diff options
Diffstat (limited to 'scene/2d/ray_cast_2d.cpp')
| -rw-r--r-- | scene/2d/ray_cast_2d.cpp | 198 |
1 files changed, 198 insertions, 0 deletions
diff --git a/scene/2d/ray_cast_2d.cpp b/scene/2d/ray_cast_2d.cpp new file mode 100644 index 0000000000..a2c57b8ffb --- /dev/null +++ b/scene/2d/ray_cast_2d.cpp @@ -0,0 +1,198 @@ +/*************************************************************************/ +/* 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"
+
+void RayCast2D::set_cast_to(const Vector2& p_point) {
+
+ cast_to=p_point;
+ if (is_inside_scene() && get_scene()->is_editor_hint())
+ update();
+
+}
+
+Vector2 RayCast2D::get_cast_to() const{
+
+ return cast_to;
+}
+
+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_scene() && !get_scene()->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_SCENE: {
+
+ if (enabled && !get_scene()->is_editor_hint())
+ set_fixed_process(true);
+ else
+ set_fixed_process(false);
+
+ } break;
+ case NOTIFICATION_EXIT_SCENE: {
+
+ if (enabled)
+ set_fixed_process(false);
+
+ } break;
+#ifdef TOOLS_ENABLED
+ case NOTIFICATION_DRAW: {
+
+ if (!get_scene()->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)) {
+
+ collided=true;
+ against=rr.collider_id;
+ collision_point=rr.position;
+ collision_normal=rr.normal;
+ against_shape=rr.shape;
+ } else {
+ collided=false;
+ }
+
+
+
+ } break;
+ }
+}
+
+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);
+
+ 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"));
+}
+
+RayCast2D::RayCast2D() {
+
+ enabled=false;
+ against=0;
+ collided=false;
+ against_shape=0;
+ cast_to=Vector2(0,50);
+}
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