public waterEnemyState setEnemyState(waterEnemyState newState)
{
switch (newState)
{
case waterEnemyState.idle:
//rb2d.gravityScale = 0f;
rb2d.velocity = Vector2.zero;
break;
case waterEnemyState.patrol:
startPosition = rb2d.position;
direction = patrolDirection();
rb2d.velocity = direction * patrolSpeed;
break;
case waterEnemyState.pursue:
idleTimer = 10f;
break;
case waterEnemyState.goHome:
break;
case waterEnemyState.waterSurface:
if (enemyToPuffin.y > 0)
{
Vector2 noY = new Vector2(rb2d.velocity.x, 0f);
rb2d.velocity = noY;
}
break;
}
return(newState);
}
// Update is called once per frame
void Update()
{
idleTimer = (idleTimer > 0 && (Vector2)transform.position != startPosition)? idleTimer - Time.deltaTime : 0f;
enemyToPuffin = (puffin.transform.position - transform.position);
flipSprite();
if (enemyToPuffin.sqrMagnitude < pursuitRange * pursuitRange && enemyInWater && GameManager.instance.score > 0)
{
state = setEnemyState(waterEnemyState.pursue);
idleTimer = 10f;
//print ("pursue");
//print (enemyToPuffin.sqrMagnitude);
}
if (idleTimer == 0f && ((Vector2)transform.position - startPosition).sqrMagnitude > 5f)
{
//state = setEnemyState (waterEnemyState.goHome);
}
/*if (enemyInWater)
* {
* state = setEnemyState (airEnemyState.idle);
*
* }*/
switch (state)
{
case waterEnemyState.idle:
rb2d.velocity = Vector2.zero;
if (idleTimer == 0 && ((Vector2)transform.position - startPosition).sqrMagnitude > 5f * 5f)
{
state = setEnemyState(waterEnemyState.goHome);
}
break;
case waterEnemyState.patrol:
rb2d.velocity = direction * patrolSpeed;
if (((Vector2)transform.position - startPosition).sqrMagnitude > 10f * 10f && changeDir == false) // If Enemy travels farther than maximum range, calculate new direction
{
//direction = -direction;
direction = patrolDirection();
//print ("Switch");
changeDir = true;
//startPosition = rb2d.position;
}
if (enemyInAir)
{
state = setEnemyState(waterEnemyState.goHome);
//direction.y = 1;
}
if (((Vector2)transform.position - startPosition).sqrMagnitude < 10f * 10f)
{
changeDir = false;
}
break;
case waterEnemyState.pursue: // right now it is normalized. Try to think of another way to get direction, this is expensive?
direction = enemyToPuffin.normalized;
rb2d.velocity = direction * pursuitSpeed;
idleTimer = 5f;
if (enemyToPuffin.sqrMagnitude > pursuitRange * pursuitRange || GameManager.instance.score == 0)
{
state = setEnemyState(waterEnemyState.idle);
}
if (enemyInAir)
{
state = setEnemyState(waterEnemyState.waterSurface);
}
break;
case waterEnemyState.goHome:
direction = (startPosition - (Vector2)transform.position).normalized;
rb2d.velocity = direction * pursuitSpeed;
if (((Vector2)transform.position - startPosition).sqrMagnitude < 1f) //((Vector2)transform.position - startPosition).sqrMagnitude <5f) //(Vector2)transform.position == startPosition
{
state = setEnemyState(waterEnemyState.patrol);
}
break;
case waterEnemyState.waterSurface:
if (enemyToPuffin.sqrMagnitude < pursuitRange * pursuitRange && enemyToPuffin.y < 0 && GameManager.instance.score > 0)
{
state = setEnemyState(waterEnemyState.pursue);
}
else if (idleTimer == 0f)
{
state = setEnemyState(waterEnemyState.goHome);
}
break;
}
}
