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https://github.com/Ttanasart-pt/Pixel-Composer.git
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36 lines
1 KiB
Text
36 lines
1 KiB
Text
function sprite_pack_bottom_left(rectangles, height = 999999) {
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var packedRectangles = [];
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var maxW = 0;
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var maxH = 0;
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array_sort(rectangles, function(a, b) { return b.h - a.h; });
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var xx = 0;
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for (var i = 0; i < array_length(rectangles); i++) {
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var rect = rectangles[i];
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var placed = false;
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for (var j = 0; j < array_length(packedRectangles); j++) {
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var packedRect = packedRectangles[j];
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if (packedRect.w >= rect.w && packedRect.h + rect.h <= height) {
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rect.x = packedRect.x;
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rect.y = packedRect.y + packedRect.h;
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packedRect.h += rect.h;
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placed = true;
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break;
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}
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}
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if (!placed) {
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rect.x = xx;
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rect.y = 0;
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xx += rect.w;
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array_push(packedRectangles, rect.clone());
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}
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maxW = max(maxW, rect.x + rect.w);
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maxH = max(maxH, rect.y + rect.h);
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}
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return [ new Rectangle(0, 0, maxW, maxH), rectangles ];
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}
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