def pursuit(self, evader):
evader.mode = 'wander'
## OPTIONAL EXTRA... pursuit (you'll need something to pursue!)
self.toEvader = evader.pos - self.pos
self.relHeading = Vector2D.dot(evader.heading, self.heading)
if(Vector2D.dot(self.toEvader, self.heading) > 0 and self.relHeading < -0.95):
return self.seek(evader.pos)
lookAheadTime = Vector2D.length(self.toEvader) / (self.max_speed + evader.speed())
return self.seek(evader.pos + evader.vel * lookAheadTime)
def pursuit(self, evader):
''' this behaviour predicts where an agent will be in time T and seeks
towards that point to intercept it. '''
evader.mode = 'flee'
## OPTIONAL EXTRA... pursuit (you'll need something to pursue!)
self.toEvader = evader.pos - self.pos
self.relHeading = Vector2D.dot(evader.heading, self.heading)
if(Vector2D.dot(self.toEvader, self.heading) > 0 and self.relHeading < -0.95):
return self.seek(evader.pos)
lookAheadTime = Vector2D.length(self.toEvader) / (self.max_speed + evader.speed())
return self.seek(evader.pos + evader.vel * lookAheadTime)
def pursuit(self, evader):
''' this behaviour predicts where an agent will be in time T and seeks
towards that point to intercept it. '''
evader.mode = 'flee'
## OPTIONAL EXTRA... pursuit (you'll need something to pursue!)
self.toEvader = evader.pos - self.pos
self.relHeading = Vector2D.dot(evader.heading, self.heading)
if (Vector2D.dot(self.toEvader, self.heading) > 0
and self.relHeading < -0.95):
return self.seek(evader.pos)
lookAheadTime = Vector2D.length(
self.toEvader) / (self.max_speed + evader.speed())
return self.seek(evader.pos + evader.vel * lookAheadTime)