Examples with PairCachingGhostObject com.bulletphysics.collision.dispatch.PairCachingGhostObject used on opensource projects

Example 6 with PairCachingGhostObject

use of com.bulletphysics.collision.dispatch.PairCachingGhostObject in project Terasology by MovingBlocks.

the class BulletPhysics method updateTrigger.

@Override
public // TODO: update if detectGroups changed
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 {
            Quat4f worldRotation = VecMath.to(location.getWorldRotation());
            Vector3f worldPosition = VecMath.to(location.getWorldPosition());
            triggerObj.setWorldTransform(new Transform(new Matrix4f(worldRotation, worldPosition, 1.0f)));
        }
        return true;
    } else {
        newTrigger(entity);
        return false;
    }
}