public void Draw(SpriteBatch spriteBatch, Camera camera, Rectangle screenBounds)
{
spriteBatch.Begin();
Point offset = new Point(-camera.Screen.X, -camera.Screen.Y);
foreach (ICell cell in CellMap)
{
Texture2D texture;
if (camera.Zoom == 0)
{
texture = cell.IsAlive ? GameTextures.CellAlive16 : GameTextures.CellDead16;
}
else if (camera.Zoom == 1)
{
texture = cell.IsAlive ? GameTextures.CellAlive8 : GameTextures.CellDead8;
}
else if (camera.Zoom == 2)
{
texture = cell.IsAlive ? GameTextures.CellAlive4 : GameTextures.CellDead4;
}
else if (camera.Zoom == 3)
{
texture = cell.IsAlive ? GameTextures.CellAlive2 : GameTextures.CellDead2;
}
else
{
texture = cell.IsAlive ? GameTextures.CellAlive1 : GameTextures.CellDead1;
}
Vector2 location = new Vector2(offset.X + (cell.Location.X * texture.Width), offset.Y + (cell.Location.Y * texture.Height));
spriteBatch.Draw(texture, location, null, Color.White);
}
spriteBatch.End();
}
public void Draw(SpriteBatch spriteBatch, Camera camera, Rectangle screenBounds)
{
//Set sampler to tile sprites instead of stretching
spriteBatch.Begin(SpriteSortMode.Immediate, BlendState.Opaque, SamplerState.LinearWrap, DepthStencilState.Default, RasterizerState.CullNone);
//Get Textures based on zoom level
Texture2D liveTexture;
Texture2D deadTexture;
if (camera.Zoom == 0)
{
deadTexture = GameTextures.CellDead16;
liveTexture = GameTextures.CellAlive16;
}
else if (camera.Zoom == 1)
{
deadTexture = GameTextures.CellDead8;
liveTexture = GameTextures.CellAlive8;
}
else if (camera.Zoom == 2)
{
deadTexture = GameTextures.CellDead4;
liveTexture = GameTextures.CellAlive4;
}
else if (camera.Zoom == 3)
{
deadTexture = GameTextures.CellDead2;
liveTexture = GameTextures.CellAlive2;
}
else
{
deadTexture = GameTextures.CellDead1;
liveTexture = GameTextures.CellAlive1;
}
//Draw offset based on camera position
Point offset = new Point(-camera.Screen.X, -camera.Screen.Y);
//Small offset for the background texture so the background is always aligned with the map cells
Vector2 backgroundNudge = new Vector2(offset.X % deadTexture.Width, offset.Y % deadTexture.Height);
backgroundNudge += new Vector2(-deadTexture.Width, -deadTexture.Height);
//Draw the background screen
Rectangle screen = new Rectangle(0, 0, screenBounds.Width + deadTexture.Width * 2, screenBounds.Height + deadTexture.Height * 2);
spriteBatch.Draw(deadTexture, backgroundNudge, screen, Color.White);
foreach (ICell cell in Cells.Values)
{
Texture2D texture = cell.IsAlive ? liveTexture : deadTexture;
Vector2 location = new Vector2(offset.X + (cell.Location.X * texture.Width), offset.Y + (cell.Location.Y * texture.Height));
spriteBatch.Draw(texture, location, null, Color.White);
}
spriteBatch.End();
}
public void Initialize()
{
Camera = new Camera(new Point(800, 600));
SetupMap();
}