在C++中使用OnComponentBeginOverlap事件

http://www.cnblogs.com/blueroses/p/5187236.html

 

写了2个类，因为一开始没有设计好，导致有很多无用代码，而且代码有相当大的修改余地，反正最终结果满足要求，贴下代码仅当抛砖引玉

这里的收集代码写在角色类，通过碰撞事件修改SoulPickup类中的bMoveToCharactor布尔值，来达到移动的目的。如何使用碰撞可以看一下下面的代码

http://www.cnblogs.com/blueroses/p/5187236.html

// Fill out your copyright notice in the Description page of Project Settings.#pragma once#include "GameFramework/Actor.h"#include "Pickup.generated.h"UCLASS()class THIRDPERSONPLUGIN_API APickup : public AActor{    GENERATED_BODY()    public:        // Sets default values for this actor's properties    APickup();    // Called when the game starts or when spawned    virtual void BeginPlay() override;        // Called every frame    virtual void Tick( float DeltaSeconds ) override;    UFUNCTION(BlueprintPure, Category = "PickUp")    bool IsActive();    UFUNCTION(BlueprintCallable, Category = "PickUp")    void SetActive(bool bActive);    //强制内联函数，返回Mesh指针    FORCEINLINE class UStaticMeshComponent *GetMesh() const { return PickupMesh; }    UFUNCTION(BlueprintNativeEvent)    void WasCollected();    virtual void WasCollected_Implementation();protected:    bool bIsActive;private:    UPROPERTY(VisibleAnywhere, BlueprintReadOnly, Category = "Pickup", meta = (AllowPrivateAccess = "true"))    class UStaticMeshComponent *PickupMesh;};

// Fill out your copyright notice in the Description page of Project Settings.#include "ThirdPersonPlugin.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;    bIsActive = true;}// Called when the game starts or when spawnedvoid APickup::BeginPlay(){    Super::BeginPlay();    }// Called every framevoid APickup::Tick( float DeltaTime ){    Super::Tick( DeltaTime );}////设置是否激活void APickup::SetActive(bool bActive){    bIsActive = bActive;}////查看Pickup是否处于激活状态bool APickup::IsActive(){    return bIsActive;}void APickup::WasCollected_Implementation(){    bIsActive = false;}
     

// Fill out your copyright notice in the Description page of Project Settings.#pragma once#include "Pickup.h"#include "SoulPickup.generated.h"/** *  */UCLASS()class THIRDPERSONPLUGIN_API ASoulPickup : public APickup{    GENERATED_BODY()public:    virtual void BeginPlay() override;    virtual void Tick(float DeltaSeconds) override;        virtual void WasCollected_Implementation() override;        ASoulPickup();    UFUNCTION(BlueprintCallable, Category = "SoulPickup")    void MoveToCharactor(bool bMove);protected:    UPROPERTY(VisibleAnywhere, BlueprintReadOnly, Category = "SoulPickup")    bool bMoveToCharactor;    UPROPERTY(VisibleAnywhere, BlueprintReadOnly, Category = "SoulPickup")    FVector charactorLocation;    UPROPERTY(VisibleAnywhere, BlueprintReadOnly, Category = "SoulPickup")    FVector currentLocation;    UPROPERTY(VisibleAnywhere, BlueprintReadOnly, Category = "SoulPickup")    FVector direction;    UPROPERTY(VisibleAnywhere, BlueprintReadWrite, Category = "SoulPickup")    float moveSpeed;};

// Fill out your copyright notice in the Description page of Project Settings.#include "ThirdPersonPlugin.h"#include "SoulPickup.h"#include "ThirdPersonPluginCharacter.h"#include "Kismet/GameplayStatics.h"ASoulPickup::ASoulPickup(){    moveSpeed = 2;    PrimaryActorTick.bCanEverTick = true;}void ASoulPickup::BeginPlay(){    Super::BeginPlay();}void ASoulPickup::Tick(float DeltaSeconds){    Super::Tick(DeltaSeconds);    if (bMoveToCharactor)    {        AThirdPersonPluginCharacter *MyCharacter = Cast
     
      (UGameplayStatics::GetPlayerPawn(this, 0));        if (MyCharacter)        {            //取得角色坐标,与当前自己的位置            charactorLocation=MyCharacter->GetActorLocation();            currentLocation = GetActorLocation();            //取得方向向量并且规范化            direction=charactorLocation - currentLocation;            direction.Normalize();            //算出移动距离并且移动            currentLocation += moveSpeed*direction;            SetActorLocation(currentLocation);        }else        {            return;        }        ////到达位置就销毁        //if (currentLocation==charactorLocation)        //{        //    Destroy();        //}    }}void ASoulPickup::WasCollected_Implementation(){    }void ASoulPickup::MoveToCharactor(bool bMove){    //设置是否移动到角色        bMoveToCharactor = bMove;}