void
astPlayerShip::Update( float timeStep )
{
vsInput *input = core::GetGame()->GetInput();
//vsVector2D lStick = input->GetLeftStick();
float steering = input->GetLeftStick().x;
AddTorque( m_object->GetAngularVelocity() * -6.0f * m_object->GetMomentOfInertia()); // angular damping
AddTorque( DEGREES(1080.0f) * steering * m_object->GetMomentOfInertia() ); // rotation from attitude jets
AddForce( m_object->GetVelocity() * -0.3f * m_object->GetMass() ); // damping
//if ( lStick.y > 0.f )
if ( input->IsDown(CID_B) )
{
float acceleration = 30.0f;
AddForce( m_transform.GetAngle().GetForwardVector() * acceleration /* lStick.y*/ * m_object->GetMass() ); // thrust
m_emitter->SetSpawnRate( 30.0f );
}
else
{
m_emitter->SetSpawnRate(0.0f);
}
HandleSpawnTimer(timeStep);
bool shooting = (!m_spawnInvulnerable && input->WasPressed(CID_A));
if ( shooting )
{
for ( int i = 0; i < c_maxShots; i++ )
{
if ( !m_shotList[i]->IsSpawned() )
{
vsVector2D forwardVec = m_transform.GetAngle().GetForwardVector();
vsVector2D muzzlePos = GetPosition() + (forwardVec * 1.8f);
vsVector2D shotVelocity = GetVelocity() + (forwardVec * 40.0f);
m_shotList[i]->Spawn( muzzlePos, shotVelocity );
break;
}
}
}
HandleThrusters(timeStep);
Parent::Update( timeStep );
vsVector2D forwardVec = m_transform.GetAngle().GetForwardVector();
m_emitter->SetSpawnPosition( GetPosition() - forwardVec * 3.0f, 1.0f );
m_emitter->SetSpawnColor( vsColor::Red );
if ( input->IsDown(CID_B) )
m_emitter->SetSpawnVelocity( forwardVec * -20.0f, 6.0f );
}
void RigidBody2D::AddForceAtPoint(const Vector2& i_force, const Vector2& i_pointInWorldCoordinate)
{
AddForce(i_force);
const Vector2 cp = m_position - i_pointInWorldCoordinate;
const Real torque = cp.X() * i_force.Y() - cp.Y() * i_force.X();
AddTorque(torque);
}
void Rigidbody::PhysicsUpdate(float _timeStep) {
if (gameObject->isStatic) {
return;
}
CalculateMomentOfInertia();
AddForce( (useGravity ? CoreEngine::physics->gravity * mass : vec3(0)));
vec3 frictionForce = -mass * dynamicFriction * velocity;
AddForce(frictionForce);
vec3 frictionTorque = (-momentOfInertia * dynamicFriction * angularVelocity);
AddTorque(frictionTorque);
vec3 acceleration = totalForce / mass;
vec3 angularAcceleration = totalTorque / momentOfInertia;
OldPosition = transform->position; //keep our old position for collision response
velocity += acceleration * _timeStep;
transform->position += velocity * _timeStep;
totalForce = vec3(0);
totalTorque = vec3(0);
}
void RigidBody::AddTorque(Vector3 force)
{
AddTorque(force, ForceMode::Force, true);
}
void Rigidbody::AddForceAtPosition(vec3 _force, vec3 _position) {
vec3 torque = glm::cross(_position - transform->position, _force);
totalForce += _force;
AddTorque(torque);
}
