void PhysicsBody::setResting(bool rest) const
{
if (rest && !isResting())
{
cpBodySleep(_info->getBody());
}else if(!rest && isResting())
{
cpBodyActivate(_info->getBody());
}
}
void PhysicsBody::update(float delta)
{
if (_node != nullptr)
{
for (auto shape : _shapes)
{
shape->update(delta);
}
Node* parent = _node->getParent();
Node* scene = &_world->getScene();
Vec2 position = parent != scene ? parent->convertToNodeSpace(scene->convertToWorldSpace(getPosition())) : getPosition();
float rotation = getRotation();
for (; parent != scene; parent = parent->getParent())
{
rotation -= parent->getRotation();
}
_positionResetTag = true;
_rotationResetTag = true;
_node->setPosition(position);
_node->setRotation(rotation);
_positionResetTag = false;
_rotationResetTag = false;
// damping compute
if (_isDamping && _dynamic && !isResting())
{
_info->getBody()->v.x *= cpfclamp(1.0f - delta * _linearDamping, 0.0f, 1.0f);
_info->getBody()->v.y *= cpfclamp(1.0f - delta * _linearDamping, 0.0f, 1.0f);
_info->getBody()->w *= cpfclamp(1.0f - delta * _angularDamping, 0.0f, 1.0f);
}
}
}
void PhysicsBody::update(float delta)
{
// damping compute
if (_isDamping && _dynamic && !isResting())
{
_cpBody->v.x *= cpfclamp(1.0f - delta * _linearDamping, 0.0f, 1.0f);
_cpBody->v.y *= cpfclamp(1.0f - delta * _linearDamping, 0.0f, 1.0f);
_cpBody->w *= cpfclamp(1.0f - delta * _angularDamping, 0.0f, 1.0f);
}
}
void PhysicsBody::update(float delta)
{
if (_node != nullptr)
{
Node* parent = _node->getParent();
Point position = parent != nullptr ? parent->convertToNodeSpace(getPosition()) : getPosition();
_positionResetTag = true;
_rotationResetTag = true;
_node->setPosition(position);
_node->setRotation(getRotation());
_positionResetTag = false;
_rotationResetTag = false;
// damping compute
if (_isDamping && _dynamic && !isResting())
{
_info->getBody()->v.x *= cpfclamp(1.0f - delta * _linearDamping, 0.0f, 1.0f);
_info->getBody()->v.y *= cpfclamp(1.0f - delta * _linearDamping, 0.0f, 1.0f);
_info->getBody()->w *= cpfclamp(1.0f - delta * _angularDamping, 0.0f, 1.0f);
}
}
}