1 /*************************************************************************/
2 /* camera.cpp */
3 /*************************************************************************/
4 /* This file is part of: */
5 /* GODOT ENGINE */
6 /* https://godotengine.org */
7 /*************************************************************************/
8 /* Copyright (c) 2007-2019 Juan Linietsky, Ariel Manzur. */
9 /* Copyright (c) 2014-2019 Godot Engine contributors (cf. AUTHORS.md) */
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 #include "camera.h"
31
32 #include "camera_matrix.h"
33 #include "scene/resources/material.h"
34 #include "scene/resources/surface_tool.h"
35
_update_audio_listener_state()36 void Camera::_update_audio_listener_state() {
37 }
38
_request_camera_update()39 void Camera::_request_camera_update() {
40
41 _update_camera();
42 }
43
_update_camera_mode()44 void Camera::_update_camera_mode() {
45
46 force_change = true;
47 switch (mode) {
48 case PROJECTION_PERSPECTIVE: {
49
50 set_perspective(fov, near, far);
51
52 } break;
53 case PROJECTION_ORTHOGONAL: {
54 set_orthogonal(size, near, far);
55 } break;
56 }
57 }
58
_set(const StringName & p_name,const Variant & p_value)59 bool Camera::_set(const StringName &p_name, const Variant &p_value) {
60
61 bool changed_all = false;
62 if (p_name == "projection") {
63
64 int proj = p_value;
65 if (proj == PROJECTION_PERSPECTIVE)
66 mode = PROJECTION_PERSPECTIVE;
67 if (proj == PROJECTION_ORTHOGONAL)
68 mode = PROJECTION_ORTHOGONAL;
69
70 changed_all = true;
71 } else if (p_name == "fov" || p_name == "fovy" || p_name == "fovx")
72 fov = p_value;
73 else if (p_name == "size" || p_name == "sizex" || p_name == "sizey")
74 size = p_value;
75 else if (p_name == "near")
76 near = p_value;
77 else if (p_name == "far")
78 far = p_value;
79 else if (p_name == "keep_aspect")
80 set_keep_aspect_mode(KeepAspect(int(p_value)));
81 else if (p_name == "vaspect")
82 set_keep_aspect_mode(p_value ? KEEP_WIDTH : KEEP_HEIGHT);
83 else if (p_name == "h_offset")
84 h_offset = p_value;
85 else if (p_name == "v_offset")
86 v_offset = p_value;
87 else if (p_name == "current") {
88 if (p_value.operator bool()) {
89 make_current();
90 } else {
91 clear_current();
92 }
93 } else if (p_name == "visible_layers") {
94 set_visible_layers(p_value);
95 } else if (p_name == "environment") {
96 set_environment(p_value);
97 } else
98 return false;
99
100 _update_camera_mode();
101 if (changed_all)
102 _change_notify();
103 return true;
104 }
_get(const StringName & p_name,Variant & r_ret) const105 bool Camera::_get(const StringName &p_name, Variant &r_ret) const {
106
107 if (p_name == "projection") {
108 r_ret = mode;
109 } else if (p_name == "fov" || p_name == "fovy" || p_name == "fovx")
110 r_ret = fov;
111 else if (p_name == "size" || p_name == "sizex" || p_name == "sizey")
112 r_ret = size;
113 else if (p_name == "near")
114 r_ret = near;
115 else if (p_name == "far")
116 r_ret = far;
117 else if (p_name == "keep_aspect")
118 r_ret = int(keep_aspect);
119 else if (p_name == "current") {
120
121 if (is_inside_tree() && get_tree()->is_node_being_edited(this)) {
122 r_ret = current;
123 } else {
124 r_ret = is_current();
125 }
126 } else if (p_name == "visible_layers") {
