grass_tile.py

import pyglet
import sys
import random
from drawable import Drawable
from tile import Tile
from grass_tuft import GrassTuft

class GrassTile(Tile):

  def __init__(self, game, tx, ty, group):
    super().__init__(game, tx, ty, group, 'grass')
    self.group = group
    self.tx = tx
    self.ty = ty
    self.grass_tufts = []
    for i in range(random.randint(0, 2)):
      self.spawn_grass()

  def spawn_grass(self, anim=False, tx=None, ty=None):
    tx_offset, ty_offset = 0, 0
    blades = (random.randint(0,1) == 0)

    if not tx and not ty:
      tx = self.tx
      ty = self.ty
      tx_offset, ty_offset = tuple(self.random_offset(blades) for _ in range(2))


    group = self.game.world.group_for(ty+ty_offset)
    self.grass_tufts.append(GrassTuft(self.game, tx+tx_offset, ty+ty_offset, self.group, blades, anim))

  def random_offset(self, blades=False):
    if blades:
      return random.random() * 0.6
    return random.random() * 0.85 + 0.05

  def update(self, dt):
    Drawable.handle_deletion(self.grass_tufts)

    for tuft in self.grass_tufts:
      tuft.update(dt)