/// <summary>
/// Creates the curve.
/// </summary>
/// <param name="positionList">Position list.</param>
/// <param name="action">メッシュ生成に必要な情報を受け取るコールバック.</param>
public static void CreateArea(List <Vector3> positionList, Action <MeshSet> action)
{
var positionSetList = new Utility.PositionSetList();
for (int i = 0; i < positionList.Count; i++)
{
int prevIndex = i - 1;
int nextIndex = i + 1;
if (i == 0)
{
prevIndex = positionList.Count - 1;
}
if (i == positionList.Count - 1)
{
nextIndex = 0;
}
positionSetList.Add(new Utility.PositionSet
{
position = positionList[i],
Index = i,
PrevIndex = prevIndex,
NextIndex = nextIndex,
});
}
Utility.SeparateAreaSet(positionSetList, action);
}
public static void CreateAreaMesh(Utility.PositionSetList areaSet, Action <CreateRoadMeshScripts.MeshSet> action)
{
var verticesList = new List <Vector3>();
var trianglesList = new List <int>();
var uvList = new List <Vector2>();
while (areaSet.Count != 2)
{
var index = verticesList.Count;
// 最東を選ぶ
var tri = areaSet.GetSortedList()[0];
var next = areaSet.FindByIndex(tri.NextIndex);
var prev = areaSet.FindByIndex(tri.PrevIndex);
// 最東から内側のメッシュ生成する
verticesList.Add(tri.position);
verticesList.Add(next.position);
verticesList.Add(prev.position);
CreateRoadMeshScripts.AddTrianglesList(verticesList, trianglesList, index + 0, index + 1, index + 2, Vector3.up);
uvList.Add(new Vector2(0, 0));
uvList.Add(new Vector2(1, 0));
uvList.Add(new Vector2(1, 1));
// 選んだ頂点を減らす。
areaSet.RemoveSortedListFirst();
}
CreateRoadMeshScripts.CreateMeshSet(verticesList, trianglesList, uvList, action);
}