diff options
author | Campbell Barton <ideasman42@gmail.com> | 2018-09-20 04:26:31 +0300 |
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committer | Campbell Barton <ideasman42@gmail.com> | 2018-09-20 04:26:31 +0300 |
commit | 6a01f62df44cf8d55711ce3a7224f86721547bd5 (patch) | |
tree | 926f6ae36481c8b340d8bf7e45799a80c16f6dae /source/blender/editors | |
parent | 2c30922e2c64b90015a121d8efea2c2743376666 (diff) | |
parent | 470407ec3bac11ae5a5c6174a6e9630caa1a42f7 (diff) |
Merge branch 'master' into blender2.8
Diffstat (limited to 'source/blender/editors')
-rw-r--r-- | source/blender/editors/include/ED_view3d.h | 8 | ||||
-rw-r--r-- | source/blender/editors/space_view3d/view3d_project.c | 25 |
2 files changed, 33 insertions, 0 deletions
diff --git a/source/blender/editors/include/ED_view3d.h b/source/blender/editors/include/ED_view3d.h index fc204013a51..99cb24c273c 100644 --- a/source/blender/editors/include/ED_view3d.h +++ b/source/blender/editors/include/ED_view3d.h @@ -269,6 +269,14 @@ void ED_view3d_win_to_3d_int( const struct View3D *v3d, const struct ARegion *ar, const float depth_pt[3], const int mval[2], float r_out[3]); +bool ED_view3d_win_to_3d_on_plane( + const struct ARegion *ar, + const float plane[4], const float mval[2], + float r_out[3]); +bool ED_view3d_win_to_3d_on_plane_int( + const struct ARegion *ar, + const float plane[4], const int mval[2], + float r_out[3]); void ED_view3d_win_to_delta(const struct ARegion *ar, const float mval[2], float out[3], const float zfac); void ED_view3d_win_to_origin(const struct ARegion *ar, const float mval[2], float out[3]); void ED_view3d_win_to_vector(const struct ARegion *ar, const float mval[2], float out[3]); diff --git a/source/blender/editors/space_view3d/view3d_project.c b/source/blender/editors/space_view3d/view3d_project.c index 91e255aec82..ec5f28b56f3 100644 --- a/source/blender/editors/space_view3d/view3d_project.c +++ b/source/blender/editors/space_view3d/view3d_project.c @@ -539,6 +539,31 @@ void ED_view3d_win_to_3d_int( ED_view3d_win_to_3d(v3d, ar, depth_pt, mval_fl, r_out); } +bool ED_view3d_win_to_3d_on_plane( + const ARegion *ar, + const float plane[4], const float mval[2], + float r_out[3]) +{ + float ray_co[3], ray_no[3]; + ED_view3d_win_to_origin(ar, mval, ray_co); + ED_view3d_win_to_vector(ar, mval, ray_no); + float lambda; + if (isect_ray_plane_v3(ray_co, ray_no, plane, &lambda, false)) { + madd_v3_v3v3fl(r_out, ray_co, ray_no, lambda); + return true; + } + return false; +} + +bool ED_view3d_win_to_3d_on_plane_int( + const ARegion *ar, + const float plane[4], const int mval[2], + float r_out[3]) +{ + const float mval_fl[2] = {mval[0], mval[1]}; + return ED_view3d_win_to_3d_on_plane(ar, plane, mval_fl, r_out); +} + /** * Calculate a 3d difference vector from 2d window offset. * note that ED_view3d_calc_zfac() must be called first to determine |