void GenerateTile()
{
// calculate tile depth and width based on the mesh vertices
Vector3[] meshVertices = _meshFilter.mesh.vertices;
int tileDepth = (int)Mathf.Sqrt(meshVertices.Length);
int tileWidth = tileDepth;
// calculate the offsets based on the tile position
float offsetX = -this.gameObject.transform.position.x;
float offsetZ = -this.gameObject.transform.position.z;
// calculate the offsets based on the tile position
float[,] heightMap = _noiseMapGeneration.GenerateNoiseMap(tileDepth, tileWidth, settings.mapScale, offsetX, offsetZ, settings.waves);
float[,] treeMap = _noiseMapGeneration.GenerateNoiseMap(tileDepth, tileWidth, settings.mapScale / 2, offsetX, offsetZ, settings.treeWaves);
// generate a heightMap using noise
Texture2D tileTexture = BuildTexture(heightMap, treeMap);
_tileRenderer.material.mainTexture = tileTexture;
UpdateMeshVertices(heightMap);
}
public void GenerateMap()
{
numOfTrees = 0;
numOfStones = 0;
parentObject = GameObject.FindGameObjectWithTag("Objects").transform;
//SceneManager.LoadScene("LevelGenScrene");
//EditorSceneManager.LoadScene("LevelGenScrene");
GameObject cleanup;
while (cleanup = GameObject.FindWithTag("Tree"))
{
Object.DestroyImmediate(cleanup);
}
while (cleanup = GameObject.FindWithTag("Stone"))
{
Object.DestroyImmediate(cleanup);
}
while (cleanup = GameObject.FindWithTag("Bush"))
{
Object.DestroyImmediate(cleanup);
}
while (cleanup = GameObject.FindWithTag("Boulder"))
{
Object.DestroyImmediate(cleanup);
}
while (cleanup = GameObject.FindWithTag("Grass"))
{
Object.DestroyImmediate(cleanup);
}
float a = Random.Range(5f, 20f);
float b = Random.Range(0f, 20f);
float c = Random.Range(5f, 20f);
float d = Random.Range(0f, 20f);
float[,] noiseMap = NoiseMapGen.GenerateNoiseMap(mapWidth, mapHeight, a, b, c, d);
MeshData meshData = MeshGen.GenerateTerrainMesh(noiseMap, meshHeightMulitplier, heightCurve);
triangles = meshData.triangles;
Color[] colorMap = new Color[mapWidth * mapHeight];
for (int y = 0; y < mapHeight; y++)
{
for (int x = 0; x < mapWidth; x++)
{
float currentHeight = Mathf.InverseLerp(0, 20, noiseMap[x, y]);
for (int i = 0; i < regions.Length; i++)
{
if (currentHeight <= regions[i].height)
{
//New code to try and get lerp from one zone to another
//Skipping earth into grass transition
if (regions[i].name.Equals("Earth"))
{
float tempMaxHeightOfRegion = regions[i].height;
float tempMinHeightOfRegion = regions[i - 1].height;
float tempMidHeightOfRegion = regions[i - 1].height + ((regions[i].height - regions[i - 1].height) / 2);
if (currentHeight > tempMidHeightOfRegion)
{
colorMap[y * mapWidth + x] = Color.Lerp(regions[i].color, regions[i + 1].color, Mathf.InverseLerp(tempMidHeightOfRegion, tempMaxHeightOfRegion, currentHeight));
}
else
{
colorMap[y * mapWidth + x] = regions[i].color;
}
}
else if (i > 0 && i < regions.Length - 1)
{
float tempMaxHeightOfRegion = regions[i].height;
float tempMinHeightOfRegion = regions[i - 1].height;
float tempMidHeightOfRegion = regions[i - 1].height + ((regions[i].height - regions[i - 1].height) / 2);
