Ejemplo n.º 1
0
    protected void Update()
    {
        if (NavMsh == null)
        {
            return;
        }
        CurNode = NavMsh.findNode(Trnsfrm.position, CurNode);

        if (Target != null)
        {
            TargetP    = Target.Trnsfrm.position;
            TargetNode = Target.CurNode;
        }

        Vector2 tPos = TargetP, cPos = Trnsfrm.position;

        //Debug.DrawLine(tPos, cPos);

        // if target moved much - need to recalculate path

        if (Path != null && LastPath - Time.frameCount < -10)
        {
            // Debug.Log(" LastPath -Time.frameCount " + (LastPath - Time.frameCount) );
            if ((Path.Smooth[0].P - tPos).sqrMagnitude > 0.25f || LastPath - Time.frameCount < -180)
            {
                Path = null;
            }
        }


        if (Path == null)
        {
            Path = NavMsh.getPath(cPos, tPos, TargetNode);

            if (Path != null)
            {
                LastPath = Time.frameCount;
                CurNodeI = Path.Smooth.Count - 2;
                ValidPos = Trnsfrm.position;
                //    Debug.Log("pc  " + Path.Smooth.Count + "  cn " + CurNode);
            }
            else
            {
                CurNodeI = -1;
                //      Debug.Log("path fail");
            }
        }


        ///funnel!
        //  basicly recursivlely look at edge we must travers to get to next node until we find a corner in our way - then move thataway
        //  no corner in the way means just go towards target
        Vector2 vec, cnrA, cnrB;

        if (Path != null)
        {
            for (; CurNodeI > 0; CurNodeI--)    //path is backwards - because .... reasons
            //  tPos = Path.Smooth[CurNode].P;
            ///

            {
                if (Util.sign(Path.Smooth[CurNodeI].E2, cPos, Path.Smooth[CurNodeI].E1) < 0)
                {
                    // if  so  then we passed through an edge - advance our place along the path
                    //  -done awkard way because fo how things were refactored - not neatening because it won't be more efficent - and might somehow implode

                    //CurNode = Path.Smooth[CurNodeI].;///todo

                    continue;
                }

                // the arc defined between cnrA < cPos > cnrB  is the range of current valid directions
                cnrA = smoothHelper(Path.Smooth[CurNodeI].E1, cPos, true);
                cnrB = smoothHelper(Path.Smooth[CurNodeI].E2, cPos, false);

                float sgn = -1;
                //  int msi = MaxSmoothIter;
                for (int ci = CurNodeI - 1; ; ci--)
                {
                    if (ci <= 0)
                    {
                        break;          //reached end of path
                    }
                    // only one of these will be different from current corners   -- this would be an obvious place to optimise (todo)
                    Vector2 nCnrA = smoothHelper(Path.Smooth[ci].E1, cPos, true);
                    Vector2 nCnrB = smoothHelper(Path.Smooth[ci].E2, cPos, false);


                    //new corner may refine our current valid arc
                    //  it may refine it so far that the angle of the arc becomes 0 - ie a direction - cnrA . cnrB  would be  exactly the same direction  - if so then we are done here
                    if ((nCnrA - cnrA).sqrMagnitude > (nCnrB - cnrB).sqrMagnitude)
                    {
                        //Debug.DrawLine(cPos, fnlA2, Color.black);
                        sgn = Util.sign(nCnrA, cPos, cnrA);
                        if (Util.sign(nCnrA, cPos, cnrA) > 0)
                        {
                            if (Util.sign(cnrB, cPos, nCnrA) < 0)
                            {
                                tPos = cnrB;
                                //  Debug.Log("breakb");
                                break;
                            }
                            cnrA = nCnrA;
                        }
                    }
                    else
                    {
                        //Debug.DrawLine(cPos, fnlB2, Color.black);
                        sgn = Util.sign(cnrB, cPos, nCnrB);
                        if (Util.sign(cnrB, cPos, nCnrB) > 0)
                        {
                            if (Util.sign(cnrB, cPos, nCnrA) < 0)
                            {
                                tPos = cnrA;
                                //   Debug.Log("breaka");
                                break;
                            }
                            cnrB = nCnrB;
                        }
                    }
                    // if( msi-- == 0 ) break;
                }

                if (Util.sign(cnrB, cPos, tPos) < 0)
                {
                    tPos = cnrB;
                }
                if (Util.sign(tPos, cPos, cnrA) < 0)
                {
                    tPos = cnrA;
                }

