In view cone snippet: Difference between revisions
Jump to navigation
Jump to search
No edit summary |
No edit summary |
||
| Line 1: | Line 1: | ||
<pre> | |||
bool CMyEnt::InViewCone( const Vector &vecSpot, float tolerance ) | bool CMyEnt::InViewCone( const Vector &vecSpot, float tolerance ) | ||
{ | { | ||
| Line 12: | Line 14: | ||
return false; | return false; | ||
} | } | ||
</pre> | |||
Revision as of 13:57, 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;
}