public void beginContact(Contact contact) {
if (!contact.isTouching()) {
return;
}
Fixture fixture0 = contact.getFixtureA();
Fixture fixture1 = contact.getFixtureB();
Item item0 = (Item) fixture0.getUserData();
Item item1 = (Item) fixture1.getUserData();
item0.contacted(item1);
}
@Override
public void endContact(Contact contact) {
Fixture fixA = contact.getFixtureA();
Fixture fixB = contact.getFixtureB();
if ((fixA.isSensor()) && (fixA.getUserData() != null)) {
B2Controller b2c = (B2Controller) fixA.getUserData();
b2c.removeBody(fixB.getBody());
} else if ((fixB.isSensor()) && (fixB.getUserData() != null)) {
B2Controller b2c = (B2Controller) fixB.getUserData();
b2c.removeBody(fixA.getBody());
}
}
// called when two fixtures no longer collide
@Override
public void endContact(Contact c) {
Fixture fa = c.getFixtureA();
Fixture fb = c.getFixtureB();
if (fa == null || fb == null) {
return;
}
if (fa.getUserData() != null && fa.getUserData().equals("foot")) {
numFootContacts--;
}
if (fb.getUserData() != null && fb.getUserData().equals("foot")) {
numFootContacts--;
}
}
@Override
public float reportRayFixture(Fixture fixture, Vector2 point, Vector2 normal, float fraction) {
UserData data = (UserData) fixture.getUserData();
if (data.modelType == ModelType.WALL) {}
// TODO Auto-generated method stub
return 0;
}
@Override
public void beginContact(Contact contact) {
Fixture fa = contact.getFixtureA();
Fixture fb = contact.getFixtureB();
// System.out.println("Hello");
if (fa == null || fb == null) {
return;
}
WorldObject wo1 = (WorldObject) fa.getUserData();
WorldObject wo2 = (WorldObject) fb.getUserData();
if (wo1 == null || wo2 == null) {
return;
}
int id1 = wo1.getCId();
int id2 = wo2.getCId();
for (ContactListener listener : listeners) {
// System.out.println("Testing");
int mask1 = listener.firstMask;
int mask2 = listener.secondMask;
/*System.out.format("id1|id2\nmask1|mask2\n%8s|%8s\n%8s|%8s\n",
Integer.toBinaryString(id1), Integer.toBinaryString(id2),
Integer.toBinaryString(mask1),
Integer.toBinaryString(mask2));*/
if ((id1 & mask1) != 0 && (id2 & mask2) != 0) {
// System.out.println("Fire normal");
listener.action.onContact(fa, fb);
}
if ((id1 & mask2) != 0 && (id2 & mask1) != 0) {
// System.out.println("Fire reverse");
listener.action.onContact(fb, fa);
}
}
}
private boolean checkSensor(Fixture sensor, Fixture other) {
final SensorType type = (SensorType) sensor.getUserData();
final Object sensorData = sensor.getBody().getUserData();
final Object otherData = other.getBody().getUserData();
if (type == null) return false;
switch (type) {
case SCORE:
if (otherData instanceof Player) {
events.queueEvent(EventType.PLAYER_SCORED, sensorData);
}
return true;
default:
break;
}
return false;
}
// called when two fixtures start to collide
@Override
public void beginContact(Contact c) {
Fixture fa = c.getFixtureA();
Fixture fb = c.getFixtureB();
if (fa == null || fb == null) {
return;
}
if (fa.getUserData() != null && fa.getUserData().equals("foot")) {
numFootContacts++;
}
if (fb.getUserData() != null && fb.getUserData().equals("foot")) {
numFootContacts++;
}
if (fa.getUserData() != null && fa.getUserData().equals("crystal")) {
bodiesToRemove.add(fa.getBody());
}
if (fb.getUserData() != null && fb.getUserData().equals("crystal")) {
bodiesToRemove.add(fb.getBody());
}
}
/**
* Method is called on every collision between two Box2D bodies. Behaviour of certain body
* collisions are defined in this method. Collisions between bodies are defined and accessed by
* means of bitwise or-ing their category bits.
*/
@Override
public void beginContact(Contact c) {
Fixture fa = c.getFixtureA();
Fixture fb = c.getFixtureB();
int collisionDefinition = fa.getFilterData().categoryBits | fb.getFilterData().categoryBits;
switch (collisionDefinition) {
// foot collides with floor
case B2DVars.BIT_PLAYER_FOOT | B2DVars.BIT_BLOCKS:
numJumps++;
break;
// Player collides with student, deal damage to player or kill enemy
case B2DVars.BIT_PLAYER | B2DVars.BIT_STUDENT:
System.out.println("hit!");
playerStudentCollisionCount++;
Vector2 playerPosition, playerVelocity, studentPosition;
Body player, student;
if (fa.getUserData().equals("player")) {
player = fa.getBody();
playerPosition = fa.getBody().getPosition();
playerVelocity = fa.getBody().getLinearVelocity();
student = fb.getBody();
studentPosition = fb.getBody().getPosition();
} else {
player = fb.getBody();
playerPosition = fb.getBody().getPosition();
playerVelocity = fb.getBody().getLinearVelocity();
student = fa.getBody();
studentPosition = fa.getBody().getPosition();
}
// Player hits enemy from above, 0.1 offset is to ensure player is significantly above enemy
if (playerPosition.y - 0.1 > studentPosition.y && playerVelocity.y <= 0) {
Game.ass.getAudio("kill").play(1.0f);
bodiesToKill.add(student);
player.setLinearVelocity(player.getLinearVelocity().x, 2f);
} else {
((Player) player.getUserData()).damagePlayer();
Game.ass.getAudio("hit").play(1.0f);
Vector2 point = new Vector2(playerPosition.x, playerPosition.y);
if (playerPosition.x < studentPosition.x) {
player.applyLinearImpulse(new Vector2(-30f, 0), point, true);
} else {
player.applyLinearImpulse(new Vector2(30f, 0), point, true);
}
}
break;
// player collides with coin
case B2DVars.BIT_PLAYER | B2DVars.BIT_COINS:
if (fa.getUserData().equals("coin")) {
// delete coin
bodiesToKill.add(fa.getBody());
Game.ass.getAudio("coin").play(1.0f);
} else {
bodiesToKill.add(fb.getBody());
Game.ass.getAudio("coin").play(1.0f);
}
break;
// player collides with end of level region
case B2DVars.BIT_PLAYER | B2DVars.BIT_END:
if (fa.getUserData().equals("end")) {
Player playerB = (Player) fb.getBody().getUserData();
if (playerB.getNumCoins() == playerB.getNumCoinsToCollect()) {
playerB.setLevelCompleteBool(true);
break;
}
playerB.setLevelCompleteBool(false);
break;
} else {
Player playerA = (Player) fa.getBody().getUserData();
if (playerA.getNumCoins() == playerA.getNumCoinsToCollect()) {
playerA.setLevelCompleteBool(true);
break;
}
playerA.setLevelCompleteBool(false);
break;
}
}
}