Searched refs:zdot (Results 1 – 1 of 1) sorted by relevance
151 position zdot = z; in dashed_ellipse() local156 position zpre = zdot; in dashed_ellipse()173 zdot = zold + (z - zold) * delta; in dashed_ellipse()176 double psi = atan2(zdot.y / dim_y, zdot.x / dim_x); in dashed_ellipse()177 zdot = position(dim_x * cos(psi), dim_y * sin(psi)); in dashed_ellipse()179 ellipse_arc(cent, zpre, zdot, dim / 2, slt); in dashed_ellipse()225 position zdot = zold + (z - zold) * delta; in dotted_ellipse() local228 double psi = atan2(zdot.y / dim_y, zdot.x / dim_x); in dotted_ellipse()229 zdot = position(dim_x * cos(psi), dim_y * sin(psi)); in dotted_ellipse()230 dot(cent + zdot, slt); in dotted_ellipse()