public static void Draw(Block[,] grid, Vector2 positionTopLeft,ref RectangleF windowFrame,View view, float rotation = 0.0f,bool ForceRender = false)
{
short width = (short)grid.GetLength(0);
short height = (short)grid.GetLength(1);
//origin = zero
Vector2[] vertices = new Vector2[4]
{
new Vector2(0,0),
new Vector2(1,0),
new Vector2(1,1),
new Vector2(0,1),
};
GL.MatrixMode(MatrixMode.Texture);
GL.LoadIdentity();
if (rotation != 0)
{
var matrix = Matrix4.CreateTranslation(-0.5f, -0.5f, 0.0f) *
Matrix4.CreateFromAxisAngle(new Vector3(0, 0, 1), rotation) *
Matrix4.CreateTranslation(0.5f, 0.5f, 0.0f);
GL.LoadMatrix(ref matrix);
}
GL.MatrixMode(MatrixMode.Modelview);
byte h;
RectangleF checking;
for (short i = 0; i < width; i++)
{
for (short j = 0; j < height; j++)
{
if (!ForceRender)
{
if ((i % view.TextureDensity == 0 && j % view.TextureDensity == 0))
{
//checking = new RectangleF((grid[i, j].PreciseLocation.X + positionTopLeft.X), (grid[i, j].PreciseLocation.Y + positionTopLeft.Y), 1.5f, 1.5f);
checking = new RectangleF(
(grid[i, j].PreciseLocation.X + positionTopLeft.X), (grid[i, j].PreciseLocation.Y + positionTopLeft.Y),
1f * view.Zoom, 1f * view.Zoom);
if (!windowFrame.IntersectsWith(checking))
continue;
}
}
GL.BindTexture(TextureTarget.Texture2D, grid[i,j].Texture(view.TextureSize).ID);
GL.Begin(PrimitiveType.Quads);
for (h = 0; h < 4; h++)
{
GL.TexCoord2(vertices[h]);
GL.Vertex2((vertices[h] + positionTopLeft + grid[i,j].PreciseLocation)*view.TextureSize);
}
GL.End();
}
}
}