127 r_ret = get_visible_layers();
128 } else if (p_name == "h_offset") {
129 r_ret = get_h_offset();
130 } else if (p_name == "v_offset") {
131 r_ret = get_v_offset();
132 } else if (p_name == "environment") {
133 r_ret = get_environment();
134 } else
135 return false;
136
137 return true;
138 }
139
_get_property_list(List<PropertyInfo> * p_list) const140 void Camera::_get_property_list(List<PropertyInfo> *p_list) const {
141
142 p_list->push_back(PropertyInfo(Variant::INT, "projection", PROPERTY_HINT_ENUM, "Perspective,Orthogonal"));
143
144 switch (mode) {
145
146 case PROJECTION_PERSPECTIVE: {
147
148 p_list->push_back(PropertyInfo(Variant::REAL, "fov", PROPERTY_HINT_RANGE, "1,179,0.1", PROPERTY_USAGE_NOEDITOR));
149 if (keep_aspect == KEEP_WIDTH)
150 p_list->push_back(PropertyInfo(Variant::REAL, "fovx", PROPERTY_HINT_RANGE, "1,179,0.1", PROPERTY_USAGE_EDITOR));
151 else
152 p_list->push_back(PropertyInfo(Variant::REAL, "fovy", PROPERTY_HINT_RANGE, "1,179,0.1", PROPERTY_USAGE_EDITOR));
153
154 } break;
155 case PROJECTION_ORTHOGONAL: {
156
157 p_list->push_back(PropertyInfo(Variant::REAL, "size", PROPERTY_HINT_RANGE, "1,16384,0.01", PROPERTY_USAGE_NOEDITOR));
158 if (keep_aspect == KEEP_WIDTH)
159 p_list->push_back(PropertyInfo(Variant::REAL, "sizex", PROPERTY_HINT_RANGE, "0.1,16384,0.01", PROPERTY_USAGE_EDITOR));
160 else
161 p_list->push_back(PropertyInfo(Variant::REAL, "sizey", PROPERTY_HINT_RANGE, "0.1,16384,0.01", PROPERTY_USAGE_EDITOR));
162
163 } break;
164 }
165
166 p_list->push_back(PropertyInfo(Variant::REAL, "near", PROPERTY_HINT_EXP_RANGE, "0.01,4096.0,0.01"));
167 p_list->push_back(PropertyInfo(Variant::REAL, "far", PROPERTY_HINT_EXP_RANGE, "0.01,4096.0,0.01"));
168 p_list->push_back(PropertyInfo(Variant::INT, "keep_aspect", PROPERTY_HINT_ENUM, "Keep Width,Keep Height"));
169 p_list->push_back(PropertyInfo(Variant::BOOL, "current"));
170 p_list->push_back(PropertyInfo(Variant::INT, "visible_layers", PROPERTY_HINT_ALL_FLAGS));
171 p_list->push_back(PropertyInfo(Variant::OBJECT, "environment", PROPERTY_HINT_RESOURCE_TYPE, "Environment"));
172 p_list->push_back(PropertyInfo(Variant::REAL, "h_offset"));
173 p_list->push_back(PropertyInfo(Variant::REAL, "v_offset"));
174 }
175
_update_camera()176 void Camera::_update_camera() {
177
178 Transform tr = get_camera_transform();
179 tr.origin += tr.basis.get_axis(1) * v_offset;
180 tr.origin += tr.basis.get_axis(0) * h_offset;
181 VisualServer::get_singleton()->camera_set_transform(camera, tr);
182
183 // here goes listener stuff
184 // if (viewport_ptr && is_inside_scene() && is_current())
185 // get_viewport()->_camera_transform_changed_notify();
186
187 if (is_inside_tree() && is_current()) {
188 get_viewport()->_camera_transform_changed_notify();
189 }
190
191 if (is_current() && get_world().is_valid()) {
192 get_world()->_update_camera(this);
193 }
194 }
195
_notification(int p_what)196 void Camera::_notification(int p_what) {
197
198 switch (p_what) {
199
200 case NOTIFICATION_ENTER_WORLD: {
201
202 bool first_camera = get_viewport()->_camera_add(this);
203 if (!get_tree()->is_node_being_edited(this) && (current || first_camera))
204 make_current();
205
206 } break;
207 case NOTIFICATION_TRANSFORM_CHANGED: {
