点击File/New C++ class 创建新的c++类 继承自Actor 命名为PickUp
添加私有变量PickupMesh 类型为网格指针 其中设置UPROPERTY 第一个参数表明在蓝图编辑器中可见 第二个参数表明在蓝图中为只读 第三个参数是元数据 表示该变量可被私有访问（因为在蓝图中可以被读取 所以需要设置该元数据）
添加函数用来获取该mesh
在Actor构造函数中通过CreateDefaultSubobject 创建Component 并设置为Root节点
最终。h文件
// Fill out your copyright notice in the Description page of Project Settings.
#pragma once
#include "GameFramework/Actor.h"
#include "PickUp.generated.h"
UCLASS()
class BATTERYCOLLECTOR_API APickUp : public AActor
{
GENERATED_BODY()
public:
// Sets default values for this actor's properties
APickUp();
protected:
// Called when the game starts or when spawned
virtual void BeginPlay() override;
public:
// Called every frame
virtual void Tick(float DeltaTime) override;
FORCEINLINE class UStaticMeshComponent* GetMesh()const { return PickupMesh; }
private:
UPROPERTY(VisibleAnyWhere, BlueprintReadOnly, Category = "Pickup", meta=(AllowPrivateAccess = "true"))
UStaticMeshComponent* PickupMesh;
};
最终。cpp文件
// Fill out your copyright notice in the Description page of Project Settings.#include "BatteryCollector.h"#include "PickUp.h"// Sets default valuesAPickUp::APickUp(){ // Set this actor to call Tick() every frame. You can turn this off to improve performance if you don't need it.PrimaryActorTick.bCanEverTick = false;PickupMesh = CreateDefaultSubobject(TEXT("PickupMesh"));
RootComponent = PickupMesh;
}
// Called when the game starts or when spawned
void APickUp::BeginPlay()
{
Super::BeginPlay();
}
// Called every frame
void APickUp::Tick(float DeltaTime)
{
Super::Tick(DeltaTime);
}
