diff options
Diffstat (limited to 'source/blender/editors/space_view3d/view3d_view.c')
| -rw-r--r-- | source/blender/editors/space_view3d/view3d_view.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/source/blender/editors/space_view3d/view3d_view.c b/source/blender/editors/space_view3d/view3d_view.c index 58b7a70a128..ce7b6ba454d 100644 --- a/source/blender/editors/space_view3d/view3d_view.c +++ b/source/blender/editors/space_view3d/view3d_view.c @@ -63,6 +63,7 @@ #include "RE_pipeline.h" // make_stars #include "BIF_gl.h" +#include "BIF_glutil.h" #include "WM_api.h" #include "WM_types.h" @@ -543,6 +544,18 @@ void view3d_get_object_project_mat(RegionView3D *rv3d, Object *ob, float pmat[4] Mat4MulMat4(pmat, vmat, rv3d->winmat); } +/* Uses window coordinates (x,y) and depth component z to find a point in + modelspace */ +void view3d_unproject(bglMats *mats, float out[3], const short x, const short y, const float z) +{ + double ux, uy, uz; + + gluUnProject(x,y,z, mats->modelview, mats->projection, + (GLint *)mats->viewport, &ux, &uy, &uz ); + out[0] = ux; + out[1] = uy; + out[2] = uz; +} /* use above call to get projecting mat */ void view3d_project_float(ARegion *ar, float *vec, float *adr, float mat[4][4]) |