9 Animation¶

078 The Animation Blueprint¶

基于 Echo_Skeleton 创建动画蓝图 ABP_Echo

IdleRunIdle to RunRun to Idle

079 The Anim Instance¶

基于 AnimInstance 创建一个 C++ 文件 SlashAnimInstance

SlashAnimInstance.h
class SLASH_API USlashAnimInstance : public UAnimInstance
{
    GENERATED_BODY()

public:
    virtual void NativeInitializeAnimation() override;
    virtual void NativeUpdateAnimation(float DeltaTime) override;

    UPROPERTY(BlueprintReadOnly)
    TObjectPtr<ASlashCharacter> SlashCharacter;
    UPROPERTY(BlueprintReadOnly, Category = "CMovement")
    TObjectPtr<UCharacterMovementComponent> SlashCharacterMovement;
    UPROPERTY(BlueprintReadOnly, Category = "CMovement")
    float GroundSpeed;
};

SlashAnimInstance.cpp
void USlashAnimInstance::NativeInitializeAnimation()
{
    Super::NativeInitializeAnimation();

    SlashCharacter = Cast<ASlashCharacter>(TryGetPawnOwner());
    if (SlashCharacter)
    {
        SlashCharacterMovement = SlashCharacter->GetCharacterMovement();
    }
}

void USlashAnimInstance::NativeUpdateAnimation(float DeltaTime)
{
    Super::NativeUpdateAnimation(DeltaTime);

    if (SlashCharacterMovement)
    {
        GroundSpeed = UKismetMathLibrary::VSizeXY(SlashCharacterMovement->Velocity);
    }
}

090 Jumping¶

SlashCharacter.h
class SLASH_API ASlashCharacter : public ACharacter
{
protected:
    UPROPERTY(EditDefaultsOnly, Category = "CInput")
    TObjectPtr<UInputAction> JumpAction;

    void Jump(const FInputActionValue& Value);
};

SlashCharacter.cpp
void ASlashCharacter::Jump(const FInputActionValue& Value)
{
    ACharacter::Jump();
}

void ASlashCharacter::SetupPlayerInputComponent(UInputComponent* PlayerInputComponent)
{
    Super::SetupPlayerInputComponent(PlayerInputComponent);

    if (UEnhancedInputComponent* EnhancedInputComponent= CastChecked<UEnhancedInputComponent>(PlayerInputComponent))
    {
        EnhancedInputComponent->BindAction(JumpAction, ETriggerEvent::Triggered, this, &ASlashCharacter::Jump);
    }
}

091 Jump Animations¶

SlashAnimInstance.h
class SLASH_API USlashAnimInstance : public UAnimInstance
{
public:
    UPROPERTY(BlueprintReadOnly, Category = "CMovement")
    bool bIsFalling;
};

SlashAnimInstance.cpp
void USlashAnimInstance::NativeUpdateAnimation(float DeltaTime)
{
    Super::NativeUpdateAnimation(DeltaTime);

    if (SlashCharacterMovement)
    {
        GroundSpeed = UKismetMathLibrary::VSizeXY(SlashCharacterMovement->Velocity);
        bIsFalling = SlashCharacterMovement->IsFalling();
    }
}