def mindistance(self, point):
distlist = []
for vertex in self.vertices:
distlist.append(Point.dist(point, vertex))
if distlist:
return min(distlist)
else:
return None
def closestvertex(self, point):
distlist = []
for vertex in self.vertices:
distlist.append(Point.dist(point, vertex))
if distlist:
index = distlist.index(min(distlist))
return self.vertices[index]
else:
return None
def borderPaint(self):
q = QPainter()
for vertex in self.vertices:
q.begin(self)
brush = QBrush(Qt.BDiagPattern)
pen = QPen(Qt.black, 1, Qt.DashLine)
if self.pos and Point.dist(Point(self.pos.x(), self.pos.y()), vertex) <= 100:
q.setBrush(brush)
q.setPen(pen)
q.drawEllipse(vertex.myQPoint(), 100, 100)
q.end()
def finishTheRoad(self, v):
for point in self.pointList:
d = Point.dist(self.previous(point), point)
if d == 0.0:
self.pointList.remove(point)
points = self.pointList.copy()
road = self.newroad
road.found(points, v)
self.roads.append(road)
self.pointList.clear()
self.signal.switch.emit()
self.pos = None
def sidecurve(points, l):
points1 = []
points2 = []
n = 10
for i in range(n, len(points) - n):
if onLine(points[i - n], points[i], points[i + n]) == False:
p = center(points[i - n], points[i], points[i + n])
p1 = Point(round(points[i].x() + (p.x() - points[i].x())*l/Point.dist(points[i], p)), round(points[i].y() + (p.y() - points[i].y())*l/Point.dist(points[i], p)))
p2 = Point(round(points[i].x() - (p.x() - points[i].x()) * l / Point.dist(points[i], p)),
round(points[i].y() - (p.y() - points[i].y()) * l / Point.dist(points[i], p)))
if lower(points[i-n], points[i], p1):
points1.append(p1)
points2.append(p2)
else:
points1.append(p2)
points2.append(p1)
else:
n1 = points[i].y() - points[i - n].y()
n2 = points[i - n].x() - points[i].x()
#print(n1, n2)
mod = (n1 ** 2 + n2 ** 2) ** 0.5
p1 = Point(round(points[i].x() - n1 * l / mod), round(points[i].y() - n2 * l / mod))
p2 = Point(round(points[i].x() + n1 * l / mod), round(points[i].y() + n2 * l / mod))
#print(p1, p2)
#if lower(points[i - 2], points[i], points1[-1]) == lower(points[i - 2], points[i], p1):
if lower(points[i - n], points[i], p1):
points1.append(p1)
points2.append(p2)
else:
points1.append(p2)
points2.append(p1)
#else:
# points1.append(p2)
# points2.append(p1)
return [points1, points2]
def moveAndDraw(self, event):
m = 1
point = Point(event.x(), event.y())
distance_from_previous_point = Point.dist(point, self.basepoint)
self.pos = event.pos()
if distance_from_previous_point >= m:
if distance_from_previous_point >= 2*m:
cos = (point.x() - self.basepoint.x()) / distance_from_previous_point
sin = (point.y() - self.basepoint.y()) / distance_from_previous_point
point = Point(self.basepoint.x() + round(cos), self.basepoint.y() + round(sin))
for i in range(m, math.ceil(distance_from_previous_point), m):
self.pointList.append(point)
point = Point(self.basepoint.x() + round(cos*i), self.basepoint.y() + round(sin*i))
self.pointList.append(point)
self.basepoint = point
if self.mindistance(point) <= 20 and len(self.pointList) >= 50:
v = self.closestvertex(point)
self.pointList.append(Point(v.x(), v.y()))
self.finishTheRoad(v)
