public static TerainVertex[] GenerateVertexes(Device device, Bitmap heightMap)
{
heightMeasure = (tileWidth + tileHeight) * 0.25f * 0.2f;
int width = heightMap.Width;
int height = heightMap.Height;
int primitiveCount = 2 * (width - 1) * (height - 1);
int vertexCount = width * height;
int indexCount = 3 * primitiveCount;
Color[,] map = BitmapOperation.BitmapToColorArray(heightMap);
TerainVertex[] vertexes = new TerainVertex[vertexCount];
int[] indices = new int[indexCount];
int[] adjency = new int[indexCount];
Terrain.minPosition = new Vector3(-(0.5f * (width - 1) * tileWidth), -127 * heightMeasure, -(0.5f * (height - 1) * tileHeight));
Terrain.maxPosition = new Vector3(tileWidth * (width - 1) * 0.5f, 127 * heightMeasure, tileHeight * (height - 1) * 0.5f);
#region Generate Vertexes and Indexes
int i = 0;
for (int x = 0; x < width; x++)
{
for (int y = 0; y < height; y++)
{
float posX = x * tileWidth - (0.5f * (width - 1) * tileWidth);
float posY = map[x, y].B * heightMeasure;
float posZ = y * tileHeight - (0.5f * (height - 1) * tileHeight);
Vector3 pos = new Vector3(posX, posY, posZ);
Vector3 nor = new Vector3();
float u = (float)x;
float v = (float)y;
if (x + 1 < width)
{
if (y + 1 < height)
{
#region Generate Index Buffer
indices[i] = (y * width + x);
indices[i + 1] = ((y + 1) * width + x);
indices[i + 2] = (y * width + x + 1);
indices[i + 3] = (indices[i + 2]);
indices[i + 4] = (indices[i + 1]);
indices[i + 5] = (indices[i + 1] + 1);
i += 6;
#endregion
}
}
vertexes[y * width + x] = new TerainVertex(pos, nor, u, v);
}
}
#endregion
return(vertexes);
}
public Terrain(int level, Device device, Bitmap heightMap, Texture mask, Texture layer1, Texture layer2, Texture layer3)
: base(level, GenerateVertexes(device, heightMap), GenerateIndexes(device, heightMap), Terrain.minPosition, Terrain.maxPosition, Matrix.Identity, new Texture[] { layer1 }, new Texture[] { layer2 }, new Texture[] { layer3 }, null)
{
this.heightMap = BitmapOperation.BitmapToColorArray(heightMap);
blocked = new List <Point>();
base.SetIsEveryWhere(true);
CameraDriver.SetAttachedTerain(this);
}