/// <summary>
/// Returns true if successful, implying a redraw
/// </summary>
/// <returns></returns>
public bool ChangeBracingAtLocation(Point2d location, DisplayState displayState)
{
// Get currently displayed nodes
List <Point2d> MyNodes = GetCurrentlyDisplayedNodes(displayState);
// Check if point is within domain
if (!location.IsWithinDomain(MyNodes))
{
return(false);
}
// Find closest node to point
var closestNode = location.FindClosest(MyNodes);
var closestNodeIndex = MyNodes.IndexOf(closestNode);
// See what side the point is relative to the node
bool above = location.Y > closestNode.Y;
bool left = location.X < closestNode.X;
// Find the relevant pixel
try
{
// Bottom Right
if (above && left)
{
this.Pixels.Where(p => p.BottomRight == closestNodeIndex).First().FlipState();
}
// Bottom Left
else if (above && !left)
{
this.Pixels.Where(p => p.BottomLeft == closestNodeIndex).First().FlipState();
}
// Top Left
else if (!above && !left)
{
this.Pixels.Where(p => p.TopLeft == closestNodeIndex).First().FlipState();
}
// Top right
else
{
this.Pixels.Where(p => p.TopRight == closestNodeIndex).First().FlipState();
}
} catch { return(false); }
return(true);
}
/// <summary>
/// Returns true if successful, implying a redraw
/// </summary>
/// <param name="location"></param>
/// <param name="displayState"></param>
/// <returns></returns>
public bool ChangeSupportAtLocation(Point2d location, DisplayState displayState)
{
// Get currently displayed nodes
List <Point2d> MyNodes = GetCurrentlyDisplayedNodes(displayState);
// Check if point is within domain
if (!location.IsWithinDomain(MyNodes, 2))
{
return(false);
}
// Find closest node to point
var closestNode = location.FindClosest(MyNodes);
// Flip status of support
closestNode.IsLocked = !closestNode.IsLocked;
return(true);
}