.

Source/drivesafe/Private/CustomGameMode.cpp

@@ -27,6 +27,7 @@ void ACustomGameMode::BeginPlay()
 	PlaceUnspawnCollisionBox();
 	PlaceScoreCollisionBox();
 	CreateInitialRoadTiles();
+	CreateInitialDiamondSquare();
 	PlacePlayerCar();
 	PlaceTrafficVehicle();
 }
@@ -180,6 +181,22 @@ void ACustomGameMode::CreateInitialRoadTiles()
 	}
 }
 
+void ACustomGameMode::CreateInitialDiamondSquare()
+{
+	for (int i = 0; i < 5; i++)
+	{
+		UWorld* World = GetWorld();
+		if (World)
+		{
+			FVector SpawnPosition = FVector(0.0f, i * 10000, 0.0f);
+			FActorSpawnParameters SpawnParams;
+			SpawnParams.SpawnCollisionHandlingOverride = ESpawnActorCollisionHandlingMethod::AlwaysSpawn;
+			ADiamondSquare* DiamondSquare = World->SpawnActor<ADiamondSquare>(DiamondSquareClass, FTransform(FRotator(), SpawnPosition), SpawnParams);
+			DiamondSquare->startY = i * 100;
+		}
+	}
+}
+
 void ACustomGameMode::AddRoadTileRow()
 {
 	ACustomGameState* CustomGameState = GetGameState<ACustomGameState>();

Source/drivesafe/Private/DiamondSquare.cpp

@@ -5,6 +5,8 @@
 #include "ProceduralMeshComponent.h"
 #include "KismetProceduralMeshLibrary.h"
 
+float ADiamondSquare::Y = 0.0f;
+
 // Sets default values
 ADiamondSquare::ADiamondSquare()
 {
@@ -13,6 +15,8 @@ ADiamondSquare::ADiamondSquare()
 
 	ProceduralMesh = CreateDefaultSubobject<UProceduralMeshComponent>(TEXT("ProceduralMesh"));
 	ProceduralMesh->SetupAttachment(GetRootComponent());
+
+	ADiamondSquare::Y++;
 }
 
 // Called when the game starts or when spawned
@@ -76,7 +80,7 @@ void ADiamondSquare::CreateVertices()
 		for (int y = 0; y <= YSize; y++)
 		{
 			// Gnration du bruit de Perlin
-			float noise = (FMath::PerlinNoise2D(FVector2D(x * NoiseScale + 0.1, y * NoiseScale + 0.1)) + 1.0f) * ZMultiplier;
+			float noise = (FMath::PerlinNoise2D(FVector2D(x * NoiseScale, (startY + y) *NoiseScale)) + 1.0f) * ZMultiplier;
 
 			// Modulation par la courbe de Gauss
 			float z = noise * sigmoidFactor;

Source/drivesafe/Public/CustomGameMode.h

@@ -5,6 +5,7 @@
 #include "CustomGameState.h"
 #include "RoadTile.h"
 #include "PlayerCar.h"
+#include "DiamondSquare.h"
 #include "TrafficVehicle.h"
 
 #include "CoreMinimal.h"
@@ -35,6 +36,9 @@ public:
 	UPROPERTY(EditAnywhere, Category = "Spawnable Class")
 	TSubclassOf<APlayerCar> PlayerCarClass;
 
+	UPROPERTY(EditAnywhere, Category = "Spawnable Class")
+	TSubclassOf<ADiamondSquare> DiamondSquareClass;
+
 	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Spawnable Class")
 	TArray<TSubclassOf<ATrafficVehicle>> TrafficVehiclesClasses;
 
@@ -73,6 +77,7 @@ private:
 
 private:
 	void CreateInitialRoadTiles();
+	void CreateInitialDiamondSquare();
 	ARoadTile* AddRoadTile(TSubclassOf<ARoadTile> RoadTileClass);
 	void AddRoadTileRow();
 	void PlacePlayerCar();

Source/drivesafe/Public/DiamondSquare.h

@@ -20,28 +20,31 @@ public:
 	ADiamondSquare();
 
 	UPROPERTY(EditAnywhere, meta = (ClampMin = 0))
-	int XSize;
+	int XSize = 100;
 
 	UPROPERTY(EditAnywhere, meta = (ClampMin = 0))
-	int YSize;
+	int YSize = 100;
 
 	UPROPERTY(EditAnywhere, meta = (ClampMin = 0))
-	float ZMultiplier = 1.0f;
+	float ZMultiplier = 250.0f;
 
 	UPROPERTY(EditAnywhere, meta = (ClampMin = 0))
-	float NoiseScale = 1.0f;
+	float NoiseScale = 0.1f;
 
 	UPROPERTY(EditAnywhere, meta = (ClampMin = 0.000000001))
-	float Scale;
+	float Scale = 100;
 
 	UPROPERTY(EditAnywhere, meta = (ClampMin = 0.000000001))
-	float UVScale;
+	float UVScale = 1.0f;
 
 	UPROPERTY(EditAnywhere, meta = (ClampMin = 0))
 	float flatRatio = 0.1;
 
 	UPROPERTY(EditAnywhere, meta = (ClampMin = 0))
-	float slopeRatio = 0.1;
+	float slopeRatio = 0.3;
+
+	UPROPERTY(EditAnywhere, meta = (ClampMin = 0))
+	int startY = 0;
 
 protected:
 	// Called when the game starts or when spawned
@@ -55,7 +58,6 @@ public:
 	// Called every frame
 	virtual void Tick(float DeltaTime) override;
 
-
 private:
 	UProceduralMeshComponent* ProceduralMesh;
 	TArray<FVector> Vertices;
@@ -64,6 +66,8 @@ private:
 	TArray<FVector> Normals;
 	TArray<struct FProcMeshTangent> Tangents;
 
+	static float Y;
+
 	void CreateVertices();
 	void CreateTriangles();
 };