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Improve the 3D editor selection box appearance 

- Draw two boxes slightly offset from each other to give the illustion
  of a thicker outline.
- Decrease the offset compared to the 3D node's AABB to give a more
  accurate representation of its size.
- Make the box fully visible instead of only displaying the corners.
- Draw a x-ray version of the box that's more translucent, but visible
  through walls. This helps make the box more visible while still
  having a sense of depth.
- Use an orange color similar to the 2D editor.
This commit is contained in:
Hugo Locurcio 2020-07-04 00:11:56 +02:00
parent 1a14551f1f
commit ed3f0a3950
No known key found for this signature in database
GPG Key ID: 39E8F8BE30B0A49C
2 changed files with 55 additions and 18 deletions
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69
editor/plugins/spatial_editor_plugin.cpp
View File

@ -2441,6 +2441,7 @@ void SpatialEditorViewport::_notification(int p_what) {
t.basis = t.basis * aabb_s;
VisualServer::get_singleton()->instance_set_transform(se->sbox_instance, t);
VisualServer::get_singleton()->instance_set_transform(se->sbox_instance_xray, t);
}
if (changed || (spatial_editor->is_gizmo_visible() && !exist)) {
@ -4384,8 +4385,12 @@ SpatialEditor *SpatialEditor::singleton = NULL;
SpatialEditorSelectedItem::~SpatialEditorSelectedItem() {
if (sbox_instance.is_valid())
if (sbox_instance.is_valid()) {
VisualServer::get_singleton()->free(sbox_instance);
}
if (sbox_instance_xray.is_valid()) {
VisualServer::get_singleton()->free(sbox_instance_xray);
}
}
void SpatialEditor::select_gizmo_highlight_axis(int p_axis) {
@ -4471,44 +4476,74 @@ Object *SpatialEditor::_get_editor_data(Object *p_what) {
SpatialEditorSelectedItem *si = memnew(SpatialEditorSelectedItem);
si->sp = sp;
si->sbox_instance = VisualServer::get_singleton()->instance_create2(selection_box->get_rid(), sp->get_world()->get_scenario());
VS::get_singleton()->instance_geometry_set_cast_shadows_setting(si->sbox_instance, VS::SHADOW_CASTING_SETTING_OFF);
si->sbox_instance = VisualServer::get_singleton()->instance_create2(
selection_box->get_rid(),
sp->get_world()->get_scenario());
VS::get_singleton()->instance_geometry_set_cast_shadows_setting(
si->sbox_instance,
VS::SHADOW_CASTING_SETTING_OFF);
si->sbox_instance_xray = VisualServer::get_singleton()->instance_create2(
selection_box_xray->get_rid(),
sp->get_world()->get_scenario());
VS::get_singleton()->instance_geometry_set_cast_shadows_setting(
si->sbox_instance_xray,
VS::SHADOW_CASTING_SETTING_OFF);
return si;
}
void SpatialEditor::_generate_selection_box() {
void SpatialEditor::_generate_selection_boxes() {
// Use two AABBs to create the illusion of a slightly thicker line.
AABB aabb(Vector3(), Vector3(1, 1, 1));
aabb.grow_by(aabb.get_longest_axis_size() / 20.0);
AABB aabb_offset(Vector3(), Vector3(1, 1, 1));
// Grow the bounding boxes slightly to avoid Z-fighting with the mesh's edges.
aabb.grow_by(0.005);
aabb_offset.grow_by(0.01);
// Create a x-ray (visible through solid surfaces) and standard version of the selection box.
// Both will be drawn at the same position, but with different opacity.
// This lets the user see where the selection is while still having a sense of depth.
Ref<SurfaceTool> st = memnew(SurfaceTool);
Ref<SurfaceTool> st_xray = memnew(SurfaceTool);
st->begin(Mesh::PRIMITIVE_LINES);
st_xray->begin(Mesh::PRIMITIVE_LINES);
for (int i = 0; i < 12; i++) {
Vector3 a, b;
aabb.get_edge(i, a, b);
st->add_color(Color(1.0, 1.0, 0.8, 0.8));
st->add_vertex(a);
st->add_color(Color(1.0, 1.0, 0.8, 0.4));
st->add_vertex(a.linear_interpolate(b, 0.2));
st->add_color(Color(1.0, 1.0, 0.8, 0.4));
st->add_vertex(a.linear_interpolate(b, 0.8));
st->add_color(Color(1.0, 1.0, 0.8, 0.8));
st->add_vertex(b);
st_xray->add_vertex(a);
st_xray->add_vertex(b);
}
for (int i = 0; i < 12; i++) {
Vector3 a, b;
aabb_offset.get_edge(i, a, b);
st->add_vertex(a);
st->add_vertex(b);
st_xray->add_vertex(a);
st_xray->add_vertex(b);
}
Ref<SpatialMaterial> mat = memnew(SpatialMaterial);
mat->set_flag(SpatialMaterial::FLAG_UNSHADED, true);
mat->set_albedo(Color(1, 1, 1));
// Use a similar color to the 2D editor selection.
mat->set_albedo(Color(1, 0.5, 0));
mat->set_feature(SpatialMaterial::FEATURE_TRANSPARENT, true);
mat->set_flag(SpatialMaterial::FLAG_ALBEDO_FROM_VERTEX_COLOR, true);
mat->set_flag(SpatialMaterial::FLAG_SRGB_VERTEX_COLOR, true);
st->set_material(mat);
selection_box = st->commit();
Ref<SpatialMaterial> mat_xray = memnew(SpatialMaterial);
mat_xray->set_flag(SpatialMaterial::FLAG_UNSHADED, true);
mat_xray->set_flag(SpatialMaterial::FLAG_DISABLE_DEPTH_TEST, true);
mat_xray->set_albedo(Color(1, 0.5, 0, 0.15));
mat_xray->set_feature(SpatialMaterial::FEATURE_TRANSPARENT, true);
st_xray->set_material(mat_xray);
selection_box_xray = st_xray->commit();
}
Dictionary SpatialEditor::get_state() const {
@ -5482,7 +5517,7 @@ void SpatialEditor::_init_indicators() {
}
}
_generate_selection_box();
_generate_selection_boxes();
}
void SpatialEditor::_update_gizmos_menu() {

4
editor/plugins/spatial_editor_plugin.h
View File

@ -481,6 +481,7 @@ public:
bool last_xform_dirty;
Spatial *sp;
RID sbox_instance;
RID sbox_instance_xray;
SpatialEditorSelectedItem() {
sp = NULL;
@ -598,6 +599,7 @@ private:
float snap_rotate_value;
float snap_scale_value;
Ref<ArrayMesh> selection_box_xray;
Ref<ArrayMesh> selection_box;
RID indicators;
RID indicators_instance;
@ -687,7 +689,7 @@ private:
HBoxContainer *hbc_menu;
void _generate_selection_box();
void _generate_selection_boxes();
UndoRedo *undo_redo;
int camera_override_viewport_id;