def move(self):
#update position based on new heading
### we now have a property in "energy" that determines how far the bird can travel (in behavioral space) each time step
### we might understand this as 'enthusiasm', or 'behavioral engagement in workplace culture'
self.position = Point3d.Add(self.position, self.heading * self.energy)
### leave points behind for later analysis if the bird is feeling welcome or unwelcome
if self.inclusion > .25:
self.inclusiveTrail.append(self.position)
else:
self.exclusiveTrail.append(self.position)
def cohere(self, others):
#find average point of all other Boids
centerPoint = others.pop(0).position
for other in others:
centerPoint = Point3d.Add(centerPoint, other.position)
centerPoint = Point3d.Divide(centerPoint, numBoids - 1)
#find direction from Boid to average point of all other Boids
direction = Point3d.Subtract(centerPoint, self.position)
#remove magnitude from average-seeking vector
direction = Vector3d.Divide(direction, direction.Length)
#adapt heading to new direction
self.heading = Vector3d.Add(direction, self.heading)
def move(self):
self.position = Point3d.Add(self.position, self.velocity)
self.trail.append(self.position)
self.trail = self.trail[-5:]
