28 lines
854 B
Python
28 lines
854 B
Python
import math
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import pygame
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class Particle:
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def __init__(self, speed, size, perm, rest):
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self.speed = speed
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self.size = size
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self.perm = perm
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self.rest = rest
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self.volume = (4/3.0) * math.pi * size * size * size
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self.distance = 0
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def move(self, time_interval, scale, left_limit, right_limit, screen, height):
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self.distance += (self.speed * time_interval) / scale
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if self.distance + left_limit + (self.size / (2 * scale)) > right_limit:
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self.distance = 0
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pygame.draw.circle(screen, (255,225,255), (left_limit + self.distance, height / 2), self.size / (2 * scale))
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def partialVol(self, height):
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partialVol = (1/3) * math.pi * height * height * ((3 * self.size) - height)
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return partialVol
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def updateSize(self, size):
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self.size = size
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self.volume = (4/3) * math.pi * size * size * size
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