public override void Run(Canguro.View.GraphicView activeView)
{
/// Get the joint list
ItemList<Joint> jList = Canguro.Model.Model.Instance.JointList;
// We need two vectors for having mininum and maximum BB corners
Vector3 min = new Vector3(-1, -1, -1);
Vector3 max = new Vector3(1, 1, 1);
/// Get maximum and minimun from joint list
foreach (Joint j in jList)
{
if (j != null && j.IsVisible )
{
Vector3 pos = j.Position;
min.X = (min.X > pos.X) ? pos.X : min.X;
min.Y = (min.Y > pos.Y) ? pos.Y : min.Y;
min.Z = (min.Z > pos.Z) ? pos.Z : min.Z;
max.X = (max.X < pos.X) ? pos.X : max.X;
max.Y = (max.Y < pos.Y) ? pos.Y : max.Y;
max.Z = (max.Z < pos.Z) ? pos.Z : max.Z;
}
}
/// Get line list
ItemList<LineElement> lineList = Canguro.Model.Model.Instance.LineList;
/// When all joints are invisible, we cannot compute a BB, so lets check against line joints
foreach (LineElement l in lineList)
{
if (l != null && l.IsVisible)
{
Vector3 pos = l.I.Position;
min.X = (min.X > pos.X) ? pos.X : min.X;
min.Y = (min.Y > pos.Y) ? pos.Y : min.Y;
min.Z = (min.Z > pos.Z) ? pos.Z : min.Z;
max.X = (max.X < pos.X) ? pos.X : max.X;
max.Y = (max.Y < pos.Y) ? pos.Y : max.Y;
max.Z = (max.Z < pos.Z) ? pos.Z : max.Z;
pos = l.J.Position;
min.X = (min.X > pos.X) ? pos.X : min.X;
min.Y = (min.Y > pos.Y) ? pos.Y : min.Y;
min.Z = (min.Z > pos.Z) ? pos.Z : min.Z;
max.X = (max.X < pos.X) ? pos.X : max.X;
max.Y = (max.Y < pos.Y) ? pos.Y : max.Y;
max.Z = (max.Z < pos.Z) ? pos.Z : max.Z;
}
}
if (min.X < max.X)
{
// Diagonal de bounding box
Vector3 diagonal = max - min;
Vector3 center = min + Vector3.Multiply(diagonal, 0.5f);
float modelSize = Vector3.Length(diagonal);
float screenSize = (float)Math.Min(activeView.Viewport.Height-20, activeView.Viewport.Width-20);
/************ Codigo genial **************
* Calculo de escala
* Calculo de traslacion
*****************************************/
// Translation to bounding box center
Vector3 centerProjected = center;
activeView.Project(ref centerProjected);
MouseEventArgs e = new MouseEventArgs(MouseButtons.Left, 1, (int)centerProjected.X, (int)centerProjected.Y, 0);
activeView.ArcBallCtrl.OnBeginPan(e);
e = new MouseEventArgs(MouseButtons.Left, 1, activeView.Viewport.Width/2, activeView.Viewport.Height/2, 0);
activeView.ArcBallCtrl.OnMovePan(e);
activeView.ViewMatrix = activeView.ArcBallCtrl.ViewMatrix;
// View volume scaling
Vector2[] maxDims = findMaxPoints(min, max, activeView);
float sizeX = maxDims[1].X - maxDims[0].X;
float sizeY = maxDims[1].Y - maxDims[0].Y;
float newScale = 0.0f;
newScale = screenSize * activeView.ArcBallCtrl.ScalingFac / (float)Math.Max(sizeX, sizeY);
activeView.ArcBallCtrl.ZoomAbsolute(newScale);
activeView.ViewMatrix = activeView.ArcBallCtrl.ViewMatrix;
}
}