public GridRenderer(Grid <T> _grid, Func <T, Color4> _colorSelector, float _tileWidth, float _tileHeight)
{
grid = _grid;
tileWidth = _tileWidth;
tileHeight = _tileHeight;
var rectanglesVertices = new List <IEnumerable <ColoredVertex> >();
for (var i = 0; i < _grid.Width; i++)
{
for (var j = 0; j < _grid.Height; j++)
{
var rectangle = new Rectangle(i * tileWidth, j * tileHeight, tileWidth, tileHeight);
var vertices = rectangle.ToVertices();
var tile = _grid.Get(i, j);
var color = _colorSelector(tile);
var coloredVertices = vertices.Select(v => new ColoredVertex(new Vector3(v.X, v.Y, 0), color));
rectanglesVertices.Add(coloredVertices);
}
}
buffer = new ColoredVertexBuffer(PrimitiveType.Quads);
buffer.AddVertices(rectanglesVertices.SelectMany(x => x));
Initialize(buffer);
}
public ColoredVertexBuffer GetOutlineBuffer(Color4 _color)
{
var buffer = new ColoredVertexBuffer(PrimitiveType.LineLoop);
ForEach(v => buffer.AddVertex(new ColoredVertex(v, _color)));
return(buffer);
}
public override ColoredVertexBuffer GetFillBuffer(Color4 _color)
{
var buffer = new ColoredVertexBuffer(PrimitiveType.Triangles);
ToTriangles().ForEach(v => buffer.AddVertex(new ColoredVertex(v, _color)));
return(buffer);
}
public Cell(int _i, int _j, CellGrid _grid)
{
i = _i;
j = _j;
grid = _grid;
value = 0;
rectangleBuffer = ConvexPolygon.Square(_grid.CellSize).GetFillBuffer();//new ColoredRectangleBuffer(X, Y, _grid.CellSize, _grid.CellSize, -1.5f);
}
public override ColoredVertexBuffer GetFillBuffer(Color4 _color)
{
//PrimitiveType.Polygon appears to only work for convex polygons
var buffer = new ColoredVertexBuffer(PrimitiveType.Polygon);
buffer.AddVertices(this.Select(x => new ColoredVertex(x, _color)));
return(buffer);
}
public static void Line(float x1, float y1, float x2, float y2, Color4?_color = null)
{
//Create
var color = _color ?? Color4.White;
var buffer = new ColoredVertexBuffer(PrimitiveType.Lines);
buffer.AddVertex(new ColoredVertex(new Vector3(x1, y1, 0), color));
buffer.AddVertex(new ColoredVertex(new Vector3(x2, y2, 0), color));
var array = ColoredVertexArray.FromBuffer(buffer);
//Use
array.Render();
//Destroy
buffer.Destroy();
array.Destroy();
}