111 lines
2.6 KiB
Python
111 lines
2.6 KiB
Python
#!/usr/bin/env python
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""" pygame.examples.sprite_texture
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Experimental! Uses APIs which may disappear in the next release (_sdl2 is private).
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Hardware accelerated Image objects with pygame.sprite.
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_sdl2.video.Image is a backwards compatible way with to use Texture with
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pygame.sprite groups.
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"""
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import os
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import pygame as pg
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if pg.get_sdl_version()[0] < 2:
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raise SystemExit("This example requires pygame 2 and SDL2.")
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from pygame._sdl2 import Window, Texture, Image, Renderer
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data_dir = os.path.join(os.path.split(os.path.abspath(__file__))[0], "data")
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def load_img(file):
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return pg.image.load(os.path.join(data_dir, file))
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pg.display.init()
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pg.key.set_repeat(10, 10)
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win = Window("asdf", resizable=True)
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renderer = Renderer(win)
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tex = Texture.from_surface(renderer, load_img("alien1.gif"))
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class Something(pg.sprite.Sprite):
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def __init__(self, img):
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pg.sprite.Sprite.__init__(self)
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self.rect = img.get_rect()
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self.image = img
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self.rect.w *= 5
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self.rect.h *= 5
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img.origin = self.rect.w / 2, self.rect.h / 2
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sprite = Something(Image(tex, (0, 0, tex.width / 2, tex.height / 2)))
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sprite.rect.x = 250
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sprite.rect.y = 50
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# sprite2 = Something(Image(sprite.image))
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sprite2 = Something(Image(tex))
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sprite2.rect.x = 250
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sprite2.rect.y = 250
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sprite2.rect.w /= 2
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sprite2.rect.h /= 2
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group = pg.sprite.Group()
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group.add(sprite2)
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group.add(sprite)
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import math
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t = 0
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running = True
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clock = pg.time.Clock()
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renderer.draw_color = (255, 0, 0, 255)
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while running:
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for event in pg.event.get():
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if event.type == pg.QUIT:
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running = False
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elif event.type == pg.KEYDOWN:
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if event.key == pg.K_ESCAPE:
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running = False
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elif event.key == pg.K_LEFT:
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sprite.rect.x -= 5
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elif event.key == pg.K_RIGHT:
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sprite.rect.x += 5
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elif event.key == pg.K_DOWN:
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sprite.rect.y += 5
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elif event.key == pg.K_UP:
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sprite.rect.y -= 5
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renderer.clear()
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t += 1
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img = sprite.image
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img.angle += 1
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try:
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img.flip_x = t % 50 < 25
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img.flip_y = t % 100 < 50
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except AttributeError:
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# backwards compatibility for <=2.1.2
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img.flipX = t % 50 < 25
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img.flipY = t % 100 < 50
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img.color[0] = int(255.0 * (0.5 + math.sin(0.5 * t + 10.0) / 2.0))
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img.alpha = int(255.0 * (0.5 + math.sin(0.1 * t) / 2.0))
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# img.draw(dstrect=(x, y, 5 * img.srcrect['w'], 5 * img.srcrect['h']))
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group.draw(renderer)
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renderer.present()
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clock.tick(60)
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win.title = str(f"FPS: {clock.get_fps()}")
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pg.quit()
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