diff options
Diffstat (limited to 'Scripts')
| -rw-r--r-- | Scripts/BakeVertexData.py | 38 |
1 files changed, 26 insertions, 12 deletions
diff --git a/Scripts/BakeVertexData.py b/Scripts/BakeVertexData.py index 47225a4..a6178c8 100644 --- a/Scripts/BakeVertexData.py +++ b/Scripts/BakeVertexData.py @@ -746,12 +746,12 @@ class MESH_OT_pack_uv_islands_by_submesh_z(BaseSubmeshOperator, UVOperatorMixin) bl_description = "Pack UV islands vertically sorted by submesh Z position" padding: FloatProperty( - name="Island Padding", - description="Padding between UV islands", - default=0.02, + name="Island Padding (px)", + description="Padding between UV islands (in pixels, evaluated against the current render resolution). A value of 4.0 yields ~4 pixels of gap in the final packed result.", + default=4.0, min=0.0, - max=0.1, - precision=3 + max=256.0, + precision=1 ) max_islands_per_row: IntProperty( @@ -878,8 +878,19 @@ class MESH_OT_pack_uv_islands_by_submesh_z(BaseSubmeshOperator, UVOperatorMixin) island_data.sort(key=lambda x: x['submesh_z'], reverse=True) # Pack islands - total_area = sum((d['width'] + self.padding) * (d['height'] + self.padding) - for d in island_data) + # Convert pixel padding to UV units based on render resolution (largest axis) + render = context.scene.render + tex_size = max( + render.resolution_x * render.resolution_percentage / 100.0, + render.resolution_y * render.resolution_percentage / 100.0, + ) or 1024.0 # Fallback to 1024 if resolution is unset/zero + + padding_uv = self.padding / tex_size + + total_area = sum( + (d['width'] + padding_uv) * (d['height'] + padding_uv) + for d in island_data + ) target_size = min(0.95, math.sqrt(total_area) * 1.2) scale_factor = 0.95 / target_size if target_size > 1.0 else 1.0 @@ -890,9 +901,12 @@ class MESH_OT_pack_uv_islands_by_submesh_z(BaseSubmeshOperator, UVOperatorMixin) width = data['width'] * scale_factor height = data['height'] * scale_factor + padding_scaled = padding_uv * scale_factor + # Check if we need to start a new row - if current_row and (sum(d['width'] * scale_factor + self.padding for d in current_row) + width > target_size - or len(current_row) >= self.max_islands_per_row): + if current_row and ( + sum(d['width'] * scale_factor + padding_scaled for d in current_row) + width > target_size + or len(current_row) >= self.max_islands_per_row): # Place current row current_u = 0.025 row_height = max(d['height'] * scale_factor for d in current_row) @@ -906,9 +920,9 @@ class MESH_OT_pack_uv_islands_by_submesh_z(BaseSubmeshOperator, UVOperatorMixin) uv.x = uv.x * scale_factor + offset_u uv.y = uv.y * scale_factor + offset_v - current_u += row_data['width'] * scale_factor + self.padding + current_u += row_data['width'] * scale_factor + padding_scaled - current_v -= row_height + self.padding + current_v -= row_height + padding_scaled current_row = [] current_row.append(data) @@ -925,7 +939,7 @@ class MESH_OT_pack_uv_islands_by_submesh_z(BaseSubmeshOperator, UVOperatorMixin) uv.x = uv.x * scale_factor + offset_u uv.y = uv.y * scale_factor + offset_v - current_u += row_data['width'] * scale_factor + self.padding + current_u += row_data['width'] * scale_factor + padding_scaled # Update the mesh bmesh.update_edit_mesh(mesh) |