@Override
public void initTest(boolean deserialized) {
if (deserialized) {
return;
}
Body bodies[] = new Body[e_count];
{
BodyDef bd = new BodyDef();
Body ground = getWorld().createBody(bd);
EdgeShape shape = new EdgeShape();
shape.set(new Vec2(-40.0f, 0.0f), new Vec2(40.0f, 0.0f));
ground.createFixture(shape, 0.0f);
}
{
CircleShape shape = new CircleShape();
shape.m_radius = 1.0f;
for (int i = 0; i < e_count; ++i) {
BodyDef bd = new BodyDef();
bd.type = BodyType.DYNAMIC;
bd.position.set(0.0f, 4.0f + 3.0f * i);
bodies[i] = getWorld().createBody(bd);
bodies[i].createFixture(shape, 1.0f);
// m_bodies[i].setLinearVelocity(new Vec2(0.0f, -100.0f));
}
}
}
public Planetoid(Sprite s, BodyDef bodyDef, World world, float mass, float forceFactor) {
this.sprite = s;
this.pBody = world.createBody(bodyDef);
CircleShape circle = new CircleShape();
circle.m_radius = this.sprite.getWidth() / Globals.PHYS_RATIO / Globals.magicBoundRatio;
FixtureDef fixDef = new FixtureDef();
fixDef.shape = circle;
pBody.createFixture(fixDef);
pBody.m_mass = mass;
this.forceFactor = forceFactor;
}
@Override
Body initPhysicsBody(World world, float x, float y, float width, float height, float angle) {
FixtureDef fixtureDef = new FixtureDef();
BodyDef bodyDef = new BodyDef();
bodyDef.type = BodyType.DYNAMIC;
bodyDef.position = new Vec2(0, 0);
Body body = world.createBody(bodyDef);
CircleShape circleShape = new CircleShape();
circleShape.m_radius = RADIUS;
fixtureDef.shape = circleShape;
fixtureDef.density = 0.4f;
fixtureDef.friction = 1f;
fixtureDef.restitution = 0.0f;
circleShape.m_p.set(0, 0);
body.createFixture(fixtureDef);
// body.setLinearDamping(0.2f);
body.setTransform(new Vec2(x, y), angle);
return body;
}
public void addDynObject(
String worldname, String objname, GameonModelRef ref, ObjectProps props) {
Box2dData data = this.mBox2dWorlds.get(worldname);
if (data == null) {
return;
}
// Dynamic Body
BodyDef bodyDef = new BodyDef();
bodyDef.type = BodyType.DYNAMIC;
bodyDef.position.set(ref.mPosition[0], ref.mPosition[1]);
Body body = data.mWorld.createBody(bodyDef);
FixtureDef fixtureDef = new FixtureDef();
if (props.mShape == SHAPE_BOX) {
PolygonShape dynamicBox = new PolygonShape();
dynamicBox.setAsBox(ref.mScale[0] / 2, ref.mScale[1] / 2);
fixtureDef.shape = dynamicBox;
} else {
CircleShape dynamicCircle = new CircleShape();
dynamicCircle.m_radius = ref.mScale[0] / 2;
fixtureDef.shape = dynamicCircle;
}
fixtureDef.density = props.mDensity;
fixtureDef.friction = props.mFriction;
fixtureDef.restitution = props.mRestitution;
// kinematicBody
fixtureDef.filter.groupIndex = props.mGroupIndex;
body.createFixture(fixtureDef);
BodyData bodydata = new BodyData();
bodydata.mRef = ref;
bodydata.mBody = body;
bodydata.mProps = props;
ref.assignPsyData(bodydata);
data.mDynModels.add(bodydata);
}
/**
* Instead of using a square shape, we will use a round one.
*
* @param body the body created before.
*/
@Override
public void createFixturesForBody(Body body) {
// Use vertices to create fixture shape.
