protected void ResetView()
{
vp.Reset();
try
{
Vector3 min = new Vector3(float.MaxValue, float.MaxValue, float.MaxValue);
Vector3 max = new Vector3(float.MinValue, float.MinValue, float.MinValue);
int[] rank = { mesh.NumberVertices };
if (mesh.VertexBuffer.Description.VertexFormat == (VertexFormats)0x112)
{
CustomVertex.PositionNormalTextured[] vertices = (CustomVertex.PositionNormalTextured[])mesh.LockVertexBuffer(typeof(CustomVertex.PositionNormalTextured), LockFlags.None, rank);
try
{
foreach (CustomVertex.PositionNormalTextured v in vertices)
{
if (v.X < min.X)
{
min.X = v.X;
}
if (v.Y < min.Y)
{
min.Y = v.Y;
}
if (v.Z < min.Z)
{
min.Z = v.Z;
}
if (v.X > max.X)
{
max.X = v.X;
}
if (v.Y > max.Y)
{
max.Y = v.Y;
}
if (v.Z > max.Z)
{
max.Z = v.Z;
}
}
}
finally
{
mesh.UnlockVertexBuffer();
}
}
else if (mesh.VertexBuffer.Description.VertexFormat == VertexFormats.PositionNormal)
{
CustomVertex.PositionNormal[] vertices = (CustomVertex.PositionNormal[])mesh.LockVertexBuffer(typeof(CustomVertex.PositionNormalTextured), LockFlags.None, rank);
try
{
foreach (CustomVertex.PositionNormal v in vertices)
{
if (v.X < min.X)
{
min.X = v.X;
}
if (v.Y < min.Y)
{
min.Y = v.Y;
}
if (v.Z < min.Z)
{
min.Z = v.Z;
}
if (v.X > max.X)
{
max.X = v.X;
}
if (v.Y > max.Y)
{
max.Y = v.Y;
}
if (v.Z > max.Z)
{
max.Z = v.Z;
}
}
}
finally
{
mesh.UnlockVertexBuffer();
}
}
if (min == max)
{
max.X = min.X + 1;
max.Y = min.Y + 1;
max.Z = min.Z + 1;
}
Vector3 center = new Vector3((float)((max.X + min.X) / 2.0), (float)((max.Y + min.Y) / 2.0), (float)((max.Z + min.Z) / 2.0));
//vp.Aspect = 1;//this.Size.Width / this.Size.Height;
//vp.Aspect = Math.Max(this.Width / this.Height , this.Size.Height / this.Size.Width);
Vector3 boundingSphereRadius = new Vector3(min.X - center.X, min.Y - center.Y, min.Z - center.Z);
double radius = boundingSphereRadius.Length() / vp.Aspect;
double dist = radius / Math.Sin(vp.FoV / 2.0);
//for (int i=0; i< mesh.NumberVertices; i++) vertices[i].Subtract(center);
vp.ObjectCenter = center;
vp.X = -center.X;
vp.Y = -center.Y;
vp.Z = -center.Z;
vp.CameraTarget = new Vector3(0, 0, 0);
vp.CameraPosition = new Vector3(
0, //center.X,
0, //center.Y,
(float)dist); // + center.Z);
vp.NearPlane = 0.01f; //(float)(dist-radius);
vp.FarPlane = (float)((dist + radius));
//bbox = Mesh.Box(device, max.X-min.X, max.Y-min.Y, max.Z-min.Z);
#if DEBUG
bbox = Mesh.Sphere(device, 0.05f, 12, 4);
#endif
//Unlock the buffer
}
catch {}
}
