/// <summary>
/// Perform robust collision detection using BoundingSpheres to determine if two models are intersecting.
/// </summary>
/// <param name="modelA"></param>
/// <param name="modelB"></param>
/// <returns></returns>
public bool collidesWith(BasicModel modelA, BasicModel modelB)
{
// get the position of each model
Matrix modelATranslation = modelA.GetWorld();
Matrix modelBTranslation = modelB.GetWorld();
// check each bounding sphere of each model
foreach (ModelMesh modelMeshesA in modelA.model.Meshes) {
foreach (ModelMesh modelMeshesB in modelB.model.Meshes) {
// update bounding spheres of each models mesh
BoundingSphere BSA = modelMeshesA.BoundingSphere.Transform(modelATranslation);
BoundingSphere BSB = modelMeshesB.BoundingSphere.Transform(modelBTranslation);
// check if any the mesh bounding sphere intersects with another
if (BSA.Intersects(BSB)) {
return true;
}
}
}
return false;
}
