1/**************************************************************************/
2/* shape_cast_3d.cpp */
3/**************************************************************************/
4/* This file is part of: */
5/* GODOT ENGINE */
6/* https://godotengine.org */
7/**************************************************************************/
8/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
9/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
10/* */
11/* Permission is hereby granted, free of charge, to any person obtaining */
12/* a copy of this software and associated documentation files (the */
13/* "Software"), to deal in the Software without restriction, including */
14/* without limitation the rights to use, copy, modify, merge, publish, */
15/* distribute, sublicense, and/or sell copies of the Software, and to */
16/* permit persons to whom the Software is furnished to do so, subject to */
17/* the following conditions: */
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19/* The above copyright notice and this permission notice shall be */
20/* included in all copies or substantial portions of the Software. */
21/* */
22/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
23/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
24/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
25/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
26/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
27/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
28/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
29/**************************************************************************/
30
31#include "shape_cast_3d.h"
32
33#include "scene/3d/collision_object_3d.h"
34#include "scene/3d/mesh_instance_3d.h"
35#include "scene/resources/concave_polygon_shape_3d.h"
36
37void ShapeCast3D::_notification(int p_what) {
38 switch (p_what) {
39 case NOTIFICATION_ENTER_TREE: {
40 if (Engine::get_singleton()->is_editor_hint()) {
41 _update_debug_shape_vertices();
42 }
43 if (enabled && !Engine::get_singleton()->is_editor_hint()) {
44 set_physics_process_internal(true);
45 } else {
46 set_physics_process_internal(false);
47 }
48
49 if (get_tree()->is_debugging_collisions_hint()) {
50 _update_debug_shape();
51 }
52
53 if (Object::cast_to<CollisionObject3D>(get_parent())) {
54 if (exclude_parent_body) {
55 exclude.insert(Object::cast_to<CollisionObject3D>(get_parent())->get_rid());
56 } else {
57 exclude.erase(Object::cast_to<CollisionObject3D>(get_parent())->get_rid());
58 }
59 }
60 } break;
61
62 case NOTIFICATION_EXIT_TREE: {
63 if (enabled) {
64 set_physics_process_internal(false);
65 }
66
67 if (debug_shape) {
68 _clear_debug_shape();
69 }
70 } break;
71
72 case NOTIFICATION_INTERNAL_PHYSICS_PROCESS: {
73 if (!enabled) {
74 break;
75 }
76
77 bool prev_collision_state = collided;
78 _update_shapecast_state();
79 if (get_tree()->is_debugging_collisions_hint()) {
80 if (prev_collision_state != collided) {
81 _update_debug_shape_material(true);
82 }
83 if (collided) {
84 _update_debug_shape();
85 }
86 if (prev_collision_state == collided && !collided) {
87 _update_debug_shape();
88 }
89 }
90 } break;
91 }
92}
93
94void ShapeCast3D::_bind_methods() {
95#ifndef DISABLE_DEPRECATED
96 ClassDB::bind_method(D_METHOD("resource_changed", "resource"), &ShapeCast3D::resource_changed);
97#endif
98
99 ClassDB::bind_method(D_METHOD("set_enabled", "enabled"), &ShapeCast3D::set_enabled);
100 ClassDB::bind_method(D_METHOD("is_enabled"), &ShapeCast3D::is_enabled);
101
102 ClassDB::bind_method(D_METHOD("set_shape", "shape"), &ShapeCast3D::set_shape);
103 ClassDB::bind_method(D_METHOD("get_shape"), &ShapeCast3D::get_shape);
104
105 ClassDB::bind_method(D_METHOD("set_target_position", "local_point"), &ShapeCast3D::set_target_position);
106 ClassDB::bind_method(D_METHOD("get_target_position"), &ShapeCast3D::get_target_position);
107
108 ClassDB::bind_method(D_METHOD("set_margin", "margin"), &ShapeCast3D::set_margin);
109 ClassDB::bind_method(D_METHOD("get_margin"), &ShapeCast3D::get_margin);
