private void Move(float param)
{
if (GameDefine.FloatIsZero(param))
{
Rigidbody.velocity = new Vector2(0, 0);
}
else
{
Rigidbody.velocity = new Vector2(Rigidbody.velocity.x, param * GameDefine.PlayerMaxSpeed);
}
}
private Vector3 CalcLinePos(Vector3 A, Vector3 B, float len)
{
var lenAB = Mathf.Sqrt((B.y - A.y) * ((B.y - A.y)) + (B.x - A.x) * (B.x - A.x));// 计算2点的长度
float dy = B.y - A.y;
float dx = B.x - A.x;
float sinT = 0f, cosT = 0f;
float x = 0f, y = 0f;
if (!GameDefine.FloatIsZero(dy) && !GameDefine.FloatIsZero(dx))
{
sinT = dy / lenAB;
cosT = dx / lenAB;
y = B.y + len * sinT;
x = B.x + len * cosT;
}
else if (GameDefine.FloatIsZero(dy) && dx > 0.0f)
{
y = B.y;
x = B.x + len;
}
else if (dy > 0.0f && GameDefine.FloatIsZero(dx))
{
y = B.y + len;
x = B.x;
}
else if (GameDefine.FloatIsZero(dy) && dx < 0.0f)
{
y = B.y;
x = B.x - len;
}
else if (dy < 0.0f && GameDefine.FloatIsZero(dx))
{
y = B.y - len;
x = B.x;
}
return(new Vector3(x, y, 0));
}