208
209 _request_camera_update();
210 } break;
211 case NOTIFICATION_EXIT_WORLD: {
212
213 if (!get_tree()->is_node_being_edited(this)) {
214 if (is_current()) {
215 clear_current();
216 current = true; //keep it true
217
218 } else {
219 current = false;
220 }
221 }
222
223 get_viewport()->_camera_remove(this);
224
225 } break;
226 case NOTIFICATION_BECAME_CURRENT: {
227 if (get_world().is_valid()) {
228 get_world()->_register_camera(this);
229 }
230 } break;
231 case NOTIFICATION_LOST_CURRENT: {
232 if (get_world().is_valid()) {
233 get_world()->_remove_camera(this);
234 }
235 } break;
236 }
237 }
238
get_camera_transform() const239 Transform Camera::get_camera_transform() const {
240
241 return get_global_transform().orthonormalized();
242 }
243
set_perspective(float p_fovy_degrees,float p_z_near,float p_z_far)244 void Camera::set_perspective(float p_fovy_degrees, float p_z_near, float p_z_far) {
245
246 if (!force_change && fov == p_fovy_degrees && p_z_near == near && p_z_far == far && mode == PROJECTION_PERSPECTIVE)
247 return;
248
249 fov = p_fovy_degrees;
250 near = p_z_near;
251 far = p_z_far;
252 mode = PROJECTION_PERSPECTIVE;
253
254 VisualServer::get_singleton()->camera_set_perspective(camera, fov, near, far);
255 update_gizmo();
256 force_change = false;
257 }
set_orthogonal(float p_size,float p_z_near,float p_z_far)258 void Camera::set_orthogonal(float p_size, float p_z_near, float p_z_far) {
259
260 if (!force_change && size == p_size && p_z_near == near && p_z_far == far && mode == PROJECTION_ORTHOGONAL)
261 return;
262
263 size = p_size;
264
265 near = p_z_near;
266 far = p_z_far;
267 mode = PROJECTION_ORTHOGONAL;
268 force_change = false;
269
270 VisualServer::get_singleton()->camera_set_orthogonal(camera, size, near, far);
271 update_gizmo();
272 }
273
get_camera() const274 RID Camera::get_camera() const {
275
276 return camera;
277 };
278
make_current()279 void Camera::make_current() {
280
281 current = true;
282
283 if (!is_inside_tree())
284 return;
285
286 get_viewport()->_camera_set(this);
287
288 //get_scene()->call_group(SceneMainLoop::GROUP_CALL_REALTIME,camera_group,"_camera_make_current",this);
289 }
290
clear_current()291 void Camera::clear_current() {
292
293 current = false;
294 if (!is_inside_tree())
295 return;
296
297 if (get_viewport()->get_camera() == this) {
298 get_viewport()->_camera_set(NULL);
299 get_viewport()->_camera_make_next_current(this);
300 }
301 }
302
is_current() const303 bool Camera::is_current() const {
304
305 if (is_inside_tree() && !get_tree()->is_node_being_edited(this)) {
306
307 return get_viewport()->get_camera() == this;
308 } else
309 return current;
310
311 return false;
312 }
313
_can_gizmo_scale() const314 bool Camera::_can_gizmo_scale() const {
315
316 return false;
317 }
318
_get_gizmo_geometry() const319 RES Camera::_get_gizmo_geometry() const {
320
321 Ref<SurfaceTool> surface_tool(memnew(SurfaceTool));
322
323 Ref<FixedMaterial> mat(memnew(FixedMaterial));
324
325 mat->set_parameter(FixedMaterial::PARAM_DIFFUSE, Color(1.0, 0.5, 1.0, 0.5));
326 mat->set_line_width(4);
327 mat->set_flag(Material::FLAG_DOUBLE_SIDED, true);
328 mat->set_flag(Material::FLAG_UNSHADED, true);
329 //mat->set_hint(Material::HINT_NO_DEPTH_DRAW,true);
