87 lines
2.1 KiB
Python
87 lines
2.1 KiB
Python
import pygame
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import math
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spritesheets = []
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class SpriteSheet():
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file = ""
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start = 0
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end = 0
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speed = 0
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clock = 0
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frames = []
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frame_total = 0
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frame_index = None
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frame = None
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def __init__(self, texture, frameWidth, frameHeight = None):
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self.file = texture
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frameHeight = frameHeight or frameWidth
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width = texture.get_width()
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height = texture.get_height()
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xframes = math.floor(width / frameWidth)
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yframes = math.floor(height / frameHeight)
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total = xframes * yframes
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x = 0
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y = 0
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for _ in range(total):
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surface = pygame.Surface((frameWidth, frameHeight), pygame.SRCALPHA, 32)
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surface.blit(texture, (0, 0), (frameWidth * x, frameHeight * y, width, height))
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self.frames.append(surface.copy())
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x = (x + 1) % xframes
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if x % xframes == 0:
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y += 1
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self.width = frameWidth
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self.height = frameHeight
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self.xframes = xframes
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self.yframes = yframes
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self.frame_total = total
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self.frame_index = 0
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self.frame = self.frames[self.frame_index]
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self.start = 0
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self.end = total - 1
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self.speed = 0.05
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spritesheets.append(self)
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def minmax(self, frame):
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return min(max(0, frame), self.xframes * self.yframes - 1)
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def set_animation(self, start, end, speed):
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if self.start == start and self.end == end:
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return
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self.start = self.minmax(start)
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self.end = self.minmax(end)
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self.speed = max(0, speed)
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self.frame_index = self.start
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self.frame = self.frames[self.frame_index]
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self.clock = 0
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def update(self, dtime):
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self.clock += dtime
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if self.clock >= self.speed:
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self.clock = self.clock - self.speed
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self.frame_index = max(self.start, (self.frame_index + 1) % (self.end + 1))
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self.frame = self.frames[self.frame_index]
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def update(dtime):
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for spritesheet in spritesheets:
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spritesheet.update(dtime)
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