63 lines
1.3 KiB
Python
63 lines
1.3 KiB
Python
import time
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import random
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import picodisplay as display
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width = display.get_width()
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height = display.get_height()
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display_buffer = bytearray(width * height * 2) # 2-bytes per pixel (RGB565)
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display.init(display_buffer)
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display.set_backlight(1.0)
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class Ball:
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def __init__(self, x, y, r, dx, dy, pen):
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self.x = x
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self.y = y
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self.r = r
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self.dx = dx
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self.dy = dy
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self.pen = pen
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# initialise shapes
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balls = []
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for i in range(0, 100):
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r = random.randint(0, 10) + 3
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balls.append(
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Ball(
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random.randint(r, r + (width - 2 * r)),
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random.randint(r, r + (height - 2 * r)),
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r,
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(14 - r) / 2,
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(14 - r) / 2,
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display.create_pen(random.randint(0, 255), random.randint(0, 255), random.randint(0, 255)),
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)
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)
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while True:
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display.set_pen(40, 40, 40)
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display.clear()
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for ball in balls:
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ball.x += ball.dx
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ball.y += ball.dy
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xmax = width - ball.r
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xmin = ball.r
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ymax = height - ball.r
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ymin = ball.r
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if ball.x < xmin or ball.x > xmax:
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ball.dx *= -1
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if ball.y < ymin or ball.y > ymax:
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ball.dy *= -1
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display.set_pen(ball.pen)
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display.circle(int(ball.x), int(ball.y), int(ball.r))
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display.update()
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time.sleep(0.01)
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