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Use collision detection ray to reposition an object already in the scene

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This commit is contained in:
Robert Yevdokimov 2024-09-07 19:24:52 -07:00
parent db66bd35af
commit fb768a7118
2 changed files with 72 additions and 17 deletions
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85
editor/plugins/node_3d_editor_plugin.cpp
View File

@ -673,6 +673,7 @@ void Node3DEditorViewport::cancel_transform() {
sp->set_global_transform(se->original); sp->set_global_transform(se->original);
} }
collision_reposition = false;
finish_transform(); finish_transform();
set_message(TTR("Transform Aborted."), 3); set_message(TTR("Transform Aborted."), 3);
} }
@ -1802,7 +1803,7 @@ void Node3DEditorViewport::_sinput(const Ref<InputEvent> &p_event) {
if (b->is_pressed()) { if (b->is_pressed()) {
clicked_wants_append = b->is_shift_pressed(); clicked_wants_append = b->is_shift_pressed();
if (_edit.mode != TRANSFORM_NONE && _edit.instant) { if (_edit.mode != TRANSFORM_NONE && (_edit.instant || collision_reposition)) {
commit_transform(); commit_transform();
break; // just commit the edit, stop processing the event so we don't deselect the object break; // just commit the edit, stop processing the event so we don't deselect the object
} }
@ -2398,10 +2399,10 @@ void Node3DEditorViewport::_sinput(const Ref<InputEvent> &p_event) {
cancel_transform(); cancel_transform();
} }
if (!is_freelook_active() && !k->is_echo()) { if (!is_freelook_active() && !k->is_echo()) {
if (ED_IS_SHORTCUT("spatial_editor/instant_translate", p_event) && _edit.mode != TRANSFORM_TRANSLATE) { if (ED_IS_SHORTCUT("spatial_editor/instant_translate", p_event) && (_edit.mode != TRANSFORM_TRANSLATE || collision_reposition)) {
if (_edit.mode == TRANSFORM_NONE) { if (_edit.mode == TRANSFORM_NONE) {
begin_transform(TRANSFORM_TRANSLATE, true); begin_transform(TRANSFORM_TRANSLATE, true);
} else if (_edit.instant) { } else if (_edit.instant || collision_reposition) {
commit_transform(); commit_transform();
begin_transform(TRANSFORM_TRANSLATE, true); begin_transform(TRANSFORM_TRANSLATE, true);
} }
@ -2409,7 +2410,7 @@ void Node3DEditorViewport::_sinput(const Ref<InputEvent> &p_event) {
if (ED_IS_SHORTCUT("spatial_editor/instant_rotate", p_event) && _edit.mode != TRANSFORM_ROTATE) { if (ED_IS_SHORTCUT("spatial_editor/instant_rotate", p_event) && _edit.mode != TRANSFORM_ROTATE) {
if (_edit.mode == TRANSFORM_NONE) { if (_edit.mode == TRANSFORM_NONE) {
begin_transform(TRANSFORM_ROTATE, true); begin_transform(TRANSFORM_ROTATE, true);
} else if (_edit.instant) { } else if (_edit.instant || collision_reposition) {
commit_transform(); commit_transform();
begin_transform(TRANSFORM_ROTATE, true); begin_transform(TRANSFORM_ROTATE, true);
} }
@ -2417,11 +2418,23 @@ void Node3DEditorViewport::_sinput(const Ref<InputEvent> &p_event) {
if (ED_IS_SHORTCUT("spatial_editor/instant_scale", p_event) && _edit.mode != TRANSFORM_SCALE) { if (ED_IS_SHORTCUT("spatial_editor/instant_scale", p_event) && _edit.mode != TRANSFORM_SCALE) {
if (_edit.mode == TRANSFORM_NONE) { if (_edit.mode == TRANSFORM_NONE) {
begin_transform(TRANSFORM_SCALE, true); begin_transform(TRANSFORM_SCALE, true);
} else if (_edit.instant) { } else if (_edit.instant || collision_reposition) {
commit_transform(); commit_transform();
begin_transform(TRANSFORM_SCALE, true); begin_transform(TRANSFORM_SCALE, true);
} }
} }
if (ED_IS_SHORTCUT("spatial_editor/collision_reposition", p_event) && editor_selection->get_selected_node_list().size() == 1 && !collision_reposition) {
if (_edit.mode == TRANSFORM_NONE || _edit.instant) {
if (_edit.mode == TRANSFORM_NONE) {
_compute_edit(_edit.mouse_pos);
} else {
commit_transform();
_compute_edit(_edit.mouse_pos);
}
_edit.mode = TRANSFORM_TRANSLATE;
collision_reposition = true;
}
}
} }
// Freelook doesn't work in orthogonal mode. // Freelook doesn't work in orthogonal mode.
