def movepoints(self):
for object in self.objects:
for point in object:
# Gets the vector from the old pos to the new pos
# Multiplies it by the friction value to act as air resistance and friction
velocity = (point - point.old) * self.friction
self.evManager.push(MoveEvent(velocity.length()))
# Sets the new old position the current new position
point.old = Vectors.Vector3d(*point.list())
# Gets the new position. Adds the gravity vector and mulplies by the nodes w value
# A W value of 1 means that the point is normal and acts normally
# A W value of 0 means that the point is 'pinned' and can't move
newposition = point + (velocity + self.grav) * point.w
# Sets the new node position
point.x = newposition.x
point.y = newposition.y
point.z = newposition.z
def findCentre(self):
meanX = sum([node.x for node in self.nodes]) / len(self.nodes)
meanY = sum([node.y for node in self.nodes]) / len(self.nodes)
meanZ = sum([node.z for node in self.nodes]) / len(self.nodes)
return Vectors.Vector3d(meanX, meanY, meanZ)
