Method reLayout

trunk/win/Source/BT_OverlayComponent.cpp:864–945

}

void OverlayLayout::reLayout()
{
	// ensure components exist
	if (_components.empty())
		return;

	// get this layout's bounds
	Vec3 dims = getSize();

	// get the max children bounds
	Vec3 maxDims;
	Bounds maxBounds;
	for (int i = 0; i < _components.size(); ++i)
	{
		OverlayComponent * c = _components[i];
		maxBounds.combine(c->getBounds());
	}
	maxBounds.getDimensions(maxDims);

	if (!getStyle().isFloating())
	{
		// reset the children to 0,0
		for (int i = 0; i < _components.size(); ++i)
		{
			OverlayComponent * c = _components[i];
			c->setPosition(Vec3(0.0f));
		}
	}
	else
	{
		Vec3 pos = getStyle().getOffset();
		if (pos.magnitudeSquared() > 0.0f)
		{
			Vec3 absPos;
			absPos.x = abs(pos.x);
			absPos.y = abs(pos.y);

			// determine the position based on the absolute or percentage offset
			// x percentage check
			bool isXPercentage = (0.0f <= absPos.x && absPos.x <= 1.0f);
			if (isXPercentage)
			{
				if (pos.x < 0.0f)
					pos.x = dims.x * (1.0f - absPos.x);
				else
					pos.x = dims.x * absPos.x;
			}
			// y percentage check
			bool isYPercentage = (0.0f <= absPos.y && absPos.y <= 1.0f);
			if (isYPercentage)
			{
				if (pos.y < 0.0f)
					pos.y = dims.y * (1.0f - absPos.y);
				else
					pos.y = dims.y * absPos.y;
			}

			// position them according to the absolute positions (if such exist)