Minmin Gong 248f6c3aa1 Make gltf2's roughnessAsShininess matches between importer and exporter. ...

In glTF2Exporter, roughnessFactor = 1 - normalizedShininess = 1 - someFunc(sqrt(shininess / 1000)). But in gltf2Importer, roughnessAsShininess = (1 - roughnessFactor) * 1000. No sqr there. So if save a shininess to a gltf2 and load it back, the value changed. This fix add a square to importer to make sure the consistency.

2018-10-16 21:17:35 -07:00

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