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Use goog.math.lerp in ol.geom.flat.lineStringInterpolate

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Tom Payne
2014-03-12 11:09:23 +01:00
parent 86dc90ceca
commit 76779c175f
1 changed files with 4 additions and 3 deletions
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src/ol/geom/flatgeom.js
+4 -3
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@@ -288,9 +288,10 @@ ol.geom.flat.lineStringInterpolate =
var t = (target - cumulativeLengths[-index - 2]) / var t = (target - cumulativeLengths[-index - 2]) /
(cumulativeLengths[-index - 1] - cumulativeLengths[-index - 2]); (cumulativeLengths[-index - 1] - cumulativeLengths[-index - 2]);
var o = offset + (-index - 2) * stride; var o = offset + (-index - 2) * stride;
pointX = (1 - t) * flatCoordinates[o] + t * flatCoordinates[o + stride]; pointX = goog.math.lerp(
pointY = (1 - t) * flatCoordinates[o + 1] + flatCoordinates[o], flatCoordinates[o + stride], t);
t * flatCoordinates[o + stride + 1]; pointY = goog.math.lerp(
flatCoordinates[o + 1], flatCoordinates[o + stride + 1], t);
} else { } else {
pointX = flatCoordinates[offset + index * stride]; pointX = flatCoordinates[offset + index * stride];
pointY = flatCoordinates[offset + index * stride + 1]; pointY = flatCoordinates[offset + index * stride + 1];