public void ChangePos(fk_AppWindow argWin)
{
if (argWin.GetMouseStatus(fk_MouseButton.MOUSE1, fk_SwitchStatus.PRESS, false) == true)
{
var plane = new fk_Plane();
plane.SetPosNormal(new fk_Vector(0.0, 0.0, 0.0), new fk_Vector(0.0, 0.0, 1.0));
var pos3D = new fk_Vector();
var pos2D = argWin.MousePosition;
argWin.GetProjectPosition(pos2D.x, pos2D.y, plane, pos3D);
Pos = pos3D;
}
}
static void Main(string[] args)
{
fk_Material.InitDefault();
// ウィンドウ生成
var window = new fk_AppWindow();
window.Size = new fk_Dimension(600, 600);
window.BGColor = new fk_Color(1, 1, 1);
window.Open();
var posArray = new fk_Vector[100];
var point = new fk_Point();
for (int i = 0; i < 100; i++)
{
posArray[i] = new fk_Vector(fk_Math.DRand(-25.0, 25.0),
fk_Math.DRand(-25.0, 25.0), 0.0);
point.PushVertex(posArray[i]);
}
var pointModel = new fk_Model();
pointModel.Shape = point;
pointModel.PointColor = new fk_Color(0.0, 0.0, 0.0);
pointModel.PointSize = 2.0;
window.Entry(pointModel);
pointModel.ElementMode = fk_ElementMode.ELEMENT;
var line = new fk_Line();
var lineModel = new fk_Model();
lineModel.Shape = line;
lineModel.LineColor = new fk_Color(0.0, 0.0, 1.0);
window.Entry(lineModel);
var posList = new List <fk_Vector>();
posList.AddRange(posArray);
var startPos = new fk_Vector();
double posX = -9999;
foreach (fk_Vector pos in posList)
{
if (pos.x > posX)
{
posX = pos.x;
startPos = pos;
}
}
var startPos1 = new fk_Vector();
double y = -999;
foreach (fk_Vector pos in posArray)
{
var vec1 = pos - startPos; vec1.Normalize();
var vec2 = new fk_Vector(0, 1, 0); vec2.Normalize();
double naiseki = vec1 * vec2;
if (naiseki >= y && pos != startPos)
{
y = naiseki;
startPos1 = pos;
}
}
var newPosList = new List <fk_Vector>();
newPosList.Add(startPos);
newPosList.Add(startPos1);
//posList.Remove(startPos);
posList.Remove(startPos1);
line.PushLine(startPos, startPos1);
var startVec = startPos1 - startPos;
var vecList = new List <fk_Vector>();
vecList.Add(startVec);
for (int i = 2; i < posArray.Length; i++)
{
var nextPos = new fk_Vector();
double naiseki0 = -9999;
foreach (fk_Vector pos in posList)
{
var vec1 = pos - newPosList[i - 1]; vec1.Normalize();
var vec2 = vecList[i - 2]; vec2.Normalize();
double naiseki = vec1 * vec2;
if (naiseki > naiseki0)
{
naiseki0 = naiseki;
nextPos = pos;
}
}
posList.Remove(nextPos);
newPosList.Add(nextPos);
line.PushLine(newPosList[i - 1], nextPos);
var vec = nextPos - newPosList[i - 1];
vecList.Add(vec);
if (nextPos == startPos)
{
break;
}
}
var clickPos = new fk_Vector();
var winPos = new fk_Vector();
var plane = new fk_Plane();
plane.SetPosNormal(clickPos, new fk_Vector(0.0, 0.0, 1.0));
Console.WriteLine(startPos);
Console.WriteLine(vecList.Count);
int pointID = 99;
while (window.Update())
{
if (window.GetMouseStatus(fk_MouseButton.M1, fk_Switch.DOWN, true))
{
pointID += 1;
winPos = window.MousePosition;
window.GetProjectPosition(winPos.x, winPos.y, plane, clickPos);
clickPos = new fk_Vector(clickPos.x, clickPos.y, 0);
var count = 0;
for (int i = 0; i < vecList.Count; i++)
{
var vx1 = newPosList[i + 1].x - newPosList[i].x;
var vy1 = newPosList[i + 1].y - newPosList[i].y;
var vx2 = clickPos.x - newPosList[i].x;
var vy2 = clickPos.y - newPosList[i].y;
var ans = vx1 * vy2 - vy1 * vx2;
Console.WriteLine(ans);
if (ans < 0)
{
count += 1;
}
}
Console.WriteLine(count);
if (count > 0)
{
point.PushVertex(clickPos);
point.SetColor(pointID, new fk_Color(1, 0, 0));
}
else
{
point.PushVertex(clickPos);
point.SetColor(pointID, new fk_Color(0, 1, 0));
}
}
}
}
