Example usage for com.badlogic.gdx.physics.box2d Shape setRadius

Introduction

In this page you can find the example usage for com.badlogic.gdx.physics.box2d Shape setRadius.

Prototype

public abstract void setRadius(float radius);

Source Link

Document

Sets the radius of this shape

Usage

From source file:com.hajnar.GravityShip.GameObjects.BlackHole.java

License:Apache License

public BlackHole(World world, float x, float y, int strength) {
    super(world, BodyType.StaticBody, OBJECT_TYPE_BLACKHOLE, x, y, 0);

    sprite = new Sprite(Assets.blackHoleRegions[0]);
    sprite.setPosition(objectBody.getPosition().x * Helper.BOX_TO_WORLD - sprite.getWidth() / 2,
            objectBody.getPosition().y * Helper.BOX_TO_WORLD - sprite.getHeight() / 2);

    timeWarp = new Animation(0.05f, Assets.blackHoleRegions);

    Shape circle = new CircleShape();
    circle.setRadius(0.55f);

    FixtureDef fixtureDef = new FixtureDef();
    fixtureDef.shape = circle;//from www .  j a v a  2 s  .c o m

    objectBody.createFixture(fixtureDef);

    circle.dispose();

    objectBody.setUserData(this);

    animTime = 0;
    this.strength = strength;
}

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From source file:es.eucm.ead.engine.gameobjects.effects.PhysicsEffectGO.java

License:Open Source License

public static void createBody(World world, SceneElement e, ValueMap valueMap) {
    float x = valueMap.getValue(e, SceneElement.VAR_X, 0f) / WORLD_SCALE;
    float y = valueMap.getValue(e, SceneElement.VAR_Y, 0f) / WORLD_SCALE;
    float width = valueMap.getValue(e, SceneElement.VAR_WIDTH, 1) / WORLD_SCALE;
    float height = valueMap.getValue(e, SceneElement.VAR_HEIGHT, 1) / WORLD_SCALE;

    // TODO what if corner is not center?
    PhType phType = valueMap.getValue(e, PhysicsEf.VAR_PH_TYPE, PhType.DYNAMIC);
    PhShape phShape = valueMap.getValue(e, PhysicsEf.VAR_PH_SHAPE, PhShape.RECTANGULAR);

    Shape s = null;
    switch (phShape) {
    case CIRCULAR:
        s = new CircleShape();
        s.setRadius(width / 2);
        break;/*from   w  w  w  .  ja  v a2s.  co m*/
    default:
        s = new PolygonShape();
        ((PolygonShape) s).setAsBox(width / 2, height / 2);

    }

    BodyDef bd = new BodyDef();

    switch (phType) {
    case STATIC:
        bd.type = BodyType.StaticBody;
        break;
    case DYNAMIC:
        bd.type = BodyType.DynamicBody;
        break;
    }

    bd.position.set(x, y);
    bd.angle = valueMap.getValue(e, SceneElement.VAR_ROTATION, 0f);

    FixtureDef fixture = new FixtureDef();
    fixture.shape = s;
    fixture.density = valueMap.getValue(e, PhysicsEf.VAR_PH_DENSITY, 1f);
    fixture.friction = valueMap.getValue(e, PhysicsEf.VAR_PH_FRICTION, 1f);
    fixture.restitution = valueMap.getValue(e, PhysicsEf.VAR_PH_RESTITUTION, 1f);

    Body body = world.createBody(bd);
    body.createFixture(fixture);

    body.resetMassData();

    valueMap.setValue(e.getId(), VAR_PH_BODY, body);
}

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From source file:loon.physics.PhysicsFixtureDefBuilder.java

License:Apache License

public PhysicsFixtureDefBuilder circleShape(float radius) {
    Shape shape = new CircleShape();
    shape.setRadius(radius);
    fixtureDef.shape = shape;/*from ww w . j av a2  s . c o  m*/
    return this;
}

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From source file:net.dermetfan.utils.libgdx.box2d.Box2DUtils.java

License:Apache License

/** creates a deep copy of a {@link Shape}<br/>
 *  <strong>Note: The {@link ChainShape#setPrevVertex(float, float) previous} and {@link ChainShape#setNextVertex(float, float) next} vertex of a {@link ChainShape} will not be copied since this is not possible due to the API.</strong>
 *  @param shape the {@link Shape} to copy
 *  @return a {@link Shape} exactly like the one passed in */
public static Shape copy(Shape shape) {
    Shape copy;
    switch (shape.getType()) {
    case Circle://from   w  ww  . ja v a 2s .  c o m
        CircleShape circleCopy = (CircleShape) (copy = new CircleShape());
        circleCopy.setPosition(((CircleShape) shape).getPosition());
        break;
    case Polygon:
        PolygonShape polyCopy = (PolygonShape) (copy = new PolygonShape()), poly = (PolygonShape) shape;
        float[] vertices = new float[poly.getVertexCount()];
        for (int i = 0; i < vertices.length; i++) {
            poly.getVertex(i, vec2_0);
            vertices[i++] = vec2_0.x;
            vertices[i] = vec2_0.y;
        }
        polyCopy.set(vertices);
        break;
    case Edge:
        EdgeShape edgeCopy = (EdgeShape) (copy = new EdgeShape()), edge = (EdgeShape) shape;
        edge.getVertex1(vec2_0);
        edge.getVertex2(vec2_1);
        edgeCopy.set(vec2_0, vec2_1);
        break;
    case Chain:
        ChainShape chainCopy = (ChainShape) (copy = new ChainShape()), chain = (ChainShape) shape;
        vertices = new float[chain.getVertexCount()];
        for (int i = 0; i < vertices.length; i++) {
            chain.getVertex(i, vec2_0);
            vertices[i++] = vec2_0.x;
            vertices[i] = vec2_0.y;
        }
        if (chain.isLooped())
            chainCopy.createLoop(GeometryUtils.toVector2Array(vertices));
        else
            chainCopy.createChain(vertices);
        break;
    default:
        return shape;
    }
    copy.setRadius(shape.getRadius());
    return copy;
}

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From source file:Utils.CreateCircle.java

public static Body createCircle(World world, int x, int y, float radius) {
    Shape c = new CircleShape();
    c.setRadius(radius);
    BodyDef bd = new BodyDef();
    bd.type = BodyDef.BodyType.DynamicBody;

    Body b = world.createBody(bd);//  w ww .j  a va2  s.  c  o  m
    b.createFixture(c, 1f);
    b.setTransform(x, y, 0);
    return b;
}

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