private static void rngTriangleAreaTest()
{
var rng = new FastRng();
var a = new PointXY(rng.Exclusive(-1.0, 1.0), rng.Exclusive(0.0, 1.0));
var b = new PointXY(rng.Exclusive(1.0, 2.0), rng.Exclusive(-2.0, -1.0));
var c = new PointXY(rng.Exclusive(-2.0, -1.0), rng.Exclusive(-2.0, -1.0));
var bc = new PointXY(new[] { b, c }.Average());
var inside = new PointXY(new [] { a, bc }.Average());
Assert.IsTrue(inside.InsideTriangle(new List <IPoint>(new [] { a, b, c })));
var areaA = Triangle.Area(b, c, inside);
Assert.Less(Math.Abs(areaA - Triangle.Area(c, b, inside)), 1e-12);
Assert.Less(Math.Abs(areaA - Triangle.Area(inside, b, c)), 1e-12);
Assert.Less(Math.Abs(areaA - Triangle.Area(c, inside, b)), 1e-12);
var areaB = Triangle.Area(a, c, inside);
Assert.Less(Math.Abs(areaB - Triangle.Area(c, a, inside)), 1e-12);
Assert.Less(Math.Abs(areaB - Triangle.Area(inside, a, c)), 1e-12);
Assert.Less(Math.Abs(areaB - Triangle.Area(c, inside, a)), 1e-12);
var areaC = Triangle.Area(a, b, inside);
Assert.Less(Math.Abs(areaC - Triangle.Area(b, a, inside)), 1e-12);
Assert.Less(Math.Abs(areaC - Triangle.Area(inside, a, b)), 1e-12);
Assert.Less(Math.Abs(areaC - Triangle.Area(b, inside, a)), 1e-12);
var area = Triangle.Area(a, b, c);
Assert.Less(Math.Abs(area - Triangle.Area(b, a, c)), 1e-12);
Assert.Less(Math.Abs(area - Triangle.Area(c, a, b)), 1e-12);
Assert.Less(Math.Abs(area - Triangle.Area(b, c, a)), 1e-12);
Assert.Less(Math.Abs(area - (areaA + areaB + areaC)), 1e-12);
}
public void InsideTriangleTest()
{
var rng = new FastRng();
for (int i = 2; i < 100; i++)
{
var a = new PointXY(rng.Exclusive(-100.0, 100.0), rng.Exclusive(-100.0, 100.0));
var b = new PointXY(rng.Exclusive(-100.0, 100.0), rng.Exclusive(-100.0, 100.0));
var c = new PointXY(rng.Exclusive(-100.0, 100.0), rng.Exclusive(-100.0, 100.0));
var midpointBC = new PointXY((b.X + c.X) / (2.0), (b.Y + c.Y) / (2.0));
var insidePoint = new PointXY((midpointBC.X + a.X) / (2.0), (midpointBC.Y + a.Y) / (2.0));
Assert.IsTrue(insidePoint.InsideTriangle(a, b, c));
var dx = midpointBC.X - a.X;
var dy = midpointBC.Y - a.Y;
// outside point, past BC on a->midpointBC vector.
// As i increases, point is closer to to midpoint of BC
var outsidePoint = new PointXY((midpointBC.X + dx / i), (midpointBC.Y + dy / i));
Assert.IsFalse(outsidePoint.InsideTriangle(a, b, c));
var dxy = new Vector(midpointBC.X - a.X, midpointBC.Y - a.Y);
var outside = new PointXY(midpointBC + dxy / i);
Assert.IsFalse(outside.InsideTriangle(a, b, c));
// inside point, inside BC on a->midpointBC vector
// As i increases, point is closer to midpoint of BC
insidePoint = new PointXY((midpointBC.X - dx / i), (midpointBC.Y - dy / i));
Assert.IsTrue(insidePoint.InsideTriangle(a, b, c));
var inside = new PointXY(midpointBC - dxy / i);
Assert.IsTrue(inside.InsideTriangle(c, b, a));
}
}
public static IEnumerable <HexagonLocationUV> GetHexagonsIntersectedByLine(PointXY startPoint, PointXY endPoint, HexagonDefinition hexagonDefinition)
{
var startHexagon = HexagonUtils.GetHexagonLocationUVForPointXY(startPoint, hexagonDefinition);
var endHexagon = HexagonUtils.GetHexagonLocationUVForPointXY(endPoint, hexagonDefinition);
var minU = new[] { startHexagon.U, endHexagon.U }.Min() - 1;
var maxU = new[] { startHexagon.U, endHexagon.U }.Max() + 1;
var minV = new[] { startHexagon.V, endHexagon.V }.Min() - 1;
var maxV = new[] { startHexagon.V, endHexagon.V }.Max() + 1;
var matchingHexagons = new List <HexagonLocationUV>();
for (var u = minU; u <= maxU; u++)
{
for (var v = minV; v <= maxV; v++)
{
var points = HexagonUtils.GetPointsXYOfHexagon(new HexagonLocationUV(u, v), hexagonDefinition);
for (var k = 0; k < points.Count() - 1; k++)
{
var p0 = points[k];
var p1 = points[k + 1];
if (GetLineIntersection(p0, p1, startPoint, endPoint) != null)
{
matchingHexagons.Add(new HexagonLocationUV(u, v));
break;
}
}
}
}
return(matchingHexagons);
}
/// <summary>
/// Obtains the Hexagon Location (u,v) for a given point (x,y)
/// </summary>
/// <remarks>
/// This algorithm follows a two step approach. The first one is very first and although doesn't have false positives
/// might have false negatives.
