Everything work properly before closing the editor.
When reponing the editor, the Moving Platform category (see pics) on the BP_MyMovingPlatform details was unavailable. When recompiling my c++ file the Moving Platform category becomes available again. Still, once the editor is closed and reponed once more the Moving Platform category is unavailable again I recompiled the c++ once more, and so on…
Not sure what I am doing wrong?
After reopening Editor
After recompiling c++ files
Header file
// Fill out your copyright notice in the Description page of Project Settings.
#pragma once
#include "CoreMinimal.h"
#include "GameFramework/Actor.h"
#include "MovingPlatform.generated.h"
UCLASS()
class OBSTACLEASSAULT_API AMovingPlatform : public AActor
{
GENERATED_BODY()
public:
// Sets default values for this actor's properties
AMovingPlatform();
protected:
// Called when the game starts or when spawned
virtual void BeginPlay() override;
public:
// Called every frame
virtual void Tick(float DeltaTime) override;
UPROPERTY(EditAnywhere, Category="Moving Platforme")
FVector PlatformVelocity = FVector(100, 0, 0);
UPROPERTY(EditAnywhere, Category="Moving Platforme")
float MaxDistanceTraveled = 100;
FVector StartLocation;
};
c++ file
// 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
// DeltaTime tells how long a frame takes to execute, makes the game frame rate independent, for example velocity for moving object
void AMovingPlatform::Tick(float DeltaTime)
{
Super::Tick(DeltaTime);
// Move platform fowards
// Get current location
FVector CurrentLocation = GetActorLocation();
// Add vector to that location
//CurrentLocation.Y = CurrentLocation.Y + 1;
CurrentLocation = CurrentLocation + PlatformVelocity * DeltaTime; // DeltaTime tells how long a frame takes to execute, makes the game frame rate independent, for example velocity for moving object
// Set the location
SetActorLocation(CurrentLocation);
// Send platform back if gone too far
// Check how far the platform has moved
float DistanceMoved = FVector:: Dist(StartLocation, CurrentLocation);
// Reverse Direction of motion if gone too far
if (DistanceMoved > MaxDistanceTraveled)
{
// If platform is moving very fast it can overshoot the StartLocation, the DistanceMoved is significant greater than MaxDistanceTraveled
// it is depending of the DeltaTime, in other words, the consequence is that the original starting point can drift over time
// GetSafeNormal() It returns a normalised vector. It’s a vector going in the same direction but with a magnitude of 1 i.e. it only has direction (-1, 1).
// The ‘Safe’ in GetSafeNormal just means it protects against a potential divide-by-zero.
FVector MovedDirection = PlatformVelocity.GetSafeNormal();
StartLocation = StartLocation + MovedDirection * MaxDistanceTraveled;
SetActorLocation(StartLocation);
PlatformVelocity = -PlatformVelocity;
}
}
Thanks
