def __init__(self):
self.original = pygame.Surface((size, size), SRCALPHA)
self.color = (random.randint(0, 255), random.randint(0, 255),
random.randint(0, 255))
pygame.draw.polygon(self.original, self.color,
((0, 0 + margin), (0, size - margin),
(size, size / 2)))
self.pos = self.original.get_rect()
self.pos = [random.randint(0, width), random.randint(0, height)]
self.vel = v2.Vector()
self.accel = v2.Vector()
self.vel.setVectorC(random.randint(-5, 5), random.randint(-5, 5))
self.accel.setVectorC(0, 0)
self.radius = radius
self.angle = self.vel.getAngle()
tempBoids.remove(me)
proximity = []
for others in tempBoids:
x1, y1 = me.pos
x2, y2 = others.pos
if (x1 - x2)**2 + (y1 - y2)**2 < radius**2:
proximity.append(others)
me.proximity = proximity
#if there is anything in the boid's proximity, it Tries to align, avoid bumping, and generally move towards mean position
if me.proximity:
#alignment with direction of other boids
sum_an1 = 0
sum_an2 = 0
for x in me.proximity:
remVel = v2.Vector()
remVel.setVectorC(0, 0)
remVel = v2.addVects(remVel, x.vel)
if remVel.getMag():
remVel.setMag(1 / remVel.getMag())
sum_an1 += remVel.components[0]
sum_an2 += remVel.components[1]
sum_an1 /= len(me.proximity)
sum_an2 /= len(me.proximity)
angVector = v2.Vector()
angVector.setVectorC(sum_an1, sum_an2)
me.avgAngle = angVector.getAngle() #Average angle for neighbors
me.accel.setVectorA(me.avgAngle, 1)
#seperation
me_post = (me.pos[0], me.pos[1])