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Posted: **Thu Jul 19, 2012 3:22 am**

In OgreMesh.cpp, line 1267, v1.8:

tangentsCalc.addIndexData(sm->indexData);

must be changed to:

Code: Select all

tangentsCalc.addIndexData(sm->indexData, sm->operationType);

To avoid subMesh primitive type to be defaulted to RenderOperation::OT_TRIANGLE_LIST causing error in tangent calculation for triangles strips and fans.

I will submit patch soon.

Posted: **Thu Jul 19, 2012 3:25 am**

Patch submitted on sourceforge:

https://sourceforge.net/tracker/?func=d ... tid=302997

Ogre Forums

[Bug] Tangent calculator broken for triangle strip and fan.

[Bug] Tangent calculator broken for triangle strip and fan.

Re: [Bug] Tangent calculator broken for triangle strip and f