diff options
author | Sergey Sharybin <sergey.vfx@gmail.com> | 2012-08-12 16:15:23 +0400 |
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committer | Sergey Sharybin <sergey.vfx@gmail.com> | 2012-08-12 16:15:23 +0400 |
commit | ed564d7cb7f39853b2c79ac09cc9e010bd371576 (patch) | |
tree | 7e6d8c58e0abbc71b663caef0770d3780a0fbedc /source/blender/editors/space_clip | |
parent | a39329be5c8d4f0b293a98bb67a4720401c81e8d (diff) |
NDOF navigation support for clip editor
Diffstat (limited to 'source/blender/editors/space_clip')
-rw-r--r-- | source/blender/editors/space_clip/clip_intern.h | 2 | ||||
-rw-r--r-- | source/blender/editors/space_clip/clip_ops.c | 59 | ||||
-rw-r--r-- | source/blender/editors/space_clip/space_clip.c | 4 |
3 files changed, 65 insertions, 0 deletions
diff --git a/source/blender/editors/space_clip/clip_intern.h b/source/blender/editors/space_clip/clip_intern.h index 392367f9071..d33f77c1064 100644 --- a/source/blender/editors/space_clip/clip_intern.h +++ b/source/blender/editors/space_clip/clip_intern.h @@ -102,6 +102,8 @@ void CLIP_OT_change_frame(wmOperatorType *ot); void CLIP_OT_rebuild_proxy(struct wmOperatorType *ot); void CLIP_OT_mode_set(struct wmOperatorType *ot); +void CLIP_OT_view_ndof(struct wmOperatorType *ot); + /* clip_toolbar.c */ struct ARegion *ED_clip_has_properties_region(struct ScrArea *sa); void CLIP_OT_tools(struct wmOperatorType *ot); diff --git a/source/blender/editors/space_clip/clip_ops.c b/source/blender/editors/space_clip/clip_ops.c index b8657f9e688..9b4f3fcdd68 100644 --- a/source/blender/editors/space_clip/clip_ops.c +++ b/source/blender/editors/space_clip/clip_ops.c @@ -1111,6 +1111,65 @@ void CLIP_OT_mode_set(wmOperatorType *ot) RNA_def_enum(ot->srna, "mode", clip_editor_mode_items, SC_MODE_TRACKING, "Mode", ""); } +/********************** NDOF operator *********************/ + +/* Combined pan/zoom from a 3D mouse device. + * Z zooms, XY pans + * "view" (not "paper") control -- user moves the viewpoint, not the image being viewed + * that explains the negative signs in the code below + */ + +static int clip_view_ndof_invoke(bContext *C, wmOperator *UNUSED(op), wmEvent *event) +{ + if (event->type != NDOF_MOTION) + return OPERATOR_CANCELLED; + else { + SpaceClip *sc = CTX_wm_space_clip(C); + ARegion *ar = CTX_wm_region(C); + + wmNDOFMotionData *ndof = (wmNDOFMotionData *) event->customdata; + + float dt = ndof->dt; + + /* tune these until it feels right */ + const float zoom_sensitivity = 0.5f; /* 50% per second (I think) */ + const float pan_sensitivity = 300.0f; /* screen pixels per second */ + + float pan_x = pan_sensitivity * dt * ndof->tvec[0] / sc->zoom; + float pan_y = pan_sensitivity * dt * ndof->tvec[1] / sc->zoom; + + /* "mouse zoom" factor = 1 + (dx + dy) / 300 + * what about "ndof zoom" factor? should behave like this: + * at rest -> factor = 1 + * move forward -> factor > 1 + * move backward -> factor < 1 + */ + float zoom_factor = 1.0f + zoom_sensitivity * dt * - ndof->tvec[2]; + + if (U.ndof_flag & NDOF_ZOOM_INVERT) + zoom_factor = -zoom_factor; + + sclip_zoom_set_factor(C, zoom_factor, NULL); + sc->xof += pan_x; + sc->yof += pan_y; + + ED_region_tag_redraw(ar); + + return OPERATOR_FINISHED; + } +} + +void CLIP_OT_view_ndof(wmOperatorType *ot) +{ + /* identifiers */ + ot->name = "NDOF Pan/Zoom"; + ot->idname = "CLIP_OT_view_ndof"; + ot->description = "Use a 3D mouse device to pan/zoom the view"; + + /* api callbacks */ + ot->invoke = clip_view_ndof_invoke; +} + /********************** macroses *********************/ void ED_operatormacros_clip(void) diff --git a/source/blender/editors/space_clip/space_clip.c b/source/blender/editors/space_clip/space_clip.c index 3428c47ff43..bf65429b9f4 100644 --- a/source/blender/editors/space_clip/space_clip.c +++ b/source/blender/editors/space_clip/space_clip.c @@ -438,6 +438,7 @@ static void clip_operatortypes(void) WM_operatortype_append(CLIP_OT_change_frame); WM_operatortype_append(CLIP_OT_rebuild_proxy); WM_operatortype_append(CLIP_OT_mode_set); + WM_operatortype_append(CLIP_OT_view_ndof); /* ** clip_toolbar.c ** */ WM_operatortype_append(CLIP_OT_tools); @@ -602,6 +603,9 @@ static void clip_keymap(struct wmKeyConfig *keyconf) WM_keymap_add_item(keymap, "CLIP_OT_view_selected", PADPERIOD, KM_PRESS, 0, 0); + WM_keymap_add_item(keymap, "CLIP_OT_view_all", NDOF_BUTTON_FIT, KM_PRESS, 0, 0); + WM_keymap_add_item(keymap, "CLIP_OT_view_ndof", NDOF_MOTION, 0, 0, 0); + /* jump to special frame */ kmi = WM_keymap_add_item(keymap, "CLIP_OT_frame_jump", LEFTARROWKEY, KM_PRESS, KM_CTRL | KM_SHIFT, 0); RNA_enum_set(kmi->ptr, "position", 0); |