private void SetupBoundingBoxes(ModelComponent modelComp)
{
boundingBoxes = new List <BoundingBox>();
Matrix[] transforms = new Matrix[modelComp.model.Bones.Count];
modelComp.model.CopyAbsoluteBoneTransformsTo(transforms);
foreach (ModelMesh mesh in modelComp.model.Meshes)
{
Matrix meshTransform = transforms[mesh.ParentBone.Index];
boundingBoxes.Add(CreateBoundingBox(mesh, meshTransform));
}
}
private BoundingSphere CreateBoundingSphere(ModelComponent modelComp, Vector3 position)
{
BoundingSphere sphere = new BoundingSphere(position, 0);
//build a boundingshpere from the model
foreach (ModelMesh mesh in modelComp.model.Meshes)
{
if (sphere.Radius == 0)
{
sphere = mesh.BoundingSphere;
}
else
{
sphere = BoundingSphere.
CreateMerged(sphere, mesh.BoundingSphere);
}
}
return(sphere);
}
public ModelBoundingBoxComponent(ModelComponent modelComp)
{
SetupBoundingBoxes(modelComp);
}
public ModelBoundingSphereComponent(ModelComponent modelComp, Vector3 position)
{
this.sphere = CreateBoundingSphere(modelComp, position);
}
