Ease InOut

        // Takes in a linear value from 0-1. Outputs the ease in/out version of it.
        float value = linearValue*2.0;
        if (value < 1.0) {
            value = 0.5 * powf(value, 2.0);
        } else {
            value = 1.0 - 0.5 * powf(2.0-value, 2.0);
        }
        return value;