public static void DrawChar(Vector3 pos, float char_size, char ch)
{
var rect = new Rectangle(pos, char_size / 2, char_size / 2);
var glyph_uv = GLRenderer.CharToFontUV(ch);
GLRenderer.DrawTexture(GLRenderer.font_texture, rect, glyph_uv, glyph_uv + GlyphUVOffset);
}
public void Render(Tileset tileset)
{
int tile_idx = 0;
var uv_offset = new Vector2(1.0f / tileset.width, 1.0f / tileset.height);
float tile_y = origin.Y + (height * tile_size / 2);
for (int y = height - 1; y >= 0; y--)
{
float tile_x = origin.X - (width * tile_size / 2);;
for (int x = 0; x < width; x++)
{
var uv_start = tileset.GetTileUV(tiles[tile_idx]);
var left_bottom = new Vector3(tile_x, tile_y, 0);
var top_right = new Vector3(tile_x + tile_size, tile_y - tile_size, 0);
GLRenderer.DrawTexture(tileset.texture, left_bottom, top_right, uv_start, uv_start + uv_offset);
tile_x += tile_size;
tile_idx++;
}
tile_y -= tile_size;
}
}