/// Thus, on a second iteration (if the first didn't return true) it checks the vicinity hexagons and uses a more
/// deterministic polygon intersection mechanism.
/// </remarks>
/// <param name="point">A given X,Y point</param>
/// <param name="hexagonDefinition"></param>
/// aaa
/// <returns>An hexagon U,V Location</returns>
public static HexagonLocationUV GetHexagonLocationUVForPointXY(PointXY point, HexagonDefinition hexagonDefinition)
{
var u = Convert.ToInt32(Math.Round(point.X / hexagonDefinition.NarrowWidth));
var v = Convert.ToInt32(Math.Round(point.Y / hexagonDefinition.Height - u * 0.5));
if (IsPointXYInsideHexagonLocationUV(point, new HexagonLocationUV(u, v), hexagonDefinition))
{
return(new HexagonLocationUV(u, v));
}
var surroundingHexagons = new List <HexagonLocationUV>
{
new HexagonLocationUV(u, v - 1),
new HexagonLocationUV(u, v + 1),
new HexagonLocationUV(u - 1, v),
new HexagonLocationUV(u + 1, v),
new HexagonLocationUV(u - 1, v + 1),
new HexagonLocationUV(u + 1, v - 1)
};
foreach (var hex in surroundingHexagons)
{
if (IsPointXYInsideHexagonLocationUV(point, hex, hexagonDefinition))
{
return(hex);
}
}
return(null);
}
public static ValueRange <PointXY> Limits <TPoint>(this IEnumerable <TPoint> points) where TPoint : IPoint
{
var xMin = double.MaxValue;
var yMin = double.MaxValue;
var yMax = double.MinValue;
var xMax = double.MinValue;
foreach (var point in points)
{
if (point.X > xMax)
{
xMax = point.X;
}
if (point.Y > yMax)
{
yMax = point.Y;
}
if (point.X < xMin)
{
xMin = point.X;
}
if (point.Y < yMin)
{
yMin = point.Y;
}
}
;
var min = new PointXY(xMin, yMin);
var max = new PointXY(xMax, yMax);
var range = new ValueRange <PointXY>(min, max);
return(range);
}
void CheckNextTurn()
{
Unit un = playerUnits[0];
bool tf = true;
for (int i = 0; i < maxPlayerUnits; i++)
{
if ((playerUnits[i].unit.id != 0) && (playerUnits[i].unit.curAP > 0))
{
tf = false;
un = playerUnits[i];
chosenPoint = new PointXY(playerUnits[i].point);
}
}
if (tf)
{
// Debug.Log(tf);
enemyUnitNow = 0;
enemyTurn = true;
for (int i = 0; i < maxPlayerUnits; i++)
{
playerUnits[i].unit.calculateNewTurn();
}
for (int i = 0; i < maxEnemyUnits; i++)
{
enemyUnits[i].unit.calculateNewTurn();
}
chosenPoint = new PointXY(playerUnits[0].point);
}
}
public Unit(int a, int b, bool tf, PointXY rot)
{
this.point = new PointXY(a, b);
this.rotation = new PointXY(rot);
this.unit = new MovebleObject(1, tf);
//this.unit.Generate(1);
}
ArrayList GetWay(PointXY p)
{
ArrayList newWay = new ArrayList();
newWay.Add(p);
int step = 0;
//Debug.Log(p.x + " " + p.y + " " + dist[p.x][p.y]);
while (dist[p.x][p.y] > 0)
{
// step++;
//if (step > 50)
//{
// break;
//}
p = parents[p.x][p.y];
// Debug.Log(p.x + " " + p.y + " " + dist[p.x][p.y]);
newWay.Add(p);
}
//if (step > 50)
//{
// Debug.Log(dist[p.x][p.y]);
//}
return(newWay);
}
public BoundingBox(PointXY nw, PointXY se)
{
North = nw.Y;
South = se.Y;
West = nw.X;
East = se.X;
}
public Damage(Damage dmg, PointXY vectorTarget, PointXY vectorAttack, Armour arm)
