private System.Drawing.Point GetPolygonCorner(System.Drawing.Point centerPoint, int corner, double cornerAngle, double angleOffset)
{
var angleDeg = cornerAngle * corner + angleOffset;
var angleRad = Math.PI / 180 * angleDeg;
var xPart = CellWidth * Math.Cos(angleRad) * CellVertexDistance;
var yPart = CellWidth * Math.Sin(angleRad) * CellVertexDistance;
var pointX = Convert.ToInt32(centerPoint.X + xPart);
var pointY = Convert.ToInt32(centerPoint.Y + yPart);
var drawingPoint = new System.Drawing.Point(pointX, pointY);
return(drawingPoint);
}
private Polygon MapPointToHexagon(Point point)
{
var centerPoint = GetHexagonCenterPoint(point);
var points = new System.Drawing.Point[6];
for (var i = 0; i < points.Length; i++)
{
points[i] = GetPolygonCorner(centerPoint, i, 60, 30);
}
var polygon = new Polygon(points);
return(polygon);
}
private System.Drawing.Point GetHexagonCenterPoint(Point mapPoint)
{
var xPart = Convert.ToInt32(OffsetX + mapPoint[0] * CellWidth + CellWidth / 2);
var yPart = Convert.ToInt32(OffsetY + mapPoint[1] * CellHeight + CellHeight / 2);
if (mapPoint[1] % 2 == 0)
{
xPart += CellWidth / 2;
}
var centerPoint = new System.Drawing.Point(xPart, yPart);
return(centerPoint);
}
private Polygon MapPointToRectangle(Point point)
{
var centerPoint = GetRectangleCenterPoint(point);
var points = new System.Drawing.Point[4];
for (var i = 0; i < points.Length; i++)
{
points[i] = GetPolygonCorner(centerPoint, i, 90, 45);
}
var polygon = new Polygon(points);
return(polygon);
}
private System.Drawing.Point GetRectangleCenterPoint(Point mapPoint)
{
var centerPoint = new System.Drawing.Point(OffsetX + mapPoint[0] * CellWidth + CellWidth / 2, OffsetY + mapPoint[1] * CellHeight + CellHeight / 2);
return(centerPoint);
}