330
331 surface_tool->begin(Mesh::PRIMITIVE_LINES);
332 surface_tool->set_material(mat);
333
334 switch (mode) {
335
336 case PROJECTION_PERSPECTIVE: {
337
338 Vector3 side = Vector3(Math::sin(Math::deg2rad(fov)), 0, -Math::cos(Math::deg2rad(fov)));
339 Vector3 nside = side;
340 nside.x = -nside.x;
341 Vector3 up = Vector3(0, side.x, 0);
342
343 #define ADD_TRIANGLE(m_a, m_b, m_c) \
344 { \
345 surface_tool->add_vertex(m_a); \
346 surface_tool->add_vertex(m_b); \
347 surface_tool->add_vertex(m_b); \
348 surface_tool->add_vertex(m_c); \
349 surface_tool->add_vertex(m_c); \
350 surface_tool->add_vertex(m_a); \
351 }
352
353 ADD_TRIANGLE(Vector3(), side + up, side - up);
354 ADD_TRIANGLE(Vector3(), nside + up, nside - up);
355 ADD_TRIANGLE(Vector3(), side + up, nside + up);
356 ADD_TRIANGLE(Vector3(), side - up, nside - up);
357
358 side.x *= 0.25;
359 nside.x *= 0.25;
360 Vector3 tup(0, up.y * 3 / 2, side.z);
361 ADD_TRIANGLE(tup, side + up, nside + up);
362
363 } break;
364 case PROJECTION_ORTHOGONAL: {
365
366 #define ADD_QUAD(m_a, m_b, m_c, m_d) \
367 { \
368 surface_tool->add_vertex(m_a); \
369 surface_tool->add_vertex(m_b); \
370 surface_tool->add_vertex(m_b); \
371 surface_tool->add_vertex(m_c); \
372 surface_tool->add_vertex(m_c); \
373 surface_tool->add_vertex(m_d); \
374 surface_tool->add_vertex(m_d); \
375 surface_tool->add_vertex(m_a); \
376 }
377
378 float hsize = size * 0.5;
379 Vector3 right(hsize, 0, 0);
380 Vector3 up(0, hsize, 0);
381 Vector3 back(0, 0, -1.0);
382 Vector3 front(0, 0, 0);
383
384 ADD_QUAD(-up - right, -up + right, up + right, up - right);
385 ADD_QUAD(-up - right + back, -up + right + back, up + right + back, up - right + back);
386 ADD_QUAD(up + right, up + right + back, up - right + back, up - right);
387 ADD_QUAD(-up + right, -up + right + back, -up - right + back, -up - right);
388
389 right.x *= 0.25;
390 Vector3 tup(0, up.y * 3 / 2, back.z);
391 ADD_TRIANGLE(tup, right + up + back, -right + up + back);
392
393 } break;
394 }
395
396 return surface_tool->commit();
397 }
398
project_ray_normal(const Point2 & p_pos) const399 Vector3 Camera::project_ray_normal(const Point2 &p_pos) const {
400
401 Vector3 ray = project_local_ray_normal(p_pos);
402 return get_camera_transform().basis.xform(ray).normalized();
403 };
404
project_local_ray_normal(const Point2 & p_pos) const405 Vector3 Camera::project_local_ray_normal(const Point2 &p_pos) const {
406
407 if (!is_inside_tree()) {
408 ERR_EXPLAIN("Camera is not inside scene.");
409 ERR_FAIL_COND_V(!is_inside_tree(), Vector3());
410 }
411
412 #if 0
413 Size2 viewport_size = get_viewport()->get_visible_rect().size;
414 Vector2 cpos = p_pos;
415 #else
416
417 Size2 viewport_size = get_viewport()->get_camera_rect_size();
418 Vector2 cpos = get_viewport()->get_camera_coords(p_pos);
419 #endif
420
421 Vector3 ray;
422
423 if (mode == PROJECTION_ORTHOGONAL) {
424
425 ray = Vector3(0, 0, -1);
426 } else {
427 CameraMatrix cm;
428 cm.set_perspective(fov, viewport_size.get_aspect(), near, far, keep_aspect == KEEP_WIDTH);
429 float screen_w, screen_h;
430 cm.get_viewport_size(screen_w, screen_h);
431 ray = Vector3(((cpos.x / viewport_size.width) * 2.0 - 1.0) * screen_w, ((1.0 - (cpos.y / viewport_size.height)) * 2.0 - 1.0) * screen_h, -near).normalized();
