Lines Matching refs:ta
501 VGfloat ta = line_dy(l1) / line_dx(l1);
503 isect[1] = ta * l2[0] + l1[1] - ta*l1[0];
506 VGfloat ta = line_dy(l1) / line_dx(l1);
508 if (ta == la)
511 x = ( - l2[1] + la * l2[0] + l1[1] - ta * l1[0] ) / (la - ta);
513 isect[1] = ta*(x - l1[0]) + l1[1];