                /*//   Debug.Log("sgn  " + sgn);
                 * Debug.DrawLine(cPos, fnlA, Color.green);
                 * Debug.DrawLine(cPos, fnlB, Color.red);
                 * Debug.DrawLine(cPos, tPos, Color.white); */
                break;
            }
        }
        else
        {
            if (NavMsh.findNode(cPos) != TargetNode) //fallen off map somehow  ... used to happen when colliders dind match map and also current node wasn't clamped    -- try and move back to last valid position
            {
                tPos = ValidPos;
            }
        }

        vec = tPos - cPos;

        DesVec = vec;

        if (isInvincible)
        {
            if ((invincibleTimer -= Time.deltaTime) <= 0)
            {
                isInvincible    = false;
                invincibleTimer = invincibleTimerInit;
            }
        }
    }
Ejemplo n.º 2
0
    protected void Update()
    {
        if( NavMsh == null ) return;
        CurNode = NavMsh.findNode(Trnsfrm.position, CurNode);

        if(Target != null) {
            TargetP = Target.Trnsfrm.position;
            TargetNode = Target.CurNode;
        }

        Vector2 tPos = TargetP, cPos = Trnsfrm.position;
        //Debug.DrawLine(tPos, cPos);

        // if target moved much - need to recalculate path

        if(Path != null && LastPath -Time.frameCount < -10 ) {
           // Debug.Log(" LastPath -Time.frameCount " + (LastPath - Time.frameCount) );
            if((Path.Smooth[0].P - tPos).sqrMagnitude > 0.25f  || LastPath - Time.frameCount  <  -180 ) Path = null;

        }

        if(Path == null) {
            Path = NavMsh.getPath(cPos, tPos, TargetNode);

            if(Path != null) {
                LastPath = Time.frameCount;
                CurNodeI = Path.Smooth.Count - 2;
                ValidPos = Trnsfrm.position;
            //    Debug.Log("pc  " + Path.Smooth.Count + "  cn " + CurNode);
            } else {
                CurNodeI = -1;
          //      Debug.Log("path fail");
            }
        }

        ///funnel!
        //  basicly recursivlely look at edge we must travers to get to next node until we find a corner in our way - then move thataway
        //  no corner in the way means just go towards target
        Vector2 vec, cnrA, cnrB;
        if(Path != null) {
            for(; CurNodeI > 0; CurNodeI--) {  //path is backwards - because .... reasons
                //  tPos = Path.Smooth[CurNode].P;
                    ///

                if(Util.sign(Path.Smooth[CurNodeI].E2, cPos, Path.Smooth[CurNodeI].E1) < 0) {
                    // if  so  then we passed through an edge - advance our place along the path
                    //  -done awkard way because fo how things were refactored - not neatening because it won't be more efficent - and might somehow implode

                    //CurNode = Path.Smooth[CurNodeI].;///todo

                    continue;
                }

                // the arc defined between cnrA < cPos > cnrB  is the range of current valid directions
                cnrA = smoothHelper(Path.Smooth[CurNodeI].E1, cPos, true);
                cnrB = smoothHelper(Path.Smooth[CurNodeI].E2, cPos, false);

                float sgn = -1;
                //  int msi = MaxSmoothIter;
                for(int ci = CurNodeI - 1; ; ci--) {

                    if(ci <= 0) break;  //reached end of path

                    // only one of these will be different from current corners   -- this would be an obvious place to optimise (todo)
                    Vector2 nCnrA = smoothHelper(Path.Smooth[ci].E1, cPos, true);
                    Vector2 nCnrB = smoothHelper(Path.Smooth[ci].E2, cPos, false);

                    //new corner may refine our current valid arc
                    //  it may refine it so far that the angle of the arc becomes 0 - ie a direction - cnrA . cnrB  would be  exactly the same direction  - if so then we are done here
                    if((nCnrA - cnrA).sqrMagnitude > (nCnrB - cnrB).sqrMagnitude) {
                         //Debug.DrawLine(cPos, fnlA2, Color.black);
                        sgn = Util.sign(nCnrA, cPos, cnrA);
                        if(Util.sign(nCnrA, cPos, cnrA) > 0) {

