Examples of com.bulletphysics.collision.dispatch.PairCachingGhostObject

Package com.bulletphysics.collision.dispatch

Examples of com.bulletphysics.collision.dispatch.PairCachingGhostObject

com.bulletphysics.collision.dispatch.PairCachingGhostObject
@author tomrbryn


    Transform startTransform = new Transform();
    startTransform.setIdentity();
    startTransform.origin.set(0.0f, 4.0f, 0.0f);


    ghostObject = new PairCachingGhostObject();
    ghostObject.setWorldTransform(startTransform);
    sweepBP.getOverlappingPairCache().setInternalGhostPairCallback(new GhostPairCallback());
    float characterHeight = 1.75f * characterScale;
    float characterWidth = 1.75f * characterScale;
    ConvexShape capsule = new CapsuleShape(characterWidth, characterHeight);

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    @Override
    //TODO: update if detectGroups changed
    public boolean updateTrigger(EntityRef entity) {
        LocationComponent location = entity.getComponent(LocationComponent.class);
        PairCachingGhostObject triggerObj = entityTriggers.get(entity);


        if (location == null) {
            logger.warn("Trying to update or create trigger of entity that has no LocationComponent?! Entity: {}", entity);
            return false;
        }
        if (triggerObj != null) {
            float scale = location.getWorldScale();
            if (Math.abs(triggerObj.getCollisionShape().getLocalScaling(new Vector3f()).x - scale) > BulletGlobals.SIMD_EPSILON) {
                discreteDynamicsWorld.removeCollisionObject(triggerObj);
                newTrigger(entity);
            } else {
                triggerObj.setWorldTransform(new Transform(new Matrix4f(location.getWorldRotation(), location.getWorldPosition(), 1.0f)));
            }
            return true;
        } else {
            newTrigger(entity);
            return false;

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        ConvexShape shape = getShapeFor(entity);
        if (shape != null && location != null && trigger != null) {
            float scale = location.getWorldScale();
            shape.setLocalScaling(new Vector3f(scale, scale, scale));
            List<CollisionGroup> detectGroups = Lists.newArrayList(trigger.detectGroups);
            PairCachingGhostObject triggerObj = createCollider(
                    location.getWorldPosition(),
                    shape,
                    StandardCollisionGroup.SENSOR.getFlag(),
                    combineGroups(detectGroups),
                    CollisionFlags.NO_CONTACT_RESPONSE);
            triggerObj.setUserPointer(entity);
            PairCachingGhostObject oldTrigger = entityTriggers.put(entity, triggerObj);
            if (oldTrigger != null) {
                logger.warn("Creating a trigger for an entity that already has a trigger. " +
                        "Multiple trigger pre entity are not supported. Removing old one. Entity: {}", entity);
                removeCollider(oldTrigger);
                return false;

View Full Code Here

        }
    }


    private PairCachingGhostObject createCollider(Vector3f pos, ConvexShape shape, short groups, short filters, int collisionFlags) {
        Transform startTransform = new Transform(new Matrix4f(new Quat4f(0, 0, 0, 1), pos, 1.0f));
        PairCachingGhostObject result = new PairCachingGhostObject();
        result.setWorldTransform(startTransform);
        result.setCollisionShape(shape);
        result.setCollisionFlags(collisionFlags);
        discreteDynamicsWorld.addCollisionObject(result, groups, filters);
        return result;
    }

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Related Classes of com.bulletphysics.collision.dispatch.PairCachingGhostObject

com.bulletphysics.collision.broadphase.BroadphaseProxy

com.bulletphysics.demos.character.CharacterDemo

org.terasology.physics.bullet.BulletPhysics

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