internal void SetClickedFaceAsBottom(Ray pointer)
{
Ray adjustedPointer = new Ray(pointer.Start - offset, pointer.Direction);
hovered = false;
float distance = float.PositiveInfinity;
Vector3 clickedPoint = Vector3.Zero;
Plane clickedPlane = null;
var triangleIndex = 0;
var count = 0;
foreach (Triangle t in base.Triangles)
{
TriangleRayIntersect i = new TriangleRayIntersect(t, adjustedPointer);
if (i.Intersects)
{
float d = (adjustedPointer.Start - i.Point).Length;
if (d < distance)
{
distance = d;
clickedPoint = i.Point;
clickedPlane = t.Plane;
triangleIndex = count;
}
}
count++;
}
if (clickedPlane != null)
{
fromTransform = Transformation;
this.Transformation = Matrix4.Identity;
Vector3 originalCenter = (this.MinPoint + this.MaxPoint) * 0.5f;
clickedPlane = Triangles.ElementAt(triangleIndex).Plane;
var up = Vector3.UnitZ;
if (Math.Abs(clickedPlane.Normal.Z) > 0.95)
{
up = Vector3.UnitX;
}
Matrix4 rotate = Matrix4.LookAt(Vector3.Zero, clickedPlane.Normal, up);
rotate = rotate.ClearTranslation();
// We want the original clicked point to be at the same X and Y, and at Z = 0
Vector3 fix = Vector3.Transform(clickedPlane.Point, rotate);
Vector3 newCenter = Vector3.Transform(originalCenter, rotate);
Console.WriteLine("Original Center: " + originalCenter);
rotate = Matrix4.Mult(rotate, Matrix4.CreateTranslation(originalCenter.X - newCenter.X, originalCenter.Y - newCenter.Y, -fix.Z));
transformBeginTime = DateTime.Now;
targetTransform = rotate;
this.isTransforming = true;
this.Transformation = targetTransform;
this.GenerateTabPaths(lastToolRadius);
this.Transformation = Matrix4.Identity;
this.RefreshDisplayLists();
}
}
float IClickable3D.DistanceToObject(Ray pointer)
{
Ray adjustedPointer = new Ray(pointer.Start - offset, pointer.Direction);
hovered = false;
float distance = float.PositiveInfinity;
hoveredTriangle = null;
if (!isTransforming)
{
foreach (Triangle t in base.Triangles)
{
TriangleRayIntersect i = new TriangleRayIntersect(t, adjustedPointer);
if (i.Intersects)
{
float d = (adjustedPointer.Start - i.Point).Length;
if (d < distance)
{
distance = d;
mouseHoverPoint = i.Point;
hoveredTriangle = t;
}
}
}
}
// Remember the closest edge - debugging
//float x = 0;
//closestEdge = null;
//foreach (Edge edge in this.Edges)
//{
// List<Vector3> vertices = new List<Vector3>(edge.Vertices);
// LineSegment segment = new LineSegment(vertices[0], vertices[1]);
// float d = segment.Distance(mouseHoverPoint);
// if (d < x || closestEdge == null)
// {
// closestEdge = edge;
// x = d;
// }
//}
isPointedAt = distance < float.PositiveInfinity;
return(distance);
}
