/*Boundaries game screen*/
private void createLayout() {
// down bound
BodyDef bdef = new BodyDef();
bdef.position.set(0 / GameScreenManager.PPM_W, referansDown / GameScreenManager.PPM_H);
bdef.type = BodyDef.BodyType.StaticBody;
Body body = world.createBody(bdef);
PolygonShape shape = new PolygonShape();
shape.setAsBox(GameScreenManager.WIDTH, 1);
FixtureDef fdef = new FixtureDef();
fdef.shape = shape;
fdef.filter.categoryBits = CollisionVar.BIT_SCREEN;
fdef.filter.maskBits =
CollisionVar.BIT_SCREEN | CollisionVar.BIT_BALL | CollisionVar.BIT_PLAYER;
body.createFixture(fdef).setUserData("down");
// top bound
bdef.position.set(0 / GameScreenManager.PPM_W, referansTop / GameScreenManager.PPM_H);
bdef.type = BodyDef.BodyType.StaticBody;
body = world.createBody(bdef);
shape.setAsBox(GameScreenManager.WIDTH, 1);
fdef.shape = shape;
fdef.filter.categoryBits = CollisionVar.BIT_SCREEN;
fdef.filter.maskBits =
CollisionVar.BIT_SCREEN | CollisionVar.BIT_BALL | CollisionVar.BIT_PLAYER;
body.createFixture(fdef).setUserData("top");
// left bound
bdef.position.set(0 / GameScreenManager.PPM_W, 80 / GameScreenManager.PPM_H);
bdef.type = BodyDef.BodyType.StaticBody;
body = world.createBody(bdef);
shape.setAsBox(0, GameScreenManager.HEIGHT);
fdef.shape = shape;
fdef.filter.categoryBits = CollisionVar.BIT_SCREEN;
fdef.filter.maskBits =
CollisionVar.BIT_SCREEN | CollisionVar.BIT_BALL | CollisionVar.BIT_PLAYER;
body.createFixture(fdef).setUserData("left");
// right bound
bdef.position.set(GameScreenManager.WIDTH + 1, 0 / GameScreenManager.PPM_H);
bdef.type = BodyDef.BodyType.StaticBody;
body = world.createBody(bdef);
fdef.filter.categoryBits = CollisionVar.BIT_SCREEN;
fdef.filter.maskBits =
CollisionVar.BIT_SCREEN | CollisionVar.BIT_BALL | CollisionVar.BIT_PLAYER;
shape.setAsBox(0, GameScreenManager.HEIGHT);
fdef.shape = shape;
body.createFixture(fdef).setUserData("right");
}
public void createIceBall() {
// gear base
BodyDef bodyDef = new BodyDef();
bodyDef.type = BodyType.StaticBody;
bodyDef.position.x = x;
bodyDef.position.y = y;
CircleShape circleShape = new CircleShape();
circleShape.setRadius(1);
FixtureDef fixtureDef = new FixtureDef();
fixtureDef.isSensor = true;
fixtureDef.shape = circleShape;
gearBody = world.createBody(bodyDef);
gearBody.createFixture(fixtureDef);
circleShape = new CircleShape();
circleShape.setRadius(size);
BodyDef boxBodyDef = new BodyDef();
boxBodyDef.type = BodyType.DynamicBody;
boxBodyDef.position.x = x;
boxBodyDef.position.y = y;
fixtureDef = new FixtureDef();
fixtureDef.shape = circleShape;
fixtureDef.friction = 0f;
fixtureDef.density = 4.10f;
fixtureDef.restitution = 1.5f;
fixtureDef.isSensor = true;
fixtureDef.filter.groupIndex = -1;
gearBase = world.createBody(boxBodyDef);
SpriteInfo spriteTemp = new SpriteInfo(assets.getSprite("star"));
spriteTemp.setName("star");
gearBase.setUserData(spriteTemp);
gearBase.createFixture(fixtureDef);
// iceBody.createFixture(circleShape, .1f);
RevoluteJointDef wheeljointDef = new RevoluteJointDef();
wheeljointDef.bodyA = gearBase;
wheeljointDef.bodyB = gearBody;
wheeljointDef.localAnchorA.y = 0;
wheeljointDef.localAnchorB.y = 0;
wheeljointDef.motorSpeed = .5f;
wheeljointDef.enableMotor = true;
