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Code Issues 121 Wiki Activity

Use glm::length2 instead of glm::length where possible

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This commit is contained in:
docentYT
2026-04-27 23:27:08 +02:00
parent 7d561f8443
commit cba106e22e
9 changed files with 34 additions and 21 deletions
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4
application/drivermode.cpp
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@@ -569,7 +569,7 @@ void driver_mode::update_camera(double const Deltatime)
Camera.Reset(); // likwidacja obrotów - patrzy horyzontalnie na południe
if (Camera.m_owner == nullptr)
{
if (controlled && glm::length(controlled->GetPosition() - Camera.Pos) < 1500)
if (controlled && glm::length2(controlled->GetPosition() - Camera.Pos) < 1500 * 1500) // length2 is better than length for comparing because it does not require sqrt function
{
// gdy bliżej niż 1.5km
Camera.LookAt = controlled->GetPosition() + 0.4 * controlled->VectorUp() * controlled->MoverParameters->Dim.H;
@@ -583,7 +583,7 @@ void driver_mode::update_camera(double const Deltatime)
if (d && pDynamicNearest)
{
// jeśli jakiś jest znaleziony wcześniej
if (100.0 * glm::length(d->GetPosition() - Camera.Pos) > glm::length(pDynamicNearest->GetPosition() - Camera.Pos))
if (100.0 * glm::length2(d->GetPosition() - Camera.Pos) > glm::length2(pDynamicNearest->GetPosition() - Camera.Pos)) // length2 is better than length for comparing because it does not require sqrt function
{
d = pDynamicNearest; // jeśli najbliższy nie jest 10 razy bliżej niż
}