// Check for collisions and move.
// ------------------------------
var collisionResult:CollisionResult;
for (var i:int = levelRef.vecPolygons.length - 1; i >= 0; --i)
{
    trace("na");
    collisionResult = levelRef.collisionDetector.checkCollision(collisionRect, levelRef.vecPolygons[i], velocity);

    if (!collisionResult)
        continue;

    if (collisionResult.willCollide)
    {
        // Polygons will collide after movement! Move the polygon by it's
        // velocity, then move the polygons appart using minTranslationVector.
        // -------------------------------------------------------------------
        velocity = velocity.add(collisionResult.minTranslationVector);
        break;
    }
}
trace("batman");
x += velocity.x;
y += velocity.y;