1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
|
/*************************************************************************/
/* ray_cast_2d.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* http://www.godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#include "ray_cast_2d.h"
#include "servers/physics_2d_server.h"
#include "collision_object_2d.h"
void RayCast2D::set_cast_to(const Vector2& p_point) {
cast_to=p_point;
if (is_inside_tree() && get_tree()->is_editor_hint())
update();
}
Vector2 RayCast2D::get_cast_to() const{
return cast_to;
}
void RayCast2D::set_layer_mask(uint32_t p_mask) {
layer_mask=p_mask;
}
uint32_t RayCast2D::get_layer_mask() const {
return layer_mask;
}
bool RayCast2D::is_colliding() const{
return collided;
}
Object *RayCast2D::get_collider() const{
if (against==0)
return NULL;
return ObjectDB::get_instance(against);
}
int RayCast2D::get_collider_shape() const {
return against_shape;
}
Vector2 RayCast2D::get_collision_point() const{
return collision_point;
}
Vector2 RayCast2D::get_collision_normal() const{
return collision_normal;
}
void RayCast2D::set_enabled(bool p_enabled) {
enabled=p_enabled;
if (is_inside_tree() && !get_tree()->is_editor_hint())
set_fixed_process(p_enabled);
if (!p_enabled)
collided=false;
}
bool RayCast2D::is_enabled() const {
return enabled;
}
void RayCast2D::_notification(int p_what) {
switch(p_what) {
case NOTIFICATION_ENTER_TREE: {
if (enabled && !get_tree()->is_editor_hint())
set_fixed_process(true);
else
set_fixed_process(false);
} break;
case NOTIFICATION_EXIT_TREE: {
if (enabled)
set_fixed_process(false);
} break;
#ifdef TOOLS_ENABLED
case NOTIFICATION_DRAW: {
if (!get_tree()->is_editor_hint())
break;
Matrix32 xf;
xf.rotate(cast_to.atan2());
xf.translate(Vector2(0,cast_to.length()));
//Vector2 tip = Vector2(0,s->get_length());
Color dcol(0.9,0.2,0.2,0.4);
draw_line(Vector2(),cast_to,dcol,3);
Vector<Vector2> pts;
float tsize=4;
pts.push_back(xf.xform(Vector2(0,tsize)));
pts.push_back(xf.xform(Vector2(0.707*tsize,0)));
pts.push_back(xf.xform(Vector2(-0.707*tsize,0)));
Vector<Color> cols;
for(int i=0;i<3;i++)
cols.push_back(dcol);
draw_primitive(pts,cols,Vector<Vector2>()); //small arrow
} break;
#endif
case NOTIFICATION_FIXED_PROCESS: {
if (!enabled)
break;
Ref<World2D> w2d = get_world_2d();
ERR_BREAK( w2d.is_null() );
Physics2DDirectSpaceState *dss = Physics2DServer::get_singleton()->space_get_direct_state(w2d->get_space());
ERR_BREAK( !dss );
Matrix32 gt = get_global_transform();
Vector2 to = cast_to;
if (to==Vector2())
to=Vector2(0,0.01);
Physics2DDirectSpaceState::RayResult rr;
if (dss->intersect_ray(gt.get_origin(),gt.xform(to),rr,exclude,layer_mask)) {
collided=true;
against=rr.collider_id;
collision_point=rr.position;
collision_normal=rr.normal;
against_shape=rr.shape;
} else {
collided=false;
}
} break;
}
}
void RayCast2D::add_exception_rid(const RID& p_rid) {
exclude.insert(p_rid);
}
void RayCast2D::add_exception(const Object* p_object){
ERR_FAIL_NULL(p_object);
CollisionObject2D *co=((Object*)p_object)->cast_to<CollisionObject2D>();
if (!co)
return;
add_exception_rid(co->get_rid());
}
void RayCast2D::remove_exception_rid(const RID& p_rid) {
exclude.erase(p_rid);
}
void RayCast2D::remove_exception(const Object* p_object){
ERR_FAIL_NULL(p_object);
CollisionObject2D *co=((Object*)p_object)->cast_to<CollisionObject2D>();
if (!co)
return;
remove_exception_rid(co->get_rid());
}
void RayCast2D::clear_exceptions(){
exclude.clear();
}
void RayCast2D::_bind_methods() {
ObjectTypeDB::bind_method(_MD("set_enabled","enabled"),&RayCast2D::set_enabled);
ObjectTypeDB::bind_method(_MD("is_enabled"),&RayCast2D::is_enabled);
ObjectTypeDB::bind_method(_MD("set_cast_to","local_point"),&RayCast2D::set_cast_to);
ObjectTypeDB::bind_method(_MD("get_cast_to"),&RayCast2D::get_cast_to);
ObjectTypeDB::bind_method(_MD("is_colliding"),&RayCast2D::is_colliding);
ObjectTypeDB::bind_method(_MD("get_collider"),&RayCast2D::get_collider);
ObjectTypeDB::bind_method(_MD("get_collider_shape"),&RayCast2D::get_collider_shape);
ObjectTypeDB::bind_method(_MD("get_collision_point"),&RayCast2D::get_collision_point);
ObjectTypeDB::bind_method(_MD("get_collision_normal"),&RayCast2D::get_collision_normal);
ObjectTypeDB::bind_method(_MD("add_exception_rid","rid"),&RayCast2D::add_exception_rid);
ObjectTypeDB::bind_method(_MD("add_exception","node"),&RayCast2D::add_exception);
ObjectTypeDB::bind_method(_MD("remove_exception_rid","rid"),&RayCast2D::remove_exception_rid);
ObjectTypeDB::bind_method(_MD("remove_exception","node"),&RayCast2D::remove_exception);
ObjectTypeDB::bind_method(_MD("clear_exceptions"),&RayCast2D::clear_exceptions);
ObjectTypeDB::bind_method(_MD("set_layer_mask","mask"),&RayCast2D::set_layer_mask);
ObjectTypeDB::bind_method(_MD("get_layer_mask"),&RayCast2D::get_layer_mask);
ADD_PROPERTY(PropertyInfo(Variant::BOOL,"enabled"),_SCS("set_enabled"),_SCS("is_enabled"));
ADD_PROPERTY(PropertyInfo(Variant::VECTOR2,"cast_to"),_SCS("set_cast_to"),_SCS("get_cast_to"));
ADD_PROPERTY(PropertyInfo(Variant::INT,"layer_mask",PROPERTY_HINT_ALL_FLAGS),_SCS("set_layer_mask"),_SCS("get_layer_mask"));
}
RayCast2D::RayCast2D() {
enabled=false;
against=0;
collided=false;
against_shape=0;
layer_mask=1;
cast_to=Vector2(0,50);
}
|