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Basic mouse look implementation (only left/right)

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This commit is contained in:
Aiden Correya
2025-02-16 16:31:45 +05:30
parent 49895ec6a6
commit 482f386975
6 changed files with 97 additions and 44 deletions
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Content/Blueprints/BP_SpaceshipPawn.uasset LFS
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Content/Input/IA_Look.uasset LFS
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Content/Input/IA_MouseLook.uasset LFS Normal file
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Content/Input/IMC_Spaceship.uasset LFS
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114
Source/MyProject3/SpaceshipPawn.cpp
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@@ -5,6 +5,9 @@
#include "EnhancedInputComponent.h"
#include "EnhancedInputSubsystems.h"
#include "SpaceshipProjectile.h"
#include "Kismet/GameplayStatics.h"
#include "GameFramework/GameUserSettings.h"
ASpaceshipPawn::ASpaceshipPawn()
{
@@ -40,20 +43,36 @@ ASpaceshipPawn::ASpaceshipPawn()
CurrentVelocity = FVector::ZeroVector;
CurrentPitch = 0.0f;
CurrentYaw = 0.0f;
ShipRotation = FRotator::ZeroRotator;
TargetRotation = FRotator::ZeroRotator;
}
void ASpaceshipPawn::BeginPlay()
{
Super::BeginPlay();
// Add Input Mapping Context
if (APlayerController* PlayerController = Cast<APlayerController>(Controller))
// Store player controller reference
PlayerControllerRef = Cast<APlayerController>(Controller);
if (PlayerControllerRef)
{
if (UEnhancedInputLocalPlayerSubsystem* Subsystem = ULocalPlayer::GetSubsystem<UEnhancedInputLocalPlayerSubsystem>(PlayerController->GetLocalPlayer()))
// Setup input mapping context
if (UEnhancedInputLocalPlayerSubsystem* Subsystem = ULocalPlayer::GetSubsystem<UEnhancedInputLocalPlayerSubsystem>(PlayerControllerRef->GetLocalPlayer()))
{
Subsystem->AddMappingContext(DefaultMappingContext, 0);
}
// Setup mouse capture and fullscreen
PlayerControllerRef->SetShowMouseCursor(false);
PlayerControllerRef->SetInputMode(FInputModeGameOnly());
// Request fullscreen mode using GameUserSettings
UGameUserSettings* GameUserSettings = UGameUserSettings::GetGameUserSettings();
if (GameUserSettings)
{
GameUserSettings->SetFullscreenMode(EWindowMode::Fullscreen);
GameUserSettings->SetScreenResolution(FIntPoint(1920, 1080)); // Adjust the resolution if needed
GameUserSettings->ApplySettings(false);
}
}
}
@@ -71,16 +90,6 @@ void ASpaceshipPawn::Tick(float DeltaTime)
CurrentThrust = FMath::FInterpTo(CurrentThrust, TargetThrust, DeltaTime, ThrustAcceleration);
}
// Smoothly interpolate to target rotation
FRotator CurrentRotation = GetActorRotation();
FRotator NewRotation = FMath::RInterpTo(
CurrentRotation,
ShipRotation,
DeltaTime,
RotationSpeed
);
SetActorRotation(NewRotation);
// Update movement based on ship's forward vector
FVector ThrustDirection = GetActorForwardVector();
FVector ThrustForce = ThrustDirection * CurrentThrust;
@@ -103,6 +112,57 @@ void ASpaceshipPawn::Tick(float DeltaTime)
GEngine->AddOnScreenDebugMessage(-1, 0.0f, FColor::Green,
FString::Printf(TEXT("Velocity: %.2f"), CurrentVelocity.Size()));
}
// Smooth mouse movement
MouseDeltaSmoothed = FMath::Vector2DInterpTo(
MouseDeltaSmoothed,
LastMouseDelta,
DeltaTime,
MouseSmoothingSpeed
);
// Update rotation based on smoothed mouse movement
CurrentYaw += MouseDeltaSmoothed.X * MouseSensitivity * DeltaTime * 60.0f; // Multiply by 60 to normalize for frame rate
CurrentPitch = FMath::ClampAngle(
CurrentPitch + (-MouseDeltaSmoothed.Y * MouseSensitivity * DeltaTime * 60.0f),
-85.0f,
85.0f
);
// Set target rotation
TargetRotation = FRotator(CurrentPitch, CurrentYaw, 0.0f);
// Smoothly interpolate to target rotation using quaternions for better interpolation
FQuat CurrentQuat = GetActorQuat();
FQuat TargetQuat = TargetRotation.Quaternion();