@ -3072,11 +3085,24 @@ void Node3DEditorViewport::_notification(int p_what) {
} break; } break;
case NOTIFICATION_PHYSICS_PROCESS: { case NOTIFICATION_PHYSICS_PROCESS: {
if (collision_reposition) {
List<Node *> &selection = editor_selection->get_selected_node_list();
if (selection.size() == 1) {
Node3D *first_selected_node = Object::cast_to<Node3D>(selection.front()->get());
double snap = EDITOR_GET("interface/inspector/default_float_step");
int snap_step_decimals = Math::range_step_decimals(snap);
set_message(TTR("Translating:") + " (" + String::num(first_selected_node->get_global_position().x, snap_step_decimals) + ", " +
String::num(first_selected_node->get_global_position().y, snap_step_decimals) + ", " + String::num(first_selected_node->get_global_position().z, snap_step_decimals) + ")");
first_selected_node->set_global_position(spatial_editor->snap_point(_get_instance_position(_edit.mouse_pos, first_selected_node)));
}
}
if (!update_preview_node) { if (!update_preview_node) {
return; return;
} }
if (preview_node->is_inside_tree()) { if (preview_node->is_inside_tree()) {
preview_node_pos = spatial_editor->snap_point(_get_instance_position(preview_node_viewport_pos)); preview_node_pos = spatial_editor->snap_point(_get_instance_position(preview_node_viewport_pos, preview_node));
double snap = EDITOR_GET("interface/inspector/default_float_step"); double snap = EDITOR_GET("interface/inspector/default_float_step");
int snap_step_decimals = Math::range_step_decimals(snap); int snap_step_decimals = Math::range_step_decimals(snap);
set_message(TTR("Instantiating:") + " (" + String::num(preview_node_pos.x, snap_step_decimals) + ", " + set_message(TTR("Instantiating:") + " (" + String::num(preview_node_pos.x, snap_step_decimals) + ", " +
@ -3966,7 +3992,7 @@ void Node3DEditorViewport::update_transform_gizmo_view() {
return; return;
} }
bool show_gizmo = spatial_editor->is_gizmo_visible() && !_edit.instant && transform_gizmo_visible; bool show_gizmo = spatial_editor->is_gizmo_visible() && !_edit.instant && transform_gizmo_visible && !collision_reposition;
for (int i = 0; i < 3; i++) { for (int i = 0; i < 3; i++) {
Transform3D axis_angle; Transform3D axis_angle;
if (xform.basis.get_column(i).normalized().dot(xform.basis.get_column((i + 1) % 3).normalized()) < 1.0) { if (xform.basis.get_column(i).normalized().dot(xform.basis.get_column((i + 1) % 3).normalized()) < 1.0) {
@ -3997,7 +4023,7 @@ void Node3DEditorViewport::update_transform_gizmo_view() {
xform.orthonormalize(); xform.orthonormalize();
xform.basis.scale(scale); xform.basis.scale(scale);
RenderingServer::get_singleton()->instance_set_transform(rotate_gizmo_instance[3], xform); RenderingServer::get_singleton()->instance_set_transform(rotate_gizmo_instance[3], xform);
RenderingServer::get_singleton()->instance_set_visible(rotate_gizmo_instance[3], spatial_editor->is_gizmo_visible() && !_edit.instant && transform_gizmo_visible && (spatial_editor->get_tool_mode() == Node3DEditor::TOOL_MODE_SELECT || spatial_editor->get_tool_mode() == Node3DEditor::TOOL_MODE_ROTATE)); RenderingServer::get_singleton()->instance_set_visible(rotate_gizmo_instance[3], spatial_editor->is_gizmo_visible() && !_edit.instant && transform_gizmo_visible && !collision_reposition && (spatial_editor->get_tool_mode() == Node3DEditor::TOOL_MODE_SELECT || spatial_editor->get_tool_mode() == Node3DEditor::TOOL_MODE_ROTATE));
