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Merge pull request #917 from Turbo87/segment-distance

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Geometry: Added distanceSquaredToSegment() function
This commit is contained in:
ahocevar
2013-03-25 12:30:05 -07:00
parent cae4df3ce7 6b79391b5e
commit 63ea10a916
2 changed files with 38 additions and 11 deletions
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13
tests/Geometry.html
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@@ -257,24 +257,23 @@
var cases = [{
got: dist({x: 0, y: 0}, {x1: 0, y1: 1, x2: 1, y2: 1}),
expected: {distance: 1, x: 0, y: 1}
expected: {distance: 1, x: 0, y: 1, along: 0}
}, {
got: dist({x: 0, y: 0}, {x1: -1, y1: -1, x2: 0, y2: -1}),
expected: {distance: 1, x: 0, y: -1}
expected: {distance: 1, x: 0, y: -1, along: 1}
}, {
got: dist({x: 0, y: 0}, {x1: -1, y1: -1, x2: 1, y2: 1}),
expected: {distance: 0, x: 0, y: 0}
expected: {distance: 0, x: 0, y: 0, along: 0.5}
}, {
got: dist({x: 1, y: 1}, {x1: 2, y1: 0, x2: 2, y2: 3}),
expected: {distance: 1, x: 2, y: 1}
expected: {distance: 1, x: 2, y: 1, along: 1/3.}
}, {
got: dist({x: -1, y: -1}, {x1: -2, y1: -2, x2: -1, y2: -3}),
expected: {distance: Math.sqrt(2), x: -2, y: -2}
expected: {distance: Math.sqrt(2), x: -2, y: -2, along: 0}
}, {
got: dist({x: -1, y: 1}, {x1: -3, y1: 1, x2: -1, y2: 3}),
expected: {distance: Math.sqrt(2), x: -2, y: 2}
expected: {distance: Math.sqrt(2), x: -2, y: 2, along: 0.5}
}];
t.plan(cases.length);
for(var i=0; i<cases.length; ++i) {
t.eq(cases[i].got, cases[i].expected, "case " + i);