public static Body createRunner(World world, float x, float y, float width, float height) {
BodyDef bodyDef = new BodyDef();
bodyDef.type = BodyDef.BodyType.DynamicBody;
bodyDef.position.set(new Vector2(x, y));
PolygonShape shape = new PolygonShape();
shape.setAsBox(0.5f, 0.5f, new Vector2(2, 2), 45);
Body body = world.createBody(bodyDef);
body.setGravityScale(Constants.RUNNER_GRAVITY_SCALE);
Fixture fixture = body.createFixture(shape, Constants.RUNNER_DENSITY);
body.setFixedRotation(true);
fixture.setFriction(2f);
body.resetMassData();
body.setUserData(new RunnerUserData());
shape.dispose();
body.setBullet(true);
return body;
}
public static Body createBullet(World world, GunShot gunshot, Vector2 origin) {
Vector2 position = origin.cpy().add(gunshot.getDir().cpy().scl(.4f)),
velocity = gunshot.getDir().cpy().scl(gunshot.getGun().getMuzzleVelocity());
float angle = (float) Math.atan2(gunshot.getDir().y, gunshot.getDir().x);
Body body =
com.blastedstudios.gdxworld.physics.PhysicsHelper.createCircle(
world,
BULLET_RADIUS,
position,
angle,
BodyType.DynamicBody,
.2f,
.5f,
BULLET_DENSITY,
gunshot.getBeing().getMask(),
gunshot.getBeing().getCat(),
(short) 0);
body.setLinearVelocity(velocity);
body.setBullet(true);
body.setUserData(gunshot);
return body;
}
@Override
public void resize(int width, int height) {
PPuX = width / 10;
System.out.println("width = " + width);
System.out.println("height = " + height);
PPuY = height / 10;
world = new World(new Vector2(0, -9.8f), false);
renderer = new Box2DDebugRenderer();
camera = new OrthographicCamera(width, height);
debugMatrix = new Matrix4(camera.combined);
Circle.setBounds(
Circle.getX() * PPuX,
Circle.getY() * PPuY,
Circle.getWidth() * PPuX,
Circle.getHeight() * PPuY);
Circle.setOrigin(Circle.getWidth() / 2, Circle.getHeight() / 2);
BodyDef circleDef = new BodyDef();
circleDef.type = BodyType.DynamicBody;
// To allign the Circle sprite with box 2d
circleDef.position.set(
convertToBox(Circle.getX() + Circle.getWidth() / 2),
convertToBox(Circle.getY() + Circle.getHeight() / 2));
circleBody = world.createBody(circleDef);
// box2d builds around 0,0 you can see -X and -Y, this makes sure that you only see X,Y
debugMatrix.translate(-camera.viewportWidth / 2, -camera.viewportHeight / 2, 0);
// scale the debug matrix by the scaling so everything looks normal
debugMatrix.scale(BOX_TO_WORLD, BOX_TO_WORLD, 0);
circleShape = new CircleShape();
circleShape.setRadius(convertToBox(Circle.getWidth() / 2));
FixtureDef circleFixture = new FixtureDef();
circleFixture.shape = circleShape;
circleFixture.density = 0.4f;
circleFixture.friction = 0.2f;
circleFixture.restitution = 1f;
circleBody.createFixture(circleFixture);
circleBody.setUserData(Circle);
// create ground
BodyDef groundDef = new BodyDef();
groundDef.position.set(convertToBox(camera.viewportWidth / 2), 0);
Body groundBody = world.createBody(groundDef);
PolygonShape groundBox = new PolygonShape();
groundBox.setAsBox(convertToBox(camera.viewportWidth / 2), 0);
groundBody.createFixture(groundBox, 0);
BodyDef def = new BodyDef();
def.type = BodyType.DynamicBody;
def.position.set(0, 0);
Body box = world.createBody(def);
PolygonShape poly = new PolygonShape();
poly.setAsBox(0.1f, 0.2f);
playerPhysicsFixture = box.createFixture(poly, 1);
poly.dispose();
CircleShape circle = new CircleShape();
circle.setRadius(0.1f);
circle.setPosition(new Vector2(0, -0.2f));
playerSensorFixture = box.createFixture(circle, 0);
circle.dispose();
box.setBullet(true);
player = box;
player.setTransform(1.0f, 2.0f, 0);
player.setFixedRotation(true);
}