1313 IntersectionSphere(const SPHERE* s0, const SPHERE* s1)  in IntersectionSphere()  argument
1316     VEC3Sub(&centerDiff, &s0->C, &s1->C);  in IntersectionSphere()
1317     f32 radiusSum = s0->r + s1->r;  in IntersectionSphere()
1379     f32 s0 = J->Test(C->S.P0);  in IntersectionPlaneCapsule()  local
1382     if (s0 * s1 < 0.f ||  in IntersectionPlaneCapsule()
1383         FAbs(s0) <= C->r ||  in IntersectionPlaneCapsule()
1542 MergeSphere(SPHERE* s2, const SPHERE* s0, const SPHERE* s1)  in MergeSphere()  argument
1547     VEC3Sub(&diff, &s1->C, &s0->C);  in MergeSphere()
1549     f32 radiusDiff = s1->r - s0->r;  in MergeSphere()
1553         if (s0->r > s1->r)  in MergeSphere()
1554             *s2 = *s0;  in MergeSphere()
1561         f32 newRadius = 0.5f * (s0->r + s1->r + dist);  in MergeSphere()
1565             VEC3Add(&s2->C, &s0->C, VEC3Scale(&diff, &diff, ((newRadius - s0->r)/dist)));  in MergeSphere()
1569             s2->C = s0->C;  in MergeSphere()