/*************************************************************************/ /* ray_cast_2d.cpp */ /*************************************************************************/ /* This file is part of: */ /* GODOT ENGINE */ /* http://www.godotengine.org */ /*************************************************************************/ /* Copyright (c) 2007-2015 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; case NOTIFICATION_DRAW: { if (!get_tree()->is_editor_hint() && !get_tree()->is_debugging_collisions_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=get_tree()->get_debug_collisions_color();//0.9,0.2,0.2,0.4); draw_line(Vector2(),cast_to,dcol,3); Vector 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 cols; for(int i=0;i<3;i++) cols.push_back(dcol); draw_primitive(pts,cols,Vector()); //small arrow } break; case NOTIFICATION_FIXED_PROCESS: { if (!enabled) break; Ref 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(); 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(); 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); }