432 }
433
434 return ray;
435 };
436
project_ray_origin(const Point2 & p_pos) const437 Vector3 Camera::project_ray_origin(const Point2 &p_pos) const {
438
439 if (!is_inside_tree()) {
440 ERR_EXPLAIN("Camera is not inside scene.");
441 ERR_FAIL_COND_V(!is_inside_tree(), Vector3());
442 }
443
444 #if 0
445 Size2 viewport_size = get_viewport()->get_visible_rect().size;
446 Vector2 cpos = p_pos;
447 #else
448
449 Size2 viewport_size = get_viewport()->get_camera_rect_size();
450 Vector2 cpos = get_viewport()->get_camera_coords(p_pos);
451 #endif
452
453 ERR_FAIL_COND_V(viewport_size.y == 0, Vector3());
454 // float aspect = viewport_size.x / viewport_size.y;
455
456 if (mode == PROJECTION_PERSPECTIVE) {
457
458 return get_camera_transform().origin;
459 } else {
460
461 Vector2 pos = cpos / viewport_size;
462 float vsize, hsize;
463 if (keep_aspect == KEEP_WIDTH) {
464 vsize = size / viewport_size.get_aspect();
465 hsize = size;
466 } else {
467 hsize = size * viewport_size.get_aspect();
468 vsize = size;
469 }
470
471 Vector3 ray;
472 ray.x = pos.x * (hsize)-hsize / 2;
473 ray.y = (1.0 - pos.y) * (vsize)-vsize / 2;
474 ray.z = -near;
475 ray = get_camera_transform().xform(ray);
476 return ray;
477 };
478 };
479
is_position_behind(const Vector3 & p_pos) const480 bool Camera::is_position_behind(const Vector3 &p_pos) const {
481
482 Transform t = get_global_transform();
483 Vector3 eyedir = -get_global_transform().basis.get_axis(2).normalized();
484 return eyedir.dot(p_pos) < (eyedir.dot(t.origin) + near);
485 }
486
unproject_position(const Vector3 & p_pos) const487 Point2 Camera::unproject_position(const Vector3 &p_pos) const {
488
489 if (!is_inside_tree()) {
490 ERR_EXPLAIN("Camera is not inside scene.");
491 ERR_FAIL_COND_V(!is_inside_tree(), Vector2());
492 }
493
494 Size2 viewport_size = get_viewport()->get_visible_rect().size;
495
496 CameraMatrix cm;
497
498 if (mode == PROJECTION_ORTHOGONAL)
499 cm.set_orthogonal(size, viewport_size.get_aspect(), near, far, keep_aspect == KEEP_WIDTH);
500 else
501 cm.set_perspective(fov, viewport_size.get_aspect(), near, far, keep_aspect == KEEP_WIDTH);
502
503 Plane p(get_camera_transform().xform_inv(p_pos), 1.0);
504
505 p = cm.xform4(p);
506 p.normal /= p.d;
507
508 Point2 res;
509 res.x = (p.normal.x * 0.5 + 0.5) * viewport_size.x;
510 res.y = (-p.normal.y * 0.5 + 0.5) * viewport_size.y;
511
512 return res;
513 }
514
project_position(const Point2 & p_point) const515 Vector3 Camera::project_position(const Point2 &p_point) const {
516
517 if (!is_inside_tree()) {
518 ERR_EXPLAIN("Camera is not inside scene.");
519 ERR_FAIL_COND_V(!is_inside_tree(), Vector3());
520 }
521
522 Size2 viewport_size = get_viewport()->get_visible_rect().size;
523
524 CameraMatrix cm;
525
526 if (mode == PROJECTION_ORTHOGONAL)
527 cm.set_orthogonal(size, viewport_size.get_aspect(), near, far, keep_aspect == KEEP_WIDTH);
528 else
529 cm.set_perspective(fov, viewport_size.get_aspect(), near, far, keep_aspect == KEEP_WIDTH);
530
531 Size2 vp_size;
532 cm.get_viewport_size(vp_size.x, vp_size.y);
533
534 Vector2 point;
535 point.x = (p_point.x / viewport_size.x) * 2.0 - 1.0;
