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Added option to 2D and 3D curve editor to mirror curve tangent handles both in angle and/or length

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This commit is contained in:
Ben Hickling
2018-05-01 11:13:29 +01:00
parent 0f930f8314
commit 31b6776f11
4 changed files with 148 additions and 3 deletions
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55
editor/plugins/path_2d_editor_plugin.cpp
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@@ -109,6 +109,7 @@ bool Path2DEditor::forward_gui_input(const Ref<InputEvent> &p_event) {
action_point = i;
moving_from = curve->get_point_out(i);
moving_screen_from = gpoint;
orig_in_length = curve->get_point_in(action_point).length();
return true;
} else if (dist_to_p_in < grab_threshold && i > 0) {
@@ -116,6 +117,7 @@ bool Path2DEditor::forward_gui_input(const Ref<InputEvent> &p_event) {
action_point = i;
moving_from = curve->get_point_in(i);
moving_screen_from = gpoint;
orig_out_length = curve->get_point_out(action_point).length();
return true;
}
}
@@ -205,6 +207,11 @@ bool Path2DEditor::forward_gui_input(const Ref<InputEvent> &p_event) {
undo_redo->create_action(TTR("Move In-Control in Curve"));
undo_redo->add_do_method(curve.ptr(), "set_point_in", action_point, new_pos);
undo_redo->add_undo_method(curve.ptr(), "set_point_in", action_point, moving_from);
if (mirror_handle_angle) {
undo_redo->add_do_method(curve.ptr(), "set_point_out", action_point, mirror_handle_length ? -new_pos : (-new_pos.normalized() * orig_out_length));
undo_redo->add_undo_method(curve.ptr(), "set_point_out", action_point, mirror_handle_length ? -moving_from : (-moving_from.normalized() * orig_out_length));
}
undo_redo->add_do_method(canvas_item_editor->get_viewport_control(), "update");
undo_redo->add_undo_method(canvas_item_editor->get_viewport_control(), "update");
undo_redo->commit_action();
@@ -216,6 +223,11 @@ bool Path2DEditor::forward_gui_input(const Ref<InputEvent> &p_event) {
undo_redo->create_action(TTR("Move Out-Control in Curve"));
undo_redo->add_do_method(curve.ptr(), "set_point_out", action_point, new_pos);
undo_redo->add_undo_method(curve.ptr(), "set_point_out", action_point, moving_from);
if (mirror_handle_angle) {
undo_redo->add_do_method(curve.ptr(), "set_point_in", action_point, mirror_handle_length ? -new_pos : (-new_pos.normalized() * orig_in_length));
undo_redo->add_undo_method(curve.ptr(), "set_point_in", action_point, mirror_handle_length ? -moving_from : (-moving_from.normalized() * orig_in_length));
}
undo_redo->add_do_method(canvas_item_editor->get_viewport_control(), "update");
undo_redo->add_undo_method(canvas_item_editor->get_viewport_control(), "update");
undo_redo->commit_action();
@@ -255,10 +267,16 @@ bool Path2DEditor::forward_gui_input(const Ref<InputEvent> &p_event) {
case ACTION_MOVING_IN: {
curve->set_point_in(action_point, new_pos);
if (mirror_handle_angle)
curve->set_point_out(action_point, mirror_handle_length ? -new_pos : (-new_pos.normalized() * orig_out_length));
} break;
case ACTION_MOVING_OUT: {
curve->set_point_out(action_point, new_pos);
if (mirror_handle_angle)
curve->set_point_in(action_point, mirror_handle_length ? -new_pos : (-new_pos.normalized() * orig_in_length));
} break;
}
@@ -342,6 +360,7 @@ void Path2DEditor::_bind_methods() {
//ClassDB::bind_method(D_METHOD("_menu_option"),&Path2DEditor::_menu_option);
ClassDB::bind_method(D_METHOD("_node_visibility_changed"), &Path2DEditor::_node_visibility_changed);
ClassDB::bind_method(D_METHOD("_mode_selected"), &Path2DEditor::_mode_selected);
ClassDB::bind_method(D_METHOD("_handle_option_pressed"), &Path2DEditor::_handle_option_pressed);
}
void Path2DEditor::_mode_selected(int p_mode) {
@@ -396,11 +415,33 @@ void Path2DEditor::_mode_selected(int p_mode) {
mode = Mode(p_mode);
}
void Path2DEditor::_handle_option_pressed(int p_option) {
PopupMenu *pm;
pm = handle_menu->get_popup();
switch (p_option) {
case HANDLE_OPTION_ANGLE: {
bool is_checked = pm->is_item_checked(HANDLE_OPTION_ANGLE);
mirror_handle_angle = !is_checked;
pm->set_item_checked(HANDLE_OPTION_ANGLE, mirror_handle_angle);
pm->set_item_disabled(HANDLE_OPTION_LENGTH, !mirror_handle_angle);
} break;
case HANDLE_OPTION_LENGTH: {
bool is_checked = pm->is_item_checked(HANDLE_OPTION_LENGTH);
mirror_handle_length = !is_checked;
pm->set_item_checked(HANDLE_OPTION_LENGTH, mirror_handle_length);
} break;
}
}
Path2DEditor::Path2DEditor(EditorNode *p_editor) {
canvas_item_editor = NULL;
editor = p_editor;
undo_redo = editor->get_undo_redo();
mirror_handle_angle = true;
mirror_handle_length = true;
mode = MODE_EDIT;
action = ACTION_NONE;
@@ -444,6 +485,20 @@ Path2DEditor::Path2DEditor(EditorNode *p_editor) {
curve_close->set_tooltip(TTR("Close Curve"));
curve_close->connect("pressed", this, "_mode_selected", varray(ACTION_CLOSE));
base_hb->add_child(curve_close);
PopupMenu *menu;
handle_menu = memnew(MenuButton);
handle_menu->set_text(TTR("Options"));
base_hb->add_child(handle_menu);
menu = handle_menu->get_popup();
menu->add_check_item(TTR("Mirror Handle Angles"));
menu->set_item_checked(HANDLE_OPTION_ANGLE, mirror_handle_angle);
menu->add_check_item(TTR("Mirror Handle Lengths"));
menu->set_item_checked(HANDLE_OPTION_LENGTH, mirror_handle_length);
menu->connect("id_pressed", this, "_handle_option_pressed");
base_hb->hide();
curve_edit->set_pressed(true);