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85 lines
2.5 KiB
85 lines
2.5 KiB
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import pygame as pg
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from .. import setup
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from .. import constants as c
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from . import score
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class Coin(pg.sprite.Sprite):
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"""Coins found in boxes and bricks"""
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def __init__(self, x, y, score_group):
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pg.sprite.Sprite.__init__(self)
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self.sprite_sheet = setup.GFX['item_objects']
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self.frames = []
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self.frame_index = 0
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self.animation_timer = 0
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self.state = c.SPIN
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self.setup_frames()
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self.image = self.frames[self.frame_index]
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self.rect = self.image.get_rect()
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self.rect.centerx = x
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self.rect.bottom = y - 5
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self.gravity = 1
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self.y_vel = -15
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self.initial_height = self.rect.bottom - 5
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self.score_group = score_group
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def get_image(self, x, y, width, height):
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"""Get the image frames from the sprite sheet"""
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image = pg.Surface([width, height]).convert()
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rect = image.get_rect()
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image.blit(self.sprite_sheet, (0, 0), (x, y, width, height))
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image.set_colorkey(c.BLACK)
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image = pg.transform.scale(image,
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(int(rect.width*c.SIZE_MULTIPLIER),
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int(rect.height*c.SIZE_MULTIPLIER)))
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return image
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def setup_frames(self):
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"""create the frame list"""
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self.frames.append(self.get_image(52, 113, 8, 14))
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self.frames.append(self.get_image(4, 113, 8, 14))
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self.frames.append(self.get_image(20, 113, 8, 14))
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self.frames.append(self.get_image(36, 113, 8, 14))
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def update(self, game_info, viewport):
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"""Update the coin's behavior"""
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self.current_time = game_info[c.CURRENT_TIME]
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self.viewport = viewport
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if self.state == c.SPIN:
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self.spinning()
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def spinning(self):
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"""Action when the coin is in the SPIN state"""
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self.image = self.frames[self.frame_index]
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self.rect.y += self.y_vel
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self.y_vel += self.gravity
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if (self.current_time - self.animation_timer) > 80:
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if self.frame_index < 3:
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self.frame_index += 1
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else:
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self.frame_index = 0
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self.animation_timer = self.current_time
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if self.rect.bottom > self.initial_height:
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self.kill()
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self.score_group.append(score.Score(self.rect.centerx - self.viewport.x,
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self.rect.y,
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200))
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