如何检测到碰撞？

Question

每当正方形与圆碰撞（在任何方向：北，南，东或西）时，我的代码都应该将分数提高1，但不会检测到碰撞。我确定该函数正在被调用，并且该函数似乎没有任何错误。有什么问题吗？

function collisionPoint()
{
    if (playerRight == pointX && playerLeft == pointX - playerWidth && playerTop > pointTop - playerHeight && playerBottom < pointBottom + playerWidth)
    {
        score++;
    }

    if (playerLeft == pointX && playerRight == pointX + playerWidth && playerTop > pointTop - playerHeight && playerBottom < pointBottom + playerWidth)
    {
        score++;
    }

    if (playerTop == pointY && playerBottom == pointY - playerHeight && playerRight < pointRight + playerWidth && playerLeft > pointLeft + playerWidth)
    {
        score++;
    }

    if (playerBottom == pointY && playerTop == pointY + playerHeight && playerRight < pointRight + playerWidth && playerLeft > pointLeft + playerWidth)
    {
        score++;
    }
}