cube-game-plus-plus/client/math/MatrixStack.cpp

#include <cassert>

#include "client/math/MatrixStack.h"

void MatrixStack::pop()
{
    assert(index > 0);
    index--;
}

void MatrixStack::push()
{
    assert(index < stack.size() - 1);
    index++;
    stack[index] = stack[index - 1];
}

Matrix& MatrixStack::get()
{
    return stack[index];
}

void MatrixStack::clear()
{
    index = 0;
    stack[0].setToIdentity();
}