k3d/share/shaders/k3d_venus.sl:62:  float rsq;			/* Used in calculation of twist */
k3d/share/shaders/k3d_venus.sl:73:  rsq = xcomp(PtN) * xcomp(PtN) + ycomp(PtN) * ycomp(PtN);
k3d/share/shaders/k3d_venus.sl:74:  angle = twist * TWOPI * rsq;
k3d/share/shaders/k3d_venus2.sl:64:  float rsq;                /* Used in calculation of twist */
k3d/share/shaders/k3d_venus2.sl:75:  rsq = xcomp(PtN)*xcomp(PtN) + ycomp(PtN)*ycomp(PtN);
k3d/share/shaders/k3d_venus2.sl:76:  angle = twist * TWOPI * rsq;
