void Radar::Update(const float time_delta) {
mDirection.Normalize();
mDirection.Rotate(0.8 * time_delta);
mRay.SetRotation(- Engine::Vector2D::rad2Deg( mDirection.Rotation() ));
UpdateAllAttachments(time_delta);
}
void ParticleEmitter::Update(const float time_delta,
const Vector2D& position_of_partsys,
const Vector2D& direction_of_partsys) {
mPosition = mPositionOffset + position_of_partsys;
mDirection = direction_of_partsys;
mDirection.Rotate(mRotationOffset);
// Delete particles that have outlived their life time.
mParticles.erase_if(boost::bind(&Particle::GetLifeTime, _1) >= mTimeToLive);
mTimeSinceLastParticle += time_delta;
// Rate is amount of particles sent per second and time_delta is secs.
while(mTimeSinceLastParticle >= 1.f / mRate) {
float spread = Math::Random(-mSpread/2, mSpread/2);
Vector2D spread_vector = mDirection;
spread_vector.Normalize();
spread_vector.Rotate(Vector2D::deg2Rad(spread));
Particle* particle = new Particle(mPosition, spread_vector, mSpeed, mStartColor, mEndColor, mStartAlpha, mEndAlpha, mStartScale, mEndScale, mTimeToLive, mBlendMode, mImageName, mPositionType);
particle->Initialize();
mParticles.push_back(particle);
mTimeSinceLastParticle -= 1.f / mRate;
}
BOOST_FOREACH(Particle& particle, mParticles)
particle.Update(time_delta);
UpdateAllAttachments(time_delta);
}
void Entity::Update(float time_delta) {
UpdateAllAttachments(time_delta);
if (mUsePhysics) {
// Move
btTransform trans;
mBody->getMotionState()->getWorldTransform(trans);
btVector3 origin = trans.getOrigin();
SetPosition(Vector2D(origin.x(), origin.y()));
btMatrix3x3 rot;
rot.setIdentity();
rot = trans.getBasis();
float fx,fy,fz;
rot.getEulerZYX(fz,fy,fx);
SetRotation(PI-fz);
}
mWasCollidedLastTick -= 1;
}
void GuiContainer::Update(float time_delta) {
UpdateAllAttachments(time_delta);
}
void GuiControl::Update(const float time_delta) {
UpdateAllAttachments(time_delta);
}