wheeljointDef.maxMotorTorque = 100000f;
// Joint joint =
// wheeljointDef.bodyA.getWorld().createJoint(wheeljointDef);
world.createJoint(wheeljointDef);
circleShape.dispose();
}
public void setUp() {
BodyDef bodyDef = new BodyDef();
bodyDef.position.set(x + width / 2, y + height / 2);
bodyDef.type = BodyDef.BodyType.KinematicBody;
PolygonShape shape = new PolygonShape();
shape.setAsBox(width / 2, height / 2);
FixtureDef fixtureDef = new FixtureDef();
fixtureDef.shape = shape;
body = world.createBody(bodyDef);
body.createFixture(fixtureDef);
body.setUserData(Constants.robotNinjaID);
body.setLinearVelocity(Constants.standardVelocity);
sprite = new Sprite(texture);
sprite.setSize(width, height);
sprite.setOrigin(width / 2, height / 2);
sprite.flip(false, flipy);
sprite.setPosition(x, y);
dead = false;
}
private void createBoxes() {
// next we create 50 boxes at random locations above the ground
// body. First we create a nice polygon representing a box 2 meters
// wide and high.
PolygonShape boxPoly = new PolygonShape();
boxPoly.setAsBox(1, 1);
// next we create the 50 box bodies using the PolygonShape we just
// defined. This process is similar to the one we used for the ground
// body. Note that we reuse the polygon for each body fixture.
for (int i = 0; i < 20; i++) {
// Create the BodyDef, set a random position above the
// ground and create a new body
BodyDef boxBodyDef = new BodyDef();
boxBodyDef.type = BodyType.DynamicBody;
boxBodyDef.position.x = -24 + (float) (Math.random() * 48);
boxBodyDef.position.y = 10 + (float) (Math.random() * 100);
Body boxBody = world.createBody(boxBodyDef);
boxBody.createFixture(boxPoly, 1);
// add the box to our list of boxes
boxes.add(boxBody);
}
// we are done, all that's left is disposing the boxPoly
boxPoly.dispose();
}
public void defineMario() {
BodyDef bDef = new BodyDef();
bDef.position.set(32 / MarioBros.PPM, 32 / MarioBros.PPM);
bDef.type = BodyDef.BodyType.DynamicBody;
b2body = world.createBody(bDef);
FixtureDef fdef = new FixtureDef();
CircleShape shape = new CircleShape();
shape.setRadius(6 / MarioBros.PPM);
fdef.filter.categoryBits = MarioBros.MARIO_BIT;
fdef.filter.maskBits =
MarioBros.GROUND_BIT
| MarioBros.COIN_BIT
| MarioBros.BRICK_BIT
| MarioBros.ENEMY_BIT
| MarioBros.OBJECT_BIT
| MarioBros.ENEMY_HEAD_BIT
| MarioBros.ITEM_BIT;
fdef.shape = shape;
b2body.createFixture(fdef);
EdgeShape head = new EdgeShape();
head.set(
new Vector2(-2 / MarioBros.PPM, 6 / MarioBros.PPM),
new Vector2(2 / MarioBros.PPM, 6 / MarioBros.PPM));
fdef.filter.categoryBits = MarioBros.MARIO_HEAD_BIT;
fdef.filter.maskBits = MarioBros.BRICK_BIT | MarioBros.COIN_BIT;
fdef.shape = head;
fdef.isSensor = true;
b2body.createFixture(fdef).setUserData(this);
}
public void MakeBody(
float width,
float height,
float radius,
BodyDef.BodyType bodyType,
float density,
float restitution,
Vector2 pos,
float angle) {
World world = BoxObjectManager.GetWorld();
BodyDef jumperBodyDef = new BodyDef();
jumperBodyDef.type = bodyType;
jumperBodyDef.position.set(
BoxObjectManager.ConvertToBox(pos.x), BoxObjectManager.ConvertToBox(pos.y));
jumperBodyDef.angle = angle;
body = world.createBody(jumperBodyDef);
/** Boxes are defined by their "half width" and "half height", hence the 2 multiplier. */
