In view cone snippet: Difference between revisions
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<pre> | |||
bool CMyEnt::InViewCone( const Vector &vecSpot, float tolerance ) | bool CMyEnt::InViewCone( const Vector &vecSpot, float tolerance ) | ||
{ | { | ||
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return false; | return false; | ||
} | } | ||
</pre> | |||
Revision as of 12:57, 15 June 2008
bool CMyEnt::InViewCone( const Vector &vecSpot, float tolerance )
{
Vector los = ( vecSpot - GetAbsOrigin() );
los.z = 0;
VectorNormalize( los );
Vector facingDir;
AngleVectors( GetAbsAngles(), &facingDir );
float flDot = DotProduct( los, facingDir );
if ( flDot > tolerance )
return true;
return false;
}