formZ SDK | 5.0 API Reference | System | Math
Description
Given a 2d point and angle, calculates the 2d
line equation (defined by it's slope and offset).
The optional kase parameter returns whether the line is
horizontal (1), vertical (2) or at an arbitrary angle (0).
Plugin Prototype
fzrt_error_td fz_math_2d_equ_from_pt_ang(
fz_xy_td * | pt, |
double | angle, |
double * | line_a, |
double * | line_c, |
fzrt_int * | kase ) |
Parameters
pt [Input]
2d point
angle [Input]
angle
line_a [Result]
slope of 2d line equation
line_c [Result]
offset of 2d line equation
kase [Result, Optional]
information about the line equation
Returns
Error codes
Availability
5.0.0.0
Example Files
Function Set
Defined in