Lines Matching defs:a0
44 // If a,b,c are the original control points then the poly a0,b0,c0,c1,a1
49 // a0 c0
52 // Each is drawn as three triangles ((a0,a1,b0), (b0,c1,c0), (a1,c1,b0))
466 // | a0 c0
469 // edges a0->b0 and b0->c0 are parallel to original edges a->b and b->c,
471 BezierVertex& a0 = verts[0];
501 a0.fPos = a;
502 a0.fPos += abN;
511 intersect_lines(a0.fPos, abN, c0.fPos, cbN, &b0.fPos);