{
this.damage = Mathf.Max(0, dmg.piercingDamage - arm.piercingArmour) + Mathf.Max(0, dmg.slashDamage - arm.slashArmour) +
Mathf.Max(0, dmg.axeDamage - arm.axeArmour) + Mathf.Max(0, dmg.crashDamage - arm.crashArmour);
double a1 = Mathf.Atan2(vectorAttack.x, vectorAttack.y);
if (a1 < 0)
{
a1 += Mathf.PI * 2;
}
double a2 = Mathf.Atan2(vectorTarget.x, vectorTarget.y);
if (a2 < 0)
{
a2 += Mathf.PI * 2;
}
double resultAngle = (a2 - a1);
if (resultAngle < 0)
{
resultAngle += Mathf.PI * 2;
}
if (resultAngle > Mathf.PI)
{
resultAngle = Mathf.PI * 2 - resultAngle;
}
resultAngle = Mathf.PI - resultAngle;
resultAngle /= Mathf.PI;
this.damage = this.damage + (int)(this.damage * resultAngle);
}
public async Task <bool> ExportResults(IEnumerable <Hexagon> hexagons, HexagonDefinition hexagonDefinition, MergeStrategy mergeStrategy)
{
foreach (Hexagon hexagon in hexagons)
{
string insertCommand = @"INSERT INTO HexagonLocation (U,V,PIXELX,PIXELY) VALUES (@U,@V,@PixelX,@PixelY) ON CONFLICT(U,V) DO UPDATE SET PixelX=excluded.PixelX,PixelY=excluded.PixelY";
PointXY hexagonCenter = HexagonUtils.GetCenterPointXYOfHexagonLocationUV(hexagon.LocationUV, hexagonDefinition);
await _connection.ExecuteAsync(insertCommand,
new
{
hexagon.LocationUV.U,
hexagon.LocationUV.V,
PixelX = hexagonCenter.X,
PixelY = hexagonCenter.Y
});
foreach (var key in hexagon.HexagonData.Data.Keys)
{
object dataValue = hexagon.HexagonData.Data[key];
string insertDataCommand = @"INSERT INTO HexagonData (U,V,FIELD,VALUE) VALUES (@U,@V,@Field,@Value) ON CONFLICT(U,V,FIELD) DO ";
switch (mergeStrategy)
{
case MergeStrategy.BitMask:
insertDataCommand += "UPDATE SET VALUE=VALUE|excluded.Value";
break;
case MergeStrategy.Ignore:
insertDataCommand += "NOTHING";
break;
case MergeStrategy.Replace:
insertDataCommand += "UPDATE Set Value=excluded.Value";
break;
case MergeStrategy.Max:
insertDataCommand += "UPDATE Set Value=max(excluded.Value,Value)";
break;
case MergeStrategy.Min:
insertDataCommand += "UPDATE Set Value=min(excluded.Value,Value)";
break;
}
await _connection.ExecuteAsync(insertDataCommand,
new
{
hexagon.LocationUV.U,
hexagon.LocationUV.V,
Field = key,
Value = dataValue
});
}
}
return(true);
}
public Unit(int a, int b, string s, bool tf, PointXY rot)
{
this.point = new PointXY(a, b);
this.rotation = new PointXY(rot);
// Debug.Log(s);
this.unit = new MovebleObject(s);
//this.unit.Generate(1);
}
public void LatLonToPixelXYTest(double lon, double lat, int pixelX, int pixelY, int zoom)
{
PointXY pixel = new PointXY();
(pixel.X, pixel.Y) = TileSystem.LatLongToPixelXY(lat, lon, zoom);
Assert.Equal(pixelX, pixel.X);
Assert.Equal(pixelY, pixel.Y);
}
private static void rightTriangleAreaTest(IPoint origin, double height, double width)
{
var a = new PointXY(origin.X + width, origin.Y);
var b = new PointXY(origin.X, origin.Y);
var c = new PointXY(origin.X, origin.Y + height);
Assert.Less(Math.Abs(Triangle.Area(a, b, c) - Math.Abs(height * width) / 2.0), 1e-12);
