13 lines
309 B
JavaScript
13 lines
309 B
JavaScript
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export default function(parent, x0, y0, x1, y1) {
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var nodes = parent.children,
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node,
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i = -1,
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n = nodes.length,
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k = parent.value && (y1 - y0) / parent.value;
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while (++i < n) {
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node = nodes[i], node.x0 = x0, node.x1 = x1;
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node.y0 = y0, node.y1 = y0 += node.value * k;
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}
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}
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