From 1191c1ead90928485f90faa201c296e857ffd050 Mon Sep 17 00:00:00 2001 From: Daniel Salazar Date: Tue, 19 Jul 2011 15:07:29 +0000 Subject: [PATCH] Object Align operator: coudn't resist and added a high quality (slower) option to get perfect alighment on complex shapes with rotation/scaling :D sexy example: http://www.pasteall.org/pic/show.php?id=15171 --- .../startup/bl_operators/object_align.py | 75 +++++++++++++++++-- 1 file changed, 68 insertions(+), 7 deletions(-) diff --git a/release/scripts/startup/bl_operators/object_align.py b/release/scripts/startup/bl_operators/object_align.py index 8bf5cc9e8fb..aefc12ed8df 100644 --- a/release/scripts/startup/bl_operators/object_align.py +++ b/release/scripts/startup/bl_operators/object_align.py @@ -21,7 +21,8 @@ import bpy from mathutils import Vector -def GlobalBB(bb_world): +def GlobalBB_LQ(bb_world): + # Initialize the variables with the 8th vertex left, right, front, back, down, up =\ bb_world[7][0],\ @@ -57,11 +58,58 @@ def GlobalBB(bb_world): if val > up: up = val + + return (Vector((left, front, up)), Vector((right, back, down))) + +def GlobalBB_HQ(obj): + + # Initialize the variables with the last vertex + + verts = obj.data.vertices + + val = verts[-1].co * obj.matrix_world + + left, right, front, back, down, up =\ + val[0],\ + val[0],\ + val[1],\ + val[1],\ + val[2],\ + val[2] + + # Test against all other verts + for i in range (len(verts)-1): + + vco = verts[i].co * obj.matrix_world + + # X Range + val = vco[0] + if val < left: + left = val + if val > right: + right = val + + # Y Range + val = vco[1] + if val < front: + front = val + + if val > back: + back = val + + # Z Range + val = vco[2] + if val < down: + down = val + + if val > up: + up = val + return (Vector((left, front, up)), Vector((right, back, down))) -def align_objects(align_x, align_y, align_z, align_mode, relative_to): +def align_objects(align_x, align_y, align_z, align_mode, relative_to, bb_quality): cursor = bpy.context.scene.cursor_location @@ -82,7 +130,11 @@ def align_objects(align_x, align_y, align_z, align_mode, relative_to): for obj, bb_world in objs: - GBB = GlobalBB(bb_world) + if bb_quality: + GBB = GlobalBB_HQ(obj) + else: + GBB = GlobalBB_LQ(bb_world) + Left_Front_Up = GBB[0] Right_Back_Down = GBB[1] @@ -141,7 +193,11 @@ def align_objects(align_x, align_y, align_z, align_mode, relative_to): for obj, bb_world in objs: bb_world = [Vector(v[:]) * obj.matrix_world for v in obj.bound_box] - GBB = GlobalBB(bb_world) + if bb_quality: + GBB = GlobalBB_HQ(obj) + else: + GBB = GlobalBB_LQ(bb_world) + Left_Front_Up = GBB[0] Right_Back_Down = GBB[1] @@ -270,7 +326,7 @@ def align_objects(align_x, align_y, align_z, align_mode, relative_to): return True -from bpy.props import EnumProperty +from bpy.props import EnumProperty, BoolProperty class AlignObjects(bpy.types.Operator): @@ -279,6 +335,11 @@ class AlignObjects(bpy.types.Operator): bl_label = "Align Objects" bl_options = {'REGISTER', 'UNDO'} + bb_quality = BoolProperty( + name="High Quality", + description="Enables high quality calculation of the bounding box for perfect results on complex shape meshes with rotation/scale (Slow)", + default=False) + align_mode = EnumProperty(items=( ('OPT_1', "Negative Sides", ""), ('OPT_2', "Centers", ""), @@ -311,10 +372,10 @@ class AlignObjects(bpy.types.Operator): def execute(self, context): align_axis = self.align_axis - ret = align_objects('X' in align_axis, 'Y' in align_axis, 'Z' in align_axis, self.align_mode, self.relative_to) + ret = align_objects('X' in align_axis, 'Y' in align_axis, 'Z' in align_axis, self.align_mode, self.relative_to, self.bb_quality) if not ret: self.report({'WARNING'}, "No objects with bound-box selected") return {'CANCELLED'} else: - return {'FINISHED'} + return {'FINISHED'} \ No newline at end of file -- 2.28.0