/*if (currentHeight >= tempMinHeightOfRegion)
* colorMap[y * mapWidth + x] = Color.Lerp(regions[i].color, regions[i + 1].color, /*(float) noiseMap[x, y]/10 Mathf.InverseLerp(tempMidHeightOfRegion, tempMaxHeightOfRegion, currentHeight));
* else if (currentHeight < tempMinHeightOfRegion)
* {
* colorMap[y * mapWidth + x] = Color.Lerp(regions[i].color, regions[i - 1].color, /*(float) noiseMap[x, y]/10 Mathf.InverseLerp(tempMinHeightOfRegion, tempMidHeightOfRegion, currentHeight));
* }*/
//colorMap[y * mapWidth + x] = Color.Lerp(regions[i].color, regions[i + 1].color, /*(float) noiseMap[x, y]/10*/ Mathf.InverseLerp(tempMinHeightOfRegion, tempMaxHeightOfRegion, currentHeight) - 0.1f);
if (currentHeight > tempMidHeightOfRegion)
{
colorMap[y * mapWidth + x] = Color.Lerp(regions[i].color, regions[i + 1].color, Mathf.InverseLerp(tempMidHeightOfRegion, tempMaxHeightOfRegion, currentHeight));
}
else
{
colorMap[y * mapWidth + x] = regions[i].color;
}
}
else if (i == 0)
{
/*float tempMaxHeightOfRegion = regions[i].height;
* float tempMinHeightOfRegion = 0;
* float tempMidHeightOfRegion = 0 + ((regions[i].height - 0) / 2);
* if(currentHeight > tempMidHeightOfRegion)
* colorMap[y * mapWidth + x] = Color.Lerp(regions[i].color, regions[i + 1].color, /*(float) noiseMap[x, y]/10 Mathf.InverseLerp(tempMidHeightOfRegion, tempMaxHeightOfRegion, currentHeight));
* else*/
colorMap[y * mapWidth + x] = regions[i].color;
}
else
{
/*float tempMaxHeightOfRegion = regions[i].height;
* float tempMinHeightOfRegion = regions[i - 1].height;
* float tempMidHeightOfRegion = regions[i - 1].height + ((regions[i].height - regions[i - 1].height) / 2);
* colorMap[y * mapWidth + x] = Color.Lerp(regions[i].color, regions[i - 1].color, /*(float) noiseMap[x, y]/10 Mathf.InverseLerp(tempMinHeightOfRegion, tempMaxHeightOfRegion, currentHeight));
*/
colorMap[y * mapWidth + x] = regions[i].color;
}
//OG code for coolour depending on height
//colorMap[y * mapWidth + x] = regions[i].color;
//place Gameobjects
//trees/bushes on grassy area
if (regions[i].name.Equals("Grass"))
{
if (Random.Range(0f, 1f) > 0.9f)
{
Vector3 treePos = Vector3.Scale(meshData.vertices[y * mapWidth + x], new Vector3(5, 1, 5));
currentInstance = Instantiate(trees[(int)Random.Range(0, trees.Length)], treePos, Quaternion.identity);
numOfTrees++;
currentInstance.transform.parent = parentObject;
}
else if (Random.Range(0f, 1f) > 0.8f)
{
Vector3 bushPos = Vector3.Scale(meshData.vertices[y * mapWidth + x], new Vector3(5, 1, 5));
currentInstance = Instantiate(bushes[(int)Random.Range(0, bushes.Length)], bushPos, Quaternion.identity);
currentInstance.transform.parent = parentObject;
}
if (Random.Range(0f, 1f) > 0.75f)
{
Vector3 grassPos = Vector3.Scale(meshData.vertices[y * mapWidth + x], new Vector3(5, 1, 5));
currentInstance = Instantiate(grasses[(int)Random.Range(0, grasses.Length)], grassPos, Quaternion.identity);
currentInstance.transform.parent = parentObject;
}
}
//Stones on Sand
else if (regions[i].name.Equals("Sand"))
{
if (Random.Range(0f, 1f) > 0.9f)
{