110
111 ClassDB::bind_method(D_METHOD("set_max_results", "max_results"), &ShapeCast3D::set_max_results);
112 ClassDB::bind_method(D_METHOD("get_max_results"), &ShapeCast3D::get_max_results);
113
114 ClassDB::bind_method(D_METHOD("is_colliding"), &ShapeCast3D::is_colliding);
115 ClassDB::bind_method(D_METHOD("get_collision_count"), &ShapeCast3D::get_collision_count);
116
117 ClassDB::bind_method(D_METHOD("force_shapecast_update"), &ShapeCast3D::force_shapecast_update);
118
119 ClassDB::bind_method(D_METHOD("get_collider", "index"), &ShapeCast3D::get_collider);
120 ClassDB::bind_method(D_METHOD("get_collider_rid", "index"), &ShapeCast3D::get_collider_rid);
121 ClassDB::bind_method(D_METHOD("get_collider_shape", "index"), &ShapeCast3D::get_collider_shape);
122 ClassDB::bind_method(D_METHOD("get_collision_point", "index"), &ShapeCast3D::get_collision_point);
123 ClassDB::bind_method(D_METHOD("get_collision_normal", "index"), &ShapeCast3D::get_collision_normal);
124
125 ClassDB::bind_method(D_METHOD("get_closest_collision_safe_fraction"), &ShapeCast3D::get_closest_collision_safe_fraction);
126 ClassDB::bind_method(D_METHOD("get_closest_collision_unsafe_fraction"), &ShapeCast3D::get_closest_collision_unsafe_fraction);
127
128 ClassDB::bind_method(D_METHOD("add_exception_rid", "rid"), &ShapeCast3D::add_exception_rid);
129 ClassDB::bind_method(D_METHOD("add_exception", "node"), &ShapeCast3D::add_exception);
130
131 ClassDB::bind_method(D_METHOD("remove_exception_rid", "rid"), &ShapeCast3D::remove_exception_rid);
132 ClassDB::bind_method(D_METHOD("remove_exception", "node"), &ShapeCast3D::remove_exception);
133
134 ClassDB::bind_method(D_METHOD("clear_exceptions"), &ShapeCast3D::clear_exceptions);
135
136 ClassDB::bind_method(D_METHOD("set_collision_mask", "mask"), &ShapeCast3D::set_collision_mask);
137 ClassDB::bind_method(D_METHOD("get_collision_mask"), &ShapeCast3D::get_collision_mask);
138
139 ClassDB::bind_method(D_METHOD("set_collision_mask_value", "layer_number", "value"), &ShapeCast3D::set_collision_mask_value);
140 ClassDB::bind_method(D_METHOD("get_collision_mask_value", "layer_number"), &ShapeCast3D::get_collision_mask_value);
141
142 ClassDB::bind_method(D_METHOD("set_exclude_parent_body", "mask"), &ShapeCast3D::set_exclude_parent_body);
143 ClassDB::bind_method(D_METHOD("get_exclude_parent_body"), &ShapeCast3D::get_exclude_parent_body);
144
145 ClassDB::bind_method(D_METHOD("set_collide_with_areas", "enable"), &ShapeCast3D::set_collide_with_areas);
146 ClassDB::bind_method(D_METHOD("is_collide_with_areas_enabled"), &ShapeCast3D::is_collide_with_areas_enabled);
147
148 ClassDB::bind_method(D_METHOD("set_collide_with_bodies", "enable"), &ShapeCast3D::set_collide_with_bodies);
149 ClassDB::bind_method(D_METHOD("is_collide_with_bodies_enabled"), &ShapeCast3D::is_collide_with_bodies_enabled);
150
151 ClassDB::bind_method(D_METHOD("_get_collision_result"), &ShapeCast3D::_get_collision_result);
152
153 ClassDB::bind_method(D_METHOD("set_debug_shape_custom_color", "debug_shape_custom_color"), &ShapeCast3D::set_debug_shape_custom_color);
154 ClassDB::bind_method(D_METHOD("get_debug_shape_custom_color"), &ShapeCast3D::get_debug_shape_custom_color);
155
156 ADD_PROPERTY(PropertyInfo(Variant::BOOL, "enabled"), "set_enabled", "is_enabled");
157 ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "shape", PROPERTY_HINT_RESOURCE_TYPE, "Shape3D"), "set_shape", "get_shape");
158 ADD_PROPERTY(PropertyInfo(Variant::BOOL, "exclude_parent"), "set_exclude_parent_body", "get_exclude_parent_body");
159 ADD_PROPERTY(PropertyInfo(Variant::VECTOR3, "target_position", PROPERTY_HINT_NONE, "suffix:m"), "set_target_position", "get_target_position");
160 ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "margin", PROPERTY_HINT_RANGE, "0,100,0.01,suffix:m"), "set_margin", "get_margin");
161 ADD_PROPERTY(PropertyInfo(Variant::INT, "max_results"), "set_max_results", "get_max_results");
162 ADD_PROPERTY(PropertyInfo(Variant::INT, "collision_mask", PROPERTY_HINT_LAYERS_3D_PHYSICS), "set_collision_mask", "get_collision_mask");
