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add smooth in tangent and smooth out tangent

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This commit is contained in:
Ruan Lucas
2023-07-20 10:52:07 -04:00
parent 902a3c1eed
commit 50f1688140
1 changed files with 134 additions and 2 deletions
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136
Source/Editor/CustomEditors/Dedicated/SplineEditor.cs
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@@ -182,11 +182,100 @@ namespace FlaxEditor.CustomEditors.Dedicated
}
}
/// <summary>
/// Edit curve options manipulate the curve setting selected point
/// tangent in as smoothed but tangent out as linear
/// </summary>
private sealed class SmoothInTangentMode : EditTangentOptionBase
{
/// <inheritdoc/>
public override void OnSetMode(Spline spline, int index)
{
var keyframe = spline.GetSplineKeyframe(index);
// auto smooth tangent if's linear
if (keyframe.TangentIn.Translation.Length == 0)
{
var isLastKeyframe = index == spline.SplinePointsCount - 1;
var isFirstKeyframe = index == 0;
if (!isLastKeyframe)
{
var nexKeyframe = spline.GetSplineKeyframe(index + 1);
var directionToNextKeyframe = keyframe.Value.WorldToLocalVector(keyframe.Value.Translation - nexKeyframe.Value.Translation);
directionToNextKeyframe = directionToNextKeyframe.Normalized * 100f;
keyframe.TangentIn.Translation = directionToNextKeyframe;
}
}
keyframe.TangentOut.Translation = Vector3.Zero;
spline.SetSplineKeyframe(index, keyframe);
}
/// <inheritdoc/>
public override void OnMoveTangentIn(Spline spline, int index) { }
/// <inheritdoc/>
public override void OnMoveTangentOut(Spline spline, int index) { }
/// <inheritdoc/>
public override void OnSelectKeyframe(Spline spline, int index) { }
/// <inheritdoc/>
public override void OnSelectTangent(Spline spline, int index) { }
}
/// <summary>
/// Edit curve options manipulate the curve setting selected point
/// tangent in as linear but tangent out as smoothed
/// </summary>
private sealed class SmoothOutTangentMode : EditTangentOptionBase
{
/// <inheritdoc/>
public override void OnSetMode(Spline spline, int index)
{
var keyframe = spline.GetSplineKeyframe(index);
// auto smooth tangent if's linear
if (keyframe.TangentOut.Translation.Length == 0)
{
var isFirstKeyframe = index == 0;
if (!isFirstKeyframe)
{
var previousKeyframe = spline.GetSplineKeyframe(index - 1);
var directionToPreviousKeyframe = keyframe.Value.WorldToLocalVector(keyframe.Value.Translation - previousKeyframe.Value.Translation);
directionToPreviousKeyframe = directionToPreviousKeyframe.Normalized * 100f;
keyframe.TangentOut.Translation = directionToPreviousKeyframe;
}
}
keyframe.TangentIn.Translation = Vector3.Zero;
spline.SetSplineKeyframe(index, keyframe);
}
/// <inheritdoc/>
public override void OnMoveTangentIn(Spline spline, int index) { }
/// <inheritdoc/>
public override void OnMoveTangentOut(Spline spline, int index) { }
/// <inheritdoc/>
public override void OnSelectKeyframe(Spline spline, int index) { }
/// <inheritdoc/>
public override void OnSelectTangent(Spline spline, int index) { }
}
private EditTangentOptionBase _currentTangentMode;
private ButtonElement _freeTangentButton;
private ButtonElement _linearTangentButton;
private ButtonElement _alignedTangentButton;
private ButtonElement _smoothInTangentButton;
private ButtonElement _smoothOutTangentButton;
private bool _tanInChanged;
private bool _tanOutChanged;
@@ -231,19 +320,25 @@ namespace FlaxEditor.CustomEditors.Dedicated
layout.Header("Selected spline point");
var selectedPointsGrid = layout.CustomContainer<UniformGridPanel>();
selectedPointsGrid.CustomControl.SlotsHorizontally = 3;
selectedPointsGrid.CustomControl.SlotsVertically = 1;
selectedPointsGrid.CustomControl.SlotsVertically = 2;
_linearTangentButton = selectedPointsGrid.Button("Linear");
_freeTangentButton = selectedPointsGrid.Button("Free");
_alignedTangentButton = selectedPointsGrid.Button("Aligned");
_smoothInTangentButton = selectedPointsGrid.Button("Smooth In");
_smoothOutTangentButton = selectedPointsGrid.Button("Smooth Out");
_linearTangentButton.Button.Clicked += SetModeLinear;