if (radius == 0) {
MakeRectBody(width, height, bodyType, density, restitution, pos, angle);
} else {
MakeCircleBody(radius, bodyType, density, restitution, pos, angle);
}
/** The character should not ever spin around on impact. */
bodyWorldPosition.set(
BoxObjectManager.ConvertToWorld(body.getPosition().x),
BoxObjectManager.ConvertToWorld(body.getPosition().y));
}
private void createCoins() {
coins = new Array<Coin>();
MapLayer layer = tileMap.getLayers().get("Coins");
BodyDef bdef = new BodyDef();
FixtureDef fdef = new FixtureDef();
for (MapObject mo : layer.getObjects()) {
bdef.type = BodyType.StaticBody;
float x = mo.getProperties().get("x", Float.class) / PPM;
float y = mo.getProperties().get("y", Float.class) / PPM;
bdef.position.set(x, y);
CircleShape cShape = new CircleShape();
cShape.setRadius(8 / PPM);
fdef.shape = cShape;
fdef.isSensor = true;
fdef.filter.categoryBits = B2DVars.BIT_COINS;
fdef.filter.maskBits = B2DVars.BIT_PLAYER;
Body body = world.createBody(bdef);
body.createFixture(fdef).setUserData("coin");
Coin c = new Coin(body);
coins.add(c);
body.setUserData(c);
}
}
public void initBody(World world, int playerNum) {
BodyDef bodyDef = new BodyDef();
bodyDef.type = BodyDef.BodyType.DynamicBody;
// bodyDef.fixedRotation = true;
bodyDef.linearDamping = 0.0f;
bodyDef.position.set(getX() + getWidth() / 2, getY() + getHeight() / 2);
body = world.createBody(bodyDef);
body.setUserData(this);
// ((Sprite)body.getUserData()).setPosition(body.getPosition().x,body.getPosition().y);
// PolygonShape shape = new PolygonShape();
CircleShape shape = new CircleShape();
shape.setRadius(getWidth() / 2);
// shape.setAsBox(player.getWidth()/2 / 1, player.getHeight()/2 / 1);
FixtureDef fixtureDef = new FixtureDef();
fixtureDef.shape = shape;
fixtureDef.density = 1.1f;
fixtureDef.restitution = 0.6f;
fixtureDef.friction = 0.0f;
if (playerNum == 0) {
fixtureDef.filter.categoryBits = PECES;
fixtureDef.filter.maskBits = ENEMIGO;
} else {
fixtureDef.filter.categoryBits = ENEMIGO;
fixtureDef.filter.maskBits = PECES;
}
// fixtureDef.isSensor = true; --> use it on towers not to react but detect collision
body.createFixture(fixtureDef);
shape.dispose();
}
public void createCheckpointSensor(float x, float y, Vector2 heading) {
// First we create a body definition
BodyDef bodyDef = new BodyDef();
// We set our body to dynamic, for something like ground which doesn't move we would set it to
// StaticBody
bodyDef.type = BodyDef.BodyType.StaticBody;
// Set our body's starting position in the world
bodyDef.position.set(x, y);
// Create our body in the world using our body definition
Body body = world_.createBody(bodyDef);
// Create a circle shape and set its radius to 6
CircleShape circle = new CircleShape();
circle.setRadius(0.25f);
// Create a fixture definition to apply our shape to
FixtureDef fixtureDef = new FixtureDef();
fixtureDef.shape = circle;
fixtureDef.isSensor = true;
fixtureDef.filter.maskBits = ENTITY_ENEMY;
fixtureDef.filter.categoryBits = SENSOR_NAVIGATION;
// Create our fixture and attach it to the body
Fixture fix = body.createFixture(fixtureDef);
fix.setUserData(heading);
// Remember to dispose of any shapes after you're done with them!