Vector3 stonePos = Vector3.Scale(meshData.vertices[y * mapWidth + x], new Vector3(5, 1, 5));
currentInstance = Instantiate(stones[(int)Random.Range(0, stones.Length)], stonePos, Quaternion.identity);
numOfStones++;
currentInstance.transform.parent = parentObject;
}
}
else if (regions[i].name.Equals("Earth"))
{
if (Random.Range(0f, 1f) > 0.96f)
{
Vector3 treePos = Vector3.Scale(meshData.vertices[y * mapWidth + x], new Vector3(5, 1, 5));
currentInstance = Instantiate(beachTrees[(int)Random.Range(0, beachTrees.Length)], treePos + new Vector3(0, 3.5f, 0), Quaternion.Euler(-90, 0, 0));
currentInstance.transform.parent = parentObject;
}
else if (Random.Range(0f, 1f) > 0.9f)
{
Vector3 stonePos = Vector3.Scale(meshData.vertices[y * mapWidth + x], new Vector3(5, 1, 5));
currentInstance = Instantiate(stones[(int)Random.Range(0, stones.Length)], stonePos, Quaternion.identity);
currentInstance.transform.parent = parentObject;
}
else if (Random.Range(0f, 1f) > 0.90f)
{
Vector3 grassPos = Vector3.Scale(meshData.vertices[y * mapWidth + x], new Vector3(5, 1, 5));
currentInstance = Instantiate(deadGrass, grassPos + new Vector3(0, 0.3f, 0), Quaternion.identity);
currentInstance.transform.parent = parentObject;
}
}
else if (regions[i].name.Equals("Mountain"))
{
if (Random.Range(0f, 1f) > 0.95f)
{
Vector3 boulderPos = Vector3.Scale(meshData.vertices[y * mapWidth + x], new Vector3(5, 1, 5));
currentInstance = Instantiate(bouldersMountain[(int)Random.Range(0, bouldersMountain.Length)], boulderPos, Quaternion.identity);
currentInstance.transform.localScale = new Vector3(Random.Range(8, 10), Random.Range(8, 10), Random.Range(8, 10));
currentInstance.transform.parent = parentObject;
}
else if (Random.Range(0f, 1f) > 0.99f)
{
float temp = Random.Range(5, 10);
Vector3 boulderPos = Vector3.Scale(meshData.vertices[y * mapWidth + x], new Vector3(5, 1, 5));
currentInstance = Instantiate(treesMountain[(int)Random.Range(0, treesMountain.Length)], boulderPos, Quaternion.identity);
currentInstance.transform.localScale = new Vector3(temp, temp, temp);
currentInstance.transform.parent = parentObject;
}
}
else if (regions[i].name.Equals("Snow"))
{
if (Random.Range(0f, 1f) > 0.9f)
{
Vector3 boulderPos = Vector3.Scale(meshData.vertices[y * mapWidth + x], new Vector3(5, 1, 5));
currentInstance = Instantiate(boulders[(int)Random.Range(0, boulders.Length)], boulderPos, Quaternion.identity);
currentInstance.transform.parent = parentObject;
}
}
break;
}
}
}
}
//Force conditions
if (numOfTrees < minNumOfTree || numOfStones < minNumOfStones)
{
Debug.Log("Not Enough");
GenerateMap();
}
else
{
Debug.Log("Enough");
MapDisplay display = FindObjectOfType <MapDisplay>();
//display.DrawTexture(TextureGen.TextureFromColorMap(colorMap, mapWidth, mapHeight));
//Select render type just 2d colour or 3d mesh
display.DrawMesh(meshData, TextureGen.TextureFromColorMap(colorMap, mapWidth, mapHeight));
//Texture try
//setTextureTriangles(meshData);
//display.DrawMeshWithSubMesh(meshData/*, water.ToArray(), sand.ToArray(), earth.ToArray(), forest.ToArray(), mountain.ToArray(), snow.ToArray()*/);
}
}