Add basic class files

Source/MyProject3/SpaceshipProjectile.h

@@ -0,0 +1,33 @@
+#pragma once
+
+#include "CoreMinimal.h"
+#include "GameFramework/Actor.h"
+#include "SpaceshipProjectile.generated.h"
+
+UCLASS()
+class MYPROJECT3_API ASpaceshipProjectile : public AActor
+{
+    GENERATED_BODY()
+
+public:
+    ASpaceshipProjectile();
+
+protected:
+    virtual void BeginPlay() override;
+
+    UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Components")
+    class UStaticMeshComponent* ProjectileMesh;
+
+    UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Components")
+    class UProjectileMovementComponent* ProjectileMovement;
+
+    UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Projectile")
+    float ProjectileSpeed = 3000.0f;
+
+    UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Projectile")
+    float DamageAmount = 20.0f;
+
+    UFUNCTION()
+    void OnHit(UPrimitiveComponent* HitComp, AActor* OtherActor, UPrimitiveComponent* OtherComp,
+        FVector NormalImpulse, const FHitResult& Hit);
+};