Lines Matching refs:t
191 /// the line by $t and 1 - $t.
192 function midPoint($a, $b, $t){
193 return array($a[0] * (1. - $t) + $b[0] * $t,
194 $a[1] * (1. - $t) + $b[1] * $t);
198 function quadraticBezierPoint($a, $b, $c, $t){
199 $ab = midPoint($a, $b, $t);
200 $bc = midPoint($b, $c, $t);
201 return midPoint($ab, $bc, $t);
205 function cubicBezierPoint($a, $c, $d, $b, $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, $t);
238 for($t = 0; $t <= $divs; $t++){
239 $p1 = cubicBezierPoint($a, $c, $d, $b, $t / $divs);
302 for($t = 0; $t <= $divs; $t++){
303 $p1 = quadraticBezierPoint($pts[0], $pts[1], $pts[2], $t / $divs);