Examples with Body spacegraph.space2d.phys.dynamics.Body used on opensource projects

Example 1 with Body

use of spacegraph.space2d.phys.dynamics.Body in project narchy by automenta.

the class SwingDraw method draw.

public void draw(World w) {
    graphics = panel.getDBGraphics();
    // for (LayerDraw l : layers) l.drawGround(this, w);
    int flags = getFlags();
    if ((flags & DebugDraw.e_shapeBit) != 0) {
        for (Body b = w.getBodyList(); b != null; b = b.getNext()) {
            drawBody(b);
        }
    // drawParticleSystem(m_particleSystem);
    }
    if ((flags & DebugDraw.e_jointBit) != 0) {
        for (Joint j = w.getJointList(); j != null; j = j.getNext()) {
            drawJoint(j);
        }
    }
// if ((flags & DebugDraw.e_pairBit) != 0) {
// color.set(0.3f, 0.9f, 0.9f);
// for (Contact c = m_contactManager.m_contactList; c != null; c = c.getNext()) {
// Fixture fixtureA = c.getFixtureA();
// Fixture fixtureB = c.getFixtureB();
// fixtureA.getAABB(c.getChildIndexA()).getCenterToOut(cA);
// fixtureB.getAABB(c.getChildIndexB()).getCenterToOut(cB);
// drawSegment(cA, cB, color);
// }
// }
// 
// if ((flags & DebugDraw.e_aabbBit) != 0) {
// color.set(0.9f, 0.3f, 0.9f);
// 
// for (Body b = m_bodyList; b != null; b = b.getNext()) {
// if (b.isActive() == false) {
// continue;
// }
// 
// for (Fixture f = b.getFixtureList(); f != null; f = f.getNext()) {
// for (int i = 0; i < f.m_proxyCount; ++i) {
// FixtureProxy proxy = f.m_proxies[i];
// AABB aabb = m_contactManager.m_broadPhase.getFatAABB(proxy.proxyId);
// if (aabb != null) {
// Vec2[] vs = avs.get(4);
// vs[0].set(aabb.lowerBound.x, aabb.lowerBound.y);
// vs[1].set(aabb.upperBound.x, aabb.lowerBound.y);
// vs[2].set(aabb.upperBound.x, aabb.upperBound.y);
// vs[3].set(aabb.lowerBound.x, aabb.upperBound.y);
// drawPolygon(vs, 4, color);
// }
// }
// }
// }
// }
// 
// if ((flags & DebugDraw.e_centerOfMassBit) != 0) {
// for (Body b = m_bodyList; b != null; b = b.getNext()) {
// xf.set(b.getTransform());
// xf.p.set(b.getWorldCenter());
// drawTransform(xf);
// }
// }
// 
// if ((flags & DebugDraw.e_dynamicTreeBit) != 0) {
// m_contactManager.m_broadPhase.drawTree(m_debugDraw);
// }
// for (LayerDraw l : layers) l.drawSky(this, w);
// flush();
}

Example 2 with Body

use of spacegraph.space2d.phys.dynamics.Body in project narchy by automenta.

the class SwingDraw method drawJoint.

private void drawJoint(Joint joint) {
    Body bodyA = joint.getBodyA();
    Body bodyB = joint.getBodyB();
    Transform xf1 = bodyA.getTransform();
    Transform xf2 = bodyB.getTransform();
    Vec2 x1 = xf1.p;
    Vec2 x2 = xf2.p;
    joint.getAnchorA(p1);
    joint.getAnchorB(p2);
    color.set(0.5f, 0.8f, 0.8f);
    switch(joint.getType()) {
        // TODO djm write after writing joints
        case DISTANCE:
            drawSegment(p1, p2, color);
            break;
        case PULLEY:
            {
                PulleyJoint pulley = (PulleyJoint) joint;
                Vec2 s1 = pulley.getGroundAnchorA();
                Vec2 s2 = pulley.getGroundAnchorB();
                drawSegment(s1, p1, color);
                drawSegment(s2, p2, color);
                drawSegment(s1, s2, color);
            }
            break;
        case CONSTANT_VOLUME:
        case MOUSE:
            // don't draw this
            break;
        default:
            drawSegment(x1, p1, color);
            drawSegment(p1, p2, color);
            drawSegment(x2, p2, color);
    }
// pool.pushVec2(2);
}

Example 3 with Body

use of spacegraph.space2d.phys.dynamics.Body in project narchy by automenta.

the class CarefulRover method newTorso.

