protected virtual void update_ticks()
{
if (TicksAreVisible == false)
{
foreach (var tick in ticks)
{
tick.go.SetVisible(false);
}
return;
}
TickMaterial.color = tickColor;
Vector2f tickSize = TickDimensions;
AxisAlignedBox2f localBounds = BoxModel.LocalBounds(this);
// create extra ticks if we need them
if (tick_count > tick_count_cache)
{
while (ticks.Count < tick_count)
{
TickGO tick = new TickGO();
tick.go = create_tick_go(tickSize, TickMaterial);
AppendNewGO(tick.go, rootGO, false);
BoxModel.Translate(tick.go, Vector2f.Zero, localBounds.CenterLeft, -Height * 0.01f);
ticks.Add(tick);
}
tick_count_cache = tick_count;
}
// align and show/hide ticks
for (int i = 0; i < ticks.Count; ++i)
{
fGameObject go = ticks[i].go;
if (i < tick_count)
{
float t = (float)i / (float)(tick_count - 1);
update_tick_go(i, go, tickSize, t);
BoxModel.MoveTo(go, localBounds.CenterLeft, -Height * 0.01f);
BoxModel.Translate(go, new Vector2f(t * Width, 0));
go.SetVisible(true);
}
else
{
ticks[i].go.SetVisible(false);
}
}
}
protected void update_labels()
{
AxisAlignedBox2f localBounds = BoxModel.LocalBounds(this);
foreach (var pair in Labels)
{
float t = (float)(pair.Key);
PositionLabel labelinfo = pair.Value;
if (labelinfo.go == null)
{
BoxPosition boxPos = BoxPosition.CenterTop;
if (labelinfo.position == LabelPositionType.CenteredAbove)
{
boxPos = BoxPosition.CenterBottom;
}
else if (labelinfo.position == LabelPositionType.BelowLeftAligned)
{
boxPos = BoxPosition.TopLeft;
}
else if (labelinfo.position == LabelPositionType.BelowRightAligned)
{
boxPos = BoxPosition.TopRight;
}
labelinfo.go = GameObjectFactory.CreateTextMeshGO("sliderlabel_" + labelinfo.text, labelinfo.text,
labelinfo.color, LabelTextHeight, boxPos);
AppendNewGO(labelinfo.go, rootGO, false);
}
if (labelinfo.position == LabelPositionType.CenteredBelow ||
labelinfo.position == LabelPositionType.BelowLeftAligned ||
labelinfo.position == LabelPositionType.BelowRightAligned)
{
BoxModel.MoveTo(labelinfo.go, localBounds.BottomLeft, -Height * 0.01f);
}
else if (labelinfo.position == LabelPositionType.CenteredAbove)
{
BoxModel.MoveTo(labelinfo.go, localBounds.TopLeft, -Height * 0.01f);
}
else
{
throw new NotSupportedException("HUDSliderBase.update_labels : unhandled LabelPositionType");
}
BoxModel.Translate(labelinfo.go, new Vector2f(t * Width, 0) + labelinfo.offset);
}
}
public override void PreRender()
{
if (IsEditing)
{
// cursor blinks every 0.5s
float dt = FPlatform.RealTime() - start_active_time;
cursor.SetVisible((int)(2 * dt) % 2 == 0);
// DO NOT DO THIS EVERY FRAME!!!
BoxModel.MoveTo(cursor, this.Bounds2D.CenterLeft, -Height * 0.1f);
Vector2f cursorPos = textMesh.TextObject.GetCursorPosition(cursor_position);
BoxModel.Translate(cursor, cursorPos);
}
else
{
cursor.SetVisible(false);
}
}