// Writes polygons to the saveFile
private static void savePolygons() {
if (!saveFile.exists()) {
try {
saveFile.createNewFile();
} catch (IOException ex) {
// Can't create file
}
}
try {
PrintStream fileOut = new PrintStream(saveFile);
for (Polygon p : polygons) {
fileOut.println(p.getName());
fileOut.println(p.getPoints().size());
for (Point3Df q : p.getPoints()) {
fileOut.print(q.x);
fileOut.print(",");
fileOut.print(q.y);
fileOut.print(",");
fileOut.println(q.z);
}
fileOut.println(p.getEdges().size());
for (Edge q : p.getEdges()) {
fileOut.print(q.p1);
fileOut.print(",");
fileOut.println(q.p2);
}
}
fileOut.close();
} catch (FileNotFoundException ex) {
// Can't find file
}
}
private static void rebound() {
float f = 0.0f;
float n = 0.0f;
float b = 0.0f;
float t = 0.0f;
float l = 0.0f;
float r = 0.0f;
for (Polygon poly : polygons) {
poly.recalc();
if (poly.getMinZ() < f) {
f = poly.getMinZ();
}
if (poly.getMaxZ() > n) {
n = poly.getMaxZ();
}
if (poly.getMinY() < b) {
b = poly.getMinY();
}
if (poly.getMaxY() > t) {
t = poly.getMaxY();
}
if (poly.getMinX() < l) {
l = poly.getMinX();
}
if (poly.getMaxX() > r) {
r = poly.getMaxX();
}
}
float maxSpan = Math.max(Math.max(f - n, t - b), r - l);
for (Polygon poly : polygons) {
for (Point3Df p : poly.getPoints()) {
p.x = p.x * (2 / maxSpan) - (r + l) / (r - l);
p.y = p.y * (2 / maxSpan) - (t + b) / (t - b);
p.z = p.z * (2 / maxSpan) - (n + f) / (n - f);
}
poly.recalc();
}
}