IPhysicsMesh CreatePhysicsMesh(MyModel model)
{
IPhysicsMesh physicsMesh = new MyPhysicsMesh();
physicsMesh.SetAABB(model.BoundingBox.Min, model.BoundingBox.Max);
for (int v = 0; v < model.GetVerticesCount(); v++)
{
Vector3 vertex = model.GetVertex(v);
Vector3 normal = model.GetVertexNormal(v);
Vector3 tangent = model.GetVertexTangent(v);
if (model.TexCoords == null)
model.LoadTexCoordData();
Vector2 texCoord = model.TexCoords[v].ToVector2();
physicsMesh.AddVertex(vertex, normal, tangent, texCoord);
}
for (int i = 0; i < model.Indices16.Length; i++)
{
physicsMesh.AddIndex(model.Indices16[i]);
}
for (int i = 0; i < model.GetMeshList().Count; i++)
{
var mesh = model.GetMeshList()[i];
physicsMesh.AddSectionData(mesh.IndexStart, mesh.TriCount, mesh.Material.Name);
}
return physicsMesh;
}
HkShape CreateShape(MyModel model, HkShapeType shapeType)
{
switch(shapeType)
{
case HkShapeType.Box:
Vector3 halfExtents = (model.BoundingBox.Max - model.BoundingBox.Min) / 2;
return new HkBoxShape(Vector3.Max(halfExtents - 0.1f, new Vector3(0.05f)), 0.02f);
break;
case HkShapeType.Sphere:
return new HkSphereShape(model.BoundingSphere.Radius);
break;
case HkShapeType.ConvexVertices:
m_tmpVerts.Clear();
for (int i = 0; i < model.GetVerticesCount(); i++)
{
m_tmpVerts.Add(model.GetVertex(i));
}
return new HkConvexVerticesShape(m_tmpVerts.GetInternalArray(), m_tmpVerts.Count, true, 0.1f);
break;
}
throw new InvalidOperationException("This shape is not supported");
}