IntersectRaySphere()

static proto float Math3D::IntersectRaySphere ( vector raybase, vector raycos, vector center, float radius )

staticprivate

Tests whether ray is intersecting sphere.

Аргументы

raybase	vector Start of ray
raycos	vector End of ray
center	vector Center of sphere
radius	float Radius of sphere

Возвращает

float -1 when not intersecting, else the fraction of ray