                            if(Util.sign(cnrB, cPos, nCnrA) < 0) {
                                tPos = cnrB;
                                //  Debug.Log("breakb");
                                break;
                            }
                            cnrA = nCnrA;
                        }
                    } else {
                        //Debug.DrawLine(cPos, fnlB2, Color.black);
                        sgn = Util.sign(cnrB, cPos, nCnrB);
                        if(Util.sign(cnrB, cPos, nCnrB) > 0) {
                            if(Util.sign(cnrB, cPos, nCnrA) < 0) {
                                    tPos = cnrA;
                                //   Debug.Log("breaka");
                                    break;
                            }
                            cnrB = nCnrB;
                        }
                    }
                    // if( msi-- == 0 ) break;
                }

                if(Util.sign(cnrB, cPos, tPos) < 0) tPos = cnrB;
                if(Util.sign(tPos, cPos, cnrA) < 0) tPos = cnrA;

                /*//   Debug.Log("sgn  " + sgn);
                Debug.DrawLine(cPos, fnlA, Color.green);
                Debug.DrawLine(cPos, fnlB, Color.red);
                Debug.DrawLine(cPos, tPos, Color.white); */
                break;
            }

        } else {
            if(NavMsh.findNode(cPos) != TargetNode) //fallen off map somehow  ... used to happen when colliders dind match map and also current node wasn't clamped    -- try and move back to last valid position
                tPos = ValidPos;
        }

        vec = tPos - cPos;

        DesVec = vec;

        if (isInvincible)
        {
            if ((invincibleTimer -= Time.deltaTime) <= 0)
            {
                isInvincible = false;
                invincibleTimer = invincibleTimerInit;
            }
        }
    }
Ejemplo n.º 3
0
    protected void updatePath() {
        if(NavMsh == null) return;
        var lCn =  CurNode;
        CurNode = NavMsh.findNode(SyncO.Body. position, CurNode);
        if(CurNode == null) {
            Debug.Log("no node..");
            Debug.DrawLine(Trnsfrm.position, Vector3.zero);
        }

        checkTarget();

        Vector2 biasOff = (Vector2)Trnsfrm.up * RoughRadius*2 + Body.velocity / Acceleration;
        //cPos = SyncO.Body.position
        Debug.DrawLine(SyncO.Body.position + biasOff, SyncO.Body.position, Color.black);

        if(!PathActive) return;

        Vector2 tPos = TargetP, cPos = SyncO.Body.position;

        Vector2 tPos2 = tPos;

        if(CurNode != TargetNode) {

            if(Path != null && LPathTime - Time.time < -0.2f) {
                if(LPathTime - Time.time < -2.0f) Path = null;  //recalc every so often
                else {
                    var sqDiff = (LTPos - tPos).sqrMagnitude;
                    // if target moved much - need to recalculate path    
                    if(sqDiff > 4.0f || (LTNode != TargetNode && sqDiff > 0.5f)) Path = null;
                }
            }

            if(Path != null && lCn != CurNode) {
                if(!fixNodeI(ref CurNodeI, CurNode)) {
                    ///not resolved!! -- we got shunted off to side most likely..   --- or possibly rewound but too far - (likely cos we just repathed)
                   // Debug.Log("SHUNTED!!");
                    Path = null;  //todo - we may be able to quick fix some of thse cases
                }
            }

            if(Path == null) {
                Path = NavMsh.getPath2(cPos, cPos+ biasOff, tPos, TargetNode);
                if(Path != null) {
                    LTPos = tPos;
                    LTNode = TargetNode;
                    LPathTime = Time.time; LSmoothTime = -1.0f;
                    CurNodeI = Path.Smooth.Count - 1;
                    if(CurNode != Path.Smooth[CurNodeI].N)
                        Debug.LogError("err");
                    // ValidPos = Trnsfrm.position;
                    //  Debug.Log("pc  " + Path.Smooth.Count + "  cn " + CurNode);
                } else {
                    CurNodeI = -1;
                    //      Debug.Log("path fail");
                }
            }

            
            ///funnel!
            //  basicly recursivlely look at edge we must travers to get to next node until we find a corner in our way - then move thataway
            //  no corner in the way means just go towards target
            if(Time.time - LSmoothTime > 0.5f) {  //todo - can check if we have diverged from path to affect resmooth
                var smthP = WorkingSmoothPath;
                smthP.Clear();
                if(Path != null) {


