Lines Matching refs:b1
4263 fabric.Intersection.intersectLineLine = function (a1, a2, b1, b2) { argument
4265 uaT = (b2.x - b1.x) * (a1.y - b1.y) - (b2.y - b1.y) * (a1.x - b1.x),
4266 ubT = (a2.x - a1.x) * (a1.y - b1.y) - (a2.y - a1.y) * (a1.x - b1.x),
4267 uB = (b2.y - b1.y) * (a2.x - a1.x) - (b2.x - b1.x) * (a2.y - a1.y);
4303 var b1 = points[i],
4305 inter = Intersection.intersectLineLine(a1, a2, b1, b2);
12401 var b1, b2, a1, a2, xi, yi,
12422 b1 = 0;
12424 a1 = point.y - b1 * point.x;
12427 xi = - (a1 - a2) / (b1 - b2);
12428 yi = a1 + b1 * xi;