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Refactor engine to support double-precision vectors

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This commit is contained in:
Wojtek Figat
2022-06-13 00:40:32 +02:00
parent f82e370392
commit a881c90b2e
744 changed files with 19062 additions and 12467 deletions
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2
Source/Engine/UI/GUI/Common/Border.cs
View File

@@ -34,7 +34,7 @@ namespace FlaxEngine.GUI
{
base.DrawSelf();
Render2D.DrawRectangle(new Rectangle(Vector2.Zero, Size), BorderColor, BorderWidth);
Render2D.DrawRectangle(new Rectangle(Float2.Zero, Size), BorderColor, BorderWidth);
}
}
}

12
Source/Engine/UI/GUI/Common/Button.cs
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@@ -149,7 +149,7 @@ namespace FlaxEngine.GUI
/// </summary>
/// <param name="location">Position</param>
/// <param name="size">Size</param>
public Button(Vector2 location, Vector2 size)
public Button(Float2 location, Float2 size)
: this(location.X, location.Y, size.X, size.Y)
{
}
@@ -199,7 +199,7 @@ namespace FlaxEngine.GUI
public override void DrawSelf()
{
// Cache data
Rectangle clientRect = new Rectangle(Vector2.Zero, Size);
Rectangle clientRect = new Rectangle(Float2.Zero, Size);
bool enabled = EnabledInHierarchy;
Color backgroundColor = BackgroundColor;
Color borderColor = BorderColor;
@@ -244,7 +244,7 @@ namespace FlaxEngine.GUI
}
/// <inheritdoc />
public override bool OnMouseDown(Vector2 location, MouseButton button)
public override bool OnMouseDown(Float2 location, MouseButton button)
{
if (base.OnMouseDown(location, button))
return true;
@@ -258,7 +258,7 @@ namespace FlaxEngine.GUI
}
/// <inheritdoc />
public override bool OnMouseUp(Vector2 location, MouseButton button)
public override bool OnMouseUp(Float2 location, MouseButton button)
{
if (base.OnMouseUp(location, button))
return true;
@@ -273,7 +273,7 @@ namespace FlaxEngine.GUI
}
/// <inheritdoc />
public override bool OnTouchDown(Vector2 location, int pointerId)
public override bool OnTouchDown(Float2 location, int pointerId)
{
if (base.OnTouchDown(location, pointerId))
return true;
@@ -287,7 +287,7 @@ namespace FlaxEngine.GUI
}
/// <inheritdoc />
public override bool OnTouchUp(Vector2 location, int pointerId)
public override bool OnTouchUp(Float2 location, int pointerId)
{
if (base.OnTouchUp(location, pointerId))
return true;

10
Source/Engine/UI/GUI/Common/CheckBox.cs
View File

@@ -242,7 +242,7 @@ namespace FlaxEngine.GUI
}
/// <inheritdoc />
public override void OnMouseMove(Vector2 location)
public override void OnMouseMove(Float2 location)
{
base.OnMouseMove(location);
@@ -250,7 +250,7 @@ namespace FlaxEngine.GUI
}
/// <inheritdoc />
public override bool OnMouseDown(Vector2 location, MouseButton button)
public override bool OnMouseDown(Float2 location, MouseButton button)
{
if (button == MouseButton.Left && !_isPressed)
{
@@ -262,7 +262,7 @@ namespace FlaxEngine.GUI
}
/// <inheritdoc />
public override bool OnMouseUp(Vector2 location, MouseButton button)
public override bool OnMouseUp(Float2 location, MouseButton button)
{
if (button == MouseButton.Left && _isPressed)
{
@@ -288,7 +288,7 @@ namespace FlaxEngine.GUI
}
/// <inheritdoc />
public override bool OnTouchDown(Vector2 location, int pointerId)
public override bool OnTouchDown(Float2 location, int pointerId)
{
if (!_isPressed)
{
@@ -300,7 +300,7 @@ namespace FlaxEngine.GUI
}
/// <inheritdoc />
public override bool OnTouchUp(Vector2 location, int pointerId)
public override bool OnTouchUp(Float2 location, int pointerId)
{
if (_isPressed)
{

