Example usage for com.badlogic.gdx.math Vector2 len

Introduction

In this page you can find the example usage for com.badlogic.gdx.math Vector2 len.

Prototype

@Override
    public float len() 

Source Link

Usage

From source file:org.destinationsol.game.planet.Planet.java

License:Apache License

public void calcSpdAtPos(Vector2 spd, Vector2 pos) {
    Vector2 toPos = SolMath.distVec(myPos, pos);
    float fromPlanetAngle = SolMath.angle(toPos);
    float hSpdLen = SolMath.angleToArc(myRotSpd, toPos.len());
    SolMath.free(toPos);//from  ww w.  ja  va 2s  .c o  m
    SolMath.fromAl(spd, fromPlanetAngle + 90, hSpdLen);
    spd.add(mySpd);
}

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From source file:org.destinationsol.game.planet.PlanetManager.java

License:Apache License

private void applyGrav(SolGame game, SolSystem nearestSys) {
    float npGh = myNearestPlanet.getGroundHeight();
    float npFh = myNearestPlanet.getFullHeight();
    float npMinH = myNearestPlanet.getMinGroundHeight();
    Vector2 npPos = myNearestPlanet.getPos();
    Vector2 sysPos = nearestSys.getPos();
    float npGravConst = myNearestPlanet.getGravConst();

    List<SolObject> objs = game.getObjMan().getObjs();
    for (int i = 0, objsSize = objs.size(); i < objsSize; i++) {
        SolObject obj = objs.get(i);/*from   w ww .j  a v  a  2s  .  c  o  m*/
        if (!obj.receivesGravity())
            continue;

        Vector2 objPos = obj.getPosition();
        float minDist;
        Vector2 srcPos;
        float gravConst;
        boolean onPlanet;
        float toNp = npPos.dst(objPos);
        float toSys = sysPos.dst(objPos);
        if (toNp < npFh) {
            if (recoverObj(obj, toNp, npMinH))
                continue;
            minDist = npGh;
            srcPos = npPos;
            gravConst = npGravConst;
            onPlanet = true;
        } else if (toSys < Const.SUN_RADIUS) {
            minDist = SunSingleton.SUN_HOT_RAD;
            srcPos = sysPos;
            gravConst = SunSingleton.GRAV_CONST;
            onPlanet = false;
        } else {
            continue;
        }

        Vector2 grav = SolMath.getVec(srcPos);
        grav.sub(objPos);
        float len = grav.len();
        grav.nor();
        if (len < minDist) {
            len = minDist;
        }
        float g = gravConst / len / len;
        grav.scl(g);
        obj.receiveForce(grav, game, true);
        SolMath.free(grav);
        if (!onPlanet) {
            mySunSingleton.doDmg(game, obj, toSys);
        }
    }

}

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From source file:org.destinationsol.game.planet.PlanetManager.java

License:Apache License

private boolean recoverObj(SolObject obj, float toNp, float npMinH) {
    if (npMinH < toNp)
        return false;
    if (!(obj instanceof SolShip))
        return false;
    SolShip ship = (SolShip) obj;//  w  w w  .j ava  2s  .co m
    Hull hull = ship.getHull();
    if (hull.config.getType() == HullConfig.Type.STATION)
        return false;
    float fh = myNearestPlanet.getFullHeight();
    Vector2 npPos = myNearestPlanet.getPos();
    Vector2 toShip = SolMath.distVec(npPos, ship.getPosition());
    float len = toShip.len();
    if (len == 0) {
        toShip.set(0, fh);
    } else {
        toShip.scl(fh / len);
    }
    toShip.add(npPos);
    Body body = hull.getBody();
    body.setTransform(toShip, 0);
    body.setLinearVelocity(Vector2.Zero);
    SolMath.free(toShip);
    return true;
}

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From source file:org.destinationsol.game.planet.PlanetObjectsBuilder.java