163 ADD_PROPERTY(PropertyInfo(Variant::ARRAY, "collision_result", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NO_EDITOR), "", "_get_collision_result");
164
165 ADD_GROUP("Collide With", "collide_with");
166 ADD_PROPERTY(PropertyInfo(Variant::BOOL, "collide_with_areas", PROPERTY_HINT_LAYERS_3D_PHYSICS), "set_collide_with_areas", "is_collide_with_areas_enabled");
167 ADD_PROPERTY(PropertyInfo(Variant::BOOL, "collide_with_bodies", PROPERTY_HINT_LAYERS_3D_PHYSICS), "set_collide_with_bodies", "is_collide_with_bodies_enabled");
168
169 ADD_GROUP("Debug Shape", "debug_shape");
170 ADD_PROPERTY(PropertyInfo(Variant::COLOR, "debug_shape_custom_color"), "set_debug_shape_custom_color", "get_debug_shape_custom_color");
171}
172
173PackedStringArray ShapeCast3D::get_configuration_warnings() const {
174 PackedStringArray warnings = Node3D::get_configuration_warnings();
175
176 if (shape.is_null()) {
177 warnings.push_back(RTR("This node cannot interact with other objects unless a Shape3D is assigned."));
178 }
179 if (shape.is_valid() && Object::cast_to<ConcavePolygonShape3D>(*shape)) {
180 warnings.push_back(RTR("ShapeCast3D does not support ConcavePolygonShape3Ds. Collisions will not be reported."));
181 }
182 return warnings;
183}
184
185void ShapeCast3D::set_enabled(bool p_enabled) {
186 enabled = p_enabled;
187 update_gizmos();
188
189 if (is_inside_tree() && !Engine::get_singleton()->is_editor_hint()) {
190 set_physics_process_internal(p_enabled);
191 }
192 if (!p_enabled) {
193 collided = false;
194 }
195
196 if (is_inside_tree() && get_tree()->is_debugging_collisions_hint()) {
197 if (p_enabled) {
198 _update_debug_shape();
199 } else {
200 _clear_debug_shape();
201 }
202 }
203}
204
205bool ShapeCast3D::is_enabled() const {
206 return enabled;
207}
208
209void ShapeCast3D::set_target_position(const Vector3 &p_point) {
210 target_position = p_point;
211 if (is_inside_tree() && get_tree()->is_debugging_collisions_hint()) {
212 _update_debug_shape();
213 }
214 update_gizmos();
215
216 if (Engine::get_singleton()->is_editor_hint()) {
217 if (is_inside_tree()) {
218 _update_debug_shape_vertices();
219 }
220 } else if (debug_shape) {
221 _update_debug_shape();
222 }
223}
224
225Vector3 ShapeCast3D::get_target_position() const {
226 return target_position;
227}
228
229void ShapeCast3D::set_margin(real_t p_margin) {
230 margin = p_margin;
231}
232
233real_t ShapeCast3D::get_margin() const {
234 return margin;
235}
236
237void ShapeCast3D::set_max_results(int p_max_results) {
238 max_results = p_max_results;
239}
240
241int ShapeCast3D::get_max_results() const {
242 return max_results;
243}
244
245void ShapeCast3D::set_collision_mask(uint32_t p_mask) {
246 collision_mask = p_mask;
247}
248
249uint32_t ShapeCast3D::get_collision_mask() const {
250 return collision_mask;
251}
252
253void ShapeCast3D::set_collision_mask_value(int p_layer_number, bool p_value) {
254 ERR_FAIL_COND_MSG(p_layer_number < 1, "Collision layer number must be between 1 and 32 inclusive.");
255 ERR_FAIL_COND_MSG(p_layer_number > 32, "Collision layer number must be between 1 and 32 inclusive.");
256 uint32_t mask = get_collision_mask();
257 if (p_value) {
258 mask |= 1 << (p_layer_number - 1);
259 } else {
260 mask &= ~(1 << (p_layer_number - 1));
261 }
262 set_collision_mask(mask);
263}
264
265bool ShapeCast3D::get_collision_mask_value(int p_layer_number) const {
266 ERR_FAIL_COND_V_MSG(p_layer_number < 1, false, "Collision layer number must be between 1 and 32 inclusive.");
267 ERR_FAIL_COND_V_MSG(p_layer_number > 32, false, "Collision layer number must be between 1 and 32 inclusive.");
268 return get_collision_mask() & (1 << (p_layer_number - 1));
269}
270
271int ShapeCast3D::get_collision_count() const {
272 return result.size();
273}
274
275bool ShapeCast3D::is_colliding() const {
276 return collided;
277}
278
279Object *ShapeCast3D::get_collider(int p_idx) const {
280 ERR_FAIL_INDEX_V_MSG(p_idx, result.size(), nullptr, "No collider found.");
