forked from AbleOS/ableos
26 lines
894 B
Plaintext
26 lines
894 B
Plaintext
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.{rect_line} := @use("../draw.hb");
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.{present, create_buffer, clear} := @use("../lib.hb")
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/* expected result:
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the impostor travels left and loops around the screen */
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example := fn(): void {
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// Creates a back buffer, which we write to, to avoid screen flickering
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buffer := create_buffer()
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x := 0
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loop {
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// draw all our shapes to the back buffer
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rect_line(buffer, .(200 - x, 80), .(430, 380), .(0, 0, 255, 0), 1)
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rect_line(buffer, .(630 - x, 120), .(120, 300), .(0, 0, 255, 0), 1)
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rect_line(buffer, .(200 - x, 460), .(160, 270), .(0, 0, 255, 0), 1)
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rect_line(buffer, .(470 - x, 460), .(160, 270), .(0, 0, 255, 0), 1)
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rect_line(buffer, .(140 - x, 140), .(340, 250), .(255, 255, 0, 0), 1)
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/* push the back buffer to the front buffer
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this displays our image to the screen */
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present(buffer)
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// erase our old image
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clear(buffer, .(0, 0, 0, 0))
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x += 1
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}
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return
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}
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