public VectorPoint Mod(VectorPoint other)
{
var newX = Mathi.Mod(x, other.X);
var newY = Mathi.Mod(y, other.Y);
return(new VectorPoint(newX, newY));
}
public IEnumerable <DiamondPoint> GetEdgeFaces()
{
var edgeAnchor = GetEdgeFaceAnchor();
int edgeIndex = Mathi.Mod(X + Y, 2);
return(from faceDirection in EdgeFaceDirections[edgeIndex]
select faceDirection + edgeAnchor);
}
public override FlatTriPoint RawWorldToGrid(Vector2 point)
{
float hexSize = cellDimensions.y * 2;
float y = point.x / hexSize * Mathf.Sqrt(3);
float x = (point.y - cellDimensions.y / 2) / hexSize;
int ti = Mathf.FloorToInt(-x + y);
int tj = Mathf.FloorToInt(x + y) + 1;
int tk = Mathf.FloorToInt(-2 * x);
return(new FlatTriPoint(ti, -tk, Mathi.Mod(tj + tk + ti, 2)));
}
public override PointyTriPoint RawWorldToGrid(Vector2 point)
{
float hexSize = cellDimensions.x * 2;
float x = point.y / hexSize * Mathf.Sqrt(3);
float y = (point.x - cellDimensions.x / 2) / hexSize /*- cellDimensions.y/2*/;
int ti = Mathf.FloorToInt(x - y);
int tj = Mathf.FloorToInt(x + y) + 1;
int tk = Mathf.FloorToInt(-2 * y);
return(new PointyTriPoint(-tk, ti, Mathi.Mod(tj + tk + ti, 2)));
}
/**
* Makes an edge grid for this grid.
*/
public IGrid <TNewCell, FlatRhombPoint> MakeEdgeGrid <TNewCell>()
{
var edges = this.SelectMany(x => x.GetEdges());
var storage = FlatRhombGrid <TNewCell> .CalculateStorage(edges);
var offset = FlatRhombGrid <TNewCell> .GridPointFromArrayPoint(storage.offset);
var oddPoint = new FlatHexPoint(
Mathi.Mod(offset.X, 2),
Mathi.Mod(offset.Y, 2));
var evenPoint = offset.Subtract(oddPoint);
return(new FlatRhombGrid <TNewCell>(storage.dimensions.X + 2, storage.dimensions.Y + 2, IsInsideEdgeGrid, evenPoint));
}
//TODO: Fix
public override FlatRhombPoint RawWorldToGrid(Vector2 point)
{
float hexSize = cellDimensions.y;
//basePoint += new Vector2(cellDimensions.x/2, cellDimensions.y / 4);
float y = (point.y - cellDimensions.y / 4) / hexSize;
float x = (point.x - cellDimensions.y / 4 / Mathf.Sqrt(3)) / hexSize * Mathf.Sqrt(3);
int ti = Mathf.FloorToInt(x - y);
int tj = Mathf.FloorToInt(x + y);
int tk = Mathf.FloorToInt(-2 * y);
float hi0 = Mathf.FloorToInt((+ti + tk + 2.0f) / 3);
float hj0 = Mathf.FloorToInt((+tj - tk + 1.0f) / 3);
float hk0 = hi0 + hj0;
float hi = -hi0;
float hj = hk0;
int index;
if (
Mathi.Mod(tj, 3) == 0 && Mathi.Mod(tk, 3) == 1 ||
Mathi.Mod(tj, 3) == 1 && Mathi.Mod(tk, 3) == 2 ||
Mathi.Mod(tj, 3) == 2 && Mathi.Mod(tk, 3) == 0)
{
index = 0;
}
else if (
Mathi.Mod(ti, 3) == 0 && Mathi.Mod(tk, 3) == 1 ||
Mathi.Mod(ti, 3) == 1 && Mathi.Mod(tk, 3) == 0 ||
Mathi.Mod(ti, 3) == 2 && Mathi.Mod(tk, 3) == 2
)
{
index = 1;
}
else
{
index = 2;
}
return(new FlatRhombPoint(Mathf.FloorToInt(hj), Mathf.FloorToInt(hi), index));
}
public override PointyHexPoint RawWorldToGrid(Vector2 worldPoint)
{
float angleRad = Mathf.Atan2(worldPoint.y - Center.y, worldPoint.x - Center.x);
if (angleRad < 0)
{
angleRad += 2 * Mathf.PI;
}
float radius = (new Vector2(worldPoint.x - Center.x, worldPoint.y - Center.y)).magnitude;
int n = Mathf.FloorToInt((radius - InnerRadius) / (OuterRadius - InnerRadius) * SectorsAndBands.Y);
int m = Mathf.FloorToInt((angleRad - sectorAngleRad * n / 2) / sectorAngleRad);
m = Mathi.Mod(m, SectorsAndBands.X);
return(new PointyHexPoint(m, n));
}
protected override Func <LinePoint, int> GetColorFunc(int x0, int x1, int y1)
{
return(point => Mathi.Mod(point, x0));
}
public int GetColor4()
{
return(Mathi.Mod(X + 3 * Y, 8));
}
public int GetColor1_2()
{
return(Mathi.Mod(X + Y, 2));
}
public PointyRhombPoint IncIndex(int n)
{
return(new PointyRhombPoint(basePoint, Mathi.Mod(index + n, SpliceCount)));
}
public FlatTriPoint IncIndex(int n)
{
return(new FlatTriPoint(basePoint, Mathi.Mod(index + n, SpliceCount)));
}
public CairoPoint IncIndex(int n)
{
return(new CairoPoint(basePoint, Mathi.Mod(index + n, SpliceCount)));
}
public int GetColor(int colorCount)
{
return(Mathi.Mod(n, colorCount));
}
public LinePoint Mod(LinePoint other)
{
return(Mathi.Mod(n, other.n));
}
public static bool IsInsideCheckerBoard(RectPoint point, int width, int height, bool includesOrigin)
{
return
(IsInsideRect(point, width, height) &&
(Mathi.Mod(point.X + point.Y, 2) == (includesOrigin ? 0 : 1)));
}