281
282 if (result[p_idx].collider_id.is_null()) {
283 return nullptr;
284 }
285 return ObjectDB::get_instance(result[p_idx].collider_id);
286}
287
288RID ShapeCast3D::get_collider_rid(int p_idx) const {
289 ERR_FAIL_INDEX_V_MSG(p_idx, result.size(), RID(), "No collider RID found.");
290 return result[p_idx].rid;
291}
292
293int ShapeCast3D::get_collider_shape(int p_idx) const {
294 ERR_FAIL_INDEX_V_MSG(p_idx, result.size(), -1, "No collider shape found.");
295 return result[p_idx].shape;
296}
297
298Vector3 ShapeCast3D::get_collision_point(int p_idx) const {
299 ERR_FAIL_INDEX_V_MSG(p_idx, result.size(), Vector3(), "No collision point found.");
300 return result[p_idx].point;
301}
302
303Vector3 ShapeCast3D::get_collision_normal(int p_idx) const {
304 ERR_FAIL_INDEX_V_MSG(p_idx, result.size(), Vector3(), "No collision normal found.");
305 return result[p_idx].normal;
306}
307
308real_t ShapeCast3D::get_closest_collision_safe_fraction() const {
309 return collision_safe_fraction;
310}
311
312real_t ShapeCast3D::get_closest_collision_unsafe_fraction() const {
313 return collision_unsafe_fraction;
314}
315
316#ifndef DISABLE_DEPRECATED
317void ShapeCast3D::resource_changed(Ref<Resource> p_res) {
318}
319#endif
320
321void ShapeCast3D::_shape_changed() {
322 update_gizmos();
323 bool is_editor = Engine::get_singleton()->is_editor_hint();
324 if (is_inside_tree() && (is_editor || get_tree()->is_debugging_collisions_hint())) {
325 _update_debug_shape();
326 }
327}
328
329void ShapeCast3D::set_shape(const Ref<Shape3D> &p_shape) {
330 if (p_shape == shape) {
331 return;
332 }
333 if (shape.is_valid()) {
334 shape->disconnect_changed(callable_mp(this, &ShapeCast3D::_shape_changed));
335 }
336 shape = p_shape;
337 if (shape.is_valid()) {
338 shape->connect_changed(callable_mp(this, &ShapeCast3D::_shape_changed));
339 shape_rid = shape->get_rid();
340 }
341
342 bool is_editor = Engine::get_singleton()->is_editor_hint();
343 if (is_inside_tree() && (is_editor || get_tree()->is_debugging_collisions_hint())) {
344 _update_debug_shape();
345 }
346 update_gizmos();
347 update_configuration_warnings();
348}
349
350Ref<Shape3D> ShapeCast3D::get_shape() const {
351 return shape;
352}
353
354void ShapeCast3D::set_exclude_parent_body(bool p_exclude_parent_body) {
355 if (exclude_parent_body == p_exclude_parent_body) {
356 return;
357 }
358 exclude_parent_body = p_exclude_parent_body;
359
360 if (!is_inside_tree()) {
361 return;
362 }
363 if (Object::cast_to<CollisionObject3D>(get_parent())) {
364 if (exclude_parent_body) {
365 exclude.insert(Object::cast_to<CollisionObject3D>(get_parent())->get_rid());
366 } else {
367 exclude.erase(Object::cast_to<CollisionObject3D>(get_parent())->get_rid());
368 }
369 }
370}
371
372bool ShapeCast3D::get_exclude_parent_body() const {
373 return exclude_parent_body;
374}
375
376void ShapeCast3D::_update_shapecast_state() {
377 result.clear();
378
379 ERR_FAIL_COND_MSG(shape.is_null(), "Null reference to shape. ShapeCast3D requires a Shape3D to sweep for collisions.");
380
381 Ref<World3D> w3d = get_world_3d();
382 ERR_FAIL_COND(w3d.is_null());
383
384 PhysicsDirectSpaceState3D *dss = PhysicsServer3D::get_singleton()->space_get_direct_state(w3d->get_space());
385 ERR_FAIL_NULL(dss);
386
387 Transform3D gt = get_global_transform();
388
389 PhysicsDirectSpaceState3D::ShapeParameters params;
390 params.shape_rid = shape_rid;
391 params.transform = gt;
392 params.motion = gt.basis.xform(target_position);
393 params.margin = margin;
394 params.exclude = exclude;
395 params.collision_mask = collision_mask;
396 params.collide_with_bodies = collide_with_bodies;
397 params.collide_with_areas = collide_with_areas;
398
399 collision_safe_fraction = 0.0;
400 collision_unsafe_fraction = 0.0;
401
402 if (target_position != Vector3()) {
403 dss->cast_motion(params, collision_safe_fraction, collision_unsafe_fraction);
404 if (collision_unsafe_fraction < 1.0) {
405 // Move shape transform to the point of impact,
406 // so we can collect contact info at that point.
