Examples with Transform com.badlogic.gdx.physics.box2d.Transform used on opensource projects

Example 1 with Transform

use of com.badlogic.gdx.physics.box2d.Transform in project Entitas-Java by Rubentxu.

the class ActuatorEntity method addParticleEffectActuator.

public ActuatorEntity addParticleEffectActuator(ParticleEffect effect, boolean autoStart, float locaPosX, float locaPosY) {
    ParticleEffectActuator component = (ParticleEffectActuator) recoverComponent(ActuatorComponentsLookup.ParticleEffectActuator);
    if (component == null) {
        component = new ParticleEffectActuator(effect, autoStart, locaPosX, locaPosY);
    } else {
        component.particleEffect = effect;
        component.actuator = (indexOwner) -> {
            GameEntity owner = Indexed.getInteractiveEntity(indexOwner);
            RigidBody rc = owner.getRigidBody();
            Transform transform = rc.body.getTransform();
            effect.setPosition(transform.getPosition().x + locaPosX, transform.getPosition().y + locaPosY);
            effect.update(Gdx.graphics.getDeltaTime());
            if (autoStart && effect.isComplete())
                effect.start();
        };
    }
    addComponent(ActuatorComponentsLookup.ParticleEffectActuator, component);
    return this;
}

Example 2 with Transform

use of com.badlogic.gdx.physics.box2d.Transform in project Entitas-Java by Rubentxu.

the class ActuatorEntity method replaceCameraActuator.

public ActuatorEntity replaceCameraActuator(Camera camera, short height, float damping, float minDistanceX, float minDistanceY, String followTagEntity) {
    CameraActuator component = (CameraActuator) recoverComponent(ActuatorComponentsLookup.CameraActuator);
    if (component == null) {
        component = new CameraActuator(camera, height, damping, minDistanceX, minDistanceY, followTagEntity);
    } else {
        component.actuator = (indexOwner) -> {
            Set<GameEntity> followEntities = Indexed.getTagEntities(followTagEntity);
            for (GameEntity followEntity : followEntities) {
                RigidBody rc = followEntity.getRigidBody();
                Transform transform = rc.body.getTransform();
                Vector3 position = camera.position;
                position.x += (transform.getPosition().x + minDistanceX - position.x) * damping;
                position.y += (transform.getPosition().y + minDistanceY - position.y) * height;
            }
        };
    }
    replaceComponent(ActuatorComponentsLookup.CameraActuator, component);
    return this;
}

Example 3 with Transform

use of com.badlogic.gdx.physics.box2d.Transform in project libgdx by libgdx.

the class ApplyForce method createWorld.

