Build a Health Bar - CorePhysicsEdge Docs

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What You Will Build

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Step 1: Add the Component

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Step 2: Configure the Settings

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 1UCLASS(ClassGroup=(Custom), meta=(BlueprintSpawnableComponent))
 2class CORE_PHYSICS_EDGE_API UMyComponent : public UActorComponent
 3{
 4    GENERATED_BODY()
 5
 6public:
 7    UMyComponent();
 8
 9    UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Settings")
10    float UpdateInterval = 0.1f;
11
12    UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Settings")
13    bool bAutoActivate = true;
14
15    UFUNCTION(BlueprintCallable, Category = "CorePhysicsEdge")
16    void SetConfiguration(const FMyConfig& Config);
17
18protected:
19    virtual void BeginPlay() override;
20    virtual void TickComponent(float DeltaTime, ELevelTick TickType, FActorComponentTickFunction* ThisTickFunction) override;
21
22private:
23    FMyConfig CurrentConfig;
24    float TimeSinceLastUpdate = 0.0f;
25};

Step 3: Bind the Events

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 1UCLASS(ClassGroup=(Custom), meta=(BlueprintSpawnableComponent))
 2class CORE_PHYSICS_EDGE_API UMyComponent : public UActorComponent
 3{
 4    GENERATED_BODY()
 5
 6public:
 7    UMyComponent();
 8
 9    UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Settings")
10    float UpdateInterval = 0.1f;
11
12    UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Settings")
13    bool bAutoActivate = true;
14
15    UFUNCTION(BlueprintCallable, Category = "CorePhysicsEdge")
16    void SetConfiguration(const FMyConfig& Config);
17
18protected:
19    virtual void BeginPlay() override;
20    virtual void TickComponent(float DeltaTime, ELevelTick TickType, FActorComponentTickFunction* ThisTickFunction) override;
21
22private:
23    FMyConfig CurrentConfig;
24    float TimeSinceLastUpdate = 0.0f;
25};

Step 4: Test in Play In Editor

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 1#include "CorePhysicsEdge.h"
 2#include "Engine/World.h"
 3
 4void AMyActor::BeginPlay()
 5{
 6    Super::BeginPlay();
 7
 8    UCorePhysicsEdgeSubsystem* Subsystem = GetWorld()->GetSubsystem<UCorePhysicsEdgeSubsystem>();
 9    if (Subsystem)
10    {
11        Subsystem->Initialize();
12        UE_LOG(LogTemp, Log, TEXT("Plugin subsystem initialized successfully"));
13    }
14}

Step 5: Expose Values to Designers

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 1#include "CorePhysicsEdge.h"
 2#include "Engine/World.h"
 3
 4void AMyActor::BeginPlay()
 5{
 6    Super::BeginPlay();
 7
 8    UCorePhysicsEdgeSubsystem* Subsystem = GetWorld()->GetSubsystem<UCorePhysicsEdgeSubsystem>();
 9    if (Subsystem)
10    {
11        Subsystem->Initialize();
12        UE_LOG(LogTemp, Log, TEXT("Plugin subsystem initialized successfully"));
13    }
14}

Step 6: Handle the Edge Cases

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Next Steps

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