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();
}
}