License:Apache License

public FarShip buildGroundShip(SolGame game, Planet planet, ShipConfig ge, TradeConfig tc, Faction faction,
        ConsumedAngles takenAngles, String mapHint) {
    Vector2 pos = game.getPlanetMan().findFlatPlace(game, planet, takenAngles, ge.hull.getApproxRadius());
    boolean station = ge.hull.getType() == HullConfig.Type.STATION;
    String ic = ge.items;/*from   ww w  . jav  a  2 s.c  o m*/
    boolean hasRepairer;
    hasRepairer = faction == Faction.LAANI;
    int money = ge.money;
    float height = pos.len();
    float aboveGround;
    if (station) {
        aboveGround = ge.hull.getSize() * .75f - ge.hull.getOrigin().y;
    } else {
        aboveGround = ge.hull.getSize();
    }
    pos.scl((height + aboveGround) / height);
    SolMath.toWorld(pos, pos, planet.getAngle(), planet.getPos(), false);

    Vector2 toPlanet = SolMath.getVec(planet.getPos()).sub(pos);
    float angle = SolMath.angle(toPlanet) - 180;
    if (station)
        angle += 90;
    Vector2 spd = new Vector2(toPlanet).nor();
    SolMath.free(toPlanet);

    Pilot provider = new AiPilot(new StillGuard(pos, game, ge), false, faction, true, mapHint,
            Const.AI_DET_DIST);

    return game.getShipBuilder().buildNewFar(game, pos, spd, angle, 0, provider, ic, ge.hull, null, hasRepairer,
            money, tc, true);
}

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From source file:org.destinationsol.game.planet.SunSingleton.java

License:Apache License

public void draw(SolGame game, GameDrawer drawer) {
    Vector2 camPos = game.getCam().getPos();
    SolSystem sys = game.getPlanetMan().getNearestSystem(camPos);
    Vector2 toCam = SolMath.getVec(camPos);
    toCam.sub(sys.getPos());/*from   w w  w. jav a  2s  .c  o m*/
    float toCamLen = toCam.len();
    if (toCamLen < Const.SUN_RADIUS) {
        float closeness = 1 - toCamLen / Const.SUN_RADIUS;
        myGradTint.a = SolMath.clamp(closeness * 4, 0, 1);
        myFillTint.a = SolMath.clamp((closeness - .25f) * 4, 0, 1);

        float sz = 2 * game.getCam().getViewDist();
        float gradAngle = SolMath.angle(toCam) + 90;
        drawer.draw(myWhiteTex, sz * 2, sz * 2, sz, sz, camPos.x, camPos.y, 0, myFillTint);
        drawer.draw(myGradTex, sz * 2, sz * 2, sz, sz, camPos.x, camPos.y, gradAngle, myGradTint);
    }
    SolMath.free(toCam);
}

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From source file:org.destinationsol.game.screens.CollisionWarnDrawer.java

License:Apache License

public boolean shouldWarn(SolGame game) {
    myHero = game.getHero();/*from ww  w . j  a  va 2s  .c om*/
    if (myHero == null)
        return false;
    Vector2 pos = myHero.getPosition();
    Vector2 spd = myHero.getSpd();
    float acc = myHero.getAcc();
    float spdLen = spd.len();
    float spdAngle = SolMath.angle(spd);
    if (acc <= 0 || spdLen < 2 * acc)
        return false;
    // t = v/a;
    // s = att/2 = vv/a/2;
    float breakWay = spdLen * spdLen / acc / 2;
    breakWay += 2 * spdLen;
    Vector2 finalPos = SolMath.getVec(0, 0);
    SolMath.fromAl(finalPos, spdAngle, breakWay);
    finalPos.add(pos);
    myWarnCallback.show = false;
    game.getObjMan().getWorld().rayCast(myWarnCallback, pos, finalPos);
    SolMath.free(finalPos);
    return myWarnCallback.show;
}

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From source file:org.destinationsol.game.ship.ForceBeacon.java

