void Update()
{
// if hook is out, display rope
if (player.activeSelf && hook.activeSelf)
{
// if hook is latched, stretch rope according to rope length
if (grapple.Hooked())
{
SetRopeActive(Mathf.Max(1, (int)(grapple.GetRopeDistance() / segmentLength)));
transform.localScale = new Vector3(transform.localScale.x, (hook.transform.position - player.transform.position).magnitude / ropeLength, transform.localScale.z);
}
// else, do not scale rope and add segments according to distance from player
else
{
SetRopeActive((int)((hook.transform.position - player.transform.position).magnitude / segmentLength));
transform.localScale = new Vector3(transform.localScale.x, 1f, transform.localScale.z);
}
//set rotation and position
transform.position = hook.transform.position;
transform.up = player.transform.position - hook.transform.position;
}
// else, hide rope
else
{
SetRopeActive(0);
}
}
void FixedUpdate()
{
// move player if grapples are hooked onto something
// check player is far enough from the grapple to move based on rope distance
if (grapplingHook1.activeSelf && grapple1.Hooked())
{
Vector3 gr1dir = grapplingHook1.transform.position - transform.position;
rb.AddForce(grappleForce * gr1dir.normalized * (Mathf.Max(gr1dir.magnitude - grapple1.GetRopeDistance(), 0)));
// kill velocity in direction away from hook
Vector2 normal = -gr1dir.normalized;
if (gr1dir.magnitude > grapple1.GetRopeDistance())
{
float dot = Vector3.Dot(rb.velocity, normal);
if (dot > 0f)
{
rb.velocity -= normal * dot;
}
}
}
if (grapplingHook2.activeSelf && grapple2.Hooked())
{
Vector3 gr2dir = grapplingHook2.transform.position - transform.position;
rb.AddForce(grappleForce * gr2dir.normalized * (Mathf.Max(gr2dir.magnitude - grapple2.GetRopeDistance(), 0)));
// kill velocity in direction away from hook
Vector2 normal = -gr2dir.normalized;
if (gr2dir.magnitude > grapple2.GetRopeDistance())
{
float dot = Vector3.Dot(rb.velocity, normal);
if (dot > 0f)
{
rb.velocity -= normal * dot;
}
}
}
}
