public void SplitChildrenPlanet(object input)
{
Vector3 position = (Vector3)input;
if (this.depth >= maxDepth)
return;
if (this.busy)
return;
this.busy = true;
for (int i = 0; i < 4; i++)
{
int t = this.terrain[i].width - 1;
Vector3 a = this.terrain[i].Center + this.terrain[i].Position;//c
Vector3 b = this.terrain[i].getAdjustedPos(this.terrain[i].vertices[0].Position) + this.terrain[i].Position;//NW
Vector3 c = this.terrain[i].getAdjustedPos(this.terrain[i].vertices[t].Position) + this.terrain[i].Position;//NE
Vector3 d = this.terrain[i].getAdjustedPos(this.terrain[i].vertices[this.terrain[i].vertices.Count() - 1].Position) + this.terrain[i].Position;//SE
Vector3 e = this.terrain[i].getAdjustedPos(this.terrain[i].vertices[this.terrain[i].vertices.Count() - t - 1].Position) + this.terrain[i].Position;//SW
//float d = (Vector3.Cross((a - b), (b - position))).Length() / (a - b).Length();
if (((a - position).Length() > this.terrain[i].width * this.terrain[i].cellSize * (2.5f - (0 * depth)) &&
(b - position).Length() > this.terrain[i].width * this.terrain[i].cellSize * (2.5f - (0 * depth)) &&
(c - position).Length() > this.terrain[i].width * this.terrain[i].cellSize * (2.5f - (0 * depth)) &&
(d - position).Length() > this.terrain[i].width * this.terrain[i].cellSize * (2.5f - (0 * depth)) &&
(e - position).Length() > this.terrain[i].width * this.terrain[i].cellSize * (2.5f - (0 * depth))) ||
waterSphere.Contains(new BoundingBox(b, d)) == ContainmentType.Contains)
{
if (this.children[i] != null)
{
this.children[i].nullChildren();
this.children[i] = null;
}
continue;
}
if (children[i] == null)
{
Terrain tmp = new Terrain(terrain[i].cellSize / 2.0f, terrain[i].height, terrain[i].textureTiling, (int)(terrain[i].width * 2 - 1),
new Vector3(terrain[i].Position.X, terrain[i].Position.Y, terrain[i].Position.Z),
terrain[i].lightDirection, GraphicsDevice, effect, baseTexture, Terrain.Type.CubeFace);
int size = terrain[i].width * 2 - 1;
float[,] heights = new float[size, size];
for (int x = 0; x < size; x += 2)
for (int y = 0; y < size; y += 2)
heights[x, y] = terrain[i].heightMaps[x / 2, y / 2];
Vector3 blcOff = new Vector3(blockOffset.X, blockOffset.Y, -1);
switch (i)
{
case 0:
blcOff.X *= 2;
blcOff.Y *= 2;
break;
case 1:
blcOff.X *= 2;
blcOff.X += size - 1;
blcOff.Y *= 2;
break;
case 2:
blcOff.X *= 2;
blcOff.Y *= 2;
blcOff.Y += size - 1;
break;
case 3:
blcOff.X *= 2;
blcOff.X += size - 1;
blcOff.Y *= 2;
blcOff.Y += size - 1;
break;
}
tmp.GenerateCustom(new Fractal(size, this.depth + 8).singleStep(heights), terrain[i].LightPosition, blcOff);
tmp.GlobalRot = terrain[i].GlobalRot;
TerrainBlock tb = new TerrainBlock(tmp, this.depth + 1, this.planet, GraphicsDevice, effect, blcOff);
children[i] = tb;
}
if (children[i] != null)
children[i].SplitChildren(position);
}
this.busy = false;
}
public void SplitChildrenPlanet(object input)
{
Vector3 position = (Vector3)input;
if (this.depth >= maxDepth)
return;
if (this.busy)
return;
this.busy = true;
for (int x = 0; x < BlockRes; x++)
for (int y = 0; y < BlockRes; y++)
{
int t = this.terrain[x, y].Size - 1;
Vector3 a = this.terrain[x, y].Center + this.terrain[x, y].Position;//c
Vector3 b = this.terrain[x, y].GetAdjustedPos(this.terrain[x, y].vertices[0].Position) + this.terrain[x, y].Position;//NW
Vector3 c = this.terrain[x, y].GetAdjustedPos(this.terrain[x, y].vertices[t].Position) + this.terrain[x, y].Position;//NE
Vector3 d = this.terrain[x, y].GetAdjustedPos(this.terrain[x, y].vertices[this.terrain[x, y].vertices.Count() - 1].Position) + this.terrain[x, y].Position;//SE
Vector3 e = this.terrain[x, y].GetAdjustedPos(this.terrain[x, y].vertices[this.terrain[x, y].vertices.Count() - t - 1].Position) + this.terrain[x, y].Position;//SW
//float d = (Vector3.Cross((a - b), (b - position))).Length() / (a - b).Length();
if (((a - position).Length() > Terrain.PlanetRadius / (1.1f * (Math.Pow(2, this.depth))) &&
(b - position).Length() > Terrain.PlanetRadius / (1.1f * (Math.Pow(2, this.depth))) &&
