@Override
public void initialize() {
super.initialize();
// doStep true = not simulate inactive bodies
world = new World(new Vector2(0.0f, 10.0f), true);
world.setContinuousPhysics(true);
world.setWarmStarting(true);
world.setAutoClearForces(true);
ValueMap valueMap = game.getGameState();
valueMap.setValue((String) null, VAR_PH_WORLD, world);
velocityIterations = 24;
positionIterations = 8;
for (SceneElement e : effect.getElements()) {
createBody(world, e, valueMap);
}
for (SceneElement e : effect.getJoints()) {
createBody(world, e, valueMap);
}
RevoluteJointDef jd = new RevoluteJointDef();
jd.collideConnected = false;
for (int i = 0; i < effect.getJoints().size() - 1; i += 2) {
SceneElement e1 = effect.getJoints().get(i);
SceneElement e2 = effect.getJoints().get(i + 1);
Body b1 = (Body) valueMap.getValue(e1.getId(), VAR_PH_BODY, null);
Body b2 = (Body) valueMap.getValue(e2.getId(), VAR_PH_BODY, null);
jd.initialize(b2, b1, new Vector2(b1.getPosition().x, b1.getPosition().y));
world.createJoint(jd);
}
}
public static Joint addRevolute(
World world, Body bodyA, Body bodyB, float lowerAngle, float upperAngle, Vector2 anchor) {
RevoluteJointDef joint = new RevoluteJointDef();
if (lowerAngle != 0f || upperAngle != 0f) joint.enableLimit = true;
joint.lowerAngle = lowerAngle;
joint.upperAngle = upperAngle;
joint.motorSpeed = 1;
joint.maxMotorTorque = 1;
joint.initialize(bodyA, bodyB, anchor);
return world.createJoint(joint);
}
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 Car(
World world, int CarNum, int ColorNum, int playerNum, ScreenAssets assets, boolean testing) {
this.playerNum = playerNum;
this.carNum = CarNum;
this.assets = assets;
whichCar(CarNum, ColorNum);
if (testing) {
if (GameScreen.getMapNum() == 0) {
lapCounter = 4;
} else {
lapCounter = 1;
}
}
car_car = assets.manager.get(ScreenAssets.car_car_sound);
car_wall1 = assets.manager.get(ScreenAssets.car_wall_sound1);
car_wall2 = assets.manager.get(ScreenAssets.car_wall_sound2);
car_wall3 = assets.manager.get(ScreenAssets.car_wall_sound3);
car_Tire = assets.manager.get(ScreenAssets.car_tire_sound);
car_lap_complete = assets.manager.get(ScreenAssets.lap_complete_sound);
car_fueling = assets.manager.get(ScreenAssets.refueling_loop);
car_going_on_fuel = assets.manager.get(ScreenAssets.getting_on_fuel_sound);
fuelAreas = new Array<FuelAreaType>();
currentCheckpoints = new Array<Integer>();
tires = new Array<Tire>();
BodyDef bodyDef = new BodyDef();
bodyDef.type = BodyType.DynamicBody;
bodyDef.position.set(InitialPosition);
body = world.createBody(bodyDef);
body.setAngularDamping(3);
Vector2[] vertices = new Vector2[8];
vertices[0] = new Vector2(0.75f, -2.5f);
vertices[1] = new Vector2(1.5f, -2f);
vertices[2] = new Vector2(1.5f, 2f);
vertices[3] = new Vector2(0.75f, 2.5f);
vertices[4] = new Vector2(-0.75f, 2.5f);
vertices[5] = new Vector2(-1.5f, 2f);
vertices[6] = new Vector2(-1.5f, -2f);
vertices[7] = new Vector2(-0.75f, -2.5f);
PolygonShape polygonShape = new PolygonShape();
polygonShape.set(vertices);
FixtureDef fixtureDef = new FixtureDef();
fixtureDef.shape = polygonShape;
fixtureDef.isSensor = false;
fixtureDef.density = density;
fixtureDef.filter.categoryBits = Constants.CAR;
fixtureDef.filter.maskBits =
Constants.GROUND
| Constants.TIREOBS
| Constants.CAR
| Constants.WALL
| Constants.FUEL
| Constants.FINISH
| Constants.BRIDGE
| Constants.METAL
| Constants.ICE;
Fixture fixture = body.createFixture(fixtureDef);
fixture.setUserData(new CarType(carSprite, this));
// body.applyTorque(1000, true);
carSprite = new Sprite(new Texture(carLink));
carSprite.setSize(3, 6);
carSprite.setOrigin(carSprite.getWidth() / 2, carSprite.getHeight() / 2);
body.setUserData(new CarType(carSprite, this));
RevoluteJointDef jointDef = new RevoluteJointDef();
jointDef.bodyA = body;
jointDef.enableLimit = true;
jointDef.lowerAngle = 0;
jointDef.upperAngle = 0;
jointDef.localAnchorB.setZero();
float maxForwardSpeed = maxFSpeed;
float maxBackwardSpeed = maxBSpeed;
float backTireMaxDriveForce = backTireMDriveForce;
float frontTireMaxDriveForce = frontTireMDriveForce;
float backTireMaxLateralImpulse = backTireMLateralImpulse;
float frontTireMaxLateralImpulse = frontTireMLateralImpulse;
float breakingForcePourcentage = breakingFPourcentage;
// Lower Left
Tire tire = new Tire(world, playerNum);
tire.setCharacteristics(
maxForwardSpeed,
maxBackwardSpeed,
backTireMaxDriveForce,
backTireMaxLateralImpulse,
breakingForcePourcentage);
jointDef.bodyB = tire.body;
jointDef.localAnchorA.set(-1.125f, -1.5f);
world.createJoint(jointDef);
tires.add(tire);
// Lower Right
tire = new Tire(world, playerNum);
tire.setCharacteristics(
maxForwardSpeed,
maxBackwardSpeed,
backTireMaxDriveForce,
backTireMaxLateralImpulse,
breakingForcePourcentage);
jointDef.bodyB = tire.body;
jointDef.localAnchorA.set(1.125f, -1.5f);
world.createJoint(jointDef);
tires.add(tire);
// Upper Left
tire = new Tire(world, playerNum);
tire.setCharacteristics(
maxForwardSpeed,
maxBackwardSpeed,
frontTireMaxDriveForce,
frontTireMaxLateralImpulse,
breakingForcePourcentage);
jointDef.bodyB = tire.body;
jointDef.localAnchorA.set(-1.125f, 1.5f);
leftJoint = (RevoluteJoint) world.createJoint(jointDef);
tires.add(tire);
// Upper Right
tire = new Tire(world, playerNum);
tire.setCharacteristics(
maxForwardSpeed,
maxBackwardSpeed,
frontTireMaxDriveForce,
frontTireMaxLateralImpulse,
breakingForcePourcentage);
jointDef.bodyB = tire.body;
jointDef.localAnchorA.set(1.125f, 1.5f);
rightJoint = (RevoluteJoint) world.createJoint(jointDef);
tires.add(tire);
} // end of car