public static void GetShapeMeshData(EntityCollidable collidable, List <VertexPositionNormalTexture> vertices, List <ushort> indices)
{
MobileMeshShape shape = collidable.Shape as MobileMeshShape;
var tempVertices = new VertexPositionNormalTexture[shape.TriangleMesh.Data.Vertices.Length];
for (int i = 0; i < shape.TriangleMesh.Data.Vertices.Length; i++)
{
Vector3 position;
shape.TriangleMesh.Data.GetVertexPosition(i, out position);
tempVertices[i] = new VertexPositionNormalTexture(
MathConverter.Convert(position),
Microsoft.Xna.Framework.Vector3.Zero,
Microsoft.Xna.Framework.Vector2.Zero);
}
for (int i = 0; i < shape.TriangleMesh.Data.Indices.Length; i++)
{
indices.Add((ushort)shape.TriangleMesh.Data.Indices[i]);
}
for (int i = 0; i < indices.Count; i += 3)
{
int a = indices[i];
int b = indices[i + 1];
int c = indices[i + 2];
Microsoft.Xna.Framework.Vector3 normal = Microsoft.Xna.Framework.Vector3.Normalize(Microsoft.Xna.Framework.Vector3.Cross(
tempVertices[c].Position - tempVertices[a].Position,
tempVertices[b].Position - tempVertices[a].Position));
tempVertices[a].Normal += normal;
tempVertices[b].Normal += normal;
tempVertices[c].Normal += normal;
}
for (int i = 0; i < tempVertices.Length; i++)
{
tempVertices[i].Normal.Normalize();
vertices.Add(tempVertices[i]);
}
}
/// <summary>
/// Constructs a new mobile mesh collidable.
/// </summary>
/// <param name="shape">Shape to use in the collidable.</param>
public MobileMeshCollidable(MobileMeshShape shape)
: base(shape)
{
Events = new ContactEventManager <EntityCollidable>();
}