//=============================================================================
bool Intersect (IntersectInfo2 & out, const Sphere2 & s0, const Vector2 & v0, const Sphere2 & s1, const Vector2 & v1)
{
const Vector2 v = v0 - v1;
const float32 vLen = Length(v);
if (Intersect(out, Ray2(s0.center, v / vLen), Sphere2(s1.center, s0.r + s1.r)))
{
if (out.time <= vLen)
{
// sphere center at time of collision
const Point2 p0 = s0.center + v0 * out.time;
const Point2 p1 = s1.center + v1 * out.time;
// TODO: compute the actual point of contact
return true;
}
}
return false;
}
Ray2 Ray2::Transform(const Matrix3 &transform) const
{
return Ray2(m_origin.Transform(transform), m_direction.TransformVector(transform));
}
