diff options
Diffstat (limited to 'scene/3d/ray_cast.cpp')
| -rw-r--r-- | scene/3d/ray_cast.cpp | 190 |
1 files changed, 190 insertions, 0 deletions
diff --git a/scene/3d/ray_cast.cpp b/scene/3d/ray_cast.cpp new file mode 100644 index 0000000000..e36e2da14f --- /dev/null +++ b/scene/3d/ray_cast.cpp @@ -0,0 +1,190 @@ +/*************************************************************************/ +/* ray_cast.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.h" + +#include "servers/physics_server.h" +#include "collision_object.h" +void RayCast::set_cast_to(const Vector3& p_point) { + + cast_to=p_point; + if (is_inside_scene() && get_scene()->is_editor_hint()) + update_gizmo(); + +} + +Vector3 RayCast::get_cast_to() const{ + + return cast_to; +} + +bool RayCast::is_colliding() const{ + + return collided; +} +Object *RayCast::get_collider() const{ + + if (against==0) + return NULL; + + return ObjectDB::get_instance(against); +} + +int RayCast::get_collider_shape() const { + + return against_shape; +} +Vector3 RayCast::get_collision_point() const{ + + return collision_point; +} +Vector3 RayCast::get_collision_normal() const{ + + return collision_normal; +} + + +void RayCast::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 RayCast::is_enabled() const { + + + return enabled; +} + + +void RayCast::_notification(int p_what) { + + switch(p_what) { + + case NOTIFICATION_ENTER_SCENE: { + + if (enabled && !get_scene()->is_editor_hint()) { + set_fixed_process(true); + Node *p = get_parent(); + while( p && p->cast_to<Spatial>() ) { + + CollisionObject *co = p->cast_to<CollisionObject>(); + if (co) { + + exception=co->get_rid(); + exceptions.insert(exception); + } + + p=p->get_parent(); + } + } else + set_fixed_process(false); + + + + } break; + case NOTIFICATION_EXIT_SCENE: { + + if (enabled) { + set_fixed_process(false); + } + + exceptions.erase(exception); + + } break; + case NOTIFICATION_FIXED_PROCESS: { + + if (!enabled) + break; + + + + Ref<World> w3d = get_world(); + ERR_BREAK( w3d.is_null() ); + + PhysicsDirectSpaceState *dss = PhysicsServer::get_singleton()->space_get_direct_state(w3d->get_space()); + ERR_BREAK( !dss ); + + Transform gt = get_global_transform(); + + Vector3 to = cast_to; + if (to==Vector3()) + to=Vector3(0,0.01,0); + + PhysicsDirectSpaceState::RayResult rr; + + if (dss->intersect_ray(gt.get_origin(),gt.xform(to),rr,exceptions)) { + + collided=true; + against=rr.collider_id; + collision_point=rr.position; + collision_normal=rr.normal; + against_shape=rr.shape; + } else { + collided=false; + } + + + + } break; + } +} + +void RayCast::_bind_methods() { + + + ObjectTypeDB::bind_method(_MD("set_enabled","enabled"),&RayCast::set_enabled); + ObjectTypeDB::bind_method(_MD("is_enabled"),&RayCast::is_enabled); + + ObjectTypeDB::bind_method(_MD("set_cast_to","local_point"),&RayCast::set_cast_to); + ObjectTypeDB::bind_method(_MD("get_cast_to"),&RayCast::get_cast_to); + + ObjectTypeDB::bind_method(_MD("is_colliding"),&RayCast::is_colliding); + + ObjectTypeDB::bind_method(_MD("get_collider"),&RayCast::get_collider); + ObjectTypeDB::bind_method(_MD("get_collider_shape"),&RayCast::get_collider_shape); + ObjectTypeDB::bind_method(_MD("get_collision_point"),&RayCast::get_collision_point); + ObjectTypeDB::bind_method(_MD("get_collision_normal"),&RayCast::get_collision_normal); + + ADD_PROPERTY(PropertyInfo(Variant::BOOL,"enabled"),_SCS("set_enabled"),_SCS("is_enabled")); + ADD_PROPERTY(PropertyInfo(Variant::VECTOR3,"cast_to"),_SCS("set_cast_to"),_SCS("get_cast_to")); +} + +RayCast::RayCast() { + + enabled=false; + against=0; + collided=false; + against_shape=0; + cast_to=Vector3(0,-1,0); +} |