(c - position).Length() > Terrain.PlanetRadius / (1.1f * (Math.Pow(2, this.depth))) &&
(d - position).Length() > Terrain.PlanetRadius / (1.1f * (Math.Pow(2, this.depth))) &&
(e - position).Length() > Terrain.PlanetRadius / (1.1f * (Math.Pow(2, this.depth)))) ||
waterSphere.Contains(new BoundingBox(b, d)) == ContainmentType.Contains)
{
if (this.children[x, y] != null)
{
this.children[x, y].nullChildren();
this.children[x, y] = null;
}
continue;
}
if (children[x, y] == null)
{
int size = Planet.PlanetRes;
Terrain tmp = new Terrain(terrain[x, y].CellSize / 4.0f, terrain[x, y].Height, terrain[x, y].TextureTiling, size,
new Vector3(terrain[x, y].Position.X, terrain[x, y].Position.Y, terrain[x, y].Position.Z),
effect, baseTexture, Terrain.Type.CubeFace, this.depth + 1);
float[,] heights = new float[size, size];
for (int x1 = 0; x1 < size; x1++)
for (int y1 = 0; y1 < size; y1++)
heights[x1, y1] = this.terrain[x, y].heightMaps[x1 / 2, y1 / 2];
Vector3 blcOff = new Vector3(blockOffset.X, blockOffset.Y, (blockOffset.Z - 1) * 2 + 1);
blcOff.X *= 2;
blcOff.Y *= 2;
blcOff.X += (size - 1) * x;
blcOff.Y += (size - 1) * y;
tmp.GenerateCustom(new Fractal(size, (this.depth + 1) * 8).stepFrac(heights, 1), blcOff);
tmp.GlobalRot = terrain[x, y].GlobalRot;
TerrainBlock tb = new TerrainBlock(tmp, this.depth + 1, GraphicsDevice, effect, this.planetBlock, this.GetNeighbour, new Point(x, y), this, blcOff);
children[x, y] = tb;
}
if (children[x, y] != null)
children[x, y].SplitChildrenPlanet(position);
}
this.busy = false;
}
public void SplitChildren(object input)
{
if (this.planet)
{
this.SplitChildrenPlanet(input);
return;
}
Vector3 position = (Vector3)input;
if (this.depth >= maxDepth)
return;
if (this.busy)
return;
this.busy = true;
for (int i = 0; i < 4; i++)
{
int t = this.terrain[i].width - 1;
Vector3 a = this.terrain[i].Center + this.terrain[i].Position;//c
Vector3 b = this.terrain[i].getAdjustedPos(this.terrain[i].vertices[0].Position) + this.terrain[i].Position;//NW
Vector3 c = this.terrain[i].getAdjustedPos(this.terrain[i].vertices[t].Position) + this.terrain[i].Position;//NE
Vector3 d = this.terrain[i].getAdjustedPos(this.terrain[i].vertices[this.terrain[i].vertices.Count() - 1].Position) + this.terrain[i].Position;//SE
Vector3 e = this.terrain[i].getAdjustedPos(this.terrain[i].vertices[this.terrain[i].vertices.Count() - t - 1].Position) + this.terrain[i].Position;//SW
//float d = (Vector3.Cross((a - b), (b - position))).Length() / (a - b).Length();
if ((a - position).Length() > this.terrain[i].width * this.terrain[i].cellSize * (1.75f + (0.075f * depth)) &&
(b - position).Length() > this.terrain[i].width * this.terrain[i].cellSize * (1.25f + (0.075f * depth)) &&
(c - position).Length() > this.terrain[i].width * this.terrain[i].cellSize * (1.25f + (0.075f * depth)) &&
(d - position).Length() > this.terrain[i].width * this.terrain[i].cellSize * (1.25f + (0.075f * depth)) &&
(e - position).Length() > this.terrain[i].width * this.terrain[i].cellSize * (1.25f + (0.075f * depth)))
{
if (this.children[i] != null)
{
this.children[i].nullChildren();
this.children[i] = null;
}
continue;
}
float sizeOffset = (float)terrain[i].cellSize * ((float)terrain[i].width / 8.0f);
Terrain tmp = new Terrain(terrain[i].cellSize / 2.0f, terrain[i].height, terrain[i].textureTiling, (int)(terrain[i].width * 2 - 1),
new Vector3(terrain[i].Position.X - sizeOffset, terrain[i].Position.Y, terrain[i].Position.Z - sizeOffset),
terrain[i].lightDirection,GraphicsDevice,effect, baseTexture);
int size = terrain[i].width * 2 - 1;
float[,] heights = new float[size, size];
for (int x = 0; x < size; x += 2)
for (int y = 0; y < size; y += 2)
heights[x, y] = terrain[i].heightMaps[x / 2, y / 2];
if (children[i] == null)
{
tmp.GenerateCustom(new Fractal(size, this.depth + 8).singleStep(heights));
TerrainBlock tb = new TerrainBlock(tmp, this.depth + 1, this.planet, GraphicsDevice, effect);
children[i] = tb;
}
if (children[i] != null)
children[i].SplitChildren(position);
}
this.busy = false;
}