public GreedySubdivision(Map map, FloatMask mask)
{
Mask = mask;
HeightMap = map;
heap = new Heap(128);
var w = HeightMap.Width;
var h = HeightMap.Height;
PointStates = new PointState[w, h];
for (var x = 0; x < w; x++)
{
for (var y = 0; y < h; y++)
{
PointStates[x, y] = PointState.Unused;
}
}
InitMesh(new Vector2(0.0f, 0.0f),
new Vector2(0.0f, h - 1.0f),
new Vector2((w - 1.0f), (h - 1.0f)),
new Vector2((w - 1.0f), 0.0f));
PointStates[0, 0] = PointState.Used;
PointStates[0, (h - 1)] = PointState.Used;
PointStates[(w - 1), (h - 1)] = PointState.Used;
PointStates[(w - 1), 0] = PointState.Used;
PointCount = 4;
}
public GreedySubdivision(Map map, FloatMask mask)
{
Mask = mask;
HeightMap = map;
heap = new Heap(128);
var w = HeightMap.Width;
var h = HeightMap.Height;
PointStates = new PointState[w,h];
for (var x = 0; x < w; x++)
{
for (var y = 0; y < h; y++)
{
PointStates[x, y] = PointState.Unused;
}
}
InitMesh(new Vector2(0.0f, 0.0f),
new Vector2(0.0f, h - 1.0f),
new Vector2((w - 1.0f), (h - 1.0f)),
new Vector2((w - 1.0f), 0.0f));
PointStates[0, 0] = PointState.Used;
PointStates[0, (h - 1)] = PointState.Used;
PointStates[(w - 1), (h - 1)] = PointState.Used;
PointStates[(w - 1), 0] = PointState.Used;
PointCount = 4;
}
public Terra(float errorThreshold, int pointCountLimit, float heightScale, float[,] heightValues, float[,] importanceMask)
{
ErrorThreshold = errorThreshold;
HeightScale = heightScale;
heightMap = Map.LoadFromArray(heightValues);
PointCountLimit = (pointCountLimit > -1)? pointCountLimit : (heightMap.Width*heightMap.Height);
mask = importanceMask.IsNullOrEmpty()
? new DefaultMask(heightMap.Width, heightMap.Height)
: FloatMask.LoadFromArray(importanceMask);
mesh = new GreedySubdivision(heightMap, mask);
}