private Tuple <Mesh, Matrix44d> CreateArrowData(int priority,
Pointd fromPoint, Pointd toPoint)
{
var diff = toPoint - fromPoint;
var length = diff.Distance;
var lengthMax = SquareSize.Width * 9.0;
// 距離が近いものほど小さくなる
var lengthRate = Math.Min(length, lengthMax) / lengthMax;
// 優先順位の低い矢印ほど、小さくなる値
var priorityRate = 1.0 / priority;
// 先にメッシュを作成
var mesh = MeshUtil.CreateArrow(
MathEx.InterpLiner(0.4, 0.2, lengthRate),
0.2, 0.05);
var rad = Math.Atan2(diff.Y, diff.X);
var transform = new Matrix44d();
transform.Translate(fromPoint.X, fromPoint.Y, 1.0);
transform.Rotate(rad - Math.PI / 2, 0, 0, 1);
transform.Scale(
SquareSize.Width *
MathEx.InterpLiner(1.2, 1.5, lengthRate) *
priorityRate,
length, 1.0);
return(Tuple.Create(mesh, transform));
}
private Mesh CreateArrowMesh(double length, double priorityRate, bool outline)
{
return(MeshUtil.CreateArrow(
SquareSize.Width / length *
MathEx.InterpLiner(0.6, 0.2, priorityRate),
0.7, 0.05, 0.05, outline));
}