override public FlatHexPoint RawWorldToGrid(Vector2 point)
{
int x = GLMathf.FloorToInt((point.x + cellDimensions.x / 2) / cellDimensions.x);
int y = GLMathf.FloorToInt((point.y - x * cellDimensions.y / 2 + cellDimensions.y / 2) / cellDimensions.y);
return(new FlatHexPoint(x, y));
}
public override LinePoint RawWorldToGrid(Vector2 worldPoint)
{
var point = (worldPoint + cellDimensions / 2);
var m = GLMathf.FloorToInt(point.x / cellDimensions.x);
return(m);
}
public override DiamondPoint RawWorldToGrid(Vector2 point)
{
int x =
GLMathf.FloorToInt((point.x + 0 * cellDimensions.x / 2) / cellDimensions.x +
/*GLMathf.FloorToInt(*/ (point.y + cellDimensions.y / 2) / cellDimensions.y);
int y =
GLMathf.FloorToInt((point.y + cellDimensions.y / 2) / cellDimensions.y -
(point.x + 0 * cellDimensions.x / 2) / cellDimensions.x);
return(new DiamondPoint(x, y));
}
/**
* Gives a coloring of the grid such that
* if a point p has color k, then all points
* p + m[ux, 0] + n[vx, vy] have the same color
* for any integers a and b.
*
* More information anout grid colorings:
* http://gamelogic.co.za/2013/12/18/what-are-grid-colorings/
*
* @since 1.7
*/
public int GetColor(int ux, int vx, int vy)
{
int colorCount = ux * vy;
float a = (x * vy - y * vx) / (float)colorCount;
float b = (y * ux) / (float)colorCount;
int m = GLMathf.FloorToInt(a);
int n = GLMathf.FloorToInt(b);
int baseVectorX = m * ux + n * vx;
int baseVectorY = n * vy;
int offsetX = GLMathf.FloorMod(X - baseVectorX, ux);
int offsetY = Y - baseVectorY;
int colorIndex = GLMathf.FloorToInt(offsetX + offsetY * ux);
return(colorIndex);
}
/**
* Gives a coloring of the grid such that
* if a point p has color k, then all points
* p + m[ux, 0] + n[vx, vy] have the same color
* for any integers a and b.
*
* More information anout grid colorings:
* http://gamelogic.co.za/2013/12/18/what-are-grid-colorings/
*
* @since 1.7
*/
public int __GetColor__ReferenceImplementation(int ux, int vx, int vy)
{
var u = new DiamondPoint(ux, 0);
var v = new DiamondPoint(vx, vy);
int colorCount = u.PerpDot(v);
float a = PerpDot(v) / (float)colorCount;
float b = -PerpDot(u) / (float)colorCount;
int m = GLMathf.FloorToInt(a);
int n = GLMathf.FloorToInt(b);
int baseVectorX = m * u.X + n * v.X;
int baseVectorY = n * u.Y + n * v.Y;
int offsetX = GLMathf.Mod(X - baseVectorX, ux);
int offsetY = Y - baseVectorY;
int colorIndex = GLMathf.FloorToInt(offsetX + offsetY * ux);
return(colorIndex);
}
public override RectPoint RawWorldToGrid(Vector2 point)
{
return new RectPoint(
GLMathf.FloorToInt((point.x + cellDimensions.x / 2) / cellDimensions.x),
GLMathf.FloorToInt((point.y + cellDimensions.y / 2) / cellDimensions.y));
}