void setPoints() {
super.setPoints();
int dir = 0;
if (abs(dx) > abs(dy)) {
dir = -sign(dx) * sign(dy);
point2.y = point1.y;
} else {
dir = sign(dy) * sign(dx);
point2.x = point1.x;
}
if (dir == 0) dir = 1;
calcLeads(16);
cathode = newPointArray(2);
Point pa[] = newPointArray(2);
interpPoint2(lead1, lead2, pa[0], pa[1], 0, hs);
interpPoint2(lead1, lead2, cathode[0], cathode[1], 1, hs);
poly = createPolygon(pa[0], pa[1], lead2);
gate = newPointArray(2);
double leadlen = (dn - 16) / 2;
int gatelen = sim.gridSize;
gatelen += leadlen % sim.gridSize;
if (leadlen < gatelen) {
x2 = x;
y2 = y;
return;
}
interpPoint(lead2, point2, gate[0], gatelen / leadlen, gatelen * dir);
interpPoint(lead2, point2, gate[1], gatelen / leadlen, sim.gridSize * 2 * dir);
}