Assert.Less(Math.Abs(Triangle.Area((Point)a, (Point)b, (Point)c) - Math.Abs(height * width) / 2.0), 1e-12);
}
/// <summary>
/// 检查两个数据点是否重合
/// </summary>
/// <param name="srcPt"></param>
/// <param name="tarPt"></param>
/// <returns></returns>
private bool PointIsEqual(PointXY srcPt, PointXY tarPt)
{
if (Math.Abs(srcPt.dx - tarPt.dx) < m_pPara.dPointDist && Math.Abs(srcPt.dy - tarPt.dy) < m_pPara.dPointDist)
{
return(true);
}
return(false);
}
public override object ConvertTo(ITypeDescriptorContext context, System.Globalization.CultureInfo culture, object value, Type destinationType)
{
if (destinationType == typeof(string))
{
PointXY point = (PointXY)value;
return(point.X + " " + point.Y);
}
return(base.ConvertTo(context, culture, value, destinationType));
}
private static TileInfo GetTileOfPoint(PointXY pointXY, int zoomLevel, int tileSize, HexagonDefinition hexagonDefinition)
{
var pixelFactor = Math.Pow(2, zoomLevel - hexagonDefinition.ReferenceZoom);
var tileX = Convert.ToInt32(Math.Floor(pointXY.X * pixelFactor / tileSize));
var tileY = Convert.ToInt32(Math.Floor(pointXY.Y * pixelFactor / tileSize));
return(new TileInfo(zoomLevel, tileX, tileY));
}
public void ClearPicture()
{
LabelX.Hide();
LabelY.Hide();
PointXY.Hide();
m_Grapic.Clear(Color.White);
PicWafer.Refresh();
}
public static IEnumerable <PointXY> GetHexagonPixels(int edgeSize, PointXY center)
{
for (var i = 0; i < 6; i++)
{
float angle_deg = 60f * i;
float angle_rad = (float)Math.PI / 180f * angle_deg;
yield return(new PointXY(center.X + edgeSize * (float)Math.Cos(angle_rad),
center.Y + edgeSize * (float)Math.Sin(angle_rad)));
}
}
public void DealDamage(Damage dmg, PointXY vectorTarget, PointXY vectorAttack)
{
Damage reducedDamage = new Damage(dmg, vectorTarget, vectorAttack, this.armour);
this.curHits -= Mathf.Max(0, reducedDamage.Sum());
if (this.curHits <= 0)
{
this.id = 0;
}
}
void Dijkstra(PointXY p1)
{
PointXY p = new PointXY(p1);
int INF = 10000000;
int n = 6;
int k = 6;
for (int i = 0; i < n; i++)
{
for (int j = 0; j < k; j++)
{
dist[i][j] = INF;
flags[i][j] = false;
}
}
dist[p.x][p.y] = 0;
int step = 0;
while ((dist[p.x][p.y] < INF - 1) && (step < 500))
{
step++;
// Dep.yug.Log(dist[p.x][p.y]);
for (int i = -1; i <= 1; i++)
{
for (int j = -1; j <= 1; j++)
{
// Dep.yug.Log(Vp.xlid(p.x + i, p.y + j));
if (Valid(p.x + i, p.y + j) && (dist[p.x + i][p.y + j] > dist[p.x][p.y] + Len(p.x, p.y, p.x + i, p.y + j)))
{
dist[p.x + i][p.y + j] = dist[p.x][p.y] + Len(p.x, p.y, p.x + i, p.y + j);
//Debug.Log(p.x + " " + p.y);
parents[p.x + i][p.y + j] = new PointXY(p);
}
}
}
flags[p.x][p.y] = true;
float min = INF;
for (int i = 0; i < 6; i++)
{
for (int j = 0; j < 6; j++)
{
if ((dist[i][j] < min) && (!flags[i][j]))
{
p.x = i;
p.y = j;
min = dist[i][j];
}
}
}
}
}
/// <summary>
/// Determines if a specified point (x,y) is inside a given hexagon Location (u,v)
/// </summary>
/// <param name="point"></param>
/// <param name="location"></param>
/// <param name="hexagonDefinition"></param>
/// <returns>True if inside the hexagon, false otherwise</returns>
