def get_corner_position(p1, p2, p3, val): teta = get_3_points_angle_2d(p1, p2, p3) if False:#(pi - abs(teta)) < 0.001: o3 = get_line_offset(p1,p3,val) position = o3 + p2 else: o1 = get_line_offset(p1,p2,val) o2 = get_line_offset(p2,p3,val) lp1 = Vector((p1.x+o1.x, p1.y+o1.y, 0)) lp2 = Vector((p2.x+o1.x, p2.y+o1.y, 0)) lp3 = Vector((p2.x+o2.x, p2.y+o2.y, 0)) lp4 = Vector((p3.x+o2.x, p3.y+o2.y, 0)) position = get_lines_intersection(lp1,lp2,lp3,lp4) if position == None: # avod the not spected errores position = o1 + p2 return position
def scan(section1, section2):
diva, divb, points = [], [], []
for s1s, s1e in section1:
b1 = segment1.boundingbox(s1s, s1e, 30)
for s2s, s2e in section2:
b2 = segment2.boundingbox(s2s, s2e, 30)
if b1.is_colide_with(b2):
""" devide bonding box untill one of edge smaller than tollerance """
diva = get_devide_range(
s1s, s1e) if b1.width > t and b1.length > t else [[
s1s, s1e
]]
divb = get_devide_range(
s2s, s2e) if b2.width > t and b2.length > t else [[
s2s, s2e
]]
if (b1.width <= t or b1.length <= t) and (b2.width <= t or
b2.length <= t):
""" if both bondig boxes are smaller then tollerance """
""" get line between start and end of each bonding box """
p1 = segment1.get_point_on(s1s)
p2 = segment1.get_point_on(s1e)
p3 = segment2.get_point_on(s2s)
p4 = segment2.get_point_on(s2e)
""" get cros point of lines """
co = get_lines_intersection(p1, p2, p3, p4)
time1 = get_cros_time(s1s, s1e, p1, p2, co)
time2 = get_cros_time(s2s, s2e, p3, p4, co)
points.append(
CurveIntersectionPoint(segment1, time1, segment2,
time2, co))
else:
""" rescan divided boxes """
points += scan(diva, divb)
""" remove doubles """
retpoints = []
for p in points:
overlap = False
for r in retpoints:
if get_distance(p.co, r.co) < tollerance / 10:
overlap = True
break
if not overlap:
retpoints.append(p)
return retpoints