@Override
public void start() {
final Box aBox =
(Box)
add(
new Box(a, new Vector3(0.1, 0.1, 0.1), new Vector3())
.surface(new ColorSurface(Color.White.alpha(0.5))));
final Box bBox =
(Box)
add(
new Box(b, new Vector3(0.1, 0.1, 0.1), new Vector3())
.surface(new ColorSurface(Color.White.alpha(0.5))));
VectorFont font = getThe(VectorFont.class);
label = new StringVar("???");
whenSizeChanges =
add(
new IfVector3Changes(aBox.getAbsolutePosition(), bBox.getAbsolutePosition()) {
@Override
public void afterVectorChanged(Vector3 v, double dx, double dy, double dz) {
Vector3 aAbs = aBox.getAbsolutePosition();
Vector3 bAbs = bBox.getAbsolutePosition();
double dist = Vector3.subtract(aAbs, bAbs).getMagnitude();
label.set(Double.toString(dist));
}
});
whenPointsChange =
add(
new IfVector3Changes(a, b) {
@Override
public void afterVectorChanged(Vector3 v, double dx, double dy, double dz) {
updateTextPosition();
}
});
text = add(new TextRect(label, font, 30));
updateTextPosition();
}
@Override
public Space newEdgeSpace(Object edge, Box pa, Box pb) {
return new Line3D(pa.getPosition(), pb.getPosition(), new DoubleVar(0.02), 2);
}
@Override
public Space newEdgeSpace(Object edge, Box pa, Box pb) {
Line3D fl = new Line3D(pa.getPosition(), pb.getPosition(), new DoubleVar(0.02), 2);
fl.color(Color.newRandomHSB(0.5, 0.5));
return fl;
}