#if DRAW_NAV_LINES                 
                    Vector2 lastPos = cPos;
                    for(int i = CurNodeI; i-- > 0; ) {
                        Debug.DrawLine(lastPos, Path.Smooth[i].P, Color.white);
                        Debug.DrawLine(lastPos, Path.Smooth[i].E1, Color.grey);
                        Debug.DrawLine(lastPos, Path.Smooth[i].E2, Color.grey);

                        lastPos = Path.Smooth[i].P;
                    }
                    Debug.DrawLine(lastPos, tPos, Color.white);
#endif
                    // for(; CurNodeI >= 0; CurNodeI--) {  //path is backwards - because .... reasons

                    funnel(cPos, ref tPos, CurNodeI);

                    var lp = cPos;
                    var cp = tPos; var cni = CurNodeI; var n = CurNode;
                    float dis = (lp - cp).magnitude;
                    float lDis = 0;
                    float maxDis = 25;


                    for(int maxIter = 10; maxIter-- > 0; ) {
                        // Debug.Log("iter " + maxIter);
                        smthP.Add(cp);
                        var tp = TargetP;
                        if(dis > maxDis) {
                            //   Debug.Log("PASS dis " + maxIter);
                            var v = (cp - lp);
#if DRAW_NAV_LINES  
                            Debug.DrawLine(lp, lp + v * (maxDis - lDis) / v.magnitude, Color.black);
#endif
                            break;
                        }
                        if((tp - cp).sqrMagnitude < 0.5f) {
                            //  Debug.Log("PASS  " + maxIter);
#if DRAW_NAV_LINES  
                            Debug.DrawLine(lp, cp, Color.black);
#endif
                            break;
                        }
#if DRAW_NAV_LINES  
                        Debug.DrawLine(lp, cp, Color.black);
#endif
                        var ln = n;
                        n = NavMsh.findNode(cp, n);

                        if(ln != n) {
                            if(n == TargetNode) {
                                //   Debug.Log("PASS  " + maxIter);
#if DRAW_NAV_LINES  
                                Debug.DrawLine(cp, tp, Color.black);
#endif
                                smthP.Add(tp);
                                break;
                            }
                            if(!fixNodeI(ref cni, n)) {
                                //    Debug.Log("FAIL --- you shall not pass");
                                smthP.Add(tp);  //hope for the best
                                break;
                            }
                        }

                        funnel(cp, ref tp, cni);
                        float d = (cp - tp).magnitude;
                        //   Debug.Log("dis " + d);
                        float minStep = 0.75f;
                        if(d < minStep) {
                            tp = cp + (tp - cp) * minStep / d;
                            d = minStep;
                        }
                        lDis = dis;
                        dis += d;
                        //   break;
                        lp = cp;
                        cp = tp;
                    }

                } else {
                    smthP.Add(TargetP);
                    if(CurNode != TargetNode) //fallen off map somehow  ... used to happen when colliders dind match map and also current node wasn't clamped    -- try and move back to last valid position
                        //  tPos = ValidPos;
                        Debug.Log("Awk noes we appear to have fallen off the map");
                }

                if( SmoothPath.Count > 0 ) {
                    if(Vector2.Dot((Body.position - smthP[0]).normalized, (Body.position - SmoothPath[SyncO.SPi]).normalized) < 0.8f)
                        steerUpdate();
                } else steerUpdate();

                SmoothPath = new List<Vector2>(smthP); //todo 
                SPi = SyncO.SPi = 0;
            }           
        } else {
            Path = null;
            //bool dirty = false;
            if(SmoothPath.Count < 1) {
               // dirty = true;
                SmoothPath.Add(TargetP);
                steerUpdate();
            } else if( (SmoothPath[0]- TargetP).sqrMagnitude > 0.5f ) {
               // dirty = true;

                if( Vector2.Dot( (Body.position - TargetP).normalized, (Body.position - SmoothPath[0]).normalized ) < 0.8f )
                    steerUpdate();
                SmoothPath.Clear();
                SmoothPath.Add(TargetP);
            }
            SPi = SyncO.SPi = 0;
        }


       // Debug.DrawLine( Body.position, tPos, Color.white);
      //  Debug.DrawLine( tPos2, tPos, Color.white);
        //DesPos = tPos;
        //vec = tPos - cPos;

       // DesVec = vec;
    }