testing_bug_intersect.py
Valeri Barashkov (valera)
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Authored By

	Valeri Barashkov (valera)
	Feb 19 2017, 3:16 AM

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testing_bug_intersect.py
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	#
	# SELECT OBJECTS TO TEST INTERSECTION
	# SAME SCRIPT AS ABOVE, JUST DOES NOT COPY MESHES
	#

	import bpy
	import bmesh
	import time

	from mathutils.bvhtree import BVHTree
	from mathutils import Vector
	from random import randint

	scene = bpy.context.scene
	sphere = scene.objects["Sphere"]


	def deleteThis(obj):
	if bpy.context.mode != 'OBJECT':
	print("Error: Change to Object Mode before running script!")
	bpy.ops.object.select_all(action = 'DESELECT')
	bpy.data.objects[obj.name].select = True
	bpy.ops.object.delete(use_global=False)


	def makeBVH(obj):
	bm = bmesh.new()
	bm.from_mesh(obj.data)
	bm.transform(obj.matrix_world)
	obj_bvh = BVHTree.FromBMesh(bm)
	bm.free()

	return obj_bvh


	def isIntersect(target_bvh):
	for o in obj_bvh_list:
	inter = target_bvh.overlap(o)
	if inter != []:
	return True

	return False


	def checkIfSelectedIntersect(objects):
	#check every object for interesection with every other object
	i = 0
	intersections = 0

	for o in objects:
	o_bvh = makeBVH(o)

	for o2 in objects[i:]:
	if o == o2:
	continue

	o2_bvh = makeBVH(o2)

	#get intersecting pairs
	inter = o_bvh.overlap(o2_bvh)

	#if list is empty, no objects are touching
	if inter != []:
	print("{} and {} IS intersecting".format(o.name, o2.name))
	intersections += 1
	else:
	print("{} and {} NOT inter".format(o.name, o2.name))
	i += 1
	print("\nIntersections: ", intersections)


	if __name__ == "__main__":
	print("\nRUNNING....")

	checkIfSelectedIntersect(bpy.context.selected_objects)

	print("FINISHED")