Model viewer working with all default pack models

2026-08-04 14:04:25 -05:00
parent 30c4910968
commit f59e9a165c
2 changed files with 31 additions and 2 deletions
@@ -202,13 +202,24 @@
                var origin = c.origin || [0, 0, 0];
                var size = c.size || [1, 1, 1];
                var cRot = (c.rotation || [0, 0, 0]).map(function (d) { return -d * DEG; });
+                var hasRot = !!(c.rotation && (c.rotation[0] || c.rotation[1] || c.rotation[2]));
+                // Blockbench cubes rotate around their own pivot (fall back to origin).
+                var cPivot = hasRot ? (c.pivot || origin) : origin;
+                var center = [
+                    origin[0] + size[0] / 2,
+                    origin[1] + size[1] / 2,
+                    origin[2] + size[2] / 2,
+                ];
                var cubeWorld = multiply(
                    world,
                    multiply(
-                        translation(origin[0], origin[1], origin[2]),
+                        translation(cPivot[0], cPivot[1], cPivot[2]),
                        multiply(
                            rotationXYZ(cRot[0], cRot[1], cRot[2]),
-                            translation(size[0] / 2, size[1] / 2, size[2] / 2)
+                            multiply(
+                                translation(-cPivot[0], -cPivot[1], -cPivot[2]),
+                                translation(center[0], center[1], center[2])
+                            )
                        )
                    )
                );