License:Apache License

public static SolShip pullShips(SolGame game, SolObject owner, Vector2 ownPos, Vector2 ownSpd, Faction faction,
        float maxPullDist) {
    SolShip res = null;/*from  w w w  .  ja v  a2  s .c o  m*/
    float minLen = Float.MAX_VALUE;
    List<SolObject> objs = game.getObjMan().getObjs();
    for (int i = 0, objsSize = objs.size(); i < objsSize; i++) {
        SolObject o = objs.get(i);
        if (o == owner)
            continue;
        if (!(o instanceof SolShip))
            continue;
        SolShip ship = (SolShip) o;
        Pilot pilot = ship.getPilot();
        if (pilot.isUp() || pilot.isLeft() || pilot.isRight())
            continue;
        if (game.getFactionMan().areEnemies(faction, pilot.getFaction()))
            continue;
        Vector2 toMe = SolMath.distVec(ship.getPosition(), ownPos);
        float toMeLen = toMe.len();
        if (toMeLen < maxPullDist) {
            if (toMeLen > 1)
                toMe.scl(1 / toMeLen);
            if (ownSpd != null)
                toMe.add(ownSpd);
            ship.getHull().getBody().setLinearVelocity(toMe);
            game.getSoundMan().play(game, game.getSpecialSounds().forceBeaconWork, null, ship);
            if (toMeLen < minLen) {
                res = ship;
                minLen = toMeLen;
            }
        }
        SolMath.free(toMe);
    }
    return res;
}

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From source file:org.matheusdev.ror.controller.component.ComponentMovement.java

License:Open Source License

@Override
public void apply(Entity entity) {
    Body body = entity.getBody();//from  w  w w.j  a va2s . c  om
    moving = false;

    // If trying to move (pressing buttons on Keyboard, steering with Gamepad)
    if (xsteer != 0f || ysteer != 0f) {
        moving = true;

        if (Math.abs(xsteer) > Math.abs(ysteer)) {
            if (xsteer < 0) {
                direction = Dir.LEFT;
            } else {
                direction = Dir.RIGHT;
            }
        } else {
            if (ysteer < 0) {
                direction = Dir.DOWN;
            } else {
                direction = Dir.UP;
            }
        }
    }

    Vector2 linVel = body.getLinearVelocity();
    if (linVel.len() > maxspeed) {
        body.setLinearVelocity(linVel.cpy().nor().scl(maxspeed));
    }

    body.applyForceToCenter(strength * xsteer, strength * ysteer);

    if (friction > 1f && !moving) {
        body.setLinearVelocity(linVel.div(friction));
    }
}

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From source file:org.matheusdev.ror.controller.component.ComponentNetwork.java

License:Open Source License

@Override
public void apply(Entity entity) {
    Vector2 entityPos = entity.getPos();
    Vector2 posDiff = posDiffPool.set(remoteState.posX - entityPos.x, remoteState.posY - entityPos.y);
    float distance = posDiff.len();

    if (distance > 0.5f) {
        entity.getBody().setTransform(remoteState.posX, remoteState.posY, remoteState.angle);
        System.out.println("Set position to: " + remoteState.posX + ", " + remoteState.posY);
    } else if (distance > 0.1f) {
        entity.getBody().setTransform(entityPos.add(posDiff.scl(0.1f)), remoteState.angle);
    }//from w  ww  . j a  va2s .com

    entity.getBody().setLinearVelocity(remoteState.velX, remoteState.velY);
}

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From source file:org.matheusdev.ror.view.ViewWalking.java

License:Open Source License

@Override
public void draw(SpriteBatch batch, Entity e, float delta) {
    Vector2 linVel = e.getBody().getLinearVelocity();

    if (linVel.len() > 0.3f)
        direction = Dir.getDir(linVel.x, linVel.y);
    moving = linVel.len() > 0.1f;/*w  ww . j  a  va  2  s  .com*/

    anims.setDirection(direction);
    anims.setMoving(moving);
    anims.setDeltaSpeed(delta);
    anims.apply(e);

    sprite.setRegion(anims.getKeyframe());
    draw(batch, e, sprite, width, xoffset, yoffset);
}

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