Initial Project Setup

Source/MyProject3/MyCharacter.cpp

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+#include "MyCharacter.h"
+#include "GameFramework/SpringArmComponent.h"
+#include "Camera/CameraComponent.h"
+#include "GameFramework/Controller.h"
+#include "GameFramework/CharacterMovementComponent.h"
+
+AMyCharacter::AMyCharacter()
+{
+    PrimaryActorTick.bCanEverTick = true;
+
+    // Create a camera boom (pulls in towards the player if there is a collision)
+    CameraBoom = CreateDefaultSubobject<USpringArmComponent>(TEXT("CameraBoom"));
+    CameraBoom->SetupAttachment(RootComponent);
+    CameraBoom->TargetArmLength = 300.0f; // The camera follows at this distance behind the character
+    CameraBoom->bUsePawnControlRotation = true; // Rotate the arm based on the controller
+
+    // Create a follow camera
+    FollowCamera = CreateDefaultSubobject<UCameraComponent>(TEXT("FollowCamera"));
+    FollowCamera->SetupAttachment(CameraBoom, USpringArmComponent::SocketName); // Attach the camera to the end of the boom and let the boom adjust to match the controller orientation
+    FollowCamera->bUsePawnControlRotation = false; // Camera does not rotate relative to arm
+
+    // Set base turn and look up rates
+    BaseTurnRate = 45.0f;
+    BaseLookUpRate = 45.0f;
+
+    // Don't rotate when the controller rotates. Let that just affect the camera.
+    bUseControllerRotationPitch = false;
+    bUseControllerRotationYaw = false;
+    bUseControllerRotationRoll = false;
+
+    // Configure character movement
+    GetCharacterMovement()->bOrientRotationToMovement = true; // Character moves in the direction of input...
+    GetCharacterMovement()->RotationRate = FRotator(0.0f, 540.0f, 0.0f); // ...at this rotation rate
+    GetCharacterMovement()->JumpZVelocity = 600.0f;
+    GetCharacterMovement()->AirControl = 0.2f;
+}
+
+void AMyCharacter::BeginPlay()
+{
+    Super::BeginPlay();
+}
+
+void AMyCharacter::Tick(float DeltaTime)
+{
+    Super::Tick(DeltaTime);
+}
+
+void AMyCharacter::SetupPlayerInputComponent(UInputComponent* PlayerInputComponent)
+{
+    Super::SetupPlayerInputComponent(PlayerInputComponent);
+
+    PlayerInputComponent->BindAxis("MoveForward", this, &AMyCharacter::MoveForward);
+    PlayerInputComponent->BindAxis("MoveRight", this, &AMyCharacter::MoveRight);
+
+    PlayerInputComponent->BindAxis("Turn", this, &APawn::AddControllerYawInput);
+    PlayerInputComponent->BindAxis("TurnRate", this, &AMyCharacter::TurnAtRate);
+    PlayerInputComponent->BindAxis("LookUp", this, &APawn::AddControllerPitchInput);
+    PlayerInputComponent->BindAxis("LookUpRate", this, &AMyCharacter::LookUpAtRate);
+}
+
+void AMyCharacter::MoveForward(float Value)
+{
+    if ((Controller != nullptr) && (Value != 0.0f))
+    {
+        // find out which way is forward
+        const FRotator Rotation = Controller->GetControlRotation();
+        const FRotator YawRotation(0, Rotation.Yaw, 0);
+
+        // get forward vector
+        const FVector Direction = FRotationMatrix(YawRotation).GetUnitAxis(EAxis::X);
+        AddMovementInput(Direction, Value);
+    }
+}
+
+void AMyCharacter::MoveRight(float Value)
+{
+    if ((Controller != nullptr) && (Value != 0.0f))
+    {
+        // find out which way is right
+        const FRotator Rotation = Controller->GetControlRotation();
+        const FRotator YawRotation(0, Rotation.Yaw, 0);
+
+        // get right vector 
+        const FVector Direction = FRotationMatrix(YawRotation).GetUnitAxis(EAxis::Y);
+        AddMovementInput(Direction, Value);
+    }
+}
+
+void AMyCharacter::TurnAtRate(float Rate)
+{
+    // calculate delta for this frame from the rate information
+    AddControllerYawInput(Rate * BaseTurnRate * GetWorld()->GetDeltaSeconds());
+}
+
+void AMyCharacter::LookUpAtRate(float Rate)
+{
+    // calculate delta for this frame from the rate information
+    AddControllerPitchInput(Rate * BaseLookUpRate * GetWorld()->GetDeltaSeconds());
+}