float DistanceEstimated(const XMVECTOR& v1, const XMVECTOR& v2)
{
XMVECTOR& vectorSub = XMVectorSubtract(v1, v2);
XMVECTOR& length = XMVector3LengthEst(vectorSub);
float Distance = 0.0f;
XMStoreFloat(&Distance, length);
return Distance;
}
VOID Bound::Merge( const Bound& Other )
{
Sphere OtherSphere;
OtherSphere.Center = Other.GetCenter();
OtherSphere.Radius = Other.GetMaxRadius();
if( m_Type == Bound::No_Bound )
{
SetSphere( OtherSphere );
return;
}
Sphere ThisSphere;
if( m_Type != Bound::Sphere_Bound )
{
// convert this bound into a sphere
ThisSphere.Center = GetCenter();
ThisSphere.Radius = GetMaxRadius();
}
else
{
ThisSphere = GetSphere();
}
XMVECTOR vThisCenter = XMLoadFloat3( &ThisSphere.Center );
XMVECTOR vOtherCenter = XMLoadFloat3( &OtherSphere.Center );
XMVECTOR vThisToOther = XMVectorSubtract( vOtherCenter, vThisCenter );
XMVECTOR vDistance = XMVector3LengthEst( vThisToOther );
FLOAT fCombinedDiameter = XMVectorGetX( vDistance ) + ThisSphere.Radius + OtherSphere.Radius;
if( fCombinedDiameter <= ( ThisSphere.Radius * 2 ) )
{
SetSphere( ThisSphere );
return;
}
if( fCombinedDiameter <= ( OtherSphere.Radius * 2 ) )
{
SetSphere( OtherSphere );
return;
}
XMVECTOR vDirectionNorm = XMVector3Normalize( vThisToOther );
XMVECTOR vRadius = XMVectorSet( ThisSphere.Radius, OtherSphere.Radius, 0, 0 );
XMVECTOR vThisRadius = XMVectorSplatX( vRadius );
XMVECTOR vOtherRadius = XMVectorSplatY( vRadius );
XMVECTOR vCombinedDiameter = vThisRadius + vDistance + vOtherRadius;
XMVECTOR vMaxDiameter = XMVectorMax( vCombinedDiameter, vThisRadius * 2 );
vMaxDiameter = XMVectorMax( vMaxDiameter, vOtherRadius * 2 );
XMVECTOR vMaxRadius = vMaxDiameter * 0.5f;
ThisSphere.Radius = XMVectorGetX( vMaxRadius );
vMaxRadius -= vThisRadius;
XMVECTOR vCombinedCenter = vThisCenter + vMaxRadius * vDirectionNorm;
XMStoreFloat3( &ThisSphere.Center, vCombinedCenter );
SetSphere( ThisSphere );
}
void Graphics::exe_cam_curr_pos(uint32_t const _i_zad) {
XMVECTOR _v = XMVectorSet(cam.v.x, 0.0f, cam.v.z, 0.0f);
XMVECTOR _dl_v = XMVector3LengthEst(_v);
if(XMVectorGetX(_dl_v) != 0.0f) {
_v = XMVector3Rotate(_v, XMLoadFloat4(&cam.quat));
_v = XMVectorSetY(_v, 0.0f);
XMVECTOR _v_modul = XMVectorAbs(_v);
_v = _v / (XMVectorGetX(_v_modul) + XMVectorGetZ(_v_modul)) * _dl_v;
}
_v = XMVectorSetY(_v, cam.v.y);
XMStoreFloat3(&cam.pos, XMLoadFloat3(&cam.pos) + _v);
task.erase(_i_zad);
}