407 gt.set_origin(gt.get_origin() + params.motion * (collision_unsafe_fraction + CMP_EPSILON));
408 params.transform = gt;
409 }
410 }
411 // Regardless of whether the shape is stuck or it's moved along
412 // the motion vector, we'll only consider static collisions from now on.
413 params.motion = Vector3();
414
415 bool intersected = true;
416 while (intersected && result.size() < max_results) {
417 PhysicsDirectSpaceState3D::ShapeRestInfo info;
418 intersected = dss->rest_info(params, &info);
419 if (intersected) {
420 result.push_back(info);
421 params.exclude.insert(info.rid);
422 }
423 }
424 collided = !result.is_empty();
425}
426
427void ShapeCast3D::force_shapecast_update() {
428 _update_shapecast_state();
429}
430
431void ShapeCast3D::add_exception_rid(const RID &p_rid) {
432 exclude.insert(p_rid);
433}
434
435void ShapeCast3D::add_exception(const CollisionObject3D *p_node) {
436 ERR_FAIL_NULL_MSG(p_node, "The passed Node must be an instance of CollisionObject3D.");
437 add_exception_rid(p_node->get_rid());
438}
439
440void ShapeCast3D::remove_exception_rid(const RID &p_rid) {
441 exclude.erase(p_rid);
442}
443
444void ShapeCast3D::remove_exception(const CollisionObject3D *p_node) {
445 ERR_FAIL_NULL_MSG(p_node, "The passed Node must be an instance of CollisionObject3D.");
446 remove_exception_rid(p_node->get_rid());
447}
448
449void ShapeCast3D::clear_exceptions() {
450 exclude.clear();
451}
452
453void ShapeCast3D::set_collide_with_areas(bool p_clip) {
454 collide_with_areas = p_clip;
455}
456
457bool ShapeCast3D::is_collide_with_areas_enabled() const {
458 return collide_with_areas;
459}
460
461void ShapeCast3D::set_collide_with_bodies(bool p_clip) {
462 collide_with_bodies = p_clip;
463}
464
465bool ShapeCast3D::is_collide_with_bodies_enabled() const {
466 return collide_with_bodies;
467}
468
469Array ShapeCast3D::_get_collision_result() const {
470 Array ret;
471
472 for (int i = 0; i < result.size(); ++i) {
473 const PhysicsDirectSpaceState3D::ShapeRestInfo &sri = result[i];
474
475 Dictionary col;
476 col["point"] = sri.point;
477 col["normal"] = sri.normal;
478 col["rid"] = sri.rid;
479 col["collider"] = ObjectDB::get_instance(sri.collider_id);
480 col["collider_id"] = sri.collider_id;
481 col["shape"] = sri.shape;
482 col["linear_velocity"] = sri.linear_velocity;
483
484 ret.push_back(col);
485 }
486 return ret;
487}
488
489void ShapeCast3D::_update_debug_shape_vertices() {
490 debug_shape_vertices.clear();
491 debug_line_vertices.clear();
492
493 if (!shape.is_null()) {
494 debug_shape_vertices.append_array(shape->get_debug_mesh_lines());
495 for (int i = 0; i < debug_shape_vertices.size(); i++) {
496 debug_shape_vertices.set(i, debug_shape_vertices[i] + Vector3(target_position * get_closest_collision_safe_fraction()));
497 }
498 }
499
500 if (target_position == Vector3()) {
501 return;
502 }
503
504 debug_line_vertices.push_back(Vector3());
505 debug_line_vertices.push_back(target_position);
506}
507
508const Vector<Vector3> &ShapeCast3D::get_debug_shape_vertices() const {
509 return debug_shape_vertices;
510}
511
512const Vector<Vector3> &ShapeCast3D::get_debug_line_vertices() const {
513 return debug_line_vertices;
514}
515
516void ShapeCast3D::set_debug_shape_custom_color(const Color &p_color) {
