C++ Code

// Fill out your copyright notice in the Description page of Project Settings.

#include "MovingPlatform.h"

// Sets default values
AMovingPlatform::AMovingPlatform()
{
    // Set this actor to call Tick() every frame. You can turn this off to improve performance if you don't need it.
    PrimaryActorTick.bCanEverTick = true;
}

// Called when the game starts or when spawned
void AMovingPlatform::BeginPlay()
{
    Super::BeginPlay();
    StartLocation = GetActorLocation();
}

// Called every frame
void AMovingPlatform::Tick(float DeltaTime)
{
    Super::Tick(DeltaTime);
    MovePlatform(DeltaTime);
    RotatePlatform(DeltaTime);
}

void AMovingPlatform::MovePlatform(float DeltaTime)
{
    if (shouldPlatformReturn())
    {
        FVector MoveDirection = PlatformVelocity.GetSafeNormal();
        StartLocation = StartLocation + MoveDirection * MovedDistance;
        SetActorLocation(StartLocation);
        PlatformVelocity = -PlatformVelocity;
    }
    else
    {
        FVector CurrentLocation = GetActorLocation();
        CurrentLocation = CurrentLocation + PlatformVelocity * DeltaTime;
        SetActorLocation(CurrentLocation);
    }
}

void AMovingPlatform::RotatePlatform(float DeltaTime)
{
    AddActorLocalRotation(RotationSpeed * DeltaTime);
}

bool AMovingPlatform::shouldPlatformReturn() const
{
    return GetDistanceMoved() > MovedDistance;
}

float AMovingPlatform::GetDistanceMoved() const
{
    return FVector::Dist(StartLocation, GetActorLocation());
}