diff options
Diffstat (limited to 'source/blender/editors/space_view3d/view3d_edit.c')
| -rw-r--r-- | source/blender/editors/space_view3d/view3d_edit.c | 21 |
1 files changed, 11 insertions, 10 deletions
diff --git a/source/blender/editors/space_view3d/view3d_edit.c b/source/blender/editors/space_view3d/view3d_edit.c index 80e5d194d45..b49abaf55ad 100644 --- a/source/blender/editors/space_view3d/view3d_edit.c +++ b/source/blender/editors/space_view3d/view3d_edit.c @@ -4144,16 +4144,17 @@ void ED_view3d_cursor3d_position(bContext *C, float fp[3], const int mval[2]) } } else { - const float dx = ((float)(mval[0] - (ar->winx / 2))) * zfac / (ar->winx / 2); - const float dy = ((float)(mval[1] - (ar->winy / 2))) * zfac / (ar->winy / 2); - const float fz = (rv3d->persmat[0][3] * fp[0] + - rv3d->persmat[1][3] * fp[1] + - rv3d->persmat[2][3] * fp[2] + - rv3d->persmat[3][3]) / zfac; - - fp[0] = (rv3d->persinv[0][0] * dx + rv3d->persinv[1][0] * dy + rv3d->persinv[2][0] * fz) - rv3d->ofs[0]; - fp[1] = (rv3d->persinv[0][1] * dx + rv3d->persinv[1][1] * dy + rv3d->persinv[2][1] * fz) - rv3d->ofs[1]; - fp[2] = (rv3d->persinv[0][2] * dx + rv3d->persinv[1][2] * dy + rv3d->persinv[2][2] * fz) - rv3d->ofs[2]; + float tvec[3]; + + tvec[0] = ((float)(mval[0] - (ar->winx / 2))) * zfac / (ar->winx / 2); + tvec[1] = ((float)(mval[1] - (ar->winy / 2))) * zfac / (ar->winy / 2); + tvec[2] = (rv3d->persmat[0][3] * fp[0] + + rv3d->persmat[1][3] * fp[1] + + rv3d->persmat[2][3] * fp[2] + + rv3d->persmat[3][3]) / zfac; + + mul_mat3_m4_v3(rv3d->persinv, tvec); + sub_v3_v3v3(fp, tvec, rv3d->ofs); } } |