public static bool FinerCheck2(DrawableModel model1, DrawableModel model2)
{
// if (CoarseCheck(model1, model2) == false)
// return false;
bool collision = false;
foreach (ModelMesh mesh1 in model1.Model.Meshes)
{
BoundingSphere origSphere1 = mesh1.BoundingSphere;
Matrix trans1 = model1.OriginalTransforms[mesh1.ParentBone.Index] * model1.WorldMatrix * Matrix.CreateScale(0.0000000001f);
BoundingSphere transSphere1 =
XNAUtils.TransformBoundingSphere(origSphere1, trans1);
foreach (ModelMesh mesh2 in model2.Model.Meshes)
{
BoundingSphere origSphere2 = mesh2.BoundingSphere;
Matrix trans2 = model2.OriginalTransforms[mesh2.ParentBone.Index] * model2.WorldMatrix * Matrix.CreateScale(0.000000001f);
BoundingSphere transSphere2 =
XNAUtils.TransformBoundingSphere(origSphere2, trans2);
if (transSphere1.Intersects(transSphere2))
{
collision = true;
}
}
}
return(collision);
}
public static bool CoarseCheck(DrawableModel model1, DrawableModel model2)
{
BoundingSphere origSphere1 = (BoundingSphere)model1.Model.Tag;
BoundingSphere sphere1 = XNAUtils.TransformBoundingSphere(origSphere1, model1.WorldMatrix);
BoundingSphere origSphere2 = (BoundingSphere)model2.Model.Tag;
BoundingSphere sphere2 = XNAUtils.TransformBoundingSphere(origSphere2, model2.WorldMatrix);
bool collision = sphere1.Intersects(sphere2);
return(collision);
}
public static Model LoadModelWithBoundingSphere(ref Matrix[] modelTransforms, string asset, ContentManager content)
{
Model newModel = content.Load <Model>(asset);
modelTransforms = new Matrix[newModel.Bones.Count];
newModel.CopyAbsoluteBoneTransformsTo(modelTransforms);
BoundingSphere completeBoundingSphere = new BoundingSphere();
foreach (ModelMesh mesh in newModel.Meshes)
{
BoundingSphere origMeshSphere = mesh.BoundingSphere;
BoundingSphere transMeshSphere = XNAUtils.TransformBoundingSphere(origMeshSphere, modelTransforms[mesh.ParentBone.Index]);
completeBoundingSphere = BoundingSphere.CreateMerged(completeBoundingSphere, transMeshSphere);
}
newModel.Tag = completeBoundingSphere;
return(newModel);
}
