If I'm not mistaken this link is exactly what I am describing. It simulates how close the winning candidate is to voters based on how people would vote. But it

If I'm not mistaken this link is exactly what I am describing. It simulates how close the winning candidate is to voters based on how people would vote. But it explicitly doesnt simulate how candidates would shift due to changing incentives. In other words - it treats elections as a one side game where voters pick strategy (voting methods/preferences) and the candidates are stable. But it is a two-sided game where politicians change opinions/policies based on system as well.