public Terrain(TerrainInfo heightfield)
{
info = heightfield;
IndicesLength = new int[3];
indexBuffer = new Buffer[3];
vertexBuffer = new Buffer[3];
RebuildTerrain(0, 1);
normals = new Vector3[info.width * info.height];
Vector3 normal;
for (int i = 0; i < vertices.Length - info.width; i++)
{
Vector3 firstvec = vertices[i + 1].Position - vertices[i].Position;
Vector3 secondvec = vertices[i].Position - vertices[i + info.width].Position;
normal = Vector3.Cross(firstvec, secondvec);
normal.Normalize();
normals[i] += normal;
normals[i + 1] += normal;
normals[i + info.width] += normal;
}
for (int i = 0; i < normals.Length; i++)
{
normals[i].Normalize();
int potntialY = (int)Math.Floor((float)i / info.width);
int potntialX = i - potntialY * info.width;
info.normalData[potntialX, potntialY] = normals[i];
}
RebuildTerrain(1, 4);
RebuildTerrain(2, 8);
var buff = new TerrainConstant()
{
WaterColor = info.waterColor,
WaterHeight = info.waterLevel
};
objectBuffer = Buffer.Create(Display.device, ref buff, new BufferDescription(16 * 2, ResourceUsage.Immutable, BindFlags.ConstantBuffer, CpuAccessFlags.None, ResourceOptionFlags.None, 0));
Initialize();
}
public void GenerateCB()
{
if (objectBuffer != null)
{
objectBuffer.Dispose();
}
var buff = new TerrainConstant()
{
WaterColor = info.waterColor,
WaterHeight = info.waterLevel
};
objectBuffer = Buffer.Create(Display.device, ref buff, new BufferDescription(16 * 2, ResourceUsage.Immutable, BindFlags.ConstantBuffer, CpuAccessFlags.None, ResourceOptionFlags.None, 0));
}
