🩹 Constrain UBL within mesh bounds (#24631)

Fixes #24630
This commit is contained in:
Miguel Risco-Castillo 2022-08-25 23:23:54 -05:00 committed by Scott Lahteine
parent d140be0281
commit d244389998
1 changed files with 6 additions and 4 deletions

View File

@ -423,10 +423,12 @@
LIMIT(icell.x, 0, GRID_MAX_CELLS_X);
LIMIT(icell.y, 0, GRID_MAX_CELLS_Y);
float z_x0y0 = z_values[icell.x ][icell.y ], // z at lower left corner
z_x1y0 = z_values[icell.x+1][icell.y ], // z at upper left corner
z_x0y1 = z_values[icell.x ][icell.y+1], // z at lower right corner
z_x1y1 = z_values[icell.x+1][icell.y+1]; // z at upper right corner
const int8_t ncellx = _MIN(icell.x+1, GRID_MAX_CELLS_X),
ncelly = _MIN(icell.y+1, GRID_MAX_CELLS_Y);
float z_x0y0 = z_values[icell.x][icell.y], // z at lower left corner
z_x1y0 = z_values[ncellx ][icell.y], // z at upper left corner
z_x0y1 = z_values[icell.x][ncelly ], // z at lower right corner
z_x1y1 = z_values[ncellx ][ncelly ]; // z at upper right corner
if (isnan(z_x0y0)) z_x0y0 = 0; // ideally activating planner.leveling_active (G29 A)
if (isnan(z_x1y0)) z_x1y0 = 0; // should refuse if any invalid mesh points