41 lines
914 B
Plaintext
41 lines
914 B
Plaintext
//
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// MiniFocusTest.ls
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//
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// Draw a scale of -10..0..+10 focus lines.
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//
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// (c) 2016, juergen@fabmail.org
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// Distribute under GPL-2.0 or ask.
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//
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scale=2.0
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x_off=2.0
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y_off=2.0
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function move_s(x, y) { move(x*scale+x_off, y*scale+y_off); }
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function line_s(x, y) { line(x*scale+x_off, y*scale+y_off); }
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function set_mark()
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{
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set("power", 5);
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set("speed", 100); // marking text
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}
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// hor. focus_test (left hand side)
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for (var f = -10; f < 11; f++)
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{
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set("focus", f);
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var h = 0; if (f % 5) h += 3;
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move_s(10+f,h); line_s(10+f,7);
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}
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set("focus", 0);
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move_s(2.5-1, 1.5); line_s(2.5+1, 1.5); // -
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move_s(2.5+1.5, 1.5); line_s(2.5,0); line_s(2.5-1.5, 1.5);
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for (var i = 1; i < 6; i++)
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{
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move_s(10-i, 0); line_s(10, 3); line_s(10+i, 0); // <<<<
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}
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move_s(17.5-1, 1.5); line_s(17.5+1, 1.5); move_s(17.5,0.5); line_s(17.5,2.5); // +
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move_s(17.5+1.5, 1.5); line_s(17.5+0, 3); line_s(17.5-1.5, 1.5);
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