Lines Matching refs:midPoint

192 function midPoint($a, $b, $t){
199 	$ab = midPoint($a, $b, $t);
200 	$bc = midPoint($b, $c, $t);
201 	return midPoint($ab, $bc, $t);
206 	$ac = midPoint($a, $c, $t);
207 	$cd = midPoint($c, $d, $t);
208 	$db = midPoint($d, $b, $t);
209 	$acd = midPoint($ac, $cd, $t);
210 	$cdb = midPoint($cd, $db, $t);
211 	return midPoint($acd, $cdb, $t);