536 point.y = (1.0 - (p_point.y / viewport_size.y)) * 2.0 - 1.0;
537 point *= vp_size;
538
539 Vector3 p(point.x, point.y, -near);
540
541 return get_camera_transform().xform(p);
542 }
543
544 /*
545 void Camera::_camera_make_current(Node *p_camera) {
546
547
548 if (p_camera==this) {
549 VisualServer::get_singleton()->viewport_attach_camera(viewport_id,camera);
550 active=true;
551 } else {
552 if (active && p_camera==NULL) {
553 //detech camera because no one else will claim it
554 VisualServer::get_singleton()->viewport_attach_camera(viewport_id,RID());
555 }
556 active=false;
557 }
558 }
559 */
560
set_environment(const Ref<Environment> & p_environment)561 void Camera::set_environment(const Ref<Environment> &p_environment) {
562
563 environment = p_environment;
564 if (environment.is_valid())
565 VS::get_singleton()->camera_set_environment(camera, environment->get_rid());
566 else
567 VS::get_singleton()->camera_set_environment(camera, RID());
568 }
569
get_environment() const570 Ref<Environment> Camera::get_environment() const {
571
572 return environment;
573 }
574
set_keep_aspect_mode(KeepAspect p_aspect)575 void Camera::set_keep_aspect_mode(KeepAspect p_aspect) {
576
577 keep_aspect = p_aspect;
578 VisualServer::get_singleton()->camera_set_use_vertical_aspect(camera, p_aspect == KEEP_WIDTH);
579
580 _change_notify();
581 }
582
get_keep_aspect_mode() const583 Camera::KeepAspect Camera::get_keep_aspect_mode() const {
584
585 return keep_aspect;
586 }
587
_bind_methods()588 void Camera::_bind_methods() {
589
590 ObjectTypeDB::bind_method(_MD("project_ray_normal", "screen_point"), &Camera::project_ray_normal);
591 ObjectTypeDB::bind_method(_MD("project_local_ray_normal", "screen_point"), &Camera::project_local_ray_normal);
592 ObjectTypeDB::bind_method(_MD("project_ray_origin", "screen_point"), &Camera::project_ray_origin);
593 ObjectTypeDB::bind_method(_MD("unproject_position", "world_point"), &Camera::unproject_position);
594 ObjectTypeDB::bind_method(_MD("is_position_behind", "world_point"), &Camera::is_position_behind);
595 ObjectTypeDB::bind_method(_MD("project_position", "screen_point"), &Camera::project_position);
596 ObjectTypeDB::bind_method(_MD("set_perspective", "fov", "z_near", "z_far"), &Camera::set_perspective);
597 ObjectTypeDB::bind_method(_MD("set_orthogonal", "size", "z_near", "z_far"), &Camera::set_orthogonal);
598 ObjectTypeDB::bind_method(_MD("make_current"), &Camera::make_current);
599 ObjectTypeDB::bind_method(_MD("clear_current"), &Camera::clear_current);
600 ObjectTypeDB::bind_method(_MD("is_current"), &Camera::is_current);
601 ObjectTypeDB::bind_method(_MD("get_camera_transform"), &Camera::get_camera_transform);
602 ObjectTypeDB::bind_method(_MD("get_fov"), &Camera::get_fov);
603 ObjectTypeDB::bind_method(_MD("get_size"), &Camera::get_size);
604 ObjectTypeDB::bind_method(_MD("get_zfar"), &Camera::get_zfar);
605 ObjectTypeDB::bind_method(_MD("get_znear"), &Camera::get_znear);
606 ObjectTypeDB::bind_method(_MD("get_projection"), &Camera::get_projection);
607 ObjectTypeDB::bind_method(_MD("set_h_offset", "ofs"), &Camera::set_h_offset);
608 ObjectTypeDB::bind_method(_MD("get_h_offset"), &Camera::get_h_offset);
609 ObjectTypeDB::bind_method(_MD("set_v_offset", "ofs"), &Camera::set_v_offset);
