private TerrainMap PrepareGeometryMap(ChunkMaskBlock[,] blocks, int border)
{
var result = new Color[blocks.Length];
for (int z = 0; z <= blocks.GetUpperBound(1); z++)
for (int x = 0; x <= blocks.GetUpperBound(0); x++)
{
var normal = blocks[x, z].Normal;
result[x + z * blocks.GetLength(1)].r = normal.x / 2 + 0.5f;
result[x + z * blocks.GetLength(1)].g = normal.y / 2 + 0.5f;
result[x + z * blocks.GetLength(1)].b = normal.z / 2 + 0.5f;
result[x + z * blocks.GetLength(1)].a = Vector3.Angle(normal, Vector3.up)/90f;
}
var resultTexture = new Texture2D(blocks.GetLength(0), blocks.GetLength(1), TextureFormat.RGBA32, false);
resultTexture.wrapMode = TextureWrapMode.Clamp;
resultTexture.SetPixels(result);
resultTexture.Apply(false, true);
return new TerrainMap() {Map = resultTexture, Border = border};
}
private Texture2D PrepareBlockTypeMask(ChunkMaskBlock[,] blocks)
{
var result = new Color[blocks.Length];
for (int z = 0; z <= blocks.GetUpperBound(1); z++)
for (int x = 0; x <= blocks.GetUpperBound(0); x++)
{
var blockType = blocks[x, z].Block;
if (blockType == BlockType.Grass)
result[x + z * blocks.GetLength(1)] = new Color(0, 1, 0, 0);
else if (blockType == BlockType.Sand)
result[x + z * blocks.GetLength(1)] = new Color(1, 0, 0, 0);
else if (blockType == BlockType.Water)
result[x + z * blocks.GetLength(1)] = new Color(0, 0, 1, 0);
else if (blockType == BlockType.Snow)
result[x + z * blocks.GetLength(1)] = new Color(0, 0, 0, 1);
//Stone - no color at all
}
var resultTexture = new Texture2D(blocks.GetLength(0), blocks.GetLength(1), TextureFormat.RGBA32, false);
resultTexture.wrapMode = TextureWrapMode.Clamp;
resultTexture.SetPixels(result);
resultTexture.Apply(false, true);
return resultTexture;
}
