Hi everyone,
here’s a simple script to show objects which have intersecting collision masks and groups in the engine, which also have matching physics type (i.e Static<->Dynamic, rather than Static<->Static). Simple run it once to show a new drop down menu in the Physics Properties.
# ##### BEGIN GPL LICENSE BLOCK ######
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
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# along with this program; if not, write to the Free Software Foundation,
# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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# ##### END GPL LICENSE BLOCK #####
import bpy
bl_info = {
"name": "Show Physics Relations",
"description": "Displays GameObjects whose masks and groups intersect.",
"author": "Angus Hollands",
"version": (1, 0, 1),
"blender": (2, 71, 0),
"api": 56945,
"location": "PROPERTIES_EDITOR > PHYSICS > MATCHING_COLLIDERS",
"warning": "",
"wiki_url": "",
"tracker_url": "",
"category": "Game Engine"}
def mask_intersection(mask, group):
for m, g in zip(mask, group):
if m and g:
return True
return False
@bpy.app.handlers.persistent
def update(scene):
obj = scene.objects.active
obj.matching_colliders.clear()
obj_game = obj.game
no_physics_set = {'NO_COLLISION', 'NAVMESH', 'OCCLUDE'}
no_collision_when_equal = ('STATIC', 'SENSOR')
for other in scene.objects:
if other == obj:
continue
other_game = other.game
obj_collision_type = obj_game.physics_type
other_collision_type = other_game.physics_type
if not mask_intersection(other_game.collision_mask, obj_game.collision_group):
continue
if not mask_intersection(obj_game.collision_mask, other_game.collision_group):
continue
# Same physics type
if obj_collision_type == other_collision_type:
if obj_collision_type in no_collision_when_equal:
continue
if no_physics_set.intersection((obj_collision_type, other_collision_type)):
continue
entry = obj.matching_colliders.add()
entry.name = other.name
def draw(self, context):
layout = self.layout
obj = context.object
layout.label("Matching Colliders")
layout.template_list("OBJECT_UL_physics_matching_colliders", "collider_matches", obj, "matching_colliders", obj,
"matching_collider")
class GroupItem(bpy.types.PropertyGroup):
pass
class OBJECT_UL_physics_matching_colliders(bpy.types.UIList):
def draw_item(self, context, layout, data, item, icon_value, active_data, active_propname):
obj = item
icon = 'OBJECT_DATA'
if self.layout_type in {'GRID'}:
layout.alignment = 'CENTER'
layout.label(text=obj.name, icon=icon)
def register():
bpy.utils.register_module(__name__)
bpy.types.Object.matching_colliders = bpy.props.CollectionProperty(type=GroupItem)
bpy.types.Object.matching_collider = bpy.props.IntProperty()
bpy.types.PHYSICS_PT_game_physics.append(draw)
bpy.app.handlers.scene_update_pre.append(update)
def unregister():
bpy.types.PHYSICS_PT_game_physics.remove(draw)
bpy.utils.unregister_module(__name__)
bpy.app.handlers.scene_update_pre.remove(update)
if __name__ == "__main__":
register()
Alternatively, here’s an add-on version.
physics_relations.zip (3.75 KB)
