getAveragePointLocal method
Get an average of all the vertices position
Implementation
Vec3 getAveragePointLocal([Vec3? target]) {
target ??= Vec3();
final verts = vertices;
for (int i = 0; i < verts.length; i++) {
target.vadd(verts[i], target);
}
target.scale(1 / verts.length, target);
return target;
}