C++ (Cpp) C_TFPlayer::CalcView Beispiele

Beispiel #1

Datei: tf_hud_flagstatus.cpp Projekt: treetoon/TF2Classic

//-----------------------------------------------------------------------------
// Purpose: 
//-----------------------------------------------------------------------------
float CTFArrowPanel::GetAngleRotation( void )
{
	float flRetVal = 0.0f;

	C_TFPlayer *pPlayer = ToTFPlayer( C_BasePlayer::GetLocalPlayer() );
	C_BaseEntity *pEnt = m_hEntity.Get();

	if ( pPlayer && pEnt )
	{
		QAngle vangles;
		Vector eyeOrigin;
		float zNear, zFar, fov;

		pPlayer->CalcView( eyeOrigin, vangles, zNear, zFar, fov );

		Vector vecFlag = pEnt->WorldSpaceCenter() - eyeOrigin;
		vecFlag.z = 0;
		vecFlag.NormalizeInPlace();

		Vector forward, right, up;
		AngleVectors( vangles, &forward, &right, &up );
		forward.z = 0;
		right.z = 0;
		forward.NormalizeInPlace();
		right.NormalizeInPlace();

		float dot = DotProduct( vecFlag, forward );
		float angleBetween = acos( dot );

		dot = DotProduct( vecFlag, right );

		if ( dot < 0.0f )
		{
			angleBetween *= -1;
		}

		flRetVal = RAD2DEG( angleBetween );
	}

	return flRetVal;
}