public static bool IsPointXYInsideHexagonLocationUV(PointXY point, HexagonLocationUV location,
HexagonDefinition hexagonDefinition)
{
var center = GetCenterPointXYOfHexagonLocationUV(location, hexagonDefinition);
var d = hexagonDefinition.Diameter;
var dx = Math.Abs(point.X - center.X) / d;
var dy = Math.Abs(point.Y - center.Y) / d;
var a = 0.25 * Math.Sqrt(3.0);
return(dy <= a && a * dx + 0.25 * dy <= 0.5 * a);
}
public IActionResult Get(int z, int x, int y)
{
using (var destinationImage = new Image <Rgba32>(TileSize, TileSize))
{
if (z >= 7)
{
var hexSize = 500;
var size = (int)(hexSize / Math.Pow(2, 10 - z));
var hexagonDefinition = new HexagonDefinition(size, 10);
//Tile offset
var pixelX = x * TileSize;
var pixelY = y * TileSize;
var topLeft = new PointXY(pixelX - size, pixelY - size);
var bottomRight = new PointXY(pixelX + TileSize + size, pixelY + TileSize + size);
foreach (HexagonLocationUV hexagon in HexagonUtils.GetHexagonsInsideBoundingBox(topLeft, bottomRight, hexagonDefinition))
{
PointXY center = HexagonUtils.GetCenterPointXYOfHexagonLocationUV(hexagon, hexagonDefinition);
IList <PointXY> hexagonPoints = HexagonUtils
.GetHexagonPixels(size, new PointXY(center.X - pixelX, center.Y - pixelY)).ToList();
PointF[] points = hexagonPoints.Select(p => new PointF((float)p.X, (float)p.Y)).ToArray();
destinationImage.Mutate(ctx => ctx
.DrawLines(
new Rgba32(200, 200, 200, 200),
5,
points)
.DrawLines(
new Rgba32(100, 100, 100, 200),
2,
points));
}
}
Stream outputStream = new MemoryStream();
destinationImage.Save(outputStream, new PngEncoder());
outputStream.Seek(0, SeekOrigin.Begin);
return(this.File(outputStream, "image/png"));
}
}
public static PointXY GetLineIntersection(PointXY p0, PointXY p1, PointXY p2, PointXY p3)
{
var s1X = p1.X - p0.X;
var s1Y = p1.Y - p0.Y;
var s2X = p3.X - p2.X;
var s2Y = p3.Y - p2.Y;
var s = (-s1Y * (p0.X - p2.X) + s1X * (p0.Y - p2.Y)) / (-s2X * s1Y + s1X * s2Y);
var t = (s2X * (p0.Y - p2.Y) - s2Y * (p0.X - p2.X)) / (-s2X * s1Y + s1X * s2Y);
if (s >= 0 && s <= 1 && t >= 0 && t <= 1)
{
var intX = p0.X + t * s1X;
var intY = p0.Y + t * s1Y;
return(new PointXY(intX, intY));
}
return(null);
}
void Swap(PointXY p1, PointXY p2, bool tf)
{
Unit playerUnit = GetUnit(p1);
playerUnit.point = new PointXY(p2);
map[p1.x][p1.y].movebleObject = map[p2.x][p2.y].movebleObject;
map[p2.x][p2.y].movebleObject = playerUnit.unit;
way = GetWay(p2);
// Debug.Log(p2.x.ToString() + " " + p2.y.ToString());
if (tf)
{
for (int i = 0; i < maxPlayerUnits; i++)
{
if (playerUnits[i] == playerUnit)
{
Transform tr = this.gameObject.transform;
// Debug.Log(1);
block = true;
this.GetComponent <UnitMove>().SetWay(playerUnits[i], playerUnitsGO[i], way);
}
// Debug.Log(playerUnits[i].x);
//playerUnitsGO[i].transform.position = new Vector3(tr.position.x - dx / 2 - 2 * dx + dx * playerUnits[i].point.x, tr.position.y - dx / 2 - dx + dx * playerUnits[i].point.y, tr.position.z);
}
}
else
{
// enemyUnitNow = 0;
for (int i = 0; i < maxEnemyUnits; i++)
{