// BodyDef and FixtureDef don't need disposing, but shapes do.
circle.dispose();
}
public void defineMario() {
BodyDef bdef = new BodyDef();
bdef.position.set(1, 1);
bdef.type = BodyDef.BodyType.DynamicBody;
b2body = world.createBody(bdef);
FixtureDef fdef = new FixtureDef();
PolygonShape cuerpito = new PolygonShape();
Vector2[] cuerpo = new Vector2[4];
cuerpo[0] = new Vector2(-10, 20).scl(1 / MegaCatastrofeNuclear.PPM);
cuerpo[1] = new Vector2(5, 20).scl(1 / MegaCatastrofeNuclear.PPM);
cuerpo[2] = new Vector2(-10, -25).scl(1 / MegaCatastrofeNuclear.PPM);
cuerpo[3] = new Vector2(5, -25).scl(1 / MegaCatastrofeNuclear.PPM);
cuerpito.set(cuerpo);
fdef.filter.categoryBits = MegaCatastrofeNuclear.PLAYER_BIT;
fdef.filter.maskBits =
MegaCatastrofeNuclear.GROUND_BIT
| MegaCatastrofeNuclear.COIN_BIT
| MegaCatastrofeNuclear.BRICK_BIT
| MegaCatastrofeNuclear.ENEMY_BIT
| MegaCatastrofeNuclear.OBJECT_BIT
| MegaCatastrofeNuclear.ENEMYY_BIT
| MegaCatastrofeNuclear.ITEM_BIT;
fdef.shape = cuerpito;
b2body.createFixture(fdef);
}
public FinishFlag(World world, float x, float y) {
this.world = world;
initPoly(x * 2, y);
// Rectangle
// shape.setAsBox(5, 5);
poly.set(
new Vector2[] {
new Vector2(0, 0),
new Vector2(0, 25),
new Vector2(2, 0),
new Vector2(7, 22.5f),
new Vector2(2, 25)
});
// Fixture definition
fixDef.density = 1f;
fixDef.friction = 0;
fixDef.restitution = 0;
fixDef.isSensor = true;
body = world.createBody(bodyDef);
body.setUserData(7);
body.createFixture(fixDef);
}
/**
* * Filtered version of createRectangularBody Category is who I am, Group filters GameObjects of
* the same class as mine so we dont collide, Mask is who is allowed to collide With Me Default
* filter values: categoryBits = 0x0001, maskBits = -1, groupIndex = 0 Leaving them at default
* would be the same as not passing such argument (use if that is the intended result) **
*/
public static Body createRectangularBody(
float x,
float y,
float halfWidth,
float halfHeight,
short category,
short mask,
short group,
GameEntity myGameObjectIndentifier) {
bodyDef.type = BodyType.DynamicBody;
// The body is originally instantiated at the Bottom-Left position
bodyDef.position.set((x + halfWidth) / PPM, (y + halfHeight) / PPM);
PolygonShape shape = new PolygonShape();
shape.setAsBox(halfWidth / PPM, halfHeight / PPM);
fixtureDef.shape = shape;
fixtureDef.filter.categoryBits = category;
fixtureDef.filter.maskBits = mask;
fixtureDef.filter.groupIndex = group;
Body body = WORLD.createBody(bodyDef);
body.createFixture(fixtureDef).setUserData(myGameObjectIndentifier);
body.setLinearDamping(1);
shape.dispose();
return body;
}
public static void createBall(Ball ball) {
int index = 0;
BodyDef bdef = new BodyDef();
Vector2 ballPosition =
new Vector2(ball.position.x + ball.length.x / 2, ball.position.y + ball.length.y / 2);
bdef.position.set(ball.position);
bdef.type = BodyDef.BodyType.DynamicBody;
Body body;
synchronized (world) {
body = world.createBody(bdef);
}
CircleShape shape = new CircleShape();
System.out.println("length : " + ball.length.y);
shape.setRadius(ball.length.y);
synchronized (PlayState.ballLinkedHashMap) {
ball.body = body;
PlayState.ballLinkedHashMap.put(PlayState.ballLinkedHashMap.size(), ball);
index = PlayState.ballLinkedHashMap.size();
FixtureDef fdef = new FixtureDef();
fdef.shape = shape;
fdef.restitution = (float) 1.1;
fdef.filter.categoryBits = CollisionVar.BIT_BALL;
fdef.filter.maskBits =
CollisionVar.BIT_SCREEN | CollisionVar.BIT_PLAYER | CollisionVar.BIT_WEAPON;
ball.body.createFixture(fdef).setUserData("ball" + (index - 1));
}
float angle = (float) (Math.atan2(ball.direction.y, ball.direction.x));
