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23 lines
534 B
Lua
23 lines
534 B
Lua
%import textio
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%import floats
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%zeropage floatsafe
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; Note: this program can be compiled for multiple target systems.
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main {
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sub start() {
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float ball_t
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ubyte ball_color
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repeat {
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ubyte xx=(floats.sin(ball_t) * txt.DEFAULT_WIDTH/2.1) + txt.DEFAULT_WIDTH/2.0 as ubyte
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ubyte yy=(floats.cos(ball_t*1.1356) * txt.DEFAULT_HEIGHT/2.1) + txt.DEFAULT_HEIGHT/2.0 as ubyte
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txt.setcc(xx, yy, 81, ball_color)
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ball_t += 0.08
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ball_color++
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}
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}
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}
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