diff options
Diffstat (limited to 'source/blender/blenlib/intern/math_rotation.c')
| -rw-r--r-- | source/blender/blenlib/intern/math_rotation.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/source/blender/blenlib/intern/math_rotation.c b/source/blender/blenlib/intern/math_rotation.c index 0ca8b72c1e3..7fecbae8229 100644 --- a/source/blender/blenlib/intern/math_rotation.c +++ b/source/blender/blenlib/intern/math_rotation.c @@ -1688,14 +1688,14 @@ void vec_apply_track(float vec[3], short axis) } /* lens/angle conversion (radians) */ -float lens_to_angle(float lens) +float focallength_to_fov(float focal_length, float sensor) { - return 2.0f * atanf(16.0f/lens); + return 2.0f * atanf((sensor/2.0f) / focal_length); } -float angle_to_lens(float angle) +float fov_to_focallength(float hfov, float sensor) { - return 16.0f / tanf(angle * 0.5f); + return (sensor/2.0f) / tanf(hfov * 0.5f); } /* 'mod_inline(-3,4)= 1', 'fmod(-3,4)= -3' */ |