/// <summary>
/// Picking con plano YZ ubicado en el centro del objeto
/// </summary>
public TGCVector3 getPickingYZ(TgcRay ray, TGCVector3 objCenter)
{
//Mover aabb en Y al centro del mesh
pickingYZAabb.setExtremes(
new TGCVector3(objCenter.X - SMALL_VAL, pickingYZAabb.PMin.Y, pickingYZAabb.PMin.Z),
new TGCVector3(objCenter.X, pickingYZAabb.PMax.Y, pickingYZAabb.PMax.Z));
TGCVector3 q;
var r = TgcCollisionUtils.intersectRayAABB(ray, pickingYZAabb, out q);
if (r)
{
return(clampPickingResult(q));
}
return(objCenter);
}
/// <summary>
/// Actualiza los vertices segun los valores de HeightmapData
/// </summary>
public void updateVertices()
{
minIntensity = -1;
maxIntensity = 0;
for (var i = 0; i < vertices.Length; i++)
{
var v = vertices[i];
var intensity = HeightmapData[(int)vertices[i].X, (int)vertices[i].Z];
vertices[i].Y = intensity;
if (intensity > maxIntensity)
{
maxIntensity = intensity;
}
if (minIntensity == -1 || intensity < minIntensity)
{
minIntensity = intensity;
}
}
vbTerrain.SetData(vertices, 0, LockFlags.None);
aabb.setExtremes(new TGCVector3(0, minIntensity, 0),
new TGCVector3(HeightmapData.GetLength(0), maxIntensity, HeightmapData.GetLength(1)));
}
private void updateBB()
{
var r = new TGCVector3(mesh.Radius, mesh.Radius, mesh.Radius);
bb.setExtremes(TGCVector3.Subtract(mesh.Position, r), TGCVector3.Add(mesh.Position, r));
}