ffrgb /
meshviewer
| Conditions | 1 |
| Paths | 1 |
| Total Lines | 31 |
| Lines | 0 |
| Ratio | 0 % |
| Changes | 4 | ||
| Bugs | 0 | Features | 0 |
| 1 | define(function () { |
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| 2 | let self = this; |
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| 3 | |||
| 4 | self.distance = function distance(a, b) { |
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| 5 | return Math.pow(a.x - b.x, 2) + Math.pow(a.y - b.y, 2); |
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| 6 | }; |
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| 7 | |||
| 8 | self.distancePoint = function distancePoint(a, b) { |
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| 9 | return Math.sqrt(distance(a, b)); |
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| 10 | }; |
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| 11 | |||
| 12 | self.distanceLink = function distanceLink(p, a, b) { |
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| 13 | /* http://stackoverflow.com/questions/849211 */ |
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| 14 | let l2 = distance(a, b); |
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| 15 | if (l2 === 0) { |
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| 16 | return distance(p, a); |
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| 17 | } |
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| 18 | let t = ((p.x - a.x) * (b.x - a.x) + (p.y - a.y) * (b.y - a.y)) / l2; |
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| 19 | if (t < 0) { |
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| 20 | return distance(p, a); |
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| 21 | } else if (t > 1) { |
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| 22 | return distance(p, b); |
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| 23 | } |
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| 24 | return distancePoint(p, { |
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| 25 | x: a.x + t * (b.x - a.x), |
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| 26 | y: a.y + t * (b.y - a.y) |
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| 27 | }); |
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| 28 | }; |
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| 29 | |||
| 30 | return self; |
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| 31 | }); |
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| 32 |
