mirror of
git://projects.qi-hardware.com/iris.git
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50 lines
1.1 KiB
Plaintext
50 lines
1.1 KiB
Plaintext
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#pypp 0
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#include <iris.hh>
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#include <devices.hh>
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static unsigned *framebuffer
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static int const r = 10
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void ball (int x, int y, bool print):
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static unsigned bg
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static unsigned count
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for int ty = y - r; ty < y + r; ++ty:
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if ty < 0 || ty >= 240:
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continue
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for int tx = x - r; tx < x + r; ++tx:
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if tx < 0 || tx >= 320:
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continue
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if (x - tx) * (x - tx) + (y - ty) * (y - ty) > r * r:
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continue
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framebuffer[ty * 320 + tx] = (print ? 0xffffff : bg)
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if ++count >= 30:
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bg += 0x010307
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count = 0
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Kernel::Num start ():
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Kernel::my_parent.init_done ()
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framebuffer = (unsigned *)0x15000
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Kernel::Caps caps = Kernel::my_parent.get_device <Display> ()
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Display display = caps.get (0)
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int x = r, y = r, dx = 3, dy = 0
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Kernel::Cap eof = Kernel::my_receiver.create_capability (0)
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while true:
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display.set_eof_cb (eof)
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Kernel::wait ()
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ball (x, y, false)
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x += dx
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y += dy
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if y + r >= 240:
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dy = -dy
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y = 240 - r
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if x - r < 0:
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x = r
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dx = -dx
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if x + r >= 320:
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x = 320 - r
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dx = -dx
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if y == 240 - r && dy == 0:
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dy = -21
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++dy
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ball (x, y, true)
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