/// <summary>
/// Based on current state, either deactivates this UnityCurve, activates this UnityCurve, or switches to a curve while already active.
/// </summary>
/// <param name="curveToChangeTo">The desired curve to change to. If null, deactivates this UnityCurve.</param>
public void ChangeToCurve(Curve curveToChangeTo)
{
// Deactivate this UnityCurve once we hit start index
if (curveToChangeTo == null && Active)
{
Deactivate();
}
// Check if this UnityCurve has not been activated yet
if (curveToChangeTo != null && !Active)
{
Activate(curveToChangeTo);
}
// Normal case: deactivate current curve and activate next
if (curveToChangeTo != null && Active)
{
PreviousCurveValue = Value;
CurrentCurve.Deactivate();
CurrentCurve = curveToChangeTo;
CurrentCurve.Activate();
CurrentCurveValue = 0;
CurrentCurveTime = 0;
}
}
//met à jour les positions des sliders sur l'interface
private void UpdateSliders()
{
//Nettoyage des sliders
foreach (BoxSlider slider in sliders)
{
Destroy(slider.gameObject);
}
sliders = new List <BoxSlider>();
List <Vector2> keys = CurrentCurve.GetKeys();
foreach (Vector2 key in keys)
{
GameObject sliderObj = Instantiate(sliderPref, transform);
BoxSliderKey boxSlider = sliderObj.GetComponent <BoxSliderKey>();
sliderObj.SetActive(EditCurve);
Vector2 keyScreen = CurveToScreen(key);
boxSlider.ValueX = keyScreen.x;
boxSlider.ValueY = keyScreen.y;
boxSlider.editableCurve = this;
sliders.Add(boxSlider);
}
}
//récupère la position de la souris pour déterminer si il faut afficher la nouvelle clé, et la créer
private void ProcessMouseInput()
{
Vector2 mouseScreenPos = Input.mousePosition;
Vector2 mouseLocalPos = Rect.PointToNormalized(rect.rect, rect.InverseTransformPoint(mouseScreenPos));
//la position du marker, dans le repère local
Vector2 keyMarkerPos = new Vector2(
mouseLocalPos.x,
CurveToScreenY(CurrentCurve.Get(mouseLocalPos.x * TimeSpan))
);
bool canAddKey = Mathf.Abs(mouseLocalPos.y - keyMarkerPos.y) < distToAddKey;
foreach (Vector2 key in CurrentCurve.GetKeys())
{
// canAddKey = canAddKey && (mouseLocalPos - CurveToScreen(key) ).sqrMagnitude > distToAddKey * distToAddKey;
canAddKey = canAddKey && Mathf.Abs(mouseLocalPos.x - CurveToScreen(key).x) > distToAddKey; //???
}
AddKeyMarker.SetActive(canAddKey);
if (canAddKey)
{
AddKeyMarker.transform.localPosition = Rect.NormalizedToPoint(rect.rect, keyMarkerPos);
if (Input.GetMouseButtonDown(0))
{
AddKey(ScreenToCurve(keyMarkerPos));
}
}
}
/// <summary>
/// Dectivates this UnityCurve and ends curve modulation.
/// Resets all variables.
/// </summary>
public void Deactivate()
{
CurrentCurve.Deactivate();
CurrentCurve = null;
CurrentCurveTime = 0;
TotalCurveTime = 0;
PreviousCurveValue = defaultValue;
CurrentCurveValue = 0;
deactivationEvent.Invoke();
}
//supprime un slider
public void RemoveSlider(BoxSlider slider)
{
int id = sliders.IndexOf(slider);
sliders.Remove(slider);
Destroy(slider.gameObject);
CurrentCurve.RemoveKeyAt(id);
UpdateLineRender();
}
//met à jour l'affichage de la courbe
private void UpdateLineRender()
{
if (rend == null)
{
return;
}
for (int i = 0; i < rend.Points.Length; i++)
{
rend.Points[i].y = CurveToScreenY(CurrentCurve.Get(rend.Points[i].x * TimeSpan));
}
rend.SetAllDirty();
}
//applique les modifs depuis le slider vers la courbe, et met a jour l'affichage
public void UpdateCurveKey(BoxSlider changedSlider)
{
//tri de la liste des sliders, et conservation des indice avant et après le tri
int oldId = sliders.IndexOf(changedSlider);
sliders.Sort(CompSliders);
int newId = sliders.IndexOf(changedSlider);
if (oldId > newId)
{
int tmp = oldId;
oldId = newId;
newId = tmp;
}
for (int id = oldId; id <= newId; id++)
{
BoxSliderKey currentSlider = sliders[id].GetComponent <BoxSliderKey>();
Vector2 keyPos = ScreenToCurve(new Vector2(currentSlider.ValueX, currentSlider.ValueY));
CurrentCurve.ChangeKeyById(id, keyPos);
}
UpdateLineRender();
}
//ajoute une clé a la courbe et met a jour l'affichage
public void AddKey(Vector2 key)
{
CurrentCurve.AddKey(key);
UpdateSliders();
UpdateLineRender();
}