24
Source/Engine/UI/GUI/Common/Dropdown.cs
View File

@@ -50,7 +50,7 @@ namespace FlaxEngine.GUI
}
/// <inheritdoc />
public override Control OnNavigate(NavDirection direction, Vector2 location, Control caller, List<Control> visited)
public override Control OnNavigate(NavDirection direction, Float2 location, Control caller, List<Control> visited)
{
if (IsFocused)
{
@@ -91,7 +91,7 @@ namespace FlaxEngine.GUI
{
public Action<Label> ItemClicked;
public override bool OnMouseDown(Vector2 location, MouseButton button)
public override bool OnMouseDown(Float2 location, MouseButton button)
{
if (base.OnMouseDown(location, button))
return true;
@@ -99,7 +99,7 @@ namespace FlaxEngine.GUI
return true;
}
public override bool OnTouchDown(Vector2 location, int pointerId)
public override bool OnTouchDown(Float2 location, int pointerId)
{
if (base.OnTouchDown(location, pointerId))
return true;
@@ -410,7 +410,7 @@ namespace FlaxEngine.GUI
{
AutoFocus = true,
X = itemsMargin,
Size = new Vector2(itemsWidth - itemsMargin, itemsHeight),
Size = new Float2(itemsWidth - itemsMargin, itemsHeight),
Font = Font,
TextColor = Color.White * 0.9f,
TextColorHighlighted = Color.White,
@@ -433,7 +433,7 @@ namespace FlaxEngine.GUI
var icon = new Image
{
Brush = CheckedImage,
Size = new Vector2(itemsMargin, itemsHeight),
Size = new Float2(itemsMargin, itemsHeight),
Margin = new Margin(4.0f, 6.0f, 4.0f, 4.0f),
//AnchorPreset = AnchorPresets.VerticalStretchLeft,
Parent = item,
@@ -441,7 +441,7 @@ namespace FlaxEngine.GUI
}
}
popup.Size = new Vector2(itemsWidth, height);
popup.Size = new Float2(itemsWidth, height);
return popup;
}
@@ -495,7 +495,7 @@ namespace FlaxEngine.GUI
_popup.LostFocus += DestroyPopup;
// Show dropdown popup
Vector2 locationRootSpace = Location + new Vector2(0, Height);
var locationRootSpace = Location + new Float2(0, Height);
var parent = Parent;
while (parent != null && parent != Root)
{
@@ -528,7 +528,7 @@ namespace FlaxEngine.GUI
public override void DrawSelf()
{
// Cache data
var clientRect = new Rectangle(Vector2.Zero, Size);
var clientRect = new Rectangle(Float2.Zero, Size);
float margin = clientRect.Height * 0.2f;
float boxSize = clientRect.Height - margin * 2;
bool isOpened = IsPopupOpened;
@@ -590,7 +590,7 @@ namespace FlaxEngine.GUI
}
/// <inheritdoc />
public override bool OnMouseDown(Vector2 location, MouseButton button)
public override bool OnMouseDown(Float2 location, MouseButton button)
{
if (base.OnMouseDown(location, button))
return true;
@@ -605,7 +605,7 @@ namespace FlaxEngine.GUI
}
/// <inheritdoc />
public override bool OnMouseUp(Vector2 location, MouseButton button)
public override bool OnMouseUp(Float2 location, MouseButton button)
{
if (base.OnMouseUp(location, button))
return true;
@@ -620,7 +620,7 @@ namespace FlaxEngine.GUI
}
/// <inheritdoc />
public override bool OnTouchDown(Vector2 location, int pointerId)
public override bool OnTouchDown(Float2 location, int pointerId)
{
if (base.OnTouchDown(location, pointerId))
return true;
@@ -630,7 +630,7 @@ namespace FlaxEngine.GUI
}
/// <inheritdoc />
public override bool OnTouchUp(Vector2 location, int pointerId)
public override bool OnTouchUp(Float2 location, int pointerId)
{
if (base.OnTouchUp(location, pointerId))
return true;

6
Source/Engine/UI/GUI/Common/Image.cs
View File

@@ -66,7 +66,7 @@ namespace FlaxEngine.GUI
}
/// <inheritdoc />
public Image(Vector2 location, Vector2 size)
public Image(Float2 location, Float2 size)
: base(location, size)
{
AutoFocus = false;
@@ -109,7 +109,7 @@ namespace FlaxEngine.GUI
}
else
{
rect = new Rectangle(Vector2.Zero, Size);
rect = new Rectangle(Float2.Zero, Size);
}
Margin.ShrinkRectangle(ref rect);
@@ -121,7 +121,7 @@ namespace FlaxEngine.GUI
}
/// <inheritdoc />
public override bool OnMouseUp(Vector2 location, MouseButton button)
public override bool OnMouseUp(Float2 location, MouseButton button)
{
if (base.OnMouseUp(location, button))
return true;

