void update_grids()
{
if (grid_xy != null)
{
grid_xy.SafeUpdateLines((lines) => {
lines.Segments.Clear();
generate_grid_lines(lines, Vector3f.AxisX, Vector3f.AxisY, axis_steps.x, axis_steps.y, step_size);
});
}
if (grid_yz != null)
{
grid_yz.SafeUpdateLines((lines) => {
lines.Segments.Clear();
generate_grid_lines(lines, Vector3f.AxisY, Vector3f.AxisZ, axis_steps.y, axis_steps.z, step_size);
});
}
if (grid_xz != null)
{
grid_xz.SafeUpdateLines((lines) => {
lines.Segments.Clear();
generate_grid_lines(lines, Vector3f.AxisX, Vector3f.AxisZ, axis_steps.x, axis_steps.z, step_size);
});
}
grids_valid = true;
}
void update_circle_indicator(bool on_snap)
{
if (circle_indicator != null)
{
circle_indicator.SafeUpdateLines((lines) => {
lines.Color.a = (on_snap) ? 1.0f : 0.5f;
});
}
}
void update_snap_indicator(float fAngle, bool on_snap)
{
Quaternionf planeRotation = new Quaternionf(Vector3f.AxisY, fAngle * MathUtil.Rad2Degf);
Quaternionf alignAxisRotation = Quaternionf.FromTo(Vector3f.AxisY, Frame3f.Identity.GetAxis(nRotationAxis));
snap_indicator.SetLocalRotation(alignAxisRotation * planeRotation);
snap_indicator.SafeUpdateLines((lines) => {
lines.Color.a = (on_snap) ? 1.0f : 0.15f;
});
}
