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

Introduction

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

Prototype

public Vector2(Vector2 v)

Source Link

Document

Constructs a vector from the given vector

Usage

From source file:com.github.unluckyninja.defenseofhuman.model.entity.Rope.java

License:Open Source License

public Rope(GameWorld gameWorld, Body body, Vector2 direction) {
    this.gameWorld = gameWorld;
    world = body.getWorld();/* w  ww .  j  a  v a 2 s.co  m*/
    bodyA = body;

    // ???
    Vector2 oriPosition = new Vector2(body.getPosition());
    if (direction.equals(Vector2.Zero)) {
        direction = Vector2.X;
    }
    Vector2 dir = new Vector2(direction);
    dir.nor();
    Vector2 distance = dir.scl(width / 2 * 1.25f); // ,?1/4,?

    // ?body
    bodyDef.angle = (float) Math.toRadians(dir.angle());
    bodyDef.position.set(distance.add(oriPosition));
    bodyDef.linearDamping = 0.3f;
    bodyDef.type = BodyDef.BodyType.DynamicBody;

    Body piece = body.getWorld().createBody(bodyDef);
    piece.setGravityScale(0.1f);

    // ?
    // ??,????
    fixtureDef.isSensor = true;
    fixtureDef.density = 0.001f;

    polygonShape.setAsBox(width / 2, height / 2);

    fixtureDef.shape = polygonShape;

    piece.createFixture(fixtureDef);

    // ?
    RevoluteJointDef rjDef = new RevoluteJointDef();
    rjDef.bodyA = body;
    rjDef.bodyB = piece;

    rjDef.localAnchorA.x = 0;
    rjDef.localAnchorA.y = 0;
    rjDef.localAnchorB.x = -width / 2 * 1.25f;
    rjDef.localAnchorB.y = 0;

    joints.add(body.getWorld().createJoint(rjDef));
    pieces.add(piece);

    piece.setUserData(this);

}

From source file:com.jmolina.orb.elements.LinearMagnetic.java

License:Open Source License

/**
 * Indica si el punto se encuentra en la cara frontal del elemento. La cara frontal es la que
 * queda a la izquierda del vector segmento (Start-End).
 *
 * @param point Punto en coordenadas del mundo
 *//*ww  w.  j ava2 s .  c  o  m*/
private boolean atFrontSide(Vector2 point) {
    Vector2 vectorStartPoint = new Vector2(point);
    vectorStartPoint.sub(getStart());

    return getSegment().angle(vectorStartPoint) >= 0;
}

From source file:com.kotcrab.vis.editor.module.physicseditor.util.Clipper.java

License:Apache License

public static Vector2[][] polygonize(Polygonizer polygonizer, Vector2[] points) {
    Vector2[][] polygons = null;//from   w ww. java 2s  .c o m

    if (PolygonUtils.isPolygonCCW(points))
        ArrayUtils.reverse(points);

    switch (polygonizer) {
    case EWJORDAN:
        polygons = EwjordanDecomposer.decompose(points);
        break;

    case BAYAZIT:
        Array<Vector2> tmpPoints = new Array<Vector2>(points.length);
        tmpPoints.addAll(points);

        Array<Array<Vector2>> tmpPolygons;

        try {
            tmpPolygons = BayazitDecomposer.ConvexPartition(tmpPoints);
        } catch (Exception ex) {
            tmpPolygons = null;
        }

        if (tmpPolygons != null) {
            polygons = new Vector2[tmpPolygons.size][];
            for (int i = 0; i < tmpPolygons.size; i++) {
                polygons[i] = new Vector2[tmpPolygons.get(i).size];
                for (int ii = 0; ii < tmpPolygons.get(i).size; ii++)
                    polygons[i][ii] = new Vector2(tmpPolygons.get(i).get(ii));
            }
        }
        break;
    }

    if (polygons != null)
        polygons = sliceForMax8Vertices(polygons);
    return polygons;
}

From source file:com.kotcrab.vis.editor.module.scene.action.ChangePolygonAction.java

License:Apache License

private Array<Vector2> copyArray(Array<Vector2> orig) {
    Array<Vector2> copy = new Array<>(orig.size);

    for (Vector2 v : orig) {
        copy.add(new Vector2(v));
    }/*from  w  ww  . j a  v  a  2s .  c  om*/

    return copy;
}

From source file:com.laex.cg2d.render.impl.ScreenManagerImpl.java

License:Open Source License

@Override
public Body switchAnimation(final String id, final String animationName) {
    Body switchedBody = null;/*from www .j av a2s  . com*/
    Array<Body> bodies = new Array<Body>();
    world.getBodies(bodies);

    for (Body bod : bodies) {
        CGShape shape = (CGShape) bod.getUserData();

        if (id.equals(shape.getId())) {
            try {
                Vector2 positionToCopy = new Vector2(bod.getTransform().getPosition());
                float rotation = bod.getTransform().getRotation();

                world.destroyBody(bod);
                entityManager.removeEntity(shape);

                switchedBody = entityManager.createEntity(shape, animationName);

                if (switchedBody != null) {
                    switchedBody.setTransform(positionToCopy, rotation);
                }

            } catch (IOException e) {
                AppExceptionUtil.handle(e);
            }
        }

    }

    return switchedBody;
}

From source file:com.me.mygdxgame.MoveableActor.java

License:Apache License

public Vector2 getWorldCenter() {
    return new Vector2(body.getWorldCenter().sub(size.cpy().div(2f)));
}