坐标系的转换
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FbxAxisSystem unityAxisSystem(FbxAxisSystem::eYAxis, FbxAxisSystem::eParityOdd, FbxAxisSystem::eRightHanded); if (sceneAxisSystem != unityAxisSystem) unityAxisSystem.ConvertScene(lScene); |
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void FBXAMatixToUnityMatrix(FBXGameObject* kgo, FbxAMatrix globalMatrix) { kgo->matrix[0] = static_cast<float>(globalMatrix.Double44()[0][0]); kgo->matrix[1] = static_cast<float>(-globalMatrix.Double44()[1][0]); kgo->matrix[2] = static_cast<float>(-globalMatrix.Double44()[2][0]); kgo->matrix[3] = static_cast<float>(-globalMatrix.Double44()[3][0]); kgo->matrix[4] = static_cast<float>(-globalMatrix.Double44()[0][1]); kgo->matrix[5] = static_cast<float>(globalMatrix.Double44()[1][1]); kgo->matrix[6] = static_cast<float>(globalMatrix.Double44()[2][1]); kgo->matrix[7] = static_cast<float>(globalMatrix.Double44()[3][1]); kgo->matrix[8] = static_cast<float>(-globalMatrix.Double44()[0][2]); kgo->matrix[9] = static_cast<float>(globalMatrix.Double44()[1][2]); kgo->matrix[10] = static_cast<float>(globalMatrix.Double44()[2][2]); kgo->matrix[11] = static_cast<float>(globalMatrix.Double44()[3][2]); kgo->matrix[12] = static_cast<float>(globalMatrix.Double44()[0][3]); kgo->matrix[13] = static_cast<float>(globalMatrix.Double44()[1][3]); kgo->matrix[14] = static_cast<float>(globalMatrix.Double44()[2][3]); kgo->matrix[15] = static_cast<float>(globalMatrix.Double44()[3][3]); } |
单位转换
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//转换为米 if (SceneSystemUnit != FbxSystemUnit::m) { const FbxSystemUnit::ConversionOptions lConversionOptions = { false, /* mConvertRrsNodes */ true, /* mConvertAllLimits */ true, /* mConvertClusters */ true, /* mConvertLightIntensity */ true, /* mConvertPhotometricLProperties */ true /* mConvertCameraClipPlanes */ }; FbxSystemUnit::m.ConvertScene(lScene, lConversionOptions); } |
读取顶点的正确坐标
在这个问题上折腾挺长时间，主要是 getFBXGeometryTransform 和 EvaluateLocalTransform ，计算位置。
转载请注明：veyvin » Unity使用FBXSDK 读取模型注意事项
