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Diffstat (limited to 'modules/ik/ik.cpp')
-rw-r--r-- | modules/ik/ik.cpp | 326 |
1 files changed, 0 insertions, 326 deletions
diff --git a/modules/ik/ik.cpp b/modules/ik/ik.cpp deleted file mode 100644 index 35b3ba7e83..0000000000 --- a/modules/ik/ik.cpp +++ /dev/null @@ -1,326 +0,0 @@ -/*************************************************************************/ -/* ik.cpp */ -/* Copyright (c) 2016 Sergey Lapin <slapinid@gmail.com> */ -/*************************************************************************/ -/* This file is part of: */ -/* GODOT ENGINE */ -/* http://www.godotengine.org */ -/*************************************************************************/ -/* Copyright (c) 2007-2016 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 "ik.h" - -bool InverseKinematics::_get(const StringName& p_name,Variant &r_ret) const -{ - - if (String(p_name)=="ik_bone") { - - r_ret=get_bone_name(); - return true; - } - - return false; -} - -bool InverseKinematics::_set(const StringName& p_name, const Variant& p_value) -{ - - if (String(p_name)=="ik_bone") { - - set_bone_name(p_value); - changed = true; - return true; - } - - return false; -} - -void InverseKinematics::_get_property_list( List<PropertyInfo>* p_list ) const -{ - - Skeleton *parent=NULL; - if(get_parent()) - parent=get_parent()->cast_to<Skeleton>(); - - if (parent) { - - String names; - for(int i=0;i<parent->get_bone_count();i++) { - if(i>0) - names+=","; - names+=parent->get_bone_name(i); - } - - p_list->push_back(PropertyInfo(Variant::STRING,"ik_bone",PROPERTY_HINT_ENUM,names)); - } else { - - p_list->push_back(PropertyInfo(Variant::STRING,"ik_bone")); - - } - -} - -void InverseKinematics::_check_bind() -{ - - if (get_parent() && get_parent()->cast_to<Skeleton>()) { - Skeleton *sk = get_parent()->cast_to<Skeleton>(); - int idx = sk->find_bone(ik_bone); - if (idx!=-1) { - ik_bone_no = idx; - bound=true; - } - skel = sk; - } -} - -void InverseKinematics::_check_unbind() -{ - - if (bound) { - - if (get_parent() && get_parent()->cast_to<Skeleton>()) { - Skeleton *sk = get_parent()->cast_to<Skeleton>(); - int idx = sk->find_bone(ik_bone); - if (idx!=-1) - ik_bone_no = idx; - else - ik_bone_no = 0; - skel = sk; - - } - bound=false; - } -} - - -void InverseKinematics::set_bone_name(const String& p_name) -{ - - if (is_inside_tree()) - _check_unbind(); - - ik_bone=p_name; - - if (is_inside_tree()) - _check_bind(); - changed = true; -} - -String InverseKinematics::get_bone_name() const -{ - - return ik_bone; -} - -void InverseKinematics::set_iterations(int itn) -{ - - if (is_inside_tree()) - _check_unbind(); - - iterations=itn; - - if (is_inside_tree()) - _check_bind(); - changed = true; -} - -int InverseKinematics::get_iterations() const -{ - - return iterations; -} - -void InverseKinematics::set_chain_size(int cs) -{ - if (is_inside_tree()) - _check_unbind(); - - chain_size=cs; - chain.clear(); - if (bound) - update_parameters(); - - if (is_inside_tree()) - _check_bind(); - changed = true; -} - -int InverseKinematics::get_chain_size() const -{ - - return chain_size; -} - -void InverseKinematics::set_precision(float p) -{ - - if (is_inside_tree()) - _check_unbind(); - - precision=p; - - if (is_inside_tree()) - _check_bind(); - changed = true; -} - -float InverseKinematics::get_precision() const -{ - - return precision; -} - -void InverseKinematics::set_speed(float p) -{ - - if (is_inside_tree()) - _check_unbind(); - - speed=p; - - if (is_inside_tree()) - _check_bind(); - changed = true; -} - -float InverseKinematics::get_speed() const -{ - - return speed; -} - -void InverseKinematics::update_parameters() -{ - tail_bone = -1; - for (int i = 0; i < skel->get_bone_count(); i++) - if (skel->get_bone_parent(i) == ik_bone_no) - tail_bone = i; - int cur_bone = ik_bone_no; - int its = chain_size; - while (its > 0 && cur_bone >= 0) { - chain.push_back(cur_bone); - cur_bone = skel->get_bone_parent(cur_bone); - its--; - } -} - -void InverseKinematics::_notification(int p_what) -{ - - switch(p_what) { - - case NOTIFICATION_ENTER_TREE: { - - _check_bind(); - if (bound) { - update_parameters(); - changed = false; - set_process(true); - } - } break; - case NOTIFICATION_PROCESS: { - - Spatial *sksp = skel->cast_to<Spatial>(); - if (!bound) - break; - if (!sksp) - break; - if (changed) { - update_parameters(); - changed = false; - } - Vector3 to = get_translation(); - for (int hump = 0; hump < iterations; hump++) { - int depth = 0; - float olderr = 1000.0; - float psign = 1.0; - bool reached = false; - - for (List<int>::Element *b = chain.front(); b; b = b->next()) { - int cur_bone = b->get(); - Vector3 d = skel->get_bone_global_pose(tail_bone).origin; - Vector3 rg = to; - float err = d.distance_squared_to(rg); - if (err < precision) { - if (!reached && err < precision) - reached = true; - break; - } else - if (reached) - reached = false; - if (err > olderr) - psign = -psign; - Transform mod = skel->get_bone_global_pose(cur_bone); - Quat q1 = Quat(mod.basis).normalized(); - Transform mod2 = mod.looking_at(to, Vector3(0.0, 1.0, 0.0)); - Quat q2 = Quat(mod2.basis).normalized(); - if (psign < 0.0) - q2 = q2.inverse(); - Quat q = q1.slerp(q2, speed / (1.0 + 500.0 * depth)).normalized(); - Transform fin = Transform(q); - fin.origin = mod.origin; - skel->set_bone_global_pose(cur_bone, fin); - depth++; - } - if (reached) - break; - - } - - } break; - case NOTIFICATION_EXIT_TREE: { - set_process(false); - - _check_unbind(); - } break; - } -} -void InverseKinematics::_bind_methods() { - ObjectTypeDB::bind_method(_MD("set_bone_name","ik_bone"),&InverseKinematics::set_bone_name); - ObjectTypeDB::bind_method(_MD("get_bone_name"),&InverseKinematics::get_bone_name); - ObjectTypeDB::bind_method(_MD("set_iterations","iterations"),&InverseKinematics::set_iterations); - ObjectTypeDB::bind_method(_MD("get_iterations"),&InverseKinematics::get_iterations); - ObjectTypeDB::bind_method(_MD("set_chain_size","chain_size"),&InverseKinematics::set_chain_size); - ObjectTypeDB::bind_method(_MD("get_chain_size"),&InverseKinematics::get_chain_size); - ObjectTypeDB::bind_method(_MD("set_precision","precision"),&InverseKinematics::set_precision); - ObjectTypeDB::bind_method(_MD("get_precision"),&InverseKinematics::get_precision); - ObjectTypeDB::bind_method(_MD("set_speed","speed"),&InverseKinematics::set_speed); - ObjectTypeDB::bind_method(_MD("get_speed"),&InverseKinematics::get_speed); - ADD_PROPERTY(PropertyInfo(Variant::INT, "iterations"), _SCS("set_iterations"), _SCS("get_iterations")); - ADD_PROPERTY(PropertyInfo(Variant::INT, "chain_size"), _SCS("set_chain_size"), _SCS("get_chain_size")); - ADD_PROPERTY(PropertyInfo(Variant::REAL, "precision"), _SCS("set_precision"), _SCS("get_precision")); - ADD_PROPERTY(PropertyInfo(Variant::REAL, "speed"), _SCS("set_speed"), _SCS("get_speed")); -} - -InverseKinematics::InverseKinematics() -{ - bound=false; - chain_size = 2; - iterations = 100; - precision = 0.001; - speed = 0.2; - -} - |