问C#从位置到位置的学习

EN

float Lerp(float firstFloat, float secondFloat, float by)
{
     return firstFloat * (1 - by) + secondFloat * by;
}

Vector2 Lerp(Vector2 firstVector, Vector2 secondVector, float by)
{
    float retX = Lerp(firstVector.x, secondVector.x, by);
    float retY = Lerp(firstVector.y, secondVector.y, by);
    return new Vector2(retX, retY);
}

  float Lerp(float a, float b, float t)
    {
        //return firstFloat * by + secondFloat * (1 - by);
        return (1f - t) * a + t * b;
    }

    PointF Lerp(PointF a, PointF b, float t)
    {
        float retX = Lerp(a.X, b.X, t);
        float retY = Lerp(a.Y, b.Y, t);
        return new PointF(retX, retY);
    }