ball.body.setLinearVelocity(new Vector2(45 * MathUtils.cos(angle), 45 * MathUtils.sin(angle)));
}
public static Body createFixturelessRectangularBody(
float x, float y, float halfWidth, float halfHeight) {
bodyDef.type = BodyType.DynamicBody;
// The body is originally instantiated at the Bottom-Left position
bodyDef.position.set((x + halfWidth) / PPM, (y + halfHeight) / PPM);
Body body = WORLD.createBody(bodyDef);
body.setLinearDamping(1);
return body;
}
private Entity buildPuffin(World world) {
Entity e = engine.createEntity();
e.add(new PuffinComponent());
AnimationComponent a = new AnimationComponent();
a.animations.put(
"DEFAULT", new Animation(1f / 16f, Assets.getPuffinArray(), Animation.PlayMode.LOOP));
a.animations.put(
"RUNNING", new Animation(1f / 16f, Assets.getPuffinRunArray(), Animation.PlayMode.LOOP));
e.add(a);
StateComponent state = new StateComponent();
state.set("DEFAULT");
e.add(state);
TextureComponent tc = new TextureComponent();
e.add(tc);
TransformComponent tfc = new TransformComponent();
tfc.position.set(10f, 10f, 1f);
tfc.rotation = 15f;
tfc.scale.set(0.25f, 0.25f);
e.add(tfc);
BodyComponent bc = new BodyComponent();
BodyDef bodyDef = new BodyDef();
// We set our body to dynamic, for something like ground which doesn't move we would set it to
// StaticBody
bodyDef.type = BodyDef.BodyType.DynamicBody;
// Set our body's starting position in the world
bodyDef.position.set(10f, 23f);
// Create our body in the world using our body definition
bc.body = world.createBody(bodyDef);
bc.body.applyAngularImpulse(50f, true);
// Create a circle shape and set its radius to 6
CircleShape circle = new CircleShape();
circle.setRadius(2f);
// Create a fixture definition to apply our shape to
FixtureDef fixtureDef = new FixtureDef();
fixtureDef.shape = circle;
fixtureDef.density = 20f;
fixtureDef.friction = 0.4f;
fixtureDef.restitution = 0.6f; // Make it bounce a little bit
// Create our fixture and attach it to the body
bc.body.createFixture(fixtureDef);
// Remember to dispose of any shapes after you're done with them!
// BodyDef and FixtureDef don't need disposing, but shapes do.
circle.dispose();
e.add(bc);
return e;
}
private Fixture createPhysicsObject(Rectangle bounds, ModelType type, Integer id) {
UserData userData = new UserData(numEnterPoints, type, null);
CircleShape objectPoly = new CircleShape();
objectPoly.setRadius(bounds.width / 2);
BodyDef enemyBodyDef = new BodyDef();
enemyBodyDef.type = BodyType.DynamicBody;
enemyBodyDef.position.x = bounds.x;
enemyBodyDef.position.y = bounds.y;
Body objectBody = world.createBody(enemyBodyDef);
FixtureDef objectFixtureDef = new FixtureDef();
objectFixtureDef.shape = objectPoly;
// objectBody.setUserData(userData);
objectFixtureDef.restitution = .025f;
Fixture fixture = objectBody.createFixture(objectFixtureDef);
fixture.setUserData(userData);
objectBody.setLinearDamping(2f);
objectBody.setGravityScale(.4f);
objectBody.setFixedRotation(true);
objectPoly.dispose();
numEnterPoints++;
// add a sensor on the bottom to check if touching ground (for jumping)
PolygonShape polygonShape = new PolygonShape();
polygonShape.setAsBox(
bounds.width / 3, bounds.height / 8, new Vector2(0, -bounds.height / 2), 0);
objectFixtureDef = new FixtureDef();
objectFixtureDef.shape = polygonShape;
objectFixtureDef.isSensor = true;
Fixture footSensorFixture = objectBody.createFixture(objectFixtureDef);
footSensorFixture.setUserData(new UserData(numEnterPoints, ModelType.FOOT_SENSOR, id));
// add a sensor on left side to check if touching wall (for grappling)
PolygonShape polygonShape2 = new PolygonShape();
polygonShape2.setAsBox(
