private void OnTouchStart(Event e)
{
if (Map != null && e is TouchEvent)
{
var te = (TouchEvent)e;
if (te != null && te.Touches != null)
{
if (te.Touches.Length == 1)
{
Touch t = te.Touches[0];
LastMousePos.Set(t.ClientX, t.ClientY);
Map.OnPress(t.ClientX, t.ClientY);
}
else if (te.Touches.Length == 2)
{
Touch t1 = te.Touches[0];
Touch t2 = te.Touches[1];
Vec2i t1Pos = new Vec2i(t1.ClientX, t1.ClientY);
Vec2i t2Pos = new Vec2i(t2.ClientX, t2.ClientY);
double distance = Vec2i.Distance(t1Pos, t2Pos);
LastPinchGestureDistance = distance;
}
}
}
}
private void OnTouchMove(Event e)
{
if (Map != null && e is TouchEvent)
{
var te = (TouchEvent)e;
if (te != null && te.Touches != null)
{
if (te.Touches.Length == 1)
{
Touch t = te.Touches[0];
LastMousePos.Set(t.ClientX, t.ClientY);
Map.OnMove(t.ClientX, t.ClientY);
}
else if (te.Touches.Length == 2)
{
Touch t1 = te.Touches[0];
Touch t2 = te.Touches[1];
Vec2i t1Pos = new Vec2i(t1.ClientX, t1.ClientY);
Vec2i t2Pos = new Vec2i(t2.ClientX, t2.ClientY);
Vec2i mid = (t1Pos + t2Pos) / 2;
double distance = Vec2i.Distance(t1Pos, t2Pos);
double delta = LastPinchGestureDistance - distance;
LastPinchGestureDistance = distance;
Map.ZoomMap(mid.x, mid.y, delta * -ZOOM_SPEED);
}
if (te.Touches.Length > 1)
{
e.PreventDefault();
}
}
}
}
private void OnMouseMove(Event e)
{
if (Map != null && e.IsMouseEvent() && e is MouseEvent)
{
var me = (MouseEvent)e;
LastMousePos.Set(me.ClientX, me.ClientY);
Map.OnMove(me.ClientX, me.ClientY);
}
}