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Share One Build Plate Tilt Up-Direction Helper Across the GUI

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The bed gravity arrow, volume rendering and the painter/support gizmos each rebuilt
the tilt up-vector from build_plate_tilt_x/y; use one helper that also tolerates
presets without the keys.
This commit is contained in:
Hanif Koh
2026-09-14 17:27:33 +08:00
parent 5cd6661280
commit a8a45439db
7 changed files with 23 additions and 46 deletions
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src/slic3r/GUI/3DBed.cpp
+3 -9
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@@ -746,20 +746,14 @@ void Bed3D::render_custom(GLCanvas3D& canvas, const Transform3d& view_matrix, co
void Bed3D::render_gravity_arrow(const Transform3d& view_matrix, const Transform3d& projection_matrix)
{
const DynamicPrintConfig& cfg = wxGetApp().preset_bundle->printers.get_edited_preset().config;
// build_plate_tilt_{x,y} are kept in sync with the belt tilt (see TabPrinter), so
// reading them here covers both belt and non-belt tilted printers.
double tilt_x_deg = cfg.opt_float("build_plate_tilt_x");
double tilt_y_deg = cfg.opt_float("build_plate_tilt_y");
if (tilt_x_deg == 0. && tilt_y_deg == 0.) {
const Vec3d up_dir = build_plate_tilt_up_direction();
if (up_dir == Vec3d::UnitZ()) {
m_gravity_arrow.reset();
return;
}
// Gravity direction (matching the slicer's tilt convention)
double tilt_x_rad = Geometry::deg2rad(tilt_x_deg);
double tilt_y_rad = Geometry::deg2rad(tilt_y_deg);
Vec3d gravity_dir = Vec3d(-tan(tilt_y_rad), -tan(tilt_x_rad), -1.0).normalized();
const Vec3d gravity_dir = -up_dir;
// Build the arrow model (same dimensions as the axis arrows)
if (!m_gravity_arrow.is_initialized()) {