if (enemyUnits[i] == playerUnit)
{
Transform tr = this.gameObject.transform;
// Debug.Log(playerUnits[i].x);
block = true;
//enemyUnitNow = 0;
this.GetComponent <UnitMove>().SetWay(enemyUnits[i], enemyUnitsGO[i], way);
//enemyUnitsGO[i].transform.position = new Vector3(tr.position.x - dx / 2 - 2 * dx + dx * enemyUnits[i].point.x, tr.position.y - dx / 2 - dx + dx * enemyUnits[i].point.y, tr.position.z);
}
}
}
}
public void ShowLayout(bool bShow)
{
if (bShow == true)
{
LabelX.Show();
LabelY.Show();
PointXY.Show();
DrawLayout();
}
else
{
LabelX.Hide();
LabelY.Hide();
PointXY.Hide();
ClearLayout();
}
}
// Update is called once per frame
void Update()
{
if (flag)
{
//Debug.Log(newWay.Count);
PointXY a = (PointXY)newWay[segment - 1];
PointXY b = new PointXY(0, 0);
if (segment < newWay.Count)
{
b = (PointXY)newWay[segment];
}
if (segment < newWay.Count)
{
if (Time.time - timer > len)
{
Transform tr = this.gameObject.transform;
//Debug.Log((b.x - a.x).ToString() + " " + (b.y - a.y).ToString());
unitObject.SetRotation(new PointXY(b.x - a.x, b.y - a.y));
//Debug.Log(unitObject.rotation.x.ToString() + " " + unitObject.rotation.y.ToString());
Rotation(b.x - a.x, b.y - a.y);
len = Mathf.Sqrt((b.x - a.x) * (b.x - a.x) + (b.y - a.y) * (b.y - a.y));
unit.gameObject.transform.position = new Vector3(tr.position.x - dx / 2 - 2 * dx + dx * a.x, tr.position.y - dx / 2 - dx + dx * a.y, tr.position.z);
segment++;
timer = Time.time;
Vector2 speed = new Vector2((b.x - a.x) / len, (b.y - a.y) / len) * dx;
unit.gameObject.GetComponent <Rigidbody2D>().velocity = speed;
}
}
else
{
if (Time.time - timer > len)
{
flag = false;
Transform tr = this.gameObject.transform;
Vector2 speed = new Vector2(0, 0);
unit.gameObject.GetComponent <Rigidbody2D>().velocity = speed;
unit.gameObject.transform.position = new Vector3(tr.position.x - dx / 2 - 2 * dx + dx * a.x, tr.position.y - dx / 2 - dx + dx * a.y, tr.position.z);
this.gameObject.GetComponent <BattleSceneControl>().SetBlock(false);
}
}
}
}
public IEnumerable <Hexagon> ProcessArea(GeoData geoData, LayersLoaderTarget[] targets = null)
{
foreach (PointXY[] geoCoordinates in geoData.Points)
{
var topLeftCoordinate = new PointXY(geoCoordinates.Min(c => c.X), geoCoordinates.Min(c => c.Y));
var bottomRightCoordinate = new PointXY(geoCoordinates.Max(c => c.X), geoCoordinates.Max(c => c.Y));
var hexagonLocations = HexagonUtils.GetHexagonsInsideBoundingBox(topLeftCoordinate, bottomRightCoordinate, hexagonDefinition);
foreach (var hexagonLocation in hexagonLocations)
{
var center = HexagonUtils.GetCenterPointXYOfHexagonLocationUV(hexagonLocation, hexagonDefinition);
if (AreaHelper.IsPointInsidePolygon(center.X, center.Y, geoCoordinates))
{
yield return(CreateHexagon(geoData, targets, hexagonLocation, (geo, target) => geo.Values[target.SourceField]));
}
}
}
}
/// <summary>
/// 插值算法 反距离加权法IDW
/// </summary>
/// <param name="input">离散点的XYZ</param>
/// <param name="outpoint">平均点的XY</param>
/// <returns></returns>
public static bool InverseDistanceWeighted(List <PointXYZ> input, PointXY outpoint)