_freeTangentButton.Button.Clicked += SetModeFree;
_alignedTangentButton.Button.Clicked += SetModeAligned;
_smoothInTangentButton.Button.Clicked += SetModeSmoothIn;
_smoothOutTangentButton.Button.Clicked += SetModeSmoothOut;
_linearTangentButton.Button.Clicked += UpdateButtonsColors;
_freeTangentButton.Button.Clicked += UpdateButtonsColors;
_alignedTangentButton.Button.Clicked += UpdateButtonsColors;
_smoothInTangentButton.Button.Clicked += UpdateButtonsColors;
_smoothOutTangentButton.Button.Clicked += UpdateButtonsColors;
layout.Header("All spline points");
var grid = layout.CustomContainer<UniformGridPanel>();
@@ -265,6 +360,8 @@ namespace FlaxEditor.CustomEditors.Dedicated
_freeTangentButton.Button.Enabled = CanSetTangentMode;
_linearTangentButton.Button.Enabled = CanSetTangentMode;
_alignedTangentButton.Button.Enabled = CanSetTangentMode;
_smoothInTangentButton.Button.Enabled = CanSetTangentMode;
_smoothOutTangentButton.Button.Enabled = CanSetTangentMode;
if (_lastPointSelected == null)
{
@@ -318,6 +415,18 @@ namespace FlaxEditor.CustomEditors.Dedicated
_currentTangentMode.OnSetMode(SelectedSpline, _lastPointSelected.Index);
}
private void SetModeSmoothIn()
{
_currentTangentMode = new SmoothInTangentMode();
_currentTangentMode.OnSetMode(SelectedSpline, _lastPointSelected.Index);
}
private void SetModeSmoothOut()
{
_currentTangentMode = new SmoothOutTangentMode();
_currentTangentMode.OnSetMode(SelectedSpline, _lastPointSelected.Index);
}
private void UpdateSelectedPoint()
{
// works only if select one spline
@@ -373,10 +482,14 @@ namespace FlaxEditor.CustomEditors.Dedicated
var isFree = _currentTangentMode is FreeTangentMode;
var isLinear = _currentTangentMode is LinearTangentMode;
var isAligned = _currentTangentMode is AlignedTangentMode;
var isSmoothIn = _currentTangentMode is SmoothInTangentMode;
var isSmoothOut = _currentTangentMode is SmoothOutTangentMode;
_linearTangentButton.Button.BackgroundColor = isLinear ? SelectedButtonColor : NormalButtonColor;
_freeTangentButton.Button.BackgroundColor = isFree ? SelectedButtonColor : NormalButtonColor;
_alignedTangentButton.Button.BackgroundColor = isAligned ? SelectedButtonColor : NormalButtonColor;
_smoothInTangentButton.Button.BackgroundColor = isSmoothIn ? SelectedButtonColor : NormalButtonColor;
_smoothOutTangentButton.Button.BackgroundColor = isSmoothOut ? SelectedButtonColor : NormalButtonColor;
}
private void SetSelectedTangentTypeAsCurrent()
@@ -384,10 +497,14 @@ namespace FlaxEditor.CustomEditors.Dedicated
var isFree = IsFreeTangentMode(SelectedSpline, _lastPointSelected.Index);
var isLinear = IsLinearTangentMode(SelectedSpline, _lastPointSelected.Index);
var isAligned = IsAlignedTangentMode(SelectedSpline, _lastPointSelected.Index);
var isSmoothIn = IsSmoothInTangentMode(SelectedSpline, _lastPointSelected.Index);
var isSmoothOut = IsSmoothOutTangentMode(SelectedSpline, _lastPointSelected.Index);
if (isFree) SetModeFree();
else if (isLinear) SetModeLinear();
else if (isAligned) SetModeAligned();
else if (isSmoothIn) SetModeSmoothIn();
else if (isSmoothOut) SetModeSmoothIn();
}
private void OnSetTangentsLinear()
@@ -426,7 +543,10 @@ namespace FlaxEditor.CustomEditors.Dedicated
private static bool IsFreeTangentMode(Spline spline, int index)
{
if (IsLinearTangentMode(spline, index) || IsAlignedTangentMode(spline, index))
if (IsLinearTangentMode(spline, index) ||
IsAlignedTangentMode(spline, index) ||
IsSmoothInTangentMode(spline, index) ||
IsSmoothOutTangentMode(spline, index))
{
return false;
}
@@ -461,6 +581,18 @@ namespace FlaxEditor.CustomEditors.Dedicated
return false;
}
private static bool IsSmoothInTangentMode(Spline spline, int index)
{
var keyframe = spline.GetSplineKeyframe(index);
return keyframe.TangentIn.Translation.Length > 0 && keyframe.TangentOut.Translation.Length == 0;
}
private static bool IsSmoothOutTangentMode(Spline spline, int index)
{
var keyframe = spline.GetSplineKeyframe(index);
return keyframe.TangentOut.Translation.Length > 0 && keyframe.TangentIn.Translation.Length == 0;
}
private static void SetPointSmooth(Spline spline, int index)
{
var keyframe = spline.GetSplineKeyframe(index);