} }
void Node3DEditorViewport::set_state(const Dictionary &p_state) { void Node3DEditorViewport::set_state(const Dictionary &p_state) {
@ -4241,7 +4267,19 @@ void Node3DEditorViewport::assign_pending_data_pointers(Node3D *p_preview_node,
accept = p_accept; accept = p_accept;
} }
Vector3 Node3DEditorViewport::_get_instance_position(const Point2 &p_pos) const { void _insert_rid_recursive(Node *node, HashSet<RID> &rids) {
CollisionObject3D *co = Object::cast_to<CollisionObject3D>(node);
if (co) {
rids.insert(co->get_rid());
}
for (int i = 0; i < node->get_child_count(); i++) {
Node *child = node->get_child(i);
_insert_rid_recursive(child, rids);
}
}
Vector3 Node3DEditorViewport::_get_instance_position(const Point2 &p_pos, Node3D *p_node) const {
const float MAX_DISTANCE = 50.0; const float MAX_DISTANCE = 50.0;
const float FALLBACK_DISTANCE = 5.0; const float FALLBACK_DISTANCE = 5.0;
@ -4250,13 +4288,28 @@ Vector3 Node3DEditorViewport::_get_instance_position(const Point2 &p_pos) const
PhysicsDirectSpaceState3D *ss = get_tree()->get_root()->get_world_3d()->get_direct_space_state(); PhysicsDirectSpaceState3D *ss = get_tree()->get_root()->get_world_3d()->get_direct_space_state();
HashSet<RID> rids;
if (!preview_node->is_inside_tree()) {
List<Node *> &selection = editor_selection->get_selected_node_list();
Node3D *first_selected_node = Object::cast_to<Node3D>(selection.front()->get());
Array children = first_selected_node->get_children();
if (first_selected_node) {
_insert_rid_recursive(first_selected_node, rids);
}
}
PhysicsDirectSpaceState3D::RayParameters ray_params; PhysicsDirectSpaceState3D::RayParameters ray_params;
ray_params.exclude = rids;
ray_params.from = world_pos; ray_params.from = world_pos;
ray_params.to = world_pos + world_ray * camera->get_far(); ray_params.to = world_pos + world_ray * camera->get_far();
PhysicsDirectSpaceState3D::RayResult result; PhysicsDirectSpaceState3D::RayResult result;
if (ss->intersect_ray(ray_params, result) && preview_node->get_child_count() > 0) { if (ss->intersect_ray(ray_params, result) && (preview_node->get_child_count() > 0 || !preview_node->is_inside_tree())) {
// Calculate an offset for the `preview_node` such that the its bounding box is on top of and touching the contact surface's plane. // Calculate an offset for the `p_node` such that the its bounding box is on top of and touching the contact surface's plane.
// Use the Gram-Schmidt process to get an orthonormal Basis aligned with the surface normal. // Use the Gram-Schmidt process to get an orthonormal Basis aligned with the surface normal.
const Vector3 bb_basis_x = result.normal; const Vector3 bb_basis_x = result.normal;
@ -4271,10 +4324,10 @@ Vector3 Node3DEditorViewport::_get_instance_position(const Point2 &p_pos) const
const Basis bb_basis = Basis(bb_basis_x, bb_basis_y, bb_basis_z); const Basis bb_basis = Basis(bb_basis_x, bb_basis_y, bb_basis_z);
// This normal-aligned Basis allows us to create an AABB that can fit on the surface plane as snugly as possible. // This normal-aligned Basis allows us to create an AABB that can fit on the surface plane as snugly as possible.
