/// <summary>
/// Fires on mouse drag
/// </summary>
/// <param name="data">Event data</param>
public void OnDrag(PointerEventData data)
{
//Resize
RectTransformUtility.ScreenPointToLocalPointInRectangle(this.panelTransform, data.position, data.pressEventCamera, out Vector2 localMousePos);
Vector2 offset = localMousePos - this.originalMousePos;
Vector2 sizeDelta = this.originalSizeDelta + new Vector2(offset.x, -offset.y);
sizeDelta = DESUtils.ClampVector2(sizeDelta, this.min, this.max);
//Make sure we're not outside of the draw zone
Vector2 pos = this.panelTransform.localPosition;
Vector2 bounds = new Vector2(this.parentTransform.rect.max.x - this.panelTransform.rect.max.x, this.parentTransform.rect.min.y - this.panelTransform.rect.min.y) - offset;
Vector2 currentDelta = this.panelTransform.sizeDelta;
this.panelTransform.sizeDelta = new Vector2(pos.x > bounds.x ? currentDelta.x : sizeDelta.x, pos.y < bounds.y ? currentDelta.y : sizeDelta.y);
}
/// <summary>
/// Fires on mouse drag
/// </summary>
/// <param name="data">Event data</param>
public void OnDrag(PointerEventData data)
{
//Move window
if (RectTransformUtility.ScreenPointToLocalPointInRectangle(this.parentTransform, data.position, data.pressEventCamera, out Vector2 mousePos))
{
Vector2 offset = mousePos - this.originalMousePos;
this.panelTransform.localPosition = this.originalPanelPos + offset;
}
//Clamp window
Vector2 pos = this.panelTransform.localPosition;
Vector2 minPos = this.parentTransform.rect.min - this.panelTransform.rect.min;
Vector2 maxPos = this.parentTransform.rect.max - this.panelTransform.rect.max;
this.panelTransform.localPosition = DESUtils.ClampVector2(pos, minPos, maxPos);
}
