public ModelCollectionContent(MaterialCollectionContent materials, MeshCollectionContent meshes, ArmatureContent[] armatures, ModelContent[] models, int defaultModelIndex)
{
_SharedMaterials = materials;
_SharedMeshes = meshes;
_SharedArmatures = armatures;
_Models = models;
_DefaultModelIndex = defaultModelIndex;
}
private static IEnumerable <(XNAV3 A, XNAV3 B, XNAV3 C)> EvaluateTriangles(ModelInstance srcModel, MeshCollectionContent srcMeshes)
{
foreach (var drawable in srcModel.DrawableInstances)
{
var controller = drawable.Transform;
XNAV3 transform(XNAV3 pos, Microsoft.Xna.Framework.Graphics.PackedVector.BoneInfluences blend)
{
return(controller.TransformPosition(pos, null, blend));
}
foreach (var tri in srcMeshes.EvaluateTriangles(drawable.Content.MeshIndex, transform))
{
yield return(tri);
}
}
}
private static Microsoft.Xna.Framework.BoundingSphere EvaluateBoundingSphere(ModelInstance srcModel, MeshCollectionContent srcMeshes)
{
var triangles = EvaluateTriangles(srcModel, srcMeshes)
.SelectMany(item => new[] { item.A, item.B, item.C });
return(Microsoft.Xna.Framework.BoundingSphere.CreateFromPoints(triangles));
}
