//Throwing Object
void HelloWorld::shootBoxfunc(const cocos2d::Vec3 &des)
{
//Vec3 linearVel = des -camera->getPosition3D();
//linearVel.normalize();
//linearVel *= 100.0f;
Physics3DRigidBodyDes rbDes;
rbDes.originalTransform.translate(car_cabine->getPosition3D());
rbDes.mass = 1.f;
rbDes.shape = Physics3DShape::createSphere(0.25);
auto sprite = PhysicsSprite3D::create("box.c3t", &rbDes);
sprite->setTexture("Gun.png");
auto rigidBody = static_cast<Physics3DRigidBody*>(sprite->getPhysicsObj());
rigidBody->setLinearFactor(Vec3::ONE);
rigidBody->setLinearVelocity(des*15);
rigidBody->setAngularVelocity(Vec3::ZERO);
rigidBody->setCcdMotionThreshold(0.5f);
rigidBody->setCcdSweptSphereRadius(0.4f);
sprite->setPosition3D(Vec3(car_cabine->getPosition3D().x, car_cabine->getPosition3D().y+4, car_cabine->getPosition3D().z));
sprite->setScale(0.5f);
sprite->syncNodeToPhysics();
sprite->setSyncFlag(Physics3DComponent::PhysicsSyncFlag::PHYSICS_TO_NODE);
sprite->setCameraMask((unsigned short)CameraFlag::USER2);
this->addChild(sprite,1);
}
void Physics3DTestDemo::shootBox( const cocos2d::Vec3 &des )
{
Physics3DRigidBodyDes rbDes;
Vec3 linearVel = des - _camera->getPosition3D();
linearVel.normalize();
linearVel *= 100.0f;
rbDes.originalTransform.translate(_camera->getPosition3D());
rbDes.mass = 1.f;
rbDes.shape = Physics3DShape::createBox(Vec3(0.5f, 0.5f, 0.5f));
auto sprite = PhysicsSprite3D::create("Sprite3DTest/box.c3t", &rbDes);
sprite->setTexture("Images/Icon.png");
auto rigidBody = static_cast<Physics3DRigidBody*>(sprite->getPhysicsObj());
rigidBody->setLinearFactor(Vec3::ONE);
rigidBody->setLinearVelocity(linearVel);
rigidBody->setAngularVelocity(Vec3::ZERO);
rigidBody->setCcdMotionThreshold(0.5f);
rigidBody->setCcdSweptSphereRadius(0.4f);
this->addChild(sprite);
sprite->setPosition3D(_camera->getPosition3D());
sprite->setScale(0.5f);
sprite->syncNodeToPhysics();
//optimize, only sync node to physics
sprite->setSyncFlag(Physics3DComponent::PhysicsSyncFlag::PHYSICS_TO_NODE); //sync node to physics
sprite->setCameraMask((unsigned short)CameraFlag::USER1);
}
PhysicsRigidBody* PhysicsMgr::createRigidBodyMesh(Mesh* mesh, Matrix44* transform)
{
auto rig = new PhysicsRigidBody();
btScalar mass(0.0f);
btTransform startTransform;
btTriangleMesh * meshInterface = new btTriangleMesh();
auto idxSize = mesh->getIndicesSize();
for(auto i =0; i < idxSize; i+=3)
{
auto v1 = mesh->getVertex(i);
auto v2 = mesh->getVertex(i + 1);
auto v3 = mesh->getVertex(i + 2);
meshInterface->addTriangle(btVector3(v1.m_pos.x, v1.m_pos.y, v1.m_pos.z), btVector3(v2.m_pos.x, v2.m_pos.y, v2.m_pos.z), btVector3(v3.m_pos.x, v3.m_pos.y, v3.m_pos.z));
}
auto tetraShape = new btBvhTriangleMeshShape(meshInterface, true, true);
startTransform.setIdentity();
if (transform)
{
startTransform.setFromOpenGLMatrix(transform->data());
}
auto btRig = shared()->createRigidBodyInternal(mass, startTransform, tetraShape, btVector4(1, 0, 0, 1));
btRig->setContactProcessingThreshold(BT_LARGE_FLOAT);
btRig->setFriction (btScalar(0.9));
btRig->setCcdMotionThreshold(.1);
btRig->setCcdSweptSphereRadius(0);
rig->setRigidBody(btRig);
rig->genUserIndex();
btRig->setUserIndex(rig->userIndex());
btRig->setUserPointer(rig);
return rig;
}
bool Physics3DCollider::init(Physics3DColliderDes *info)
{
_physics3DShape = info->shape;
_physics3DShape->retain();
_btGhostObject = new btCollider(this);
_btGhostObject->setCollisionShape(_physics3DShape->getbtShape());
setTrigger(info->isTrigger);
setFriction(info->friction);
setRollingFriction(info->rollingFriction);
setRestitution(info->restitution);
setHitFraction(info->hitFraction);
setCcdSweptSphereRadius(info->ccdSweptSphereRadius);
setCcdMotionThreshold(info->ccdMotionThreshold);
_type = Physics3DObject::PhysicsObjType::COLLIDER;
return true;
}
