def uniformPointInner(self):
pointA, pointB = random.choices(self.segments,
cum_weights=self.cumulativeLengths)[0]
interpolation = random.random()
x, y = averageVectors(pointA, pointB, weight=interpolation)
if self.orientation is True:
return OrientedVector(x, y, headingOfSegment(pointA, pointB))
else:
return self.orient(Vector(x, y))
def show(self, workspace, plt, highlight=False):
if needsSampling(self):
raise RuntimeError('tried to show() symbolic Object')
pos = self.position
mpos = workspace.langToMapCoords(pos)
if highlight:
# Circle around object
rad = 1.5 * max(self.width, self.height)
c = plt.Circle(mpos, rad, color='g', fill=False)
plt.gca().add_artist(c)
# View cone
ha = self.viewAngle / 2.0
camera = self.position.offsetRotated(self.heading,
self.cameraOffset)
cpos = workspace.langToMapCoords(camera)
for angle in (-ha, ha):
p = camera.offsetRadially(20, self.heading + angle)
edge = [cpos, workspace.langToMapCoords(p)]
x, y = zip(*edge)
plt.plot(x, y, 'b:')
corners = [
workspace.langToMapCoords(corner) for corner in self.corners
]
x, y = zip(*corners)
color = self.color if hasattr(self, 'color') else (1, 0, 0)
plt.fill(x, y, color=color)
#plt.plot(x + (x[0],), y + (y[0],), color="g", linewidth=1)
frontMid = averageVectors(corners[0], corners[1])
baseTriangle = [frontMid, corners[2], corners[3]]
triangle = [averageVectors(p, mpos, weight=0.5) for p in baseTriangle]
x, y = zip(*triangle)
plt.fill(x, y, "w")
plt.plot(x + (x[0], ), y + (y[0], ), color="k", linewidth=1)