const Transform3D bb_transform = Transform3D(bb_basis, preview_node->get_transform().origin); const Transform3D bb_transform = Transform3D(bb_basis, p_node->get_transform().origin);
const AABB preview_node_bb = _calculate_spatial_bounds(preview_node, true, &bb_transform); const AABB p_node_bb = _calculate_spatial_bounds(p_node, true, &bb_transform);
// The x-axis's alignment with the surface normal also makes it trivial to get the distance from `preview_node`'s origin at (0, 0, 0) to the correct AABB face. // The x-axis's alignment with the surface normal also makes it trivial to get the distance from `p_node`'s origin at (0, 0, 0) to the correct AABB face.
const float offset_distance = -preview_node_bb.position.x; const float offset_distance = -p_node_bb.position.x;
// `result_offset` is in global space. // `result_offset` is in global space.
const Vector3 result_offset = result.position + result.normal * offset_distance; const Vector3 result_offset = result.position + result.normal * offset_distance;
@ -4912,6 +4965,7 @@ void Node3DEditorViewport::commit_transform() {
} }
undo_redo->commit_action(); undo_redo->commit_action();
collision_reposition = false;
finish_transform(); finish_transform();
set_message(""); set_message("");
} }
@ -5509,6 +5563,7 @@ Node3DEditorViewport::Node3DEditorViewport(Node3DEditor *p_spatial_editor, int p
ED_SHORTCUT("spatial_editor/instant_translate", TTR("Begin Translate Transformation")); ED_SHORTCUT("spatial_editor/instant_translate", TTR("Begin Translate Transformation"));
ED_SHORTCUT("spatial_editor/instant_rotate", TTR("Begin Rotate Transformation")); ED_SHORTCUT("spatial_editor/instant_rotate", TTR("Begin Rotate Transformation"));
ED_SHORTCUT("spatial_editor/instant_scale", TTR("Begin Scale Transformation")); ED_SHORTCUT("spatial_editor/instant_scale", TTR("Begin Scale Transformation"));
ED_SHORTCUT("spatial_editor/collision_reposition", TTR("Reposition Using Collisions"), KeyModifierMask::SHIFT | Key::G);
preview_camera = memnew(CheckBox); preview_camera = memnew(CheckBox);
preview_camera->set_text(TTR("Preview")); preview_camera->set_text(TTR("Preview"));

4
editor/plugins/node_3d_editor_plugin.h
View File

@ -245,6 +245,7 @@ private:
bool auto_orthogonal; bool auto_orthogonal;
bool lock_rotation; bool lock_rotation;
bool transform_gizmo_visible = true; bool transform_gizmo_visible = true;
bool collision_reposition = false;
real_t gizmo_scale; real_t gizmo_scale;
bool freelook_active; bool freelook_active;
@ -338,7 +339,6 @@ private:
TRANSFORM_ROTATE, TRANSFORM_ROTATE,
TRANSFORM_TRANSLATE, TRANSFORM_TRANSLATE,
TRANSFORM_SCALE TRANSFORM_SCALE
}; };
enum TransformPlane { enum TransformPlane {
TRANSFORM_VIEW, TRANSFORM_VIEW,
@ -471,7 +471,7 @@ private:
void _list_select(Ref<InputEventMouseButton> b); void _list_select(Ref<InputEventMouseButton> b);
Point2 _get_warped_mouse_motion(const Ref<InputEventMouseMotion> &p_ev_mouse_motion) const; Point2 _get_warped_mouse_motion(const Ref<InputEventMouseMotion> &p_ev_mouse_motion) const;
Vector3 _get_instance_position(const Point2 &p_pos) const; Vector3 _get_instance_position(const Point2 &p_pos, Node3D *p_node) const;
static AABB _calculate_spatial_bounds(const Node3D *p_parent, bool p_omit_top_level = false, const Transform3D *p_bounds_orientation = nullptr); static AABB _calculate_spatial_bounds(const Node3D *p_parent, bool p_omit_top_level = false, const Transform3D *p_bounds_orientation = nullptr);
Node *_sanitize_preview_node(Node *p_node) const; Node *_sanitize_preview_node(Node *p_node) const;