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(float x, float y) 

Source Link

Document

Constructs a vector with the given components

Usage

From source file:com.badlogic.gdx.tests.box2d.OneSidedPlatform.java

License:Apache License

@Override
protected void createWorld(World world) {
    {//from   w ww.j a  va2  s.co m
        BodyDef bd = new BodyDef();
        Body ground = world.createBody(bd);

        EdgeShape shape = new EdgeShape();
        shape.set(new Vector2(-20.0f, 0), new Vector2(20.0f, 0f));
        ground.createFixture(shape, 0);
        shape.dispose();
    }

    {
        BodyDef bd = new BodyDef();
        bd.position.set(0, 10);
        Body body = world.createBody(bd);

        PolygonShape shape = new PolygonShape();
        shape.setAsBox(3, 0.5f);
        m_platform = body.createFixture(shape, 0);
        m_bottom = 10.0f - 0.5f;
        m_top = 10.0f + 0.5f;
    }

    {
        BodyDef bd = new BodyDef();
        bd.type = BodyType.DynamicBody;
        bd.position.set(0, 12);
        Body body = world.createBody(bd);

        m_radius = 0.5f;
        CircleShape shape = new CircleShape();
        shape.setRadius(m_radius);
        m_character = body.createFixture(shape, 20.0f);
        shape.dispose();

        m_state = State.Unknown;
    }

    world.setContactFilter(new ContactFilter() {

        @Override
        public boolean shouldCollide(Fixture fixtureA, Fixture fixtureB) {
            if ((fixtureA == m_platform && fixtureB == m_character)
                    || (fixtureA == m_platform && fixtureB == m_character)) {
                Vector2 position = m_character.getBody().getPosition();
                if (position.y < m_top + m_radius - 3.0f * 0.005f)
                    return false;
                else
                    return true;
            } else
                return true;
        }

    });
}

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From source file:com.badlogic.gdx.tests.box2d.PhysicalCell.java

public void applyForce(int i, int j, Vector2 force) {
    bodies[i][j].applyForce(force, new Vector2(0, 0));
}

---

From source file:com.badlogic.gdx.tests.box2d.PhysicalCell.java

public void applyLinearImpulse(int i, int j, Vector2 force) {
    bodies[i][j].applyLinearImpulse(force, new Vector2(0, 0));
}

---

From source file:com.badlogic.gdx.tests.box2d.Prismatic.java

License:Apache License

@Override
protected void createWorld(World world) {
    Body ground;/* w  w  w  .  j  a va 2s.com*/

    {
        BodyDef bd = new BodyDef();
        ground = world.createBody(bd);
        EdgeShape shape = new EdgeShape();
        shape.set(new Vector2(-40, 0), new Vector2(40, 0));
        ground.createFixture(shape, 0);
        shape.dispose();
    }

    {
        PolygonShape shape = new PolygonShape();
        shape.setAsBox(2, 5);

        BodyDef bd = new BodyDef();
        bd.type = BodyType.DynamicBody;
        bd.position.set(-10, 10);
        bd.angle = 0.5f * (float) Math.PI;
        bd.allowSleep = false;

        Body body = world.createBody(bd);
        body.createFixture(shape, 5.0f);

        PrismaticJointDef pjd = new PrismaticJointDef();

        Vector2 axis = new Vector2(2, 1);
        axis.nor();
        pjd.initialize(ground, body, new Vector2(0, 0), axis);

        pjd.motorSpeed = 10.0f;
        pjd.maxMotorForce = 10000.0f;
        pjd.enableMotor = true;
        pjd.lowerTranslation = 0;
        pjd.upperTranslation = 20.0f;
        pjd.enableLimit = true;

        m_joint = (PrismaticJoint) world.createJoint(pjd);
    }
}

---

From source file:com.badlogic.gdx.tests.box2d.Pyramid.java

License:Apache License

@Override
protected void createWorld(World world) {
    {/*  ww  w  .  ja  v a 2 s . c  o m*/
        BodyDef bd = new BodyDef();
        Body ground = world.createBody(bd);

        EdgeShape shape = new EdgeShape();
        shape.set(new Vector2(-40, 0), new Vector2(40, 0));
        ground.createFixture(shape, 0.0f);
        shape.dispose();
    }

    {
        float a = 0.5f;
        PolygonShape shape = new PolygonShape();
        shape.setAsBox(a, a);

        Vector2 x = new Vector2(-7.0f, 0.75f);
        Vector2 y = new Vector2();
        Vector2 deltaX = new Vector2(0.5625f, 1.25f);
        Vector2 deltaY = new Vector2(1.125f, 0.0f);

        for (int i = 0; i < 20; i++) {
            y.set(x);

            for (int j = i; j < 20; j++) {
                BodyDef bd = new BodyDef();
                bd.type = BodyType.DynamicBody;
                bd.position.set(y);
                Body body = world.createBody(bd);
                body.createFixture(shape, 5.0f);

                y.add(deltaY);
            }

            x.add(deltaX);
        }

    }
}

---

From source file:com.badlogic.gdx.tests.box2d.SphereStack.java

License:Apache License

@Override
protected void createWorld(World world) {
    {/*from w ww  .  j a v  a  2 s . c o  m*/
        BodyDef bd = new BodyDef();
        Body ground = world.createBody(bd);

        EdgeShape shape = new EdgeShape();
        shape.set(new Vector2(-40, 0), new Vector2(40, 0));
        ground.createFixture(shape, 0);
        shape.dispose();
    }

