Node CreatePointer(Node parent, float width, bool arrowDown, TrailDecoration decoration, Vector3 start, Vector3 end)
{
var length = Vector3.Distance(start, end);
var minLength = width * 6;
var arrowWidth = width * 2;
var arrowHeight = width * 4;
var lineHeight = length - arrowHeight;
if (length < minLength)
{
lineHeight = minLength - arrowHeight;
}
var plateheight = .05f;
var plateWidth = 2.2f;
var pointer = parent.CreateChild();
var line = CreateShape <Cylinder>(pointer, decoration, new Vector3(0, arrowDown ? arrowHeight + (lineHeight / 2f) : lineHeight / 2f, 0), new Vector3(width, lineHeight, width));
var arrow = CreateShape <Cone>(pointer, decoration, new Vector3(0, arrowDown ? arrowHeight / 2f : lineHeight + (arrowHeight / 2f), 0), new Vector3(arrowWidth, arrowHeight, arrowWidth));
if (arrowDown)
{
arrow.Roll(180);
}
var plate = CreateShape <Cylinder>(parent, decoration, new Vector3(0, -plateheight / 2f, 0), new Vector3(plateWidth, plateheight, plateWidth));
parent.SetWorldPosition(end);
pointer.LookAt(start, Vector3.Up, TransformSpace.World);
pointer.Pitch(90);
return(pointer);
}
Node CreateShape <T>(Node parent, TrailDecoration decoration, Vector3 position, Vector3 scale)
where T : Shape
{
var node = parent.CreateChild();
var shape = node.CreateComponent <T>();
node.Scale = scale;
node.Position = position;
shape.Color = new Color(decoration.R / 255f, decoration.G / 255f, decoration.B / 255f, decoration.A / 255f);
shape.Material.SetTechnique(0, CoreAssets.Techniques.NoTextureUnlitAlpha); //self illuminating
shape.ViewMask = 1; //invisible to Selection Manager
return(node);
}
