diff options
| -rw-r--r-- | editor/animation_bezier_editor.cpp | 3 | ||||
| -rw-r--r-- | editor/animation_track_editor.cpp | 66 | ||||
| -rw-r--r-- | editor/animation_track_editor.h | 10 |
3 files changed, 75 insertions, 4 deletions
diff --git a/editor/animation_bezier_editor.cpp b/editor/animation_bezier_editor.cpp index 08306256f1..ce9bb1c92b 100644 --- a/editor/animation_bezier_editor.cpp +++ b/editor/animation_bezier_editor.cpp @@ -1520,7 +1520,7 @@ void AnimationBezierTrackEdit::_zoom_callback(float p_zoom_factor, Vector2 p_ori // Alternate zoom (doesn't affect timeline). timeline_v_zoom = CLAMP(timeline_v_zoom * p_zoom_factor, 0.000001, 100000); } else { - timeline->get_zoom()->set_value(timeline->get_zoom()->get_value() / p_zoom_factor); + timeline->_zoom_callback(p_zoom_factor, p_origin, p_event); } timeline_v_scroll = timeline_v_scroll + (p_origin.y - get_size().y / 2.0) * (timeline_v_zoom - v_zoom_orig); queue_redraw(); @@ -1688,6 +1688,7 @@ void AnimationBezierTrackEdit::_bind_methods() { AnimationBezierTrackEdit::AnimationBezierTrackEdit() { panner.instantiate(); panner->set_callbacks(callable_mp(this, &AnimationBezierTrackEdit::_pan_callback), callable_mp(this, &AnimationBezierTrackEdit::_zoom_callback)); + panner->set_scroll_zoom_factor(AnimationTimelineEdit::SCROLL_ZOOM_FACTOR); play_position = memnew(Control); play_position->set_mouse_filter(MOUSE_FILTER_PASS); diff --git a/editor/animation_track_editor.cpp b/editor/animation_track_editor.cpp index d9d28e5c09..4c897aedb5 100644 --- a/editor/animation_track_editor.cpp +++ b/editor/animation_track_editor.cpp @@ -1247,6 +1247,58 @@ void AnimationMultiTrackKeyEdit::set_use_fps(bool p_enable) { } void AnimationTimelineEdit::_zoom_changed(double) { + double zoom_pivot = 0; // Point on timeline to stay fixed. + double zoom_pivot_delta = 0; // Delta seconds from left-most point on timeline to zoom pivot. + + int timeline_width_pixels = get_size().width - get_buttons_width() - get_name_limit(); + double timeline_width_seconds = timeline_width_pixels / last_zoom_scale; // Length (in seconds) of visible part of timeline before zoom. + double updated_timeline_width_seconds = timeline_width_pixels / get_zoom_scale(); // Length after zoom. + double updated_timeline_half_width = updated_timeline_width_seconds / 2.0; + bool zooming = updated_timeline_width_seconds < timeline_width_seconds; + + double timeline_left = get_value(); + double timeline_right = timeline_left + timeline_width_seconds; + double timeline_center = timeline_left + timeline_width_seconds / 2.0; + + if (zoom_callback_occured) { // Zooming with scroll wheel will focus on the position of the mouse. + double zoom_scroll_origin_norm = (zoom_scroll_origin.x - get_name_limit()) / timeline_width_pixels; + zoom_scroll_origin_norm = MAX(zoom_scroll_origin_norm, 0); + zoom_pivot = timeline_left + timeline_width_seconds * zoom_scroll_origin_norm; + zoom_pivot_delta = updated_timeline_width_seconds * zoom_scroll_origin_norm; + zoom_callback_occured = false; + } else { // Zooming with slider will depend on the current play position. + // If the play position is not in range, or exactly in the center, zoom in on the center. + if (get_play_position() < timeline_left || get_play_position() > timeline_left + timeline_width_seconds || get_play_position() == timeline_center) { + zoom_pivot = timeline_center; + zoom_pivot_delta = updated_timeline_half_width; + } + // Zoom from right if play position is right of center, + // and shrink from right if play position is left of center. + else if ((get_play_position() > timeline_center) == zooming) { + // If play position crosses to other side of center, center it. + bool center_passed = (get_play_position() < timeline_right - updated_timeline_half_width) == zooming; + zoom_pivot = center_passed ? get_play_position() : timeline_right; + double center_offset = CMP_EPSILON * (zooming ? 