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diagonal edge scroll improvements

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This commit is contained in:
Maximilian Fajnberg 2022-01-11 17:32:25 +01:00
parent 7f4fd950df
commit 832507177f
2 changed files with 38 additions and 8 deletions
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45
AdventureCameraPawn.cpp
View File

@ -19,8 +19,8 @@ AAdventureCameraPawn::AAdventureCameraPawn()
PrimaryActorTick.bCanEverTick = true;
ESASize = .01;
BaseScrollSpeed = 15;
ScrollAccelleration = BaseScrollSpeed * 2;
BaseScrollSpeed = 16;
ScrollAccelleration = BaseScrollSpeed * 2.2;
ESAMaxBoundSlope = 1 / (1 - (1-ESASize));
ESAMaxBoundIntercept = 1 - ESAMaxBoundSlope;
@ -36,9 +36,16 @@ void AAdventureCameraPawn::BeginPlay()
Super::BeginPlay();
ControllerRef = (AAdventurePlayerController*)UGameplayStatics::GetPlayerController(GetWorld(), 0);
// The Viewport properties are inaccurate right after BeginPlay, so we need to wait a short time before saving them here.
FTimerHandle UnusedHandle;
GetWorldTimerManager().SetTimer(
UnusedHandle, this, &AAdventureCameraPawn::GetTheDamnViewport, 1.5, false);
}
void AAdventureCameraPawn::GetTheDamnViewport()
{
Viewport = GetWorld()->GetGameViewport();
ViewSize = Viewport->Viewport->GetSizeXY();
}
// Called every frame
@ -66,13 +73,19 @@ void AAdventureCameraPawn::EdgeScrollSide(float AxisValue)
float mouseY;
ControllerRef->GetMousePosition(mouseX, mouseY);
float mousePosX = mouseX / ViewSize.X;
float mousePosY = mouseY / ViewSize.Y;
float VertAccelleration = GetInputAxisValue("Mouse Y") * (ScrollAccelleration * .75);
if (mousePosX <= ESASize) // if in LEFT area
{
////// Scroll LEFT with Vert Accelleration
float SpeedX = (mousePosX * ESAMinBoundSlope + ESAMinBoundIntercept) * BaseScrollSpeed;
AddActorLocalOffset(FVector(VertAccelleration, -SpeedX, 0));
AddActorLocalOffset(FVector(0, -SpeedX, 0));
if (mousePosY > .005) // if not touching EDGE
{
AddActorLocalOffset(FVector(VertAccelleration, 0, 0));
}
if (AxisValue < .0 && mousePosX <= .005) // if mouse moving LEFT and touching EDGE
{
@ -84,9 +97,14 @@ void AAdventureCameraPawn::EdgeScrollSide(float AxisValue)
if (mousePosX >= 1-ESASize) // if in RIGHT area
{
////// Scroll RIGHT
////// Scroll RIGHT with Vert Accelleration
float SpeedX = (mousePosX * ESAMaxBoundSlope + ESAMaxBoundIntercept) * BaseScrollSpeed;
AddActorLocalOffset(FVector(VertAccelleration, SpeedX, 0));
AddActorLocalOffset(FVector(0, SpeedX, 0));
if (mousePosY < .995) // if not touching EDGE
{
AddActorLocalOffset(FVector(VertAccelleration, 0, 0));
}
if (AxisValue > .0 && mousePosX >= .995) // if mouse moving RIGHT and touching EDGE
{
@ -103,14 +121,20 @@ void AAdventureCameraPawn::EdgeScrollVert(float AxisValue)
float mouseY;
ControllerRef->GetMousePosition(mouseX, mouseY);
float mousePosY = mouseY / ViewSize.Y;
float mousePosX = mouseX / ViewSize.X;
float SideAccelleration = GetInputAxisValue("Mouse X") * (ScrollAccelleration * .75);
if (mousePosY <= ESASize) // if in TOP area
{
////// Scroll TOP
////// Scroll TOP with Side Accelleration
float SpeedY = (mousePosY * ESAMinBoundSlope + ESAMinBoundIntercept) * BaseScrollSpeed;
AddActorLocalOffset(FVector(SpeedY, SideAccelleration, 0));
if (mousePosX > .005) // if not touching EDGE
{
AddActorLocalOffset(FVector(0, SideAccelleration, 0));
}
if (AxisValue > .0 && mousePosY <= .005) // if mouse moving TOP and touching EDGE
{
////// Add TOP accelleration
@ -121,10 +145,15 @@ void AAdventureCameraPawn::EdgeScrollVert(float AxisValue)
if (mousePosY >= 1-ESASize) // if in BOTTOM area
{
////// Scroll BOTTOM
////// Scroll BOTTOM with Side Accelleration
float SpeedY = (mousePosY * ESAMaxBoundSlope + ESAMaxBoundIntercept) * BaseScrollSpeed;
AddActorLocalOffset(FVector(-SpeedY, SideAccelleration, 0));
if (mousePosX < .995) // if not touching EDGE
{
AddActorLocalOffset(FVector(0, SideAccelleration, 0));
}
if (AxisValue < .0 && mousePosY >= .995) // if mouse moving BOTTOM and touching EDGE
{
////// add BOTTOM accelleration

1
AdventureCameraPawn.h
View File

@ -50,6 +50,7 @@ public:
protected:
// Called when the game starts or when spawned
virtual void BeginPlay() override;
void GetTheDamnViewport();
float ESAMaxBoundSlope;
float ESAMaxBoundIntercept;