517 debug_shape_custom_color = p_color;
518 if (debug_material.is_valid()) {
519 _update_debug_shape_material();
520 }
521}
522
523Ref<StandardMaterial3D> ShapeCast3D::get_debug_material() {
524 _update_debug_shape_material();
525 return debug_material;
526}
527
528const Color &ShapeCast3D::get_debug_shape_custom_color() const {
529 return debug_shape_custom_color;
530}
531
532void ShapeCast3D::_create_debug_shape() {
533 _update_debug_shape_material();
534
535 Ref<ArrayMesh> mesh = memnew(ArrayMesh);
536
537 MeshInstance3D *mi = memnew(MeshInstance3D);
538 mi->set_mesh(mesh);
539
540 add_child(mi);
541 debug_shape = mi;
542}
543
544void ShapeCast3D::_update_debug_shape_material(bool p_check_collision) {
545 if (!debug_material.is_valid()) {
546 Ref<StandardMaterial3D> material = memnew(StandardMaterial3D);
547 debug_material = material;
548
549 material->set_shading_mode(StandardMaterial3D::SHADING_MODE_UNSHADED);
550 // Use double-sided rendering so that the RayCast can be seen if the camera is inside.
551 material->set_cull_mode(BaseMaterial3D::CULL_DISABLED);
552 material->set_transparency(BaseMaterial3D::TRANSPARENCY_ALPHA);
553 }
554
555 Color color = debug_shape_custom_color;
556 if (color == Color(0.0, 0.0, 0.0)) {
557 // Use the default debug shape color defined in the Project Settings.
558 color = get_tree()->get_debug_collisions_color();
559 }
560
561 if (p_check_collision && collided) {
562 if ((color.get_h() < 0.055 || color.get_h() > 0.945) && color.get_s() > 0.5 && color.get_v() > 0.5) {
563 // If base color is already quite reddish, highlight collision with green color
564 color = Color(0.0, 1.0, 0.0, color.a);
565 } else {
566 // Else, highlight collision with red color
567 color = Color(1.0, 0, 0, color.a);
568 }
569 }
570
571 Ref<StandardMaterial3D> material = static_cast<Ref<StandardMaterial3D>>(debug_material);
572 material->set_albedo(color);
573}
574
575void ShapeCast3D::_update_debug_shape() {
576 if (!enabled) {
577 return;
578 }
579
580 if (!debug_shape) {
581 _create_debug_shape();
582 }
583
584 _update_debug_shape_vertices();
585
586 if (Engine::get_singleton()->is_editor_hint()) {
587 return;
588 }
589
590 MeshInstance3D *mi = static_cast<MeshInstance3D *>(debug_shape);
591 Ref<ArrayMesh> mesh = mi->get_mesh();
592 if (!mesh.is_valid()) {
593 return;
594 }
595
596 mesh->clear_surfaces();
597
598 Array a;
599 a.resize(Mesh::ARRAY_MAX);
600
601 uint32_t flags = 0;
602 int surface_count = 0;
603
604 if (!debug_shape_vertices.is_empty()) {
605 a[Mesh::ARRAY_VERTEX] = debug_shape_vertices;
606 mesh->add_surface_from_arrays(Mesh::PRIMITIVE_LINES, a, Array(), Dictionary(), flags);
607 mesh->surface_set_material(surface_count, debug_material);
608 ++surface_count;
609 }
610
611 if (!debug_line_vertices.is_empty()) {
612 a[Mesh::ARRAY_VERTEX] = debug_line_vertices;
613 mesh->add_surface_from_arrays(Mesh::PRIMITIVE_LINES, a, Array(), Dictionary(), flags);
614 mesh->surface_set_material(surface_count, debug_material);
615 ++surface_count;
616 }
617}
618
619void ShapeCast3D::_clear_debug_shape() {
620 if (!debug_shape) {
621 return;
622 }
623
624 MeshInstance3D *mi = static_cast<MeshInstance3D *>(debug_shape);
625 if (mi->is_inside_tree()) {
626 mi->queue_free();
627 } else {
628 memdelete(mi);
629 }
630
631 debug_shape = nullptr;
632}
633