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

Example 1 with EdgeShape

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

the class VerticalStack method createWorld.

@Override
protected void createWorld(World world) {
    {
        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;
}

Example 2 with EdgeShape

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

the class ConveyorBelt method createWorld.

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

Example 3 with EdgeShape

use of com.badlogic.gdx.physics.box2d.EdgeShape in project RubeLoader by tescott.

the class FixtureSerializer method read.

@SuppressWarnings("rawtypes")
@Override
public Fixture read(Json json, JsonValue jsonData, Class type) {
    if (body == null)
        return null;
    json.setIgnoreUnknownFields(true);
    FixtureDef defaults = RubeDefaults.Fixture.definition;
    FixtureDef def = new FixtureDef();
    json.readFields(def, jsonData);
    def.friction = json.readValue("friction", float.class, defaults.friction, jsonData);
    def.density = json.readValue("density", float.class, defaults.density, jsonData);
    def.restitution = json.readValue("restitution", float.class, defaults.restitution, jsonData);
    def.isSensor = json.readValue("sensor", boolean.class, defaults.isSensor, jsonData);
    def.filter.maskBits = json.readValue("filter-maskBits", short.class, defaults.filter.maskBits, jsonData);
    def.filter.categoryBits = json.readValue("filter-categoryBits", short.class, defaults.filter.categoryBits, jsonData);
    def.filter.groupIndex = json.readValue("filter-groupIndex", short.class, defaults.filter.groupIndex, jsonData);
    CircleShape circle = json.readValue("circle", CircleShape.class, jsonData);
    if (circle != null) {
        def.shape = circle;
    } else {
        EdgeShape edge = json.readValue("edge", EdgeShape.class, jsonData);
        if (edge != null) {
            def.shape = edge;
        } else {
            chainShapeSerializer.setReadLoop(false);
            ChainShape chain = json.readValue("chain", ChainShape.class, jsonData);
            if (chain != null) {
                def.shape = chain;
            } else {
                chainShapeSerializer.setReadLoop(true);
                chain = json.readValue("loop", ChainShape.class, jsonData);
                if (chain != null) {
                    def.shape = chain;
                } else {
                    PolygonShape polygon = json.readValue("polygon", PolygonShape.class, jsonData);
                    if (polygon != null) {
                        def.shape = polygon;
                    } else {
                        edge = json.readValue("polygon", EdgeShape.class, jsonData);
                        if (edge != null) {
                            def.shape = edge;
                        }
                    }
                }
            }
        }
    }
    Fixture fixture = body.createFixture(def);
    def.shape.dispose();
    scene.parseCustomProperties(json, fixture, jsonData);
    String name = json.readValue("name", String.class, jsonData);
    if (name != null) {
        scene.putNamed(name, fixture);
    }
    return fixture;
}

Example 4 with EdgeShape

use of com.badlogic.gdx.physics.box2d.EdgeShape 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 5 with EdgeShape

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

the class Bridge method createWorld.

@Override
protected void createWorld(World world) {
    Body ground;
    {
        BodyDef bd = new BodyDef();
        ground = world.createBody(bd);
        EdgeShape shape = new EdgeShape();
        shape.set(new Vector2(-40, 0), new Vector2(40.0f, 0));
        ground.createFixture(shape, 0);
        shape.dispose();
    }
    {
        PolygonShape shape = new PolygonShape();
        shape.setAsBox(0.5f, 0.125f);
        FixtureDef fd = new FixtureDef();
        fd.shape = shape;
        fd.density = 20.0f;
        fd.friction = 0.2f;
        RevoluteJointDef jd = new RevoluteJointDef();
        Body prevBody = ground;
        for (int i = 0; i < e_count; i++) {
            BodyDef bd = new BodyDef();
            bd.type = BodyType.DynamicBody;
            bd.position.set(-14.5f + 1.0f * i, 5.0f);
            Body body = world.createBody(bd);
            body.createFixture(fd);
            Vector2 anchor = new Vector2(-15.0f + 1.0f * i, 5.0f);
            jd.initialize(prevBody, body, anchor);
            world.createJoint(jd);
            prevBody = body;
        }
        Vector2 anchor = new Vector2(-15.0f + 1.0f * e_count, 5.0f);
        jd.initialize(prevBody, ground, anchor);
        world.createJoint(jd);
        shape.dispose();
    }
    for (int i = 0; i < 2; i++) {
        Vector2[] vertices = new Vector2[3];
        vertices[0] = new Vector2(-0.5f, 0);
        vertices[1] = new Vector2(0.5f, 0);
        vertices[2] = new Vector2(0, 1.5f);
        PolygonShape shape = new PolygonShape();
        shape.set(vertices);
        FixtureDef fd = new FixtureDef();
        fd.shape = shape;
        fd.density = 1.0f;
        BodyDef bd = new BodyDef();
        bd.type = BodyType.DynamicBody;
        bd.position.set(-8.0f + 8.0f * i, 12.0f);
        Body body = world.createBody(bd);
        body.createFixture(fd);
        shape.dispose();
    }
    for (int i = 0; i < 3; i++) {
        CircleShape shape = new CircleShape();
        shape.setRadius(0.5f);
        FixtureDef fd = new FixtureDef();
        fd.shape = shape;
        fd.density = 1.0f;
        BodyDef bd = new BodyDef();
        bd.type = BodyType.DynamicBody;
        bd.position.set(-6.0f + 6.0f * i, 10.0f);
        Body body = world.createBody(bd);
        body.createFixture(fd);
        shape.dispose();
    }
}