def get_normal(a,b,v):
global points
predict=v.velocity.get()
predict.setMag(50)
predict.add(v.location)
predict.sub(a)
alongpath=Pvector(b.x-a.x,b.y-a.y)
alongpath.norm()
mag=predict.dot(alongpath)
alongpath.mult(mag)
alongpath.add(a)
if points.points[-1].x>points.points[0].x:
if alongpath.x>b.x or alongpath.x<a.x:
alongpath=b.get()
else:
if alongpath.x<b.x or alongpath.x>a.x:
alongpath=b.get()
return alongpath
def seperate(self,others):
sum=Pvector(0,0)
count=0
for v in others:
loc=self.location.get()
loc.sub(v.location)
d=loc.magnitude()
if d>0 and d<50:
loc.mult(1/d)
sum.add(loc)
count=count+1
if count!=0:
sum.mult(1/count)
sum.norm()
sum.mult(self.maxspeed)
sum.sub(self.velocity)
sum.limit(self.maxforce)
return sum
