Method updateCamera

examples/OpenGLWindow/GLInstancingRenderer.cpp:1595–1620

}

void GLInstancingRenderer::updateCamera(int upAxis)
{
	b3Assert(glGetError() == GL_NO_ERROR);
	m_upAxis = upAxis;

	m_data->m_activeCamera->setCameraUpAxis(upAxis);
	m_data->m_activeCamera->setAspectRatio((float)m_screenWidth / (float)m_screenHeight);
	m_data->m_defaultCamera1.update();
	m_data->m_activeCamera->getCameraProjectionMatrix(m_data->m_projectionMatrix);
	m_data->m_activeCamera->getCameraViewMatrix(m_data->m_viewMatrix);
	b3Scalar viewMat[16];
	b3Scalar viewMatInverse[16];

	for (int i = 0; i < 16; i++)
	{
		viewMat[i] = m_data->m_viewMatrix[i];
	}
	b3Transform tr;
	tr.setFromOpenGLMatrix(viewMat);
	tr = tr.inverse();
	tr.getOpenGLMatrix(viewMatInverse);
	for (int i = 0; i < 16; i++)
	{
		m_data->m_viewMatrixInverse[i] = viewMatInverse[i];
	}
}

void writeTextureToPng(int textureWidth, int textureHeight, const char* fileName, int numComponents)
{