16
Source/Engine/UI/GUI/Common/Label.cs
View File

@@ -18,8 +18,8 @@ namespace FlaxEngine.GUI
private bool _autoWidth;
private bool _autoHeight;
private bool _autoFitText;
private Vector2 _textSize;
private Vector2 _autoFitTextRange = new Vector2(0.1f, 100.0f);
private Float2 _textSize;
private Float2 _autoFitTextRange = new Float2(0.1f, 100.0f);
/// <summary>
/// The font.
@@ -38,7 +38,7 @@ namespace FlaxEngine.GUI
if (_text != value)
{
_text = value;
_textSize = Vector2.Zero;
_textSize = Float2.Zero;
PerformLayout();
}
}
@@ -89,7 +89,7 @@ namespace FlaxEngine.GUI
if (_autoWidth || _autoHeight || _autoFitText)
{
_textSize = Vector2.Zero;
_textSize = Float2.Zero;
PerformLayout();
}
}
@@ -169,8 +169,8 @@ namespace FlaxEngine.GUI
/// Gets or sets the text scale range (min and max) for automatic fit text option. Can be used to constraint the text scale adjustment.
/// </summary>
[VisibleIf(nameof(AutoFitText))]
[EditorOrder(110), DefaultValue(typeof(Vector2), "0.1, 100"), Tooltip("The text scale range (min and max) for automatic fit text option. Can be used to constraint the text scale adjustment.")]
public Vector2 AutoFitTextRange
[EditorOrder(110), DefaultValue(typeof(Float2), "0.1, 100"), Tooltip("The text scale range (min and max) for automatic fit text option. Can be used to constraint the text scale adjustment.")]
public Float2 AutoFitTextRange
{
get => _autoFitTextRange;
set => _autoFitTextRange = value;
@@ -205,10 +205,10 @@ namespace FlaxEngine.GUI
{
base.Draw();
var rect = new Rectangle(new Vector2(Margin.Left, Margin.Top), Size - Margin.Size);
var rect = new Rectangle(new Float2(Margin.Left, Margin.Top), Size - Margin.Size);
if (ClipText)
Render2D.PushClip(new Rectangle(Vector2.Zero, Size));
Render2D.PushClip(new Rectangle(Float2.Zero, Size));
var color = IsMouseOver || IsNavFocused ? TextColorHighlighted : TextColor;

6
Source/Engine/UI/GUI/Common/RenderToTextureControl.cs
View File

@@ -10,7 +10,7 @@ namespace FlaxEngine.GUI
private bool _invalid, _redrawRegistered, _isDuringTextureDraw;
private bool _autoSize = true;
private GPUTexture _texture;
private Vector2 _textureSize;
private Float2 _textureSize;
/// <summary>
/// Gets the texture with cached children controls.
@@ -38,7 +38,7 @@ namespace FlaxEngine.GUI
/// Gets or sets the size of the texture (in pixels).
/// </summary>
[EditorOrder(20), VisibleIf("CanEditTextureSize"), Limit(0, 4096), Tooltip("The size of the texture (in pixels).")]
public Vector2 TextureSize
public Float2 TextureSize
{
get => _textureSize;
set
@@ -113,7 +113,7 @@ namespace FlaxEngine.GUI
// Draw cached texture
if (_texture && !_invalid && !_isDuringTextureDraw)
{
var bounds = new Rectangle(Vector2.Zero, Size);
var bounds = new Rectangle(Float2.Zero, Size);
var backgroundColor = BackgroundColor;
if (backgroundColor.A > 0.0f)
Render2D.FillRectangle(bounds, backgroundColor);

