void Physics3DConstraintDemo::onTouchesBegan(const std::vector<cocos2d::Touch*>& touches, cocos2d::Event *event)
{
//ray trace
if(_camera)
{
auto touch = touches[0];
auto location = touch->getLocationInView();
Vec3 nearP(location.x, location.y, 0.0f), farP(location.x, location.y, 1.0f);
auto size = Director::getInstance()->getWinSize();
_camera->unproject(size, &nearP, &nearP);
_camera->unproject(size, &farP, &farP);
Physics3DWorld::HitResult result;
bool ret = physicsScene->getPhysics3DWorld()->rayCast(nearP, farP, &result);
if (ret && result.hitObj->getObjType() == Physics3DObject::PhysicsObjType::RIGID_BODY)
{
auto mat = result.hitObj->getWorldTransform().getInversed();
Vec3 position;
mat.transformPoint(result.hitPosition, &position);
_constraint = Physics3DPointToPointConstraint::create(static_cast<Physics3DRigidBody*>(result.hitObj), position);
physicsScene->getPhysics3DWorld()->addPhysics3DConstraint(_constraint, true);
_pickingDistance = (result.hitPosition - nearP).length();
return;
}
}
Physics3DTestDemo::onTouchesBegan(touches, event);
_needShootBox = false;
}
void MainLayer::onSingleClick()
{
log("on single click");
Global *global = Global::getInstance();
Vec3 nearP(_singleClickLocation.x, _singleClickLocation.y, 0.0f);
Vec3 farP(_singleClickLocation.x, _singleClickLocation.y, 1.0f);
auto size = Director::getInstance()->getWinSize();
global->_camera->unproject(size, &nearP, &nearP);
global->_camera->unproject(size, &farP, &farP);
Physics3DWorld::HitResult result;
global->_physics3DWorld->rayCast(nearP, farP, &result);
global->_playerObj->moveAgent(result.hitPosition);
}
void Physics3DTestDemo::onTouchesEnded(const std::vector<Touch*>& touches, cocos2d::Event *event)
{
if (!_needShootBox) return;
if (!touches.empty())
{
auto location = touches[0]->getLocationInView();
Vec3 nearP(location.x, location.y, -1.0f), farP(location.x, location.y, 1.0f);
nearP = _camera->unproject(nearP);
farP = _camera->unproject(farP);
Vec3 dir(farP - nearP);
shootBox(_camera->getPosition3D() + dir * 10.0f);
}
}
void Physics3DConstraintDemo::onTouchesMoved(const std::vector<cocos2d::Touch*>& touches, cocos2d::Event *event)
{
if (_constraint)
{
auto p2pConstraint = ((Physics3DPointToPointConstraint*)_constraint);
auto touch = touches[0];
auto location = touch->getLocationInView();
Vec3 nearP(location.x, location.y, 0.0f), farP(location.x, location.y, 1.0f);
auto size = Director::getInstance()->getWinSize();
_camera->unproject(size, &nearP, &nearP);
_camera->unproject(size, &farP, &farP);
auto dir = (farP - nearP).getNormalized();
p2pConstraint->setPivotPointInB(nearP + dir * _pickingDistance);
return;
}
Physics3DTestDemo::onTouchesMoved(touches, event);
}
void ABBTest::onTouchesBegan(const std::vector<Touch*>& touches, Event* event)
{
for (auto touch: touches)
{
auto location = touch->getLocationInView();
Vec3 nearP(location.x, location.y, -1.0f), farP(location.x, location.y, 1.0f);
auto size = Director::getInstance()->getWinSize();
_camera->unproject(size, &nearP, &nearP);
_camera->unproject(size, &farP, &farP);
Vec3 dir(farP - nearP);
dir.normalize();
Ray ray(_camera->getPosition3D(), dir);
if(ray.intersects(_aabb))
{
_pick = true;
return;
}
}
_pick = false;
}
void Camera3DTestDemo::onTouchesEnded(const std::vector<Touch*>& touches, cocos2d::Event *event)
{
for ( auto &item: touches )
{
auto touch = item;
auto location = touch->getLocationInView();
if(_camera)
{
if(_sprite3D && _cameraType==CameraType::ThirdPerson && _bZoomOut == false && _bZoomIn == false && _bRotateLeft == false && _bRotateRight == false)
{
Vec3 nearP(location.x, location.y, -1.0f), farP(location.x, location.y, 1.0f);
auto size = Director::getInstance()->getWinSize();
nearP = _camera->unproject(nearP);
farP = _camera->unproject(farP);
Vec3 dir(farP - nearP);
float dist=0.0f;
float ndd = Vec3::dot(Vec3(0,1,0),dir);
if(ndd == 0)
dist=0.0f;
float ndo = Vec3::dot(Vec3(0,1,0),nearP);
dist= (0 - ndo) / ndd;
Vec3 p = nearP + dist * dir;
if( p.x > 100)
p.x = 100;
if( p.x < -100)
p.x = -100;
if( p.z > 100)
p.z = 100;
if( p.z < -100)
p.z = -100;
_targetPos=p;
}
}
}
}
bool HelloWorld::isTouchElement( Touch *touch )
{
#if 0
_drawNode->clear();
#endif
std::vector<std::pair<int, Sprite3D *>> sortedElements;
for (int i = 0; i < MAX_CAPACITY_NUM; ++i)
{
if (_elements[i])
{
Vec3 posInView;
_camera->getViewMatrix().transformPoint(_elements[i]->getPosition3D(), &posInView);
_elements[i]->setGlobalZOrder(-posInView.z);
sortedElements.push_back(std::pair<int, Sprite3D *>(i, _elements[i]));
}
}
std::sort(sortedElements.begin(), sortedElements.end(), [](std::pair<int, Sprite3D *> left, std::pair<int, Sprite3D *> right){
return left.second->getGlobalZOrder() < right.second->getGlobalZOrder();
});
bool isTouch = false;
for (auto iter : sortedElements)
{
#if 0
const AABB °aabb = iter.second->getAABB();
Vec3 degcorners[8];
degaabb.getCorners(degcorners);
_drawNode->drawCube(degcorners, Color4F(0.0f, 1.0f, 0.0f, 1.0f));
#endif
auto location = touch->getLocationInView();
Vec3 nearP(location.x, location.y, -1.0f), farP(location.x, location.y, 1.0f);
auto size = Director::getInstance()->getWinSize();
_camera->unproject(size, &nearP, &nearP);
_camera->unproject(size, &farP, &farP);
auto ray = Ray(nearP, (farP - nearP).getNormalized());
const AABB &aabb = iter.second->getAABB();
if (ray.intersects(aabb))
{
if (iter.first != _touchElements[0])
{
_elements[iter.first]->setColor(Color3B(255, 0, 0));
_touchElements[0] == TOUCH_NONE? _touchElements[0] = iter.first: _touchElements[1] = iter.first;
isTouch = true;
}
break;
}
}
if (_touchElements[0] != TOUCH_NONE && _touchElements[1] != TOUCH_NONE)
{
if (checkNeedEliminate())
{
_elements[_touchElements[0]]->getParent()->removeChild(_elements[_touchElements[0]]);
_elements[_touchElements[1]]->getParent()->removeChild(_elements[_touchElements[1]]);
_elements[_touchElements[0]] = _elements[_touchElements[1]] = nullptr;
//_drawNode->clear();
}
else
{
_elements[_touchElements[0]]->setColor(Color3B(255, 255, 255));
_elements[_touchElements[1]]->setColor(Color3B(255, 255, 255));
}
_touchElements[0] = _touchElements[1] = TOUCH_NONE;
}
return isTouch;
}