{
try{
double r = 0.0; //距离的倒数和
double ri = 0.0; //i点的权重
foreach (PointXYZ inputpoint in input)
{
r += 1.0 / (Math.Pow(inputpoint.X - outpoint.X, 2) + Math.Pow(inputpoint.Y - outpoint.Y, 2));
}
foreach (PointXYZ inputpoint in input)
{
ri = 1.0 / (Math.Pow(inputpoint.X - outpoint.X, 2) + Math.Pow(inputpoint.Y - outpoint.Y, 2)) / r;
inputpoint.Z = ri;
}
return(true);
}
catch {
return(false);
}
}
GameObject GetUnitGO(PointXY p)
{
GameObject un = null;
for (int i = 0; i < maxPlayerUnits; i++)
{
if ((playerUnits[i].point.x == p.x) && (playerUnits[i].point.y == p.y))
{
un = playerUnitsGO[i];
break;
}
}
for (int i = 0; i < maxEnemyUnits; i++)
{
if ((enemyUnits[i].point.x == p.x) && (enemyUnits[i].point.y == p.y))
{
un = enemyUnitsGO[i];
break;
}
}
return(un);
}
/// <summary>
/// ����������ݵ��Ƿ��غ�
/// </summary>
/// <param name="srcPt"></param>
/// <param name="tarPt"></param>
/// <returns></returns>
private bool PointIsEqual(PointXY srcPt, PointXY tarPt)
{
if (Math.Abs(srcPt.dx - tarPt.dx) < m_pPara.dPointDist && Math.Abs(srcPt.dy - tarPt.dy) < m_pPara.dPointDist)
{
return true;
}
return false;
}
/// <summary>
/// ֱ��ʹ��Ƕ��ѭ���ķ�����������������˵�ǡ���������
/// </summary>
/// <param name="ipPtFeaCls">��ͼ��</param>
/// <returns></returns>
private bool SearchStupid(IFeatureClass ipPtFeaCls)
{
if (ipPtFeaCls == null) return false;
// ����Դͼ��Ҫ��
IQueryFilter ipQuery = new QueryFilterClass();
ipQuery.SubFields = "OBJECTID,Shape";
IFeatureCursor ipFeatCursor = ipPtFeaCls.Search(ipQuery, true);
IFeature ipFeature = ipFeatCursor.NextFeature();
IGeometry ipGeometry = null;
int OID1 = -1;
string str;
while (ipFeature != null)
{
ipGeometry = ipFeature.Shape;
OID1 = ipFeature.OID;
if (ipGeometry == null)
{
ipFeature = ipFeatCursor.NextFeature();
continue;
}
else
{
if (ipGeometry.GeometryType == esriGeometryType.esriGeometryPoint ||
ipGeometry.GeometryType == esriGeometryType.esriGeometryMultipoint)
{
PointXY pt = new PointXY();
IPoint ipT = (IPoint)ipGeometry;
pt.dx = ipT.X;
pt.dy = ipT.Y;
str = OID1.ToString();
m_MapOIDFeature1.Add(str, pt);
m_MapOIDFeature2.Add(str, pt);
}
}
Marshal.ReleaseComObject(ipFeature);
ipFeature = ipFeatCursor.NextFeature();
}
string rsOID, rsOID2;
PointXY rsGeometry;
PointXY rsGeometry2;
m_aryResult = new List<PointDistInfo>();
foreach (DictionaryEntry dn in m_MapOIDFeature1)
{
rsOID = (string)dn.Key;
rsGeometry = (PointXY)dn.Value;
foreach (DictionaryEntry dn2 in m_MapOIDFeature2)
{
rsOID2 = (string)dn2.Key;
rsGeometry2 = (PointXY)dn2.Value;
// ��������
double dDist = (rsGeometry2.dx - rsGeometry.dx) * (rsGeometry2.dx - rsGeometry.dx) +
(rsGeometry2.dy - rsGeometry.dy) * (rsGeometry2.dy - rsGeometry.dy);
if (rsOID != rsOID2 && Math.Sqrt(dDist) < m_pPara.dPointDist)
{
// ��ҽ����¼
PointDistInfo PtInfo = new PointDistInfo();
PtInfo.dDistance = Math.Round(Math.Sqrt(dDist), 2);
PtInfo.OID1 = Convert.ToInt32(rsOID);
PtInfo.OID2 = Convert.ToInt32(rsOID2);
m_aryResult.Add(PtInfo);
break;
}
}
}
ClearMap();
return true;
}