24
Source/Engine/UI/GUI/Common/RichTextBoxBase.cs
View File

@@ -91,21 +91,21 @@ namespace FlaxEngine.GUI
}
/// <inheritdoc />
public override Vector2 GetTextSize()
public override Float2 GetTextSize()
{
var count = _textBlocks.Count;
var textBlocks = Utils.ExtractArrayFromList(_textBlocks);
var max = Vector2.Zero;
var max = Float2.Zero;
for (int i = 0; i < count; i++)
{
ref TextBlock textBlock = ref textBlocks[i];
max = Vector2.Max(max, textBlock.Bounds.BottomRight);
max = Float2.Max(max, textBlock.Bounds.BottomRight);
}
return max;
}
/// <inheritdoc />
public override Vector2 GetCharPosition(int index, out float height)
public override Float2 GetCharPosition(int index, out float height)
{
var count = _textBlocks.Count;
var textBlocks = Utils.ExtractArrayFromList(_textBlocks);
@@ -114,7 +114,7 @@ namespace FlaxEngine.GUI
if (count == 0)
{
height = 0;
return Vector2.Zero;
return Float2.Zero;
}
// Check if get first character position
@@ -172,13 +172,13 @@ namespace FlaxEngine.GUI
}
height = 0;
return Vector2.Zero;
return Float2.Zero;
}
/// <inheritdoc />
public override int HitTestText(Vector2 location)
public override int HitTestText(Float2 location)
{
location = Vector2.Clamp(location, Vector2.Zero, _textSize);
location = Float2.Clamp(location, Float2.Zero, _textSize);
var textBlocks = Utils.ExtractArrayFromList(_textBlocks);
var count = _textBlocks.Count;
@@ -202,7 +202,7 @@ namespace FlaxEngine.GUI
}
/// <inheritdoc />
public override bool OnMouseDoubleClick(Vector2 location, MouseButton button)
public override bool OnMouseDoubleClick(Float2 location, MouseButton button)
{
// Select the word under the mouse
int textLength = TextLength;
@@ -223,7 +223,7 @@ namespace FlaxEngine.GUI
public override void DrawSelf()
{
// Cache data
var rect = new Rectangle(Vector2.Zero, Size);
var rect = new Rectangle(Float2.Zero, Size);
bool enabled = EnabledInHierarchy;
// Background
@@ -279,8 +279,8 @@ namespace FlaxEngine.GUI
// Selection
if (hasSelection && textBlock.Style.BackgroundSelectedBrush != null && textBlock.Range.Intersect(ref selection))
{
Vector2 leftEdge = selection.StartIndex <= textBlock.Range.StartIndex ? textBlock.Bounds.UpperLeft : font.GetCharPosition(_text, selection.StartIndex);
Vector2 rightEdge = selection.EndIndex >= textBlock.Range.EndIndex ? textBlock.Bounds.UpperRight : font.GetCharPosition(_text, selection.EndIndex);
var leftEdge = selection.StartIndex <= textBlock.Range.StartIndex ? textBlock.Bounds.UpperLeft : font.GetCharPosition(_text, selection.StartIndex);
var rightEdge = selection.EndIndex >= textBlock.Range.EndIndex ? textBlock.Bounds.UpperRight : font.GetCharPosition(_text, selection.EndIndex);
float height = font.Height / DpiScale;
float alpha = Mathf.Min(1.0f, Mathf.Cos(_animateTime * BackgroundSelectedFlashSpeed) * 0.5f + 1.3f);
alpha *= alpha;