@Override
protected void createWorld(World world) {
    world.setGravity(new Vector2(0, 0));
    float k_restitution = 0.4f;
    Body ground;
    {
        BodyDef bd = new BodyDef();
        bd.position.set(0, 20);
        ground = world.createBody(bd);
        EdgeShape shape = new EdgeShape();
        FixtureDef sd = new FixtureDef();
        sd.shape = shape;
        sd.density = 0;
        sd.restitution = k_restitution;
        shape.set(new Vector2(-20, -20), new Vector2(-20, 20));
        ground.createFixture(sd);
        shape.set(new Vector2(20, -20), new Vector2(20, 20));
        ground.createFixture(sd);
        shape.set(new Vector2(-20, 20), new Vector2(20, 20));
        ground.createFixture(sd);
        shape.set(new Vector2(-20, -20), new Vector2(20, -20));
        ground.createFixture(sd);
        shape.dispose();
    }
    {
        Transform xf1 = new Transform(new Vector2(), 0.3524f * (float) Math.PI);
        xf1.setPosition(xf1.mul(new Vector2(1, 0)));
        Vector2[] vertices = new Vector2[3];
        vertices[0] = xf1.mul(new Vector2(-1, 0));
        vertices[1] = xf1.mul(new Vector2(1, 0));
        vertices[2] = xf1.mul(new Vector2(0, 0.5f));
        PolygonShape poly1 = new PolygonShape();
        poly1.set(vertices);
        FixtureDef sd1 = new FixtureDef();
        sd1.shape = poly1;
        sd1.density = 4.0f;
        Transform xf2 = new Transform(new Vector2(), -0.3524f * (float) Math.PI);
        xf2.setPosition(xf2.mul(new Vector2(-1, 0)));
        vertices[0] = xf2.mul(new Vector2(-1, 0));
        vertices[1] = xf2.mul(new Vector2(1, 0));
        vertices[2] = xf2.mul(new Vector2(0, 0.5f));
        PolygonShape poly2 = new PolygonShape();
        poly2.set(vertices);
        FixtureDef sd2 = new FixtureDef();
        sd2.shape = poly2;
        sd2.density = 2.0f;
        BodyDef bd = new BodyDef();
        bd.type = BodyType.DynamicBody;
        bd.angularDamping = 5.0f;
        bd.linearDamping = 0.1f;
        bd.position.set(0, 2);
        bd.angle = (float) Math.PI;
        bd.allowSleep = false;
        m_body = world.createBody(bd);
        m_body.createFixture(sd1);
        m_body.createFixture(sd2);
        poly1.dispose();
        poly2.dispose();
    }
    {
        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 < 10; i++) {
            BodyDef bd = new BodyDef();
            bd.type = BodyType.DynamicBody;
            bd.position.set(0, 5 + 1.54f * i);
            Body body = world.createBody(bd);
            body.createFixture(fd);
            float gravity = 10.0f;
            float I = body.getInertia();
            float mass = body.getMass();
            float radius = (float) Math.sqrt(2 * I / mass);
            FrictionJointDef jd = new FrictionJointDef();
            jd.localAnchorA.set(0, 0);
            jd.localAnchorB.set(0, 0);
            jd.bodyA = ground;
            jd.bodyB = body;
            jd.collideConnected = true;
            jd.maxForce = mass * gravity;
            jd.maxTorque = mass * radius * gravity;
            world.createJoint(jd);
        }
        shape.dispose();
    }
}

Example 4 with Transform

use of com.badlogic.gdx.physics.box2d.Transform in project Entitas-Java by Rubentxu.

the class ActuatorEntity method addCameraActuator.

public ActuatorEntity addCameraActuator(Camera camera, short height, float damping, float minDistanceX, float minDistanceY, String followTagEntity) {
    CameraActuator component = (CameraActuator) recoverComponent(ActuatorComponentsLookup.CameraActuator);
    if (component == null) {
        component = new CameraActuator(camera, height, damping, minDistanceX, minDistanceY, followTagEntity);
    } else {
        component.actuator = (indexOwner) -> {
            Set<GameEntity> followEntities = Indexed.getTagEntities(followTagEntity);
            for (GameEntity followEntity : followEntities) {
                RigidBody rc = followEntity.getRigidBody();
                Transform transform = rc.body.getTransform();
                Vector3 position = camera.position;
                position.x += (transform.getPosition().x + minDistanceX - position.x) * damping;
                position.y += (transform.getPosition().y + minDistanceY - position.y) * height;
            }
        };
    }
    addComponent(ActuatorComponentsLookup.CameraActuator, component);
    return this;
}

Example 5 with Transform

use of com.badlogic.gdx.physics.box2d.Transform in project Entitas-Java by Rubentxu.

the class ActuatorEntity method replaceParticleEffectActuator.

public ActuatorEntity replaceParticleEffectActuator(ParticleEffect effect, boolean autoStart, float locaPosX, float locaPosY) {
    ParticleEffectActuator component = (ParticleEffectActuator) recoverComponent(ActuatorComponentsLookup.ParticleEffectActuator);
    if (component == null) {
        component = new ParticleEffectActuator(effect, autoStart, locaPosX, locaPosY);
    } else {
        component.particleEffect = effect;
        component.actuator = (indexOwner) -> {
            GameEntity owner = Indexed.getInteractiveEntity(indexOwner);
            RigidBody rc = owner.getRigidBody();
            Transform transform = rc.body.getTransform();
            effect.setPosition(transform.getPosition().x + locaPosX, transform.getPosition().y + locaPosY);
            effect.update(Gdx.graphics.getDeltaTime());
            if (autoStart && effect.isComplete())
                effect.start();
        };
    }
    replaceComponent(ActuatorComponentsLookup.ParticleEffectActuator, component);
    return this;
}