bounds.width / 8, bounds.height / 3, new Vector2(-bounds.width / 2, 0), 0);
objectFixtureDef = new FixtureDef();
objectFixtureDef.shape = polygonShape2;
objectFixtureDef.isSensor = true;
Fixture leftSideSensorFixture = objectBody.createFixture(objectFixtureDef);
leftSideSensorFixture.setUserData(new UserData(numEnterPoints, ModelType.LEFT_SIDE_SENSOR, id));
// add a sensor on right side to check if touching wall (for grappling)
polygonShape2.setAsBox(
bounds.width / 8, bounds.height / 3, new Vector2(bounds.width / 2, 0), 0);
objectFixtureDef = new FixtureDef();
objectFixtureDef.shape = polygonShape2;
objectFixtureDef.isSensor = true;
Fixture rightSideSensorFixture = objectBody.createFixture(objectFixtureDef);
rightSideSensorFixture.setUserData(
new UserData(numEnterPoints, ModelType.RIGHT_SIDE_SENSOR, id));
return fixture;
}
@Override
public void start() {
createBodyDef()
.ifPresent(
bodyDef -> {
physicalBody = world.createBody(bodyDef);
physicalBody.setUserData(getGameObject());
collisionShape.affixTo(physicalBody, isSensor).setUserData(gameObject);
});
}
public Body createBody() {
BodyDef boxBodyDef = new BodyDef();
boxBodyDef.type = BodyType.DynamicBody;
boxBodyDef.position.x = position.x;
boxBodyDef.position.y = position.y;
boxBodyDef.angularDamping = 2f;
Body body = world.createBody(boxBodyDef);
createFixtures(body);
return body;
}
public static Body createWall(World world, float x, float y, float width, float height) {
BodyDef bodyDef = new BodyDef();
bodyDef.position.set(new Vector2(x, y));
Body body = world.createBody(bodyDef);
PolygonShape shape = new PolygonShape();
shape.setAsBox(width / 2, height / 2);
Fixture fixture = body.createFixture(shape, Constants.WALL_DENSITY);
body.setUserData(new WallUserData());
shape.dispose();
return body;
}
private void createGeometryAtPos(Vector2 pos) {
BodyDef bodyDef = new BodyDef();
bodyDef.type = BodyDef.BodyType.DynamicBody;
bodyDef.position.set(pos);
Body body = world.createBody(bodyDef);
if (spawnBoxes) {
createBoxAtPos(body);
} else {
createCircleAtPos(body);
}
}
public static void addDynamicBody(Game game, DynamicGameObject gameObject, World box2dWorld) {
gameObject.setBox2DWorld(box2dWorld);
BodyDef characterBodyDef = new BodyDef();
characterBodyDef.type = BodyDef.BodyType.DynamicBody;
Body body = box2dWorld.createBody(characterBodyDef);
body.setUserData(gameObject);
body.setTransform(gameObject.pos, 0f);
gameObject.body = body;
}
private void createBallModels() {
BodyDef ballBodyDef = new BodyDef();
ballBodyDef.type = BodyType.DynamicBody;
CircleShape ballShape = new CircleShape();
ballShape.setRadius(BALL_SIZE.x / 2);
ballModels = new Body[MAX_BALL_COUNT];
for (int i = 0; i < MAX_BALL_COUNT; i++) {
ballModels[i] = world.createBody(ballBodyDef);
ballModels[i].createFixture(ballShape, 1);
}
}
private void defineMario() {
BodyDef bdef = new BodyDef();
bdef.position.set(32 / MarioBros.PPM, 32 / MarioBros.PPM);
bdef.type = BodyDef.BodyType.DynamicBody;
b2body = world.createBody(bdef);
FixtureDef fdef = new FixtureDef();
CircleShape shape = new CircleShape();
shape.setRadius(6 / MarioBros.PPM);
fdef.shape = shape;
b2body.createFixture(fdef);
}
public void render(OrthographicCamera camera) {
// update the world with a fixed time step
world.step(Gdx.app.getGraphics().getDeltaTime() * 10, 8, 3);
if (mouseJoint != null) mouseJoint.setTarget(bob.getBody().getWorldCenter());
// Destroy mouseJoint? (drop item)
if (destroyMousejoint == true) {
if (!world.isLocked()) {
world.destroyJoint(mouseJoint);
mouseJoint = null;
destroyMousejoint = false;
}
}
// Delete any bodies up for deletion
if (!bodiesToDelete.isEmpty()) {
// Make sure it is safe to delete!!