18
Source/Engine/UI/GUI/Common/TextBox.cs
View File

@@ -95,25 +95,25 @@ namespace FlaxEngine.GUI
}
/// <inheritdoc />
public override Vector2 GetTextSize()
public override Float2 GetTextSize()
{
var font = Font.GetFont();
if (font == null)
{
return Vector2.Zero;
return Float2.Zero;
}
return font.MeasureText(_text, ref _layout);
}
/// <inheritdoc />
public override Vector2 GetCharPosition(int index, out float height)
public override Float2 GetCharPosition(int index, out float height)
{
var font = Font.GetFont();
if (font == null)
{
height = Height;
return Vector2.Zero;
return Float2.Zero;
}
height = font.Height / DpiScale;
@@ -121,7 +121,7 @@ namespace FlaxEngine.GUI
}
/// <inheritdoc />
public override int HitTestText(Vector2 location)
public override int HitTestText(Float2 location)
{
var font = Font.GetFont();
if (font == null)
@@ -144,7 +144,7 @@ namespace FlaxEngine.GUI
public override void DrawSelf()
{
// Cache data
var rect = new Rectangle(Vector2.Zero, Size);
var rect = new Rectangle(Float2.Zero, Size);
bool enabled = EnabledInHierarchy;
var font = Font.GetFont();
if (!font)
@@ -166,8 +166,8 @@ namespace FlaxEngine.GUI
// Check if sth is selected to draw selection
if (HasSelection)
{
Vector2 leftEdge = font.GetCharPosition(_text, SelectionLeft, ref _layout);
Vector2 rightEdge = font.GetCharPosition(_text, SelectionRight, ref _layout);
var leftEdge = font.GetCharPosition(_text, SelectionLeft, ref _layout);
var rightEdge = font.GetCharPosition(_text, SelectionRight, ref _layout);
float fontHeight = font.Height / DpiScale;
// Draw selection background
@@ -230,7 +230,7 @@ namespace FlaxEngine.GUI
}
/// <inheritdoc />
public override bool OnMouseDoubleClick(Vector2 location, MouseButton button)
public override bool OnMouseDoubleClick(Float2 location, MouseButton button)
{
SelectAll();
return base.OnMouseDoubleClick(location, button);

