private Body initPhysicsBody(World world, float x, float y) {
BodyDef bodyDef = new BodyDef();
bodyDef.type = BodyType.DYNAMIC;
bodyDef.position = new Vec2(0, 0);
Body body = world.createBody(bodyDef);
PolygonShape shape = new PolygonShape();
Transform fx = new Transform();
fx.position.set(100f, 100f);
shape.centroid(fx);
shape.setAsBox(
sprite.layer().width() * GameScreen.M_PER_PIXEL / 2,
sprite.layer().height() * GameScreen.M_PER_PIXEL / 2);
FixtureDef fixtureDef = new FixtureDef();
fixtureDef.shape = shape;
fixtureDef.density = 0.4f;
fixtureDef.friction = 0.1f;
fixtureDef.restitution = 0f;
body.createFixture(fixtureDef);
body.setLinearDamping(0.2f);
body.setTransform(new Vec2(x, y), 0f);
// MassData md = body.getMassData();
// massD.center.set(2f, 0); body.setMassData(massD);
return body;
}
public void update(int delta) {
if (!hasLoaded) return;
sprite.layer().setRotation(body.getAngle());
// float a= 0.6f;
// float i;
// for(i=0f;i<a;i=i+0.1f){
// body.setTransform(body.getPosition(),i);}
}
public void paint(Clock clock) {
if (!hasLoaded) return;
// body.setLinearVelocity(new Vec2(30 * MathUtils.cos(GameScreen.angle), 30 *
// MathUtils.sin(GameScreen.angle)));
sprite
.layer()
.setTranslation(
(body.getPosition().x / GameScreen.M_PER_PIXEL),
(body.getPosition().y / GameScreen.M_PER_PIXEL));
Vec2 delta = new Vec2(80f - body.getPosition().x, 400f - body.getPosition().y);
float angle = MathUtils.atan2(delta.x, delta.y);
body.setLinearVelocity(new Vec2(8 * -MathUtils.cos(angle), 8 * MathUtils.sin(angle)));
}
public void closebody() {
body.setActive(false);
sprite.layer().destroy();
}
public Layer layer() {
return sprite.layer();
}