三国志14在寻路时可以显示出所行走路径，思考了下，可以用以下方式做到:
实现方式:
// uv=x,y, rotation = z
public static readonly kPathArrow[,] combineType =
{
// 右上，右上 右， 右下， 左下， 左， 左上
{new kPathArrow(0, 60), new kPathArrow(5, 180), new kPathArrow(2, 180), new kPathArrow(6, 120), new kPathArrow(7, 0), new kPathArrow(3, 0)},
// 右
{new kPathArrow(5, 180), new kPathArrow(1, 180), new kPathArrow(4, 180), new kPathArrow(7, 180), new kPathArrow(6, 0), new kPathArrow(8, 180)},
// 右下
{new kPathArrow(2, 180), new kPathArrow(4, 180), new kPathArrow(0, 180), new kPathArrow(3, 180), new kPathArrow(8, 0), new kPathArrow(6, 60)},
// 左下
{new kPathArrow(6, 120), new kPathArrow(7, 180), new kPathArrow(3, 180), new kPathArrow(0, -120), new kPathArrow(5, 0), new kPathArrow(2, 0)},
// 左
{new kPathArrow(7, 0), new kPathArrow(6, 0), new kPathArrow(8, 0), new kPathArrow(5, 0), new kPathArrow(1, 0), new kPathArrow(4, 0)},
// 左上
{new kPathArrow(3, 0), new kPathArrow(8, 180), new kPathArrow(6, 60), new kPathArrow(2, 0), new kPathArrow(4, 0), new kPathArrow(0, 0)},
};
private Vector3 RotVertex(Vector3 point, float rot)
{
Vector3 pos = point;
float cs = Mathf.Cos(rot);
float sn = Mathf.Sin(rot);
pos.x = point.x * cs + point.z * sn;
pos.z = -point.x * sn + point.z * cs;
return pos;
}
//----------------------------------------------------------------------------------------------
public void AddPathTile(int x, int z, int idx)
{
int enterDir = idx / (int)kHexGrid.HexDirection.MAX;
int outDir = idx % (int)kHexGrid.HexDirection.MAX;
kPathArrow pathArrow = combineType[enterDir, outDir];
int rowUV = pathArrow.idx / 3;
int colUV = pathArrow.idx % 3;
float rot = pathArrow.angle * Mathf.PI/180.0f;
Vector3 center = kHexGrid.ToWorldPos(x, z);
Vector2 centerUV = new Vector2(0.5f, 0.5f);
Vector2 uvStart = new Vector2(colUV * 1 / 3.0f, rowUV * 1 / 3.0f);
for (kHexGrid.HexDirection dir = kHexGrid.HexDirection.NE; dir <= kHexGrid.HexDirection.NW; dir++)
{
Vector3 v1 = center + new Vector3(0,0.01f,0);
Vector3 v2 = kHexGrid.cornerPos[(int)dir] + new Vector3(0, 0.01f, 0);
Vector3 v3 = kHexGrid.cornerPos[(int)dir + 1] + new Vector3(0, 0.01f, 0);
if (rot > 0.0001f || rot < -0.0001f)
{
v2 = RotVertex(v2, rot);
v3 = RotVertex(v3, rot);
}
AddTriangle(v1, center + v2, center + v3,
uvStart + centerUV * 1/3.0f, uvStart + kHexGrid.cornerUV[(int)dir] * 1 / 3.0f, uvStart + kHexGrid.cornerUV[(int)dir + 1] * 1 / 3.0f,
Color.white);
}
}
丑图效果:
所用贴图
posted on 2020-03-26 20:33
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