1 : -1); // Small offset to prevent crossover. + zoom_pivot_delta = center_passed ? updated_timeline_half_width + center_offset : updated_timeline_width_seconds; + } + // Zoom from left if play position is left of center, + // and shrink from left if play position is right of center. + else if ((get_play_position() <= timeline_center) == zooming) { + // If play position crosses to other side of center, center it. + bool center_passed = (get_play_position() > timeline_left + updated_timeline_half_width) == zooming; + zoom_pivot = center_passed ? get_play_position() : timeline_left; + double center_offset = CMP_EPSILON * (zooming ? -1 : 1); // Small offset to prevent crossover. + zoom_pivot_delta = center_passed ? updated_timeline_half_width + center_offset : 0; + } + } + + double hscroll_pos = zoom_pivot - zoom_pivot_delta; + hscroll_pos = CLAMP(hscroll_pos, hscroll->get_min(), hscroll->get_max()); + + hscroll->set_value(hscroll_pos); + hscroll_on_zoom_buffer = hscroll_pos; // In case of page update. + last_zoom_scale = get_zoom_scale(); + queue_redraw(); play_position->queue_redraw(); emit_signal(SNAME("zoom_changed")); @@ -1428,6 +1480,11 @@ void AnimationTimelineEdit::_notification(int p_what) { set_page(zoomw / scale); + if (hscroll->is_visible() && hscroll_on_zoom_buffer >= 0) { + hscroll->set_value(hscroll_on_zoom_buffer); + hscroll_on_zoom_buffer = -1.0; + } + int end_px = (l - get_value()) * scale; int begin_px = -get_value() * scale; Color notimecol = get_theme_color(SNAME("dark_color_2"), EditorStringName(Editor)); @@ -1733,7 +1790,9 @@ void AnimationTimelineEdit::_pan_callback(Vector2 p_scroll_vec, Ref<InputEvent> void AnimationTimelineEdit::_zoom_callback(float p_zoom_factor, Vector2 p_origin, Ref<InputEvent> p_event) { double current_zoom_value = get_zoom()->get_value(); - get_zoom()->set_value(MAX(0.01, current_zoom_value * p_zoom_factor)); + zoom_scroll_origin = p_origin; + zoom_callback_occured = true; + get_zoom()->set_value(MAX(0.01, current_zoom_value - (1.0 - p_zoom_factor))); } void AnimationTimelineEdit::set_use_fps(bool p_use_fps) { @@ -1809,6 +1868,7 @@ AnimationTimelineEdit::AnimationTimelineEdit() { len_hb->hide(); panner.instantiate(); + panner->set_scroll_zoom_factor(SCROLL_ZOOM_FACTOR); panner->set_callbacks(callable_mp(this, &AnimationTimelineEdit::_pan_callback), callable_mp(this, &AnimationTimelineEdit::_zoom_callback)); panner->set_pan_axis(ViewPanner::PAN_AXIS_HORIZONTAL); @@ -5493,8 +5553,7 @@ void AnimationTrackEditor::_pan_callback(Vector2 p_scroll_vec, Ref<InputEvent> p } void AnimationTrackEditor::_zoom_callback(float p_zoom_factor, Vector2 p_origin, Ref<InputEvent> p_event) { - double current_zoom_value = timeline->get_zoom()->get_value(); - timeline->get_zoom()->set_value(MAX(0.01, current_zoom_value * p_zoom_factor)); + timeline->_zoom_callback(p_zoom_factor, p_origin, p_event); } void AnimationTrackEditor::_cancel_bezier_edit() { @@ -6530,6 +6589,7 @@ AnimationTrackEditor::AnimationTrackEditor() { timeline->connect("length_changed", callable_mp(this, &AnimationTrackEditor::_update_length)); panner.instantiate(); + panner->set_scroll_zoom_factor(AnimationTimelineEdit::SCROLL_ZOOM_FACTOR); panner->set_callbacks(callable_mp(this, &AnimationTrackEditor::_pan_callback), callable_mp(this, &AnimationTrackEditor::_zoom_callback)); scroll = memnew(ScrollContainer); diff --git a/editor/animation_track_editor.h b/editor/animation_track_editor.h index 0667b8e80e..b5242e2f67 100644 --- a/editor/animation_track_editor.h +++ b/editor/animation_track_editor.h @@ -131,6 +131,11 @@ protected: class AnimationTimelineEdit : public Range { GDCLASS(AnimationTimelineEdit, Range); + friend class AnimationBezierTrackEdit; + friend class AnimationTrackEditor; + + static constexpr float SCROLL_ZOOM_FACTOR = 1.02f; // Zoom factor per mouse scroll in the animation editor. The closer to 1.0, the finer the control. + Ref<Animation> animation; bool read_only = false; @@ -167,6 +172,11 @@ class AnimationTimelineEdit : public Range { bool dragging_hsize = false; float dragging_hsize_from = 0.0f; float dragging_hsize_at = 0.0f; + double last_zoom_scale = 1.0; + double hscroll_on_zoom_buffer = -1.0; + + Vector2 zoom_scroll_origin; + bool zoom_callback_occured = false; virtual void gui_input(const Ref<InputEvent> &p_event) override; void _track_added(int p_track); |