FQuat NewQuat = FQuat::Slerp(CurrentQuat, TargetQuat, RotationSpeed * DeltaTime);
SetActorRotation(NewQuat);
// Update spring arm rotation to match ship with smooth interpolation
if (CameraSpringArm)
{
FRotator SpringArmRotation = CameraSpringArm->GetComponentRotation();
FRotator TargetSpringArmRotation = NewQuat.Rotator();
FRotator NewSpringArmRotation = FMath::RInterpTo(
SpringArmRotation,
TargetSpringArmRotation,
DeltaTime,
RotationSpeed
);
CameraSpringArm->SetWorldRotation(NewSpringArmRotation);
}
// Reset mouse delta for next frame
LastMouseDelta = FVector2D::ZeroVector;
// Debug info
if (GEngine)
{
GEngine->AddOnScreenDebugMessage(-1, 0.0f, FColor::Yellow,
FString::Printf(TEXT("Smoothed Mouse Delta: X=%.2f Y=%.2f"), MouseDeltaSmoothed.X, MouseDeltaSmoothed.Y));
GEngine->AddOnScreenDebugMessage(-1, 0.0f, FColor::Green,
FString::Printf(TEXT("Current Rotation: P=%.2f Y=%.2f"), CurrentPitch, CurrentYaw));
}
}
void ASpaceshipPawn::SetupPlayerInputComponent(UInputComponent* PlayerInputComponent)
@@ -116,7 +176,7 @@ void ASpaceshipPawn::SetupPlayerInputComponent(UInputComponent* PlayerInputCompo
EnhancedInputComponent->BindAction(ThrottleAction, ETriggerEvent::Completed, this, &ASpaceshipPawn::HandleThrottleReleased);
// Bind mouse control
EnhancedInputComponent->BindAction(MouseControlAction, ETriggerEvent::Started, this, &ASpaceshipPawn::HandleMouseControl);
EnhancedInputComponent->BindAction(MouseControlAction, ETriggerEvent::Triggered, this, &ASpaceshipPawn::HandleMouseLook);
// Bind fire action
EnhancedInputComponent->BindAction(FireAction, ETriggerEvent::Triggered, this, &ASpaceshipPawn::HandleFire);
@@ -136,28 +196,12 @@ void ASpaceshipPawn::HandleThrottleReleased(const FInputActionValue& Value)
bThrottlePressed = false;
}
void ASpaceshipPawn::HandleMouseControl(const FInputActionValue& Value)
void ASpaceshipPawn::HandleMouseLook(const FInputActionValue& Value)
{
const FVector2D MouseValue = Value.Get<FVector2D>();
const FVector2D MouseDelta = Value.Get<FVector2D>();
// Mouse sensitivity factors
const float MouseSensitivityX = 1.0f;
const float MouseSensitivityY = 1.0f;
// Update current rotation based on mouse input
CurrentYaw += MouseValue.X * MouseSensitivityX;
CurrentPitch = FMath::ClampAngle(CurrentPitch + (-MouseValue.Y * MouseSensitivityY), -85.0f, 85.0f);
// Create target rotation
ShipRotation = FRotator(CurrentPitch, CurrentYaw, 0.0f);
if (GEngine)
{
GEngine->AddOnScreenDebugMessage(-1, 0.0f, FColor::Blue,
FString::Printf(TEXT("Mouse Input - X: %.2f, Y: %.2f"), MouseValue.X, MouseValue.Y));
GEngine->AddOnScreenDebugMessage(-1, 0.0f, FColor::Purple,
FString::Printf(TEXT("Ship Rotation - Pitch: %.2f, Yaw: %.2f"), CurrentPitch, CurrentYaw));
}
// Smoothly interpolate mouse delta
LastMouseDelta = MouseDelta;
}
void ASpaceshipPawn::HandleFire(const FInputActionValue& Value)

13
Source/MyProject3/SpaceshipPawn.h
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@@ -54,13 +54,16 @@ protected:
UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Movement")
float RotationSpeed = 100.0f;
UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Movement")
float MouseSensitivity = 2.0f;
UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Movement")
float DragCoefficient = 0.1f;
// Input functions
void HandleThrottleStarted(const FInputActionValue& Value);
void HandleThrottleReleased(const FInputActionValue& Value);
void HandleMouseControl(const FInputActionValue& Value);
void HandleMouseLook(const FInputActionValue& Value);
void HandleFire(const FInputActionValue& Value);
private:
@@ -69,7 +72,13 @@ private:
float TargetThrust;
bool bThrottlePressed;
FVector CurrentVelocity;
FRotator ShipRotation;
FRotator TargetRotation;
float CurrentPitch;
float CurrentYaw;
APlayerController* PlayerControllerRef;
FVector2D MouseDeltaSmoothed;
FVector2D LastMouseDelta;
float MouseSmoothingSpeed = 10.0f;
};