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import random
import pyglet
window = pyglet.window.Window(vsync=False)
# Set example resource path.
pyglet.resource.path = ['../resources']
pyglet.resource.reindex()
# Load example image from resource path.
# Avoid using pyglet.image.load as it creates multiple textures.
# Resource will load images into a texture atlas, allowing significantly faster performance.
image = pyglet.resource.image("pyglet.png")
# Anchor point on an image is bottom left corner by default.
# Set to center point with anchor properties.
image.anchor_x = image.width // 2
image.anchor_y = image.height // 2
# Batching allows rendering groups of objects all at once instead of drawing one by one.
batch = pyglet.graphics.Batch()
scales = [1.0, 0.75, 0.5, 0.25]
sprites = []
# Create 1000 sprites at various scales.
for i in range(1000):
sprite = pyglet.sprite.Sprite(image,
x=random.randint(0, window.width),
y=random.randint(0, window.height),
batch=batch) # specify the batch to enter the sprites in.
# Randomize scale.
sprite.scale = random.choice(scales)
# Random color multiplier.
sprite.color = (random.randint(0, 255), random.randint(0, 255), random.randint(0, 255))
# Add sprites to keep in memory, like a list. Otherwise they will get GC'd when out of scope.
sprites.append(sprite)
@window.event
def on_draw():
window.clear()
batch.draw()
pyglet.app.run()
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