public void render(Color c, int stroke, int markType) {
if (c == null) c = Color.RED;
V.pushColor(c);
if (defined()) {
seg.render(c, stroke, markType);
} else {
for (int i = 0; i < 2; i++) {
if (i == 1 && discA == discB) continue;
EdObject obj = object(i);
if (obj instanceof EdDisc) {
EdDisc d = (EdDisc) obj;
stroke = STRK_RUBBERBAND;
V.pushStroke(stroke);
double r = Math.max(d.getRadius() - 4, 2.0);
V.drawCircle(d.getOrigin(), r);
V.popStroke();
} else {
Tools.unimp("rendering undefined bitangents of polygons");
}
}
}
V.popColor();
}
public static void plotDirectedHalfPlane(FPoint2 p0, FPoint2 p1, int markType) {
double SEP = .4 * V.getScale();
double ang = MyMath.polarAngle(p0, p1);
FPoint2 d0 = MyMath.ptOnCircle(p0, ang + Math.PI / 2, SEP);
FPoint2 d1 = MyMath.ptOnCircle(p1, ang + Math.PI / 2, SEP);
EdSegment.plotDirectedLine(p0, p1);
V.pushStroke(STRK_RUBBERBAND);
V.drawLine(d0, d1);
V.popStroke();
if (markType >= 0) {
V.mark(d0, markType);
V.mark(d1, markType);
}
}
public void render(Color c, int stroke, int markType) {
final boolean db = false;
// Get array of visible segments. If no such array exists,
// use default.
DArray vseg = visSeg;
boolean dashed = false;
// if (step == 0) {
double step = renderStep();
// }
// vp V = TestBed.view();
if (db) Streams.out.println(" step=" + step);
// plot each visible segment
for (int seg = 0; seg < vseg.size(); seg += 2) {
double t0 = vseg.getDouble(seg + 0), t1 = vseg.getDouble(seg + 1);
t0 = MyMath.clamp(t0, -500.0, 500.0);
t1 = MyMath.clamp(t1, -500.0, 500.0);
// render() expects external parameters.
double s0 = toExt(t0), s1 = toExt(t1);
if (s0 > s1) {
double tmp = s0;
s0 = s1;
s1 = tmp;
}
FPoint2 p0 = calcPoint(s0), p1 = calcPoint(s1);
if (db) Streams.out.println(" p0=" + p0 + ", p1=" + p1);
if (isLine() && !dashed) {
V.drawLine(p0, p1);
} else {
/*
if (Math.abs(s0) >= 500
||Math.abs(s1) >= 500)
System.out.println("Rendering "+t0+" to "+t1+" step "+step);
*/
if (dashed) V.pushStroke(Globals.STRK_RUBBERBAND);
{
// int count = 0;
boolean first = true;
for (double t = t0; ; t += step) { // , count++) {
boolean last = (t >= t1);
if (last) {
t = t1;
}
calcPointInternal(t, p1);
if (!p1.isValid()) {
if (last) {
break;
}
continue;
}
if (db) {
System.out.println(" calcPt " + Tools.f(toExt(t)) + " = " + p1.x + "," + p1.y);
}
if (!first) {
V.drawLine(p0, p1);
if (false) {
Tools.warn("highlighting int");
V.mark(p0);
}
}
if (last) {
break;
}
p0.setLocation(p1);
first = false;
}
}
if (dashed) V.popStroke();
}
}
}