    {
        CircleShape shape = new CircleShape();
        shape.setRadius(1.0f);

        for (int i = 0; i < e_count; i++) {
            BodyDef bd = new BodyDef();
            bd.type = BodyType.DynamicBody;
            bd.position.set(0, 4.0f + 3.0f * i);
            Body body = world.createBody(bd);
            body.createFixture(shape, 1.0f);
        }

        shape.dispose();
    }

}

---

From source file:com.badlogic.gdx.tests.box2d.VaryingRestitution.java

License:Apache License

@Override
protected void createWorld(World world) {
    {//from www . j av a 2s  .  c o m
        BodyDef bd = new BodyDef();
        Body ground = world.createBody(bd);

        EdgeShape shape = new EdgeShape();
        shape.set(new Vector2(-40, 0), new Vector2(40, 0));
        ground.createFixture(shape, 0.0f);
        shape.dispose();
    }

    {
        CircleShape shape = new CircleShape();
        shape.setRadius(1);

        FixtureDef fd = new FixtureDef();
        fd.shape = shape;
        fd.density = 1.0f;

        float restitution[] = { 0, 0.1f, 0.3f, 0.5f, 0.75f, 0.9f, 1.0f };

        for (int i = 0; i < restitution.length; i++) {
            BodyDef bd = new BodyDef();
            bd.type = BodyType.DynamicBody;
            bd.position.set(-10.0f + 3.0f * i, 20.0f);

            Body body = world.createBody(bd);
            fd.restitution = restitution[i];
            body.createFixture(fd);
        }

        shape.dispose();
    }
}

---

From source file:com.badlogic.gdx.tests.box2d.VerticalStack.java

License:Apache License

@Override
protected void createWorld(World world) {
    {/*from   w ww  .j  a  va2 s .  co m*/
        BodyDef bd = new BodyDef();
        Body ground = world.createBody(bd);

        EdgeShape shape = new EdgeShape();
        shape.set(new Vector2(-40, 0), new Vector2(40, 0));
        ground.createFixture(shape, 0.0f);

        shape.set(new Vector2(20, 0), new Vector2(20, 20));
        ground.createFixture(shape, 0);
        shape.dispose();
    }

    float xs[] = { 0, -10, -5, 5, 10 };

    for (int j = 0; j < e_columnCount; j++) {
        PolygonShape shape = new PolygonShape();
        shape.setAsBox(0.5f, 0.5f);

        FixtureDef fd = new FixtureDef();
        fd.shape = shape;
        fd.density = 1.0f;
        fd.friction = 0.3f;

        for (int i = 0; i < e_rowCount; i++) {
            BodyDef bd = new BodyDef();
            bd.type = BodyType.DynamicBody;

            int n = j * e_rowCount + i;
            m_indices[n] = n;

            float x = 0;
            bd.position.set(xs[j] + x, 0.752f + 1.54f * i);
            Body body = world.createBody(bd);
            body.setUserData(n);

            m_bodies[n] = body;
            body.createFixture(fd);
        }

        shape.dispose();
    }

    m_bullet = null;
}

---

From source file:com.badlogic.gdx.tests.box2d.VerticalStack.java

License:Apache License

@Override
public boolean keyDown(int keyCode) {
    if (keyCode == Input.Keys.COMMA) {
        if (m_bullet != null) {
            world.destroyBody(m_bullet);
            m_bullet = null;/*from  w w w.j a v a  2 s. c o m*/
        }

        {
            CircleShape shape = new CircleShape();
            shape.setRadius(0.25f);

            FixtureDef fd = new FixtureDef();
            fd.shape = shape;
            fd.density = 20.0f;
            fd.restitution = 0.05f;

            BodyDef bd = new BodyDef();
            bd.type = BodyType.DynamicBody;
            bd.bullet = true;
            bd.position.set(-31, 5);

            m_bullet = world.createBody(bd);
            m_bullet.createFixture(fd);

            m_bullet.setLinearVelocity(new Vector2(400, 0));
        }
    }

    return false;
}

---

From source file:com.badman.slingmango.data.ConveyorBelt2.java

License:Apache License

@Override
protected void createWorld(World world) {
    world.setContactListener(this);

    // Ground/*from w  w  w. j ava  2 s  . c  o  m*/
    {
        BodyDef bodyDef = new BodyDef();
        groundBody = world.createBody(bodyDef);

        EdgeShape shape = new EdgeShape();
        shape.set(new Vector2(-20.0f, 0.0f), new Vector2(20.0f, 0.0f));
        groundBody.createFixture(shape, 0.0f);
    }

    // Platform
    {
        BodyDef bd = new BodyDef();
        bd.position.set(-5.0f, 5.0f);
        Body body = world.createBody(bd);

        PolygonShape shape = new PolygonShape();
        shape.setAsBox(10.0f, 0.5f);

        FixtureDef fd = new FixtureDef();
        fd.shape = shape;
        fd.friction = 0.8f;
        m_platform = body.createFixture(fd);
    }

    // Boxes
    for (int i = 0; i < 5; ++i) {
        /*BodyDef bd = new BodyDef();
        bd.type = BodyType.DynamicBody;
        bd.position.set(-10.0f + 2.0f * i, 7.0f);
        Body body = world.createBody(bd);
                
        PolygonShape shape = new PolygonShape();
        shape.setAsBox(0.5f, 0.5f);
        body.createFixture(shape, 20.0f);*/

        Mango mango = new Mango(world);
        mango.body.setTransform(-10.0f + 2.0f * i, 7.0f, 0);
    }

    texture = new Texture(Gdx.files.internal("basket.png"));
}

---

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