[face.a].x, vertices[face.a].y, vertices[face.a].z),
new Ammo.btVector3(vertices[face.b...].x, vertices[face.b].y, vertices[face.b].z),
new Ammo.btVector3(vertices[face.c].x,...face.a].x, vertices[face.a].y, vertices[face.a].z),
new Ammo.btVector3(vertices[face.b...].x, vertices[face.b].y, vertices[face.b].z),
new Ammo.btVector3(vertices[face.d].x,...(vertices[face.d].x, vertices[face.d].y, vertices[face.d].z),
false
);