@Override
protected Body newTorso() {
    PolygonShape shape = new PolygonShape();
    Vec2[] vertices = { new Vec2(3.0f, 0.0f), new Vec2(-1.0f, +2.0f), new Vec2(-1.5f, 0), new Vec2(-1.0f, -2.0f) };
    shape.set(vertices, vertices.length);
    // shape.m_centroid.set(bodyDef.position);
    BodyDef bd = new BodyDef();
    bd.linearDamping = (linearDamping);
    bd.angularDamping = (angularDamping);
    bd.type = BodyType.DYNAMIC;
    bd.position.set(0, 0);
    Body torso = getWorld().createBody(bd);
    Fixture f = torso.createFixture(shape, mass);
    f.setRestitution(restitution);
    f.setFriction(friction);
    initSensors(torso);
    initMotors(torso);
    return torso;
}

Example 4 with Body

use of spacegraph.space2d.phys.dynamics.Body in project narchy by automenta.

the class Spider method init.

@Override
public void init(Sim p) {
    this.sim = p;
    // ix, iy, 1.0f, m);
    Body base = sim.create(new Vec2(ix, iy), sim.circle(torsoRadius), BodyType.DYNAMIC);
    float da = (float) ((Math.PI * 2.0) / arms);
    float a = 0;
    for (int i = 0; i < arms; i++) {
        float ax = (float) (ix + (Math.cos(a) * torsoRadius));
        float ay = (float) (iy + (Math.sin(a) * torsoRadius));
        addArm(base, ax, ay, a, armSegments, armLength, armWidth);
        a += da;
    }
// //base's eyes
// int n = numRetinasPerSegment;
// for (float z = 0; z < n; z++) {
// 
// float ba = z * (float) (Math.PI * 2.0 / ((float) n));
// retinas.add(new Retina(brain, base, new Vector2(0, 0), ba, (float) initialVisionDistance, retinaLevels));
// 
// brain.addOutput(new Thruster(base, ba));
// }
// 
// 
// brainWiring.wireBrain(brain);
// 
// new BrainReport(brain);
}

Example 5 with Body

use of spacegraph.space2d.phys.dynamics.Body in project narchy by automenta.

the class ReactorWorld method fireDebris.

/**
 * fuel rod components mixed with plutonium ash mutated into a supernatural buckyball atomic compound
 */
protected void fireDebris(float w, float h) {
    BodyDef bd = new BodyDef();
    bd.type = BodyType.DYNAMIC;
    bd.position.set(0.0f, 4.0f);
    PolygonShape box = new PolygonShape();
    box.setAsBox(w, h);
    Body m_body = p.getWorld().createBody(bd);
    m_body.createFixture(box, 1.0f);
    box.setAsBox(0.25f, 0.25f);
    // m_x = RandomFloat(-1.0f, 1.0f);
    float m_x = -0.06530577f;
    bd.position.set(m_x, 10.0f);
    bd.bullet = true;
    Body m_bullet = p.getWorld().createBody(bd);
    m_bullet.createFixture(box, 100.0f);
    m_bullet.setLinearVelocity(new Vec2(0.0f, -50.0f));
    m_body.setTransform(new Vec2(0.0f, 4.0f), 0.0f);
    m_body.setLinearVelocity(new Vec2());
    m_body.setAngularVelocity(0.0f);
    m_x = MathUtils.randomFloat(-1.0f, 1.0f);
    m_bullet.setTransform(new Vec2(m_x, 10.0f), 0.0f);
    m_bullet.setLinearVelocity(new Vec2(0.0f, -50.0f));
    m_bullet.setAngularVelocity(0.0f);
}