51
Source/Engine/UI/GUI/Common/TextBoxBase.cs
View File

@@ -62,17 +62,17 @@ namespace FlaxEngine.GUI
/// <summary>
/// The view offset
/// </summary>
protected Vector2 _viewOffset;
protected Float2 _viewOffset;
/// <summary>
/// The target view offset.
/// </summary>
protected Vector2 _targetViewOffset;
protected Float2 _targetViewOffset;
/// <summary>
/// The text size calculated from font.
/// </summary>
protected Vector2 _textSize;
protected Float2 _textSize;
/// <summary>
/// Flag used to indicate whenever text can contain multiple lines.
@@ -231,7 +231,7 @@ namespace FlaxEngine.GUI
/// <summary>
/// Gets the size of the text (cached).
/// </summary>
public Vector2 TextSize => _textSize;
public Float2 TextSize => _textSize;
/// <summary>
/// Occurs when target view offset gets changed.
@@ -241,21 +241,20 @@ namespace FlaxEngine.GUI
/// <summary>
/// Gets the current view offset (text scrolling offset). Includes the smoothing.
/// </summary>
public Vector2 ViewOffset => _viewOffset;
public Float2 ViewOffset => _viewOffset;
/// <summary>
/// Gets or sets the target view offset (text scrolling offset).
/// </summary>
[NoAnimate, NoSerialize, HideInEditor]
public Vector2 TargetViewOffset
public Float2 TargetViewOffset
{
get => _targetViewOffset;
set
{
value = Vector2.Round(value);
if (Vector2.NearEqual(ref value, ref _targetViewOffset))
value = Float2.Round(value);
if (Float2.NearEqual(ref value, ref _targetViewOffset))
return;
_targetViewOffset = _viewOffset = value;
OnTargetViewOffsetChanged();
}
@@ -391,7 +390,7 @@ namespace FlaxEngine.GUI
get
{
const float caretWidth = 1.2f;
Vector2 caretPos = GetCharPosition(CaretPosition, out var height);
Float2 caretPos = GetCharPosition(CaretPosition, out var height);
return new Rectangle(
caretPos.X - (caretWidth * 0.5f),
caretPos.Y,
@@ -462,7 +461,7 @@ namespace FlaxEngine.GUI
/// </summary>
public virtual void ResetViewOffset()
{
TargetViewOffset = Vector2.Zero;
TargetViewOffset = Float2.Zero;
}
/// <summary>
@@ -550,7 +549,7 @@ namespace FlaxEngine.GUI
// If it's empty
if (_text.Length == 0)
{
TargetViewOffset = Vector2.Zero;
TargetViewOffset = Float2.Zero;
return;
}
@@ -564,8 +563,8 @@ namespace FlaxEngine.GUI
Rectangle textArea = TextRectangle;
// Update view offset (caret needs to be in a view)
Vector2 caretInView = caretBounds.Location - _targetViewOffset;
Vector2 clampedCaretInView = Vector2.Clamp(caretInView, textArea.UpperLeft, textArea.BottomRight);
var caretInView = caretBounds.Location - _targetViewOffset;
var clampedCaretInView = Float2.Clamp(caretInView, textArea.UpperLeft, textArea.BottomRight);
TargetViewOffset += caretInView - clampedCaretInView;
}
@@ -593,7 +592,7 @@ namespace FlaxEngine.GUI
/// </summary>
/// <param name="location">The location (in control-space).</param>
/// <returns>The character index under the location</returns>
public virtual int CharIndexAtPoint(ref Vector2 location)
public virtual int CharIndexAtPoint(ref Float2 location)
{
return HitTestText(location + _viewOffset);
}
@@ -849,7 +848,7 @@ namespace FlaxEngine.GUI
if (!IsMultiline)
return 0;
Vector2 location = GetCharPosition(index, out var height);
var location = GetCharPosition(index, out var height);
location.Y += height;
return HitTestText(location);
@@ -860,7 +859,7 @@ namespace FlaxEngine.GUI
if (!IsMultiline)
return _text.Length;
Vector2 location = GetCharPosition(index, out var height);
var location = GetCharPosition(index, out var height);
location.Y -= height;
return HitTestText(location);
@@ -870,7 +869,7 @@ namespace FlaxEngine.GUI
/// Calculates total text size. Called by <see cref="OnTextChanged"/> to cache the text size.
/// </summary>
/// <returns>The total text size.</returns>
public abstract Vector2 GetTextSize();
public abstract Float2 GetTextSize();
/// <summary>
/// Calculates character position for given character index.
@@ -878,14 +877,14 @@ namespace FlaxEngine.GUI
/// <param name="index">The text position to get it's coordinates.</param>
/// <param name="height">The character height (at the given character position).</param>
/// <returns>The character position (upper left corner which can be used for a caret position).</returns>
public abstract Vector2 GetCharPosition(int index, out float height);
public abstract Float2 GetCharPosition(int index, out float height);
/// <summary>
/// Calculates hit character index at given location.
/// </summary>
/// <param name="location">The location to test.</param>
/// <returns>The selected character position index (can be equal to text length if location is outside of the layout rectangle).</returns>
public abstract int HitTestText(Vector2 location);
public abstract int HitTestText(Float2 location);
/// <summary>
/// Called when is multiline gets changed.
@@ -984,7 +983,7 @@ namespace FlaxEngine.GUI
_animateTime += deltaTime;
// Animate view offset
_viewOffset = isDeltaSlow ? _targetViewOffset : Vector2.Lerp(_viewOffset, _targetViewOffset, deltaTime * 20.0f);
_viewOffset = isDeltaSlow ? _targetViewOffset : Float2.Lerp(_viewOffset, _targetViewOffset, deltaTime * 20.0f);
base.Update(deltaTime);
}
@@ -1039,7 +1038,7 @@ namespace FlaxEngine.GUI
}
/// <inheritdoc />
public override void OnMouseMove(Vector2 location)
public override void OnMouseMove(Float2 location)
{
base.OnMouseMove(location);
@@ -1054,7 +1053,7 @@ namespace FlaxEngine.GUI
}
/// <inheritdoc />
public override bool OnMouseDown(Vector2 location, MouseButton button)
public override bool OnMouseDown(Float2 location, MouseButton button)
{
if (base.OnMouseDown(location, button))
return true;
@@ -1093,7 +1092,7 @@ namespace FlaxEngine.GUI
}
/// <inheritdoc />
public override bool OnMouseUp(Vector2 location, MouseButton button)
public override bool OnMouseUp(Float2 location, MouseButton button)
{
if (base.OnMouseUp(location, button))
return true;
@@ -1108,7 +1107,7 @@ namespace FlaxEngine.GUI
}
/// <inheritdoc />
public override bool OnMouseWheel(Vector2 location, float delta)
public override bool OnMouseWheel(Float2 location, float delta)
{
if (base.OnMouseWheel(location, delta))
return true;
@@ -1116,7 +1115,7 @@ namespace FlaxEngine.GUI
// Multiline scroll
if (IsMultiline && _text.Length != 0)
{
TargetViewOffset = Vector2.Clamp(_targetViewOffset - new Vector2(0, delta * 10.0f), Vector2.Zero, new Vector2(_targetViewOffset.X, _textSize.Y));
TargetViewOffset = Float2.Clamp(_targetViewOffset - new Float2(0, delta * 10.0f), Float2.Zero, new Float2(_targetViewOffset.X, _textSize.Y));
return true;
}