public override void ComputeAABB(out AABB aabb, Transform xf)
{
Vec2 lower = xf * Vertices[0];
Vec2 upper = lower;
for (int i = 1; i < VertexCount; ++i)
{
Vec2 v = xf * Vertices[i];
lower = Vec2.Min(lower, v);
upper = Vec2.Max(upper, v);
}
Vec2 r = new Vec2(Radius, Radius);
aabb = new AABB(lower - r,
upper + r);
}
/// Combine two AABBs into this one.
public void Combine(AABB aabb1, AABB aabb2)
{
LowerBound = Vec2.Min(aabb1.LowerBound, aabb2.LowerBound);
UpperBound = Vec2.Min(aabb1.UpperBound, aabb2.UpperBound);
}
