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25 lines
494 B
25 lines
494 B
4 months ago
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function alpha(value, color) {
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return value << 24 | (color & 0x00FFFFFF);
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}
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function argb(a, r, g, b) {
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return a << 24 | r << 16 | g << 8 | b;
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}
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function assert(condition) {
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if (!condition) debugger;
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}
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function isAlpha(code) {
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return (code > 64 && code < 91) // upper alpha (A-Z)
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|| (code > 96 && code < 123); // lower alpha (a-z)
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}
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function isArray(a) {
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return a.constructor === Array;
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}
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function rgb(r, g, b) {
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return 0xFF << 24 | r << 16 | g << 8 | b;
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}
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