#include "./include/glm/gtc/quaternion.hpp"

glm::vec3 p = glm::normalize(glm::vec3(1, 1, 1));
glm::quat q1 = glm::angleAxis(0.0f, glm::vec3(0.0f, 1.0f, 0.0f));
glm::quat q2 = glm::angleAxis(180.0f, p);

// Render an object using SLERP
modelViewMatrixStack.Push();
    modelViewMatrixStack.Translate(glm::vec3(0.0f, 2.0f, 150.0f));

    // t between 0 and 1.  Mix overloaded to SLERP
    glm::quat q = glm::mix(q1, q2, t); 

    // Cast quaternion to mat4 to post-multiply 
    modelViewMatrixStack *= glm::mat4_cast(q);   

    modelViewMatrixStack.Scale(2.0f);

    pMainProgram->SetUniform("matrices.modelViewMatrix", modelViewMatrixStack.Top());
    pMainProgram->SetUniform("matrices.normalMatrix", m_pCamera->ComputeNormalMatrix(modelViewMatrixStack.Top()));
    m_pSphere->Render();
modelViewMatrixStack.Pop();

High