[Fixed][Render 3D] Rotation/offset for highlighted bottom components

Fixes #659

CHANGELOG.md

@@ -66,6 +66,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Update XML: `check_pcb_parity` not usable for KiCad 8, must use the `drc`
   preflight (#633)
 - PCB Print: %ln and %ll substitution when using `repeat_for_layer` option
+- Render_3D: bottom side components that doesn't rotate from its center got
+  displaced highlight (#659)
 - QR Lib output and various preflights: might remove DRC exclusions. This is
   a KiCad bug that we must workaround (#653)
 - 3D outputs: temporal .kicad_dru file not removed (#655)

docs/source/Changelog.rst

@@ -110,6 +110,8 @@ Fixed:
    ``drc`` preflight (#633)
 -  PCB Print: %ln and %ll substitution when using ``repeat_for_layer``
    option
+-  Render_3D: bottom side components that doesn’t rotate from its center
+   got displaced highlight (#659)
 -  QR Lib output and various preflights: might remove DRC exclusions.
    This is a KiCad bug that we must workaround (#653)
 -  3D outputs: temporal .kicad_dru file not removed (#655)

kibot/out_base.py

@@ -754,6 +754,8 @@ def highlight_3D_models(self, board, highlight):
             models = m.Models()
             m_pos = m.GetPosition()
             rot = m.GetOrientationDegrees()
+            if m.IsFlipped():
+                rot = 180-rot
             # Measure the courtyard
             bbox = self.get_crtyd_bbox(board, m)
             if bbox.x1 is not None:
@@ -773,7 +775,7 @@ def highlight_3D_models(self, board, highlight):
             if extra_debug:
                 logger.debug(f'Highlight for {ref}')
                 logger.debug(f' - Position {ToMM(m_pos.x)}, {ToMM(m_pos.y)}')
-                logger.debug(f' - Orientation {rot}')
+                logger.debug(f' - Orientation {rot} (Flipped: {m.IsFlipped()})')
                 logger.debug(f' - Center {ToMM(m_cen.x)} {ToMM(m_cen.y)}')
                 logger.debug(f' - w,h {ToMM(w)}, {ToMM(h)}')
             # Compute the offset
@@ -782,6 +784,8 @@ def highlight_3D_models(self, board, highlight):
             rrot = math.radians(rot)
             # KiCad coordinates are inverted in the Y axis
             off_y = -off_y
+            if m.IsFlipped():
+                off_x = -off_x
             # Apply the component rotation
             off_xp = off_x*math.cos(rrot)+off_y*math.sin(rrot)
             off_yp = -off_x*math.sin(rrot)+off_y*math.cos(rrot)