Example usage for com.badlogic.gdx.math Vector2 nor

Introduction

In this page you can find the example usage for com.badlogic.gdx.math Vector2 nor.

Prototype

@Override
    public Vector2 nor() 

Source Link

Usage

From source file:io.piotrjastrzebski.sfg.game.objects.Pickup.java

License:Open Source License

public void updateAngle() {
    final Vector2 v = body.getLinearVelocity();
    float angle = v.nor().angle() - 90;
    pickupSkeleton.getRootBone().setRotation(angle);
}

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From source file:jordanlw.gdxGame.Game.java

License:Open Source License

private void handleInput(Vector2 clickRelativePlayer, Vector2 mousePressedPosition, Vector2 distanceToMouse,
        Vector2 bulletVector) {/*from ww  w .j ava2 s . c  om*/
    Player player = getLocalPlayer();
    Integer movementSpeed = 250;
    Vector2 deltaPosition = new Vector2(0, 0);
    if (Gdx.input.isKeyPressed(Input.Keys.W)) {
        deltaPosition.y += movementSpeed;
        movementThisFrame = true;
    }
    if (Gdx.input.isKeyPressed(Input.Keys.S)) {
        deltaPosition.y -= movementSpeed;
        movementThisFrame = true;
    }
    if (Gdx.input.isKeyPressed(Input.Keys.A)) {
        deltaPosition.x -= movementSpeed;
        movementThisFrame = true;
    }
    if (Gdx.input.isKeyPressed(Input.Keys.D)) {
        deltaPosition.x += movementSpeed;
        movementThisFrame = true;
    }
    deltaPosition = deltaPosition.nor().scl(movementSpeed * Gdx.graphics.getDeltaTime());
    player.position.setPosition(player.position.getPosition(new Vector2()).add(deltaPosition));

    if (Gdx.input.isButtonPressed(Input.Buttons.LEFT))
        mousePressedPosition.set(Gdx.input.getX(), camera.viewportHeight - Gdx.input.getY());
    clickRelativePlayer.set(mousePressedPosition.x - player.position.x,
            -(mousePressedPosition.y - player.position.y));
    distanceToMouse.x = (float) Math.sqrt(
            clickRelativePlayer.x * clickRelativePlayer.x + clickRelativePlayer.y * clickRelativePlayer.y);
    bulletVector.x = ((windowSize.x + windowSize.y) * clickRelativePlayer.x) + player.position.x;
    bulletVector.y = ((windowSize.x + windowSize.y) * -clickRelativePlayer.y) + player.position.y;
}

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From source file:MeshBoneUtil.CreatureManager.java

License:Open Source License

public String ProcessContactBone(Vector2 pt_in, float radius, MeshBone bone_in) {
    String ret_name = "";
    Vector3 diff_vec = bone_in.getWorldEndPt().cpy().sub(bone_in.getWorldStartPt());

    Vector2 cur_vec = new Vector2(diff_vec.x, diff_vec.y);
    float cur_length = (float) cur_vec.len();

    Vector2 unit_vec = cur_vec.cpy();
    unit_vec.nor();

    Vector2 norm_vec = new Vector2(unit_vec.y, unit_vec.x);

    Vector2 src_pt = new Vector2(bone_in.getWorldStartPt().x, bone_in.getWorldStartPt().y);
    Vector2 rel_vec = pt_in.cpy().sub(src_pt);
    float proj = (float) rel_vec.dot(unit_vec);

    if ((proj >= 0) && (proj <= cur_length)) {
        float norm_proj = (float) rel_vec.dot(norm_vec);
        if (norm_proj <= radius) {
            return bone_in.getKey();
        }//from w w w.  j a v a  2s.c o  m
    }

    Vector<MeshBone> cur_children = bone_in.getChildren();
    for (MeshBone cur_child : cur_children) {
        ret_name = ProcessContactBone(pt_in, radius, cur_child);
        if (!(ret_name.equals(""))) {
            break;
        }
    }

    return ret_name;
}

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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);//  w  ww . j a v  a 2  s  .  c  om
        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:releasethekraken.entity.pirate.EntityGunTower.java

public void attack() {
    float newtonForce = 150F; //The amount of force applied to the projectile

    if (target != null) {
        Vector2 difference = this.target.getPos().cpy().sub(this.getPos()); //Get the difference vector
        difference.nor().scl(newtonForce); //Normalize it to a unit vector, and scale it
        new EntityBullet(this.world, this.getPos().x, this.getPos().y, difference.x, difference.y, this, 2);
    } // target//  w w w.j av a2 s  .c  o m
}

