29 lines
516 B
C
29 lines
516 B
C
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#define MARK_ADJUST 1
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uniform float4 markswitch_current;
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uniform float4 markswitch_count;
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int mark_sides()
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{
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int sides = 1;
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while (sides * sides < int(markswitch_count.x))
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{
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sides += 1;
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}
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return sides;
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}
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float2 mark_adjust(float2 pos)
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{
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int sides = mark_sides();
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float d_x = int(markswitch_current.x) % sides;
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float d_y = int(markswitch_current.x) / sides;
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float p_x = clamp(d_x + pos.x, d_x, d_x + 1) / sides;
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float p_y = clamp(d_y + pos.y, d_y, d_y + 1) / sides;
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return float2(p_x, p_y);
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}
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