if (!world.isLocked()) {
for (Body body : bodiesToDelete) {
world.destroyBody(body);
body.setUserData(null);
body = null;
}
bodiesToDelete.clear(); // Don't forget to clear the null bodies!
}
}
// Create any bodies up for creation
if (!bodiesToCreate.isEmpty()) {
// Make sure it is safe to create!!
if (!world.isLocked()) {
for (BodyDef body : bodiesToCreate) {
world.createBody(body);
}
bodiesToCreate.clear(); // Don't forget to clear!
}
}
// Create any joints up for creation
if (!jointsToCreate.isEmpty()) {
// Make sure it is safe to create!!
if (!world.isLocked()) {
for (JointDef body : jointsToCreate) {
mouseJoint = (MouseJoint) world.createJoint(body);
}
jointsToCreate.clear(); // Don't forget to clear!
}
}
// render the world using the debug renderer
renderer.render(world, camera.combined);
}
// TODO: Refactor into multiple functions
@Override
public Entity buildEntity() {
Entity player = new Entity();
// Define the body
BodyDef playerBody = new BodyDef();
playerBody.type = BodyDef.BodyType.DynamicBody;
playerBody.position.set(0, 0);
// Create the components
PhysicsComponent p = new PhysicsComponent(physicsWorld.createBody(playerBody), player);
RenderComponent r = new RenderComponent();
KeyboardInputComponent i = new KeyboardInputComponent();
MoveAction m = new MoveAction();
// Properties for the components
Polygon sprite =
new Polygon(
new float[] {
0, 5,
3, -3,
0, -2,
-3, -3
});
PolygonShape fixShape = new PolygonShape();
fixShape.set(sprite.getVertices());
FixtureDef def = new FixtureDef();
def.shape = fixShape;
def.density = 1.2f;
def.friction = 0f;
def.restitution = 0.1f;
// Apply properties
p.physicsBody.createFixture(def);
r.renderColor = Color.BLUE;
r.sprite = sprite;
m.lin_v = 5f;
m.rot_v = 2f;
// Add to player
player.add(p);
player.add(r);
player.add(i);
player.add(m);
return player;
}
@Override
public void create() { // creates everything you need LOL
batch = new SpriteBatch();
img = new Texture("Alien.png");
sprite = new Sprite(img);
// sets the sprite in the middle of the screen
sprite.setPosition(
Gdx.graphics.getWidth() / 2 - sprite.getWidth() / 2, Gdx.graphics.getHeight() / 2);
// This is were the magic happens, this is the "physics world" created where the gravity is set
// to 98
// The 'f' makes 98 a float, the true means that it is active, vector 2d just means it takes x y
// coor
world = new World(new Vector2(0, -98f), true);
// The body is the "object" set in the world, BodyDef makes the world aware of the object
// basically so world Senpai notices
BodyDef bodyDef = new BodyDef();
bodyDef.type = BodyDef.BodyType.DynamicBody;
// using 1 to 1 dimensions, meaning 1 in physics engine is 1px
// set the body to the same position as the sprite
bodyDef.position.set(sprite.getX(), sprite.getY());
// now create the body in the world!
body = world.createBody(bodyDef);
// now make the "shape" of the body that you just created
shape = new PolygonShape();
// in this example I made a box (you can make circles too and stuff) that surrounds the sprite
// aka the hit-box
// so make the shape the same dimensions as the sprite image we are using
shape.setAsBox(sprite.getWidth() / 2, sprite.getHeight() / 2);
// FixtureDef is used to add physical properties to the shape
// Ex. density, mass, area etc.
