/** \brief Handle updates in time of our fish
*
* This is called before we draw and allows us to
* move our fish. We add our speed times the amount
* of time that has elapsed.
* \param elapsed Time elapsed since the class call
*/
void CFish::Update(double elapsed)
{
SetLocation(GetX() + mSpeedX * elapsed,
GetY() + mSpeedY * elapsed);
// X movement
if (mSpeedX > 0 && GetX() + GetWidth()/2 + flipOffset >= GetAquarium()->GetWidth())
{
mSpeedX = -mSpeedX;
SetMirror(mSpeedX < 0);
}
else if (mSpeedX < 0 && GetX() - GetWidth()/2 - flipOffset <= 0){
mSpeedX = -mSpeedX;
SetMirror(mSpeedX < 0);
}
// Y movement
if (mSpeedY > 0 && GetY() + GetHeight() / 2 + heightOffset >= GetAquarium()->GetHeight())
{
mSpeedY = -mSpeedY;
}
else if (mSpeedY < 0 && GetY() - GetHeight() / 2 - heightOffset <= 0){
mSpeedY = -mSpeedY;
}
}
void CFish::BreedingUpdate(double elapsed)
{
CAquarium *aquarium = GetAquarium();
//fish logic for breeding
if (mCanBreed == true && mAge >= MaxAge)
{
if (mInterestTime >= InterestTimePreBreed)
{
mIsInterested = true;
}
else if (mIsGestating == false)
mInterestTime++;
if (mIsGestating == true)
mGestatingTime++;
if (mIsInterested == true)
{
CBreedVisitor visitor(mIsMale, GetType());
aquarium->Accept(&visitor);
if (visitor.IsInterested())
{
// Compute a vector from (x1,y1) to (x2,y2)
double dx = visitor.GetX() - GetX();
double dy = visitor.GetY() - GetY();
// How long is that vector?
double len = sqrt(dx * dx + dy * dy);
if (len > 0)
{
// Normalize the vector
dx /= len;
dy /= len;
}
// Update the location
if (GetType() == "beta")
{
mSpeedX = dx * (MaxSpeedX - BetaSpeed) * BreedMultuplier * elapsed;
mSpeedY = dy * (MaxSpeedY - BetaSpeed) * BreedMultuplier * elapsed;
}
if (GetType() == "bubbles")
{
mSpeedX = dx * (MaxSpeedX - BubblesSpeed) * BreedMultuplier * elapsed;
mSpeedY = dy * (MaxSpeedY - BubblesSpeed) * BreedMultuplier * elapsed;
}
if (GetType() == "dory")
{
mSpeedX = dx * (DorySpeed - MaxSpeedX) * BreedMultuplier * elapsed;
mSpeedY = dy * (DorySpeed - MaxSpeedY) * BreedMultuplier * elapsed;
}
// check if the visited fish overlaps this one
if (OverlapTest(visitor.GetX(), visitor.GetY()))
{
if (mIsMale == 0)
{
mIsGestating = true;
}
else
{
visitor.SetGestating();
}
mIsInterested = false;
mInterestTime = 0;
visitor.SetUninterested();
if (GetType() == "beta")
{
mSpeedX = ((double)rand() / RAND_MAX) * (MaxSpeedX - BetaSpeed);
mSpeedY = ((double)rand() / RAND_MAX) * (MaxSpeedY - BetaSpeed);
}
else if (GetType() == "bubbles")
{
mSpeedX = ((double)rand() / RAND_MAX) * (MaxSpeedX - BubblesSpeed);
mSpeedY = ((double)rand() / RAND_MAX) * (MaxSpeedY - BubblesSpeed);
}
else if (GetType() == "dory")
{
mSpeedX = ((double)rand() / RAND_MAX) * (DorySpeed- MaxSpeedX);
mSpeedY = ((double)rand() / RAND_MAX) * (DorySpeed- MaxSpeedY);
}
}
}
}
if (mGestatingTime >= GestatingTime)
{
mIsGestating = false;
mGestatingTime = 0;
if (GetType() == "beta")
{
auto fish = make_shared<CFishBeta>(aquarium);
fish->SetLocation(GetX(), GetY());
aquarium->AddTempItem(fish);
}
if (GetType() == "bubbles")
{
auto fish = make_shared<CFishBubbles>(aquarium);
fish->SetLocation(GetX(), GetY());
aquarium->AddTempItem(fish);
}
if (GetType() == "dory")
{
auto fish = make_shared<CFishDory>(aquarium);
fish->SetLocation(GetX(), GetY());
aquarium->AddTempItem(fish);
}
}
if (mSpeedX < 0)
SetMirror(true);
if (mSpeedX > 0)
SetMirror(false);
}
}
