void IPointerDownHandler.OnPointerDown(PointerEventData eventData)
{
// If the slider is close to zero users may not be able to see that it can be dragged, in that case, set
// it to where they tap the slider
if (Math.Abs(m_Slider.fillAmount) < 0.01f)
{
var pointerPos = eventData.LocalPosition(m_ContainerRect);
var rect = m_ContainerRect.rect;
var factor = (pointerPos.x + rect.width / 2f) / rect.width;
if (m_NumberType == NumberType.Float)
{
var value = Mathf.Lerp(m_MinFloat, m_MaxFloat, factor);
var newFloat = ProcessNumber(value);
text = newFloat.ToString(m_FloatFieldFormatString);
onFloatValueChanged.Invoke(newFloat);
}
else
{
var value = Mathf.Lerp(m_MinInt, m_MaxInt, factor);
var newInt = ProcessNumber(Mathf.RoundToInt(value));
text = newInt.ToString(k_IntFieldFormatString);
onIntValueChanged.Invoke(newInt);
}
}
m_SliderColorTween.startColor = m_Slider.color;
m_SliderColorTween.targetColor = UIConfig.propertySelectedColor;
m_SliderColorTweenRunner.StartTween(m_SliderColorTween, EaseType.EaseOutCubic);
}
public override void OnBeginDrag(PointerEventData eventData)
{
m_LastPointerPosition = eventData.LocalPosition(m_Rect);
if (float.TryParse(m_Text, out m_FloatValue))
{
m_IsDragging = true;
m_DragValue = 0;
UpdateValue();
}
}
public override void OnDrag(PointerEventData eventData)
{
if (m_IsDragging)
{
var pointerPos = eventData.LocalPosition(m_Rect);
var delta = pointerPos - m_LastPointerPosition;
if (!float.IsInfinity(m_DragValue + delta.x * m_Increment) && !float.IsInfinity(m_FloatValue + delta.x * m_Increment))
{
m_DragValue += delta.x * m_Increment;
m_FloatValue += delta.x * m_Increment;
}
m_LastPointerPosition = pointerPos;
UpdateValue();
}
}
protected override void DoBeginDrag(PointerEventData eventData)
{
m_StartPointerPosition = eventData.LocalPosition(m_ContainerRect);
if (m_NumberType == NumberType.Float)
{
if (!float.TryParse(text, out var num))
{
num = 0f;
}
m_StartDragFloat = num;
}
else
{
if (!int.TryParse(text, out var intNum))
{
intNum = 0;
}
m_StartDragInt = intNum;
}
}
protected override void DoDrag(PointerEventData eventData)
{
float delta;
var pointerPos = eventData.LocalPosition(m_ContainerRect);
var dragDistance = (pointerPos - m_StartPointerPosition).x;
var dragFactor = dragDistance / m_ContainerRect.rect.width;
if (m_NumberType == NumberType.Float)
{
delta = (m_MaxFloat - m_MinFloat) * dragFactor;
var newFloat = ProcessNumber(m_StartDragFloat + delta);
text = newFloat.ToString(m_FloatFieldFormatString);
onFloatValueChanged.Invoke(newFloat);
}
else
{
delta = (m_MaxInt - m_MinInt) * dragFactor;
var newInt = ProcessNumber(Mathf.RoundToInt(m_StartDragInt + delta));
text = newInt.ToString(k_IntFieldFormatString);
onIntValueChanged.Invoke(newInt);
}
}
