formZ SDK | 5.0 API Reference | System | Math

# fz_math_3d_isect_line_cyln

Description

Calculate the intersection of a line with a cylinder, defined by an origin point, a vector for the cylinder axis direction and the cylinder's radius. n_int_pts indicates, whether there are 0, 1 or 2 intersection points, returned in the int_pts array. Note, that this must be an array that can hold 2 fz_xyz_td.

Plugin Prototype

fzrt_error_td fz_math_3d_isect_line_cyln(

fz_xyz_td * | line_start,
fz_xyz_td * | line_end,
fz_xyz_td * | cyln_org,
fz_xyz_td * | cyln_axis_vector,
double | radius,
fz_xyz_td | int_pts[2],
fzrt_int * | n_int_pts )

Parameters

line_start [Input]

start point of 3d line segment

line_end [Input]

end point of 3d line segment

cyln_org [Input]

origin (center) of the cylinder

cyln_axis_vector [Input]

axis direction of the cylinder (normalized)

radius [Input]

the cylinfer radius

int_pts[2] [Result]

intersecting 3d points array

n_int_pts [Result]

number of intersecting points

Returns

Error codes

Availability

7.0.0.0

Example Files

util_math_3d.fsl

See Also

fz_math_3d_isect_line_plane, fz_math_3d_isect_line_cube, fz_math_3d_isect_lines, , fz_math_3d_isect_3_planes, fz_math_3d_isect_2_planes,

Function Set

fz_math_fset

Defined in

fz_math_api.h