610 ObjectTypeDB::bind_method(_MD("get_v_offset"), &Camera::get_v_offset);
611 ObjectTypeDB::bind_method(_MD("set_visible_layers", "mask"), &Camera::set_visible_layers);
612 ObjectTypeDB::bind_method(_MD("get_visible_layers"), &Camera::get_visible_layers);
613 ObjectTypeDB::bind_method(_MD("set_environment", "env:Environment"), &Camera::set_environment);
614 ObjectTypeDB::bind_method(_MD("get_environment:Environment"), &Camera::get_environment);
615 ObjectTypeDB::bind_method(_MD("set_keep_aspect_mode", "mode"), &Camera::set_keep_aspect_mode);
616 ObjectTypeDB::bind_method(_MD("get_keep_aspect_mode"), &Camera::get_keep_aspect_mode);
617 //ObjectTypeDB::bind_method( _MD("_camera_make_current"),&Camera::_camera_make_current );
618
619 BIND_CONSTANT(PROJECTION_PERSPECTIVE);
620 BIND_CONSTANT(PROJECTION_ORTHOGONAL);
621
622 BIND_CONSTANT(KEEP_WIDTH);
623 BIND_CONSTANT(KEEP_HEIGHT);
624 }
625
get_fov() const626 float Camera::get_fov() const {
627
628 return fov;
629 }
630
get_size() const631 float Camera::get_size() const {
632
633 return size;
634 }
635
get_znear() const636 float Camera::get_znear() const {
637
638 return near;
639 }
640
get_zfar() const641 float Camera::get_zfar() const {
642
643 return far;
644 }
645
get_projection() const646 Camera::Projection Camera::get_projection() const {
647
648 return mode;
649 }
650
set_visible_layers(uint32_t p_layers)651 void Camera::set_visible_layers(uint32_t p_layers) {
652
653 layers = p_layers;
654 VisualServer::get_singleton()->camera_set_visible_layers(camera, layers);
655 }
656
get_visible_layers() const657 uint32_t Camera::get_visible_layers() const {
658
659 return layers;
660 }
661
get_frustum() const662 Vector<Plane> Camera::get_frustum() const {
663
664 ERR_FAIL_COND_V(!is_inside_world(), Vector<Plane>());
665
666 Size2 viewport_size = get_viewport()->get_visible_rect().size;
667 CameraMatrix cm;
668 if (mode == PROJECTION_PERSPECTIVE)
669 cm.set_perspective(fov, viewport_size.get_aspect(), near, far, keep_aspect == KEEP_WIDTH);
670 else
671 cm.set_orthogonal(size, viewport_size.get_aspect(), near, far, keep_aspect == KEEP_WIDTH);
672
673 return cm.get_projection_planes(get_camera_transform());
674 }
675
set_v_offset(float p_offset)676 void Camera::set_v_offset(float p_offset) {
677
678 v_offset = p_offset;
679 _update_camera();
680 }
681
get_v_offset() const682 float Camera::get_v_offset() const {
683
684 return v_offset;
685 }
686
set_h_offset(float p_offset)687 void Camera::set_h_offset(float p_offset) {
688 h_offset = p_offset;
689 _update_camera();
690 }
691
get_h_offset() const692 float Camera::get_h_offset() const {
693
694 return h_offset;
695 }
696
Camera()697 Camera::Camera() {
698
699 camera = VisualServer::get_singleton()->camera_create();
700 size = 1;
701 fov = 0;
702 near = 0;
703 far = 0;
704 current = false;
705 force_change = false;
706 mode = PROJECTION_PERSPECTIVE;
707 set_perspective(65.0, 0.1, 100.0);
708 keep_aspect = KEEP_HEIGHT;
709 layers = 0xfffff;
710 v_offset = 0;
711 h_offset = 0;
712 VisualServer::get_singleton()->camera_set_visible_layers(camera, layers);
713 //active=false;
714 }
715
~Camera()716 Camera::~Camera() {
717
718 VisualServer::get_singleton()->free(camera);
719 }
720