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Math.cbrt -> Math.pow #6220

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Feb 14, 2018
Merged

Math.cbrt -> Math.pow #6220

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Math.cbrt -> Math.pow
likangning93 Feb 14, 2018
54161e2
update CHANGES.md
likangning93 Feb 14, 2018
e27f3ea
merged master
likangning93 Feb 14, 2018
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1 change: 1 addition & 0 deletions CHANGES.md
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Expand Up @@ -9,6 +9,7 @@ Change Log
##### Fixes :wrench:
* Fixed bug where AxisAlignedBoundingBox did not copy over center value when cloning an undefined result. [#6183](https:/AnalyticalGraphicsInc/cesium/pull/6183)
* Fixed `Resource.fetch` when called with no arguments [#6206](https:/AnalyticalGraphicsInc/cesium/issues/6206)
* Fixed bug where 3D Tiles Point Clouds would fail in Internet Explorer. [#6220](https:/AnalyticalGraphicsInc/cesium/pull/6220)

##### Additions :tada:
* Enable terrain in the `CesiumViewer` demo application [#6198](https:/AnalyticalGraphicsInc/cesium/pull/6198)
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2 changes: 1 addition & 1 deletion Source/Scene/PointCloud3DTileContent.js
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Expand Up @@ -466,7 +466,7 @@ define([
// Typical use case is leaves, where lower estimates of interpoint distance might
// lead to underattenuation.
var sphereVolume = content._tile.contentBoundingVolume.boundingSphere.volume();
content._baseResolutionApproximation = Math.cbrt(sphereVolume / pointsLength);
content._baseResolutionApproximation = Math.pow(sphereVolume / pointsLength, 1/3); // IE doesn't support cbrt
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@lilleyse To prevent this problem in the future, should we add CesiumMath.cbrt that does the right thing depending on if Math.cbrt is available? This way if the "native" cbrt is faster or more accurate we get the benefit as well.

Also, keeping with convention, these should be 1.0/3.0.

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Opened #6222

}

var scratchPointSizeAndTilesetTimeAndGeometricErrorAndDepthMultiplier = new Cartesian4();
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