fixtureDef = new FixtureDef();
// now assign the FixtureDef to the new shape that we just made
fixtureDef.shape = shape;
// Adding density using FixtureDef & adding it to the body so again world senpai notices
fixtureDef.density = 1f;
fixture = body.createFixture(fixtureDef);
// the shape can be disposed to reduce clutter that will slow down the game
shape.dispose();
}
public static Body createMovingPlatform(
World world, float x, float y, float width, float height, float restituition) {
BodyDef bodyDef = new BodyDef();
bodyDef.type = BodyDef.BodyType.KinematicBody;
bodyDef.position.set(new Vector2(x, y));
Body body = world.createBody(bodyDef);
PolygonShape shape = new PolygonShape();
shape.setAsBox(width / 2, height / 2);
Fixture fixture = body.createFixture(shape, Constants.GROUND_DENSITY);
fixture.setRestitution(restituition);
body.setUserData(new GroundUserData());
shape.dispose();
return body;
}
public static void createBody(World world, SceneElement e, ValueMap valueMap) {
float x = valueMap.getValue(e, SceneElement.VAR_X, 0f) / WORLD_SCALE;
float y = valueMap.getValue(e, SceneElement.VAR_Y, 0f) / WORLD_SCALE;
float width = valueMap.getValue(e, SceneElement.VAR_WIDTH, 1) / WORLD_SCALE;
float height = valueMap.getValue(e, SceneElement.VAR_HEIGHT, 1) / WORLD_SCALE;
// TODO what if corner is not center?
PhType phType = valueMap.getValue(e, PhysicsEf.VAR_PH_TYPE, PhType.DYNAMIC);
PhShape phShape = valueMap.getValue(e, PhysicsEf.VAR_PH_SHAPE, PhShape.RECTANGULAR);
Shape s = null;
switch (phShape) {
case CIRCULAR:
s = new CircleShape();
s.setRadius(width / 2);
break;
default:
s = new PolygonShape();
((PolygonShape) s).setAsBox(width / 2, height / 2);
}
BodyDef bd = new BodyDef();
switch (phType) {
case STATIC:
bd.type = BodyType.StaticBody;
break;
case DYNAMIC:
bd.type = BodyType.DynamicBody;
break;
}
bd.position.set(x, y);
bd.angle = valueMap.getValue(e, SceneElement.VAR_ROTATION, 0);
FixtureDef fixture = new FixtureDef();
fixture.shape = s;
fixture.density = valueMap.getValue(e, PhysicsEf.VAR_PH_DENSITY, 1f);
fixture.friction = valueMap.getValue(e, PhysicsEf.VAR_PH_FRICTION, 1f);
fixture.restitution = valueMap.getValue(e, PhysicsEf.VAR_PH_RESTITUTION, 1f);
Body body = world.createBody(bd);
body.createFixture(fixture);
body.resetMassData();
valueMap.setValue(e.getId(), VAR_PH_BODY, body);
}
private Body addFinish(World world, Vector2 position) {
final BodyDef bodyDef = new BodyDef();
bodyDef.type = BodyDef.BodyType.StaticBody;
final Body body = world.createBody(bodyDef);
body.setTransform(position.x + offset.x, position.y + offset.y, 0);
final PolygonShape shape = new PolygonShape();
shape.setAsBox(0.1f, 0.1f);
final FixtureDef fixtureDef = new FixtureDef();
fixtureDef.shape = shape;
fixtureDef.isSensor = true;
final Fixture fixture = body.createFixture(fixtureDef);
fixture.setUserData("finish");
shape.dispose();
return body;
}
private void addBody(World world, float x, float y, boolean dirt) {
final BodyDef bodyDef = new BodyDef();
bodyDef.type = BodyDef.BodyType.StaticBody;
final Body body = world.createBody(bodyDef);
body.setTransform(x + 0.5f, y + 0.5f, 0);
final CircleShape shape = new CircleShape();
shape.setRadius(0.1f);
final FixtureDef fixtureDef = new FixtureDef();
fixtureDef.shape = shape;
final Fixture fixture = body.createFixture(fixtureDef);
shape.dispose();
if (dirt) {
dirts.add(fixture);
}
}