CircleShape shape = new CircleShape();
shape.setRadius(getWidth() * GameRenderer.getMPP());
// Attach fixture
FixtureDef fd = new FixtureDef();
fd.shape = shape;
fd.density = getDensity();
fd.friction = getFriction();
fd.restitution = getRestitution();
// Continue the fixture definition.
configureFixtureDefinition(fd);
// We set to the fixture's user data this model, so we can get it later
// when getting collisions.
body.createFixture(fd).setUserData(this);
body.applyForceToCenter(new Vec2(0f, 4f));
}
@Override
public void initTest(boolean argDeserialized) {
Body ground = null;
{
BodyDef bd = new BodyDef();
ground = getWorld().createBody(bd);
EdgeShape shape = new EdgeShape();
shape.set(new Vec2(50.0f, 0.0f), new Vec2(-50.0f, 0.0f));
ground.createFixture(shape, 0.0f);
}
{
CircleShape circle1 = new CircleShape();
circle1.m_radius = 1.0f;
PolygonShape box = new PolygonShape();
box.setAsBox(0.5f, 5.0f);
CircleShape circle2 = new CircleShape();
circle2.m_radius = 2.0f;
BodyDef bd1 = new BodyDef();
bd1.type = BodyType.STATIC;
bd1.position.set(10.0f, 9.0f);
Body body1 = m_world.createBody(bd1);
body1.createFixture(circle1, 5.0f);
BodyDef bd2 = new BodyDef();
bd2.type = BodyType.DYNAMIC;
bd2.position.set(10.0f, 8.0f);
Body body2 = m_world.createBody(bd2);
body2.createFixture(box, 5.0f);
BodyDef bd3 = new BodyDef();
bd3.type = BodyType.DYNAMIC;
bd3.position.set(10.0f, 6.0f);
Body body3 = m_world.createBody(bd3);
body3.createFixture(circle2, 5.0f);
RevoluteJointDef jd1 = new RevoluteJointDef();
jd1.initialize(body2, body1, bd1.position);
Joint joint1 = m_world.createJoint(jd1);
RevoluteJointDef jd2 = new RevoluteJointDef();
jd2.initialize(body2, body3, bd3.position);
Joint joint2 = m_world.createJoint(jd2);
GearJointDef jd4 = new GearJointDef();
jd4.bodyA = body1;
jd4.bodyB = body3;
jd4.joint1 = joint1;
jd4.joint2 = joint2;
jd4.ratio = circle2.m_radius / circle1.m_radius;
m_world.createJoint(jd4);
}
{
CircleShape circle1 = new CircleShape();
circle1.m_radius = 1.0f;
CircleShape circle2 = new CircleShape();
circle2.m_radius = 2.0f;
PolygonShape box = new PolygonShape();
box.setAsBox(0.5f, 5.0f);
BodyDef bd1 = new BodyDef();
bd1.type = BodyType.DYNAMIC;
bd1.position.set(-3.0f, 12.0f);
Body body1 = m_world.createBody(bd1);
body1.createFixture(circle1, 5.0f);
RevoluteJointDef jd1 = new RevoluteJointDef();
jd1.bodyA = ground;
jd1.bodyB = body1;
ground.getLocalPointToOut(bd1.position, jd1.localAnchorA);
body1.getLocalPointToOut(bd1.position, jd1.localAnchorB);
jd1.referenceAngle = body1.getAngle() - ground.getAngle();
m_joint1 = (RevoluteJoint) m_world.createJoint(jd1);
BodyDef bd2 = new BodyDef();
bd2.type = BodyType.DYNAMIC;
bd2.position.set(0.0f, 12.0f);
Body body2 = m_world.createBody(bd2);
body2.createFixture(circle2, 5.0f);
RevoluteJointDef jd2 = new RevoluteJointDef();
jd2.initialize(ground, body2, bd2.position);
m_joint2 = (RevoluteJoint) m_world.createJoint(jd2);
BodyDef bd3 = new BodyDef();
bd3.type = BodyType.DYNAMIC;
bd3.position.set(2.5f, 12.0f);
Body body3 = m_world.createBody(bd3);
body3.createFixture(box, 5.0f);
PrismaticJointDef jd3 = new PrismaticJointDef();
jd3.initialize(ground, body3, bd3.position, new Vec2(0.0f, 1.0f));
jd3.lowerTranslation = -5.0f;
jd3.upperTranslation = 5.0f;
jd3.enableLimit = true;
m_joint3 = (PrismaticJoint) m_world.createJoint(jd3);
GearJointDef jd4 = new GearJointDef();
jd4.bodyA = body1;
jd4.bodyB = body2;
jd4.joint1 = m_joint1;
jd4.joint2 = m_joint2;
jd4.ratio = circle2.m_radius / circle1.m_radius;
m_joint4 = (GearJoint) m_world.createJoint(jd4);
GearJointDef jd5 = new GearJointDef();
jd5.bodyA = body2;
jd5.bodyB = body3;
jd5.joint1 = m_joint2;
jd5.joint2 = m_joint3;
jd5.ratio = 1f / circle2.m_radius;
m_joint5 = (GearJoint) m_world.createJoint(jd5);
}
}