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From source file:releasethekraken.entity.pirate.EntityPirateCannon.java

public void attack() {
    float newtonForce = 1000F; //The amount of force applied to the projectile

    if (target != null) {
        Vector2 difference = this.target.getPos().cpy().sub(this.getPos()); //Get the difference vector
        difference.nor().scl(newtonForce); //Normalize it to a unit vector, and scale it
        new EntityCannonBomb(this.world, this.getPos().x, this.getPos().y, difference.x, difference.y, this,
                25);/*from  w w w.ja  v a 2s .  c om*/
    } // target
}

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From source file:releasethekraken.entity.seacreature.EntityFish.java

@Override
public void attack(int damage) {
    EntityPirate target = this.world.getClosestTarget(this, EntityPirate.class, 25, true);
    //System.out.println(target.toString());

    float newtonForce = 100F; //The amount of force applied to the projectile

    if (target != null) {
        Vector2 difference = target.getPos().cpy().sub(this.getPos()); //Get the difference vector
        difference.nor().scl(newtonForce); //Normalize it to a unit vector, and scale it
        new EntityWaterSquirt(this.world, this.getPos().x, this.getPos().y, difference.x, difference.y, this,
                damage);//from   www.j  av  a  2 s.  co m
    } // target
}

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From source file:releasethekraken.entity.seacreature.EntityOrca.java

/**
 * Builds and adds a new projectile to the world
 *//*from   w w w.ja v a  2  s.  co  m*/
@Override
public void attack(int damage) {
    EntityPirate target = this.world.getClosestTarget(this, EntityPirate.class, 50, true);
    //System.out.println(target.toString());

    float newtonForce = 1200F; //The amount of force applied to the projectile

    if (target != null) {
        Vector2 difference = target.getPos().cpy().sub(this.getPos()); //Get the difference vector
        difference.nor().scl(newtonForce); //Normalize it to a unit vector, and scale it
        new EntityWaterBomb(this.world, this.getPos().x, this.getPos().y, difference.x, difference.y, this,
                damage);
    } // target
}

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From source file:releasethekraken.entity.seacreature.EntityShark.java

@Override
public void update() {
    super.update();

    //Move towards enemies

    if (this.world.getWorldTime() % ReleaseTheKraken.TICK_RATE == 0) //Acquire a target every second
        this.target = this.world.getClosestTarget(this, EntityPirate.class, 20, true);

    Vector2 targetPos;/*from  www.j  a v  a  2 s  .  c o m*/

    if (this.target != null)
        targetPos = this.target.getPos(); //Move towards the target
    else
        targetPos = this.world.getPathTargetPos(this); //Follow the path

    //Move
    Vector2 difference = targetPos.sub(this.getPos());
    difference.nor().scl(this.moveForce);
    this.physBody.applyForce(difference, this.getPos(), true);

    float angleToTarget = targetPos.sub(this.getPos()).angle();

    //Convert to -180 to 180
    while (angleToTarget > 180)
        angleToTarget -= 360;
    while (angleToTarget < -180)
        angleToTarget += 360;

    //Get the angle difference
    float angle = angleToTarget - (this.physBody.getAngle() * MathUtils.radiansToDegrees);

    //Convert to -180 to 180
    while (angle > 180)
        angle -= 360;
    while (angle < -180)
        angle += 360;

    //Gdx.app.log(this.getClass().getSimpleName(), String.format("target: %20.20s, targetPos: %20.20s, angleToTarget: %10.10s, relativeAngle: %10.10s", this.target, targetPos, angleToTarget, angle));

    //Calculate torque to apply
    float torque = (angle > 0 ? 2000F : -2000F);

    //Rotate towards velocity
    this.physBody.applyTorque(torque, true);

    //The range at which the attack animation starts playing
    float attackRange = 6;

    //Change animation to attack animation if the distance is smaller than attackRange
    if (this.target != null && this.physBody.getPosition().sub(this.target.getPos()).len() < attackRange)
        this.currentAnimation = GameAssets.entitySharkAttackMoveAnimation;
    else
        this.currentAnimation = GameAssets.entitySharkMoveAnimation;
}

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From source file:releasethekraken.entity.seacreature.EntityTurtle.java

@Override
public void attack(int damage) {
    EntityPirate target = this.world.getClosestTarget(this, EntityPirate.class, 35, true);
    //System.out.println(target.toString());

    float newtonForce = 100F; //The amount of force applied to the projectile

    if (target != null) {
        Vector2 difference = target.getPos().cpy().sub(this.getPos()); //Get the difference vector
        difference.nor().scl(newtonForce); //Normalize it to a unit vector, and scale it
        new EntityWaterSquirt(this.world, this.getPos().x, this.getPos().y, difference.x, difference.y, this,
                damage);/*w ww  .j ava  2s . c  o m*/
    } // target
}

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