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 align(self, others):
#generate list of other Boid headings
headings = [other.heading for other in others]
#empty vector creation
uberVector = Vector3d(0.0, 0.0, 0.0)
#add up all headings
for heading in headings:
uberVector = Vector3d.Add(uberVector, heading)
#remove magnitude from sum of all headings
uberVector = Vector3d.Divide(uberVector, uberVector.Length)
#set Boids heading to aligned vector
self.heading = uberVector