// populate the environment
private void PopulateEnvironment(List <Vector2> pathPoints)
{
proceduralGenerator.FindPlaneSize(pathPoints);
proceduralGenerator.GeneratePlane();
// instantiate the environment objects
// params: numObjects instPrefab minD maxD perlinScale perlinClump
Transform container = new GameObject("Environment Container").transform;
proceduralGenerator.RandomInstantiation(container, "Rocks", 100, rockPrefab, 0.15f, 0.4f, 0.0f, 0.0f);
proceduralGenerator.RandomInstantiation(container, "Round Trees", 20, roundTreePrefab, 0.3f, 0.5f, 0.0f, 0.0f);
proceduralGenerator.RandomInstantiation(container, "Pine Fall Trees", 50, pineFallPrefab, 0.3f, 0.6f, 0.0f, 0.0f);
proceduralGenerator.RandomInstantiation(container, "Pine Trees", 350, pineTreePrefab, 0.45f, 0.9f, 3.0f, 0.55f);
proceduralGenerator.RandomInstantiation(container, "Mountain A", 5, mtnAPrefab, 0.9f, 1.0f, 0.0f, 0.0f);
proceduralGenerator.RandomInstantiation(container, "Mountain B", 5, mtnBPrefab, 0.9f, 1.0f, 0.0f, 0.0f);
proceduralGenerator.RandomInstantiation(container, "Mountain C", 5, mtnCPrefab, 1.1f, 1.3f, 0.0f, 0.0f);
proceduralGenerator.RandomInstantiation(container, "Mountain D", 2, mtnDPrefab, 1.2f, 1.4f, 0.0f, 0.0f);
proceduralGenerator.RandomInstantiation(container, "Clouds", 20, cloudPrefab, 0.1f, 1.5f, 0.8f, 0.7f);
GameObject balloon = Instantiate(balloonPrefab, new Vector3(0.0f, pathPoints [0].y + 1.0f, 0.0f), Quaternion.identity);
balloon.GetComponent <MoveBalloon> ().SetOffsetAndRange(proceduralGenerator.planeCenter, proceduralGenerator.range);
PlaceMooseInteraction(pathPoints);
PlaceGroundhogInteraction(pathPoints);
}