コード例 #1
0
    public override AIAction GFixedUpdate(UnitCommander unitCmd, Vector2 goalPos)
    {
        //Init
        Vector2 moveVec = Vector2.zero;
        Vector2 pos = unitCmd.transform.position;
        unitCmd.GetComponent<Rigidbody2D>().gravityScale = 1;
        state = AIState.MOVING;

        //Check for enemies
        float directionX = unitCmd.turnedRight ? 1f : -1f;
        Vector2 inFrontUpperLeft = new Vector2(pos.x + directionX * 0.5f, pos.y + 0.5f);
        Vector2 inFrontLowerRight = new Vector2(pos.x + directionX * 0.9f, pos.y - 0.5f);
        Collider2D[] inFrontColliders = Physics2D.OverlapAreaAll(inFrontUpperLeft, inFrontLowerRight);
        foreach (Collider2D coll in inFrontColliders) {
            if (coll.tag.Equals("Monster")){
                state = AIState.ATTACKING;
            }
        }

        switch (state) {
        case AIState.MOVING:
            moveVec = Movement(unitCmd, goalPos);
            break;
        case AIState.ATTACKING:
            moveVec = AttackMove(unitCmd, inFrontColliders);
            break;

        default:
            break;
        }

        Debug.DrawLine(inFrontUpperLeft, inFrontLowerRight, Color.green);

        return new AIAction(moveVec, state == AIState.ATTACKING);
    }
コード例 #2
0
ファイル: AI.cs プロジェクト: torybash/DungeonRaiders
    protected Vector2 Movement(UnitCommander unitCmd, Vector2 goalPos)
    {
        Vector2 moveVec = Vector2.zero;
        Vector2 pos = unitCmd.transform.position;
        bool isOnStairs = false;
        Vector2 upperLeft = new Vector2(pos.x - 0.1f, pos.y + 0.5f);
        Vector2 lowerRight = new Vector2(pos.x + 0.1f, pos.y - 0.5f);
        Collider2D[] colliders = Physics2D.OverlapAreaAll(upperLeft, lowerRight);

        float totXForce = 0;
        foreach (Collider2D coll in colliders) {

            //Is on stairs?
            if (coll.tag.Equals("Stairs"))
            {
                isOnStairs = true;
                unitCmd.GetComponent<Rigidbody2D>().gravityScale = 0;
                unitCmd.GetComponent<Rigidbody2D>().velocity = Vector2.zero;
                break;
            }//Move away from other heroes
        //			else if (coll.tag.Equals("Hero"))
        //			{
        //				float xDiff = coll.transform.position.x - pos.x;
        //				float xForce = xDiff == 0 ? 0 : 0.1f/xDiff;
        //				totXForce -= xForce;
        //			}
        }

        //Move in x or y direction / Can move in y direction?
        if (isOnStairs && CanContinueOnStairs(pos, goalPos)){ // &&  transform.position.y - 0.5f < goalPos.y || transform.position.y - 0.6f > goalPos.y){
            moveVec.y = Mathf.MoveTowards(pos.y, goalPos.y, 0.1f) - pos.y;
        }else{
            moveVec.x = Mathf.MoveTowards(pos.x, goalPos.x, 0.1f) - pos.x;
        }

        //Apply hero-distancer force
        //		if (totXForce > 0.1) totXForce = 0.1f;
        //		if (totXForce < -0.1) totXForce = -0.1f;
        //		if ((moveVec.x > 0 && totXForce < 0) || (moveVec.x < 0 && totXForce > 0)) moveVec.x += totXForce;

        return moveVec;
    }