float angle_from (Stuff::Vector3D &v1, Stuff::Vector3D &v2)
{
float mag_product = v1.GetLength() * v2.GetLength();
if (mag_product == 0.0)
return mag_product; // 0;
else
{
float vecResult = v1 * v2;
return (my_acos(vecResult / mag_product) * RADS_TO_DEGREES);
}
}
void Team::markRadiusSeenToTeams(Stuff::Vector3D& location, float radius, bool shrinkForNight)
{
if(radius < 0.0)
radius = fireVisualRange;
if(shrinkForNight)
radius -= (radius * 0.25f);
bool didTeam[MAX_TEAMS] = {false, false, false, false, false, false, false, false};
for(size_t i = 0; i < ObjectManager->getNumMovers(); i++)
{
MoverPtr mover = ObjectManager->getMover(i);
if(mover->getTeam() && !didTeam[mover->getTeamId()] && !isFriendly(mover->getTeam()))
{
Stuff::Vector3D result;
result.x = location.x - mover->getPosition().x;
result.y = location.y - mover->getPosition().y;
result.z = 0.0;
float dist = result.GetLength() * metersPerWorldUnit;
if(dist < maxVisualRange)
{
markRadiusSeen(location, radius);
didTeam[mover->getTeamId()] = true;
}
}
}
}
void MoverGroup::sortMovers(
int32_t numMoversInGroup, MoverPtr* moverList, Stuff::Vector3D destination)
{
Mover::sortList->clear();
for (size_t i = 0; i < numMoversInGroup; i++)
{
int32_t index = -1;
float dist = (float)3.48E+37;
if (moverList[i])
{
index = i;
Stuff::Vector3D resultVector;
resultVector.Subtract(moverList[i]->getPosition(), destination);
dist = resultVector.GetLength();
}
Mover::sortList->setId(i, index);
Mover::sortList->setValue(i, dist);
}
Mover::sortList->sort(false);
for (i = 0; i < numMoversInGroup; i++)
{
int32_t moverIndex = Mover::sortList->getId(i);
if (moverIndex != -1)
moverList[moverIndex]->selectionIndex = i;
}
}
float distance_from (Stuff::Vector3D &v1, Stuff::Vector3D &v2)
{
Stuff::Vector3D result;
result.x = v2.x - v1.x;
result.y = v2.y - v1.y;
result.z = v2.z - v1.z;
float dist = result.GetLength();
return (dist);
}