bool Unit::Move(float dt)
{
bool ret = true;
C_Vec2<float> vel = currentVelocity * dt;
//Continuous evaluation
if (App->entityManager->continuous)
{
//TODO 3: Split the velocity in parts and check for the target
//-------------------------------------------------------
//Splitting the velocity into smaller pieces to check if the unit reaches the target
float module = vel.GetModule();
int steps = (int)floor(vel.GetModule() / targetRadius);
C_Vec2<float> velStep = (vel.GetNormal() * targetRadius);
C_Vec2<float> rest = vel - velStep * (float)steps;
for (int i = 0; i < steps && ret; i++)
{
position.x += velStep.x;
position.y += velStep.y;
if (isTargetReached())
ret = false;
}
if (ret)
{
position.x += rest.x;
position.y += rest.y;
if (isTargetReached())
ret = false;
}
//-------------------------------------------------------
}
//Normal movement
else
{
//TODO 1: Move the unit with the velocity obtained previously
//------------------------------------------------------
position.x += vel.x;
position.y += vel.y;
//-----------------------------------------------------
if (isTargetReached())
ret = false;
}
currentVelocity.position = desiredVelocity.position = position;
UpdateCollider();
return ret;
}
bool Unit::isTargetReached()
{
//TODO 2: Check if we have reached the target
//------------------------------------------------------
C_Vec2<float> vec;
vec.x = target.x - position.x;
vec.y = target.y - position.y;
float distance = vec.GetModule();
if (distance < targetRadius)
{
position.x = (float)target.x;
position.y = (float)target.y;
currentVelocity.position = desiredVelocity.position = position;
return true;
}
//-----------------------------------------------------
return false;
}
float Bot::DistanceBetweenUnits(Unit* unit1, Unit* unit2)
{
C_Vec2<float> distance = { unit1->GetPosition().x - unit2->GetPosition().x, unit1->GetPosition().y - unit2->GetPosition().y };
return distance.GetModule();
}
// Useful Distance functions
bool Bot::EnemyOnRange(Unit* unit1, Unit* unit2, float range)
{
C_Vec2<float> distance = { unit1->GetPosition().x - unit2->GetPosition().x, unit1->GetPosition().y - unit2->GetPosition().y };
return (distance.GetModule() < range + unit1->colRadius + unit2->colRadius);
}
