(const FVoxelHaltonStream& Stream);
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}; |