public void Update(Vector3 center, float radius, NoiseData noise, float scale, Material terrainMaterial, Material waterMaterial)
{
if (generated)
{
// We load the materials to prevent null references.
if (terrainMaterial == null)
{
//terrainMaterial = Resources.Load<Material>("Materials/StandardTerrain");
terrainMaterial = new Material(Resources.Load <Material>("Materials/StandardTerrain"));
terrainMaterial.SetColor("_Sand", new Color(Random.Range(0.0f, 1.0f), Random.Range(0.0f, 1.0f), Random.Range(0.0f, 1.0f), 1f));
terrainMaterial.SetColor("_Grass", new Color(Random.Range(0.0f, 1.0f), Random.Range(0.0f, 1.0f), Random.Range(0.0f, 1.0f), 1f));
terrainMaterial.SetColor("_DarkGrass", new Color(Random.Range(0.0f, 1.0f), Random.Range(0.0f, 1.0f), Random.Range(0.0f, 1.0f), 1f));
terrainMaterial.SetColor("_Rocks", new Color(Random.Range(0.0f, 1.0f), Random.Range(0.0f, 1.0f), Random.Range(0.0f, 1.0f), 1f));
terrainMaterial.SetColor("_DarkRocks", new Color(Random.Range(0.0f, 1.0f), Random.Range(0.0f, 1.0f), Random.Range(0.0f, 1.0f), 1f));
terrainMaterial.SetColor("_Snow", new Color(Random.Range(0.0f, 1.0f), Random.Range(0.0f, 1.0f), Random.Range(0.0f, 1.0f), 1f));
}
if (waterMaterial == null)
{
waterMaterial = Resources.Load <Material>("Materials/StandardWater");
}
// We make sure the noise never get a null reference.
if (noise == null)
{
noise = Resources.Load <NoiseData>("NoiseDatas/Standard");
}
// We make sure the planet is unique.
noise.RecalculateOffsets();
// Generate the GameObjects.
// Terrain.
planet = new GameObject();
planet.name = "Planet";
planet.transform.position = center;
planet.AddComponent <MeshRenderer>().material = terrainMaterial;
// Water.
GameObject water = GameObject.CreatePrimitive(PrimitiveType.Sphere);
water.transform.parent = planet.transform;
water.GetComponent <MeshRenderer>().material = waterMaterial;
water.transform.localScale *= radius * 2;
// Generate Mesh.
Mesh mesh = new Mesh();
mesh.Clear();
// We apply the noise to each point of the icosphere.
mesh.vertices = ArrayConvertionManager.Vector3ToVector3Height(ico.GetPoints(), radius, noise);;
mesh.triangles = ico.GetTriangles();
// We make sure to recalculate everything to good mesh behaviour.
mesh.RecalculateTangents();
mesh.RecalculateBounds();
mesh.RecalculateNormals();
// Apply mesh to the terrain.
planet.AddComponent <MeshFilter>().mesh = mesh;
planet.AddComponent <MeshCollider>().sharedMesh = mesh;
planet.transform.localScale *= scale;
generated = false;
}
}
