public Texture2D GenerateHeightMap(SliceContract sliceContract)
{
var heightMap = new Texture2D(sliceContract.Width, sliceContract.Height);
for (var i = 0; i < heightMap.width; i++)
{
for (var j = 0; j < heightMap.height; j++)
{
heightMap.SetPixel(i, j, Color.white);
}
}
var rows = sliceContract.Vertexes.GetLength(0) - 1;
var columns = sliceContract.Vertexes.GetLength(1) - 1;
var lines = null as Point[];
for (var i = 0; i < rows - 1; i++)
{
for (var j = 0; j < columns - 1; j++)
{
lines = sliceContract.Lines[i + 1, j, i + 1, j + 1];
DrawLine(heightMap, sliceContract.Vertexes[i + 1, j], lines[0]);
DrawLine(heightMap, lines);
DrawLine(heightMap, lines[lines.Length - 1], sliceContract.Vertexes[i + 1, j + 1]);
lines = sliceContract.Lines[i, j + 1, i + 1, j + 1];
DrawLine(heightMap, sliceContract.Vertexes[i, j + 1], lines[0]);
DrawLine(heightMap, lines);
DrawLine(heightMap, lines[lines.Length - 1], sliceContract.Vertexes[i + 1, j + 1]);
}
}
for (var i = 0; i < rows - 1; i++)
{
lines = sliceContract.Lines[i + 1, columns - 1, i + 1, columns];
DrawLine(heightMap, sliceContract.Vertexes[i + 1, columns - 1], lines[0]);
DrawLine(heightMap, lines);
DrawLine(heightMap, lines[lines.Length - 1], sliceContract.Vertexes[i + 1, columns]);
}
for (var j = 0; j < columns - 1; j++)
{
lines = sliceContract.Lines[rows - 1, j + 1, rows, j + 1];
DrawLine(heightMap, sliceContract.Vertexes[rows - 1, j + 1], lines[0]);
DrawLine(heightMap, lines);
DrawLine(heightMap, lines[lines.Length - 1], sliceContract.Vertexes[rows, j + 1]);
}
heightMap.Apply();
return heightMap;
}
public PieceContract[,] GeneratePiece(SliceContract sliceContract)
{
var rows = sliceContract.Vertexes.GetLength(0) - 1;
var columns = sliceContract.Vertexes.GetLength(1) - 1;
var sliceStart = sliceContract.Vertexes[0, 0];
var sliceValidRange = sliceContract.Vertexes[rows, columns] - sliceStart;
var conversionRate = GlobalConfiguration.PictureHeightInMeter / sliceValidRange.Y;
var range = new Vector2(sliceContract.Width, sliceContract.Height) * conversionRate;
var pieceRange = new Vector2(1f * sliceValidRange.X / columns, 1f * sliceValidRange.Y / rows) * conversionRate;
var offset = new Vector2(sliceStart.X, sliceStart.Y) * conversionRate;
var result = new PieceContract[rows, columns];
for (var i = 0; i < rows; i++)
{
for (var j = 0; j < columns; j++)
{
var vertexes = GetVertexes(sliceContract, i, j, conversionRate);
var center = new Vector2(offset.x + (j + 0.5f) * pieceRange.x, offset.y + (i + 0.5f) * pieceRange.y);
var topVertexes = Array.ConvertAll<Vector2, Vector3>(vertexes, refer => new Vector3(refer.x - center.x, refer.y - center.y, -GlobalConfiguration.PieceThicknessInMeter / 2));
var bottomVertexes = Array.ConvertAll<Vector3, Vector3>(topVertexes, refer => new Vector3(refer.x, refer.y, refer.z + GlobalConfiguration.PieceThicknessInMeter));
var backseatSurfaces = GetSurfaces(topVertexes, bottomVertexes);
var mappingMesh = new Mesh();
mappingMesh.vertices = topVertexes;
mappingMesh.triangles = GetTriangles(topVertexes);
mappingMesh.uv = GetUVs(vertexes, range);
mappingMesh.RecalculateNormals();
var backseatMesh = new Mesh();
backseatMesh.vertices = GetVertices(backseatSurfaces);
backseatMesh.triangles = GetTriangles(backseatSurfaces);
backseatMesh.RecalculateNormals();
result[i, j] = new PieceContract { MappingMesh = mappingMesh, BackseatMesh = backseatMesh, Position = center - range / 2 };
}
}
return result;
}
private Vector2[] GetVertexes(SliceContract sliceContract, int x, int y, float conversionRate)
{
var vertexes = new List<Vector2>();
vertexes.Add(sliceContract.Vertexes[x, y].ToVector2(conversionRate));
var points = sliceContract.Lines[x, y, x + 1, y];
if (points != null) { for (var i = 0; i < points.Length; i++) { vertexes.Add(points[i].ToVector2(conversionRate)); } }
vertexes.Add(sliceContract.Vertexes[x + 1, y].ToVector2(conversionRate));
points = sliceContract.Lines[x + 1, y, x + 1, y + 1];
if (points != null) { for (var i = 0; i < points.Length; i++) { vertexes.Add(points[i].ToVector2(conversionRate)); } }
vertexes.Add(sliceContract.Vertexes[x + 1, y + 1].ToVector2(conversionRate));
points = Point.Reverse(sliceContract.Lines[x, y + 1, x + 1, y + 1]);
if (points != null) { for (var i = 0; i < points.Length; i++) { vertexes.Add(points[i].ToVector2(conversionRate)); } }
vertexes.Add(sliceContract.Vertexes[x, y + 1].ToVector2(conversionRate));
points = Point.Reverse(sliceContract.Lines[x, y, x, y + 1]);
if (points != null) { for (var i = 0; i < points.Length; i++) { vertexes.Add(points[i].ToVector2(conversionRate)); } }
return vertexes.ToArray();
}
public Texture2D GenerateNormalMap(SliceContract sliceContract)
{
var heightMap = _graphicsService.GenerateHeightMap(sliceContract);
return _graphicsService.GenerateNormalMap(heightMap);
}
public PieceContract[,] GeneratePieceContracts(SliceContract sliceContract)
{
return _pieceService.GeneratePiece(sliceContract);
}
