43 lines
1.3 KiB
C#
43 lines
1.3 KiB
C#
using Microsoft.Xna.Framework;
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using Microsoft.Xna.Framework.Graphics;
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using SpacePew.Models;
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namespace SpacePew.Extensions
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{
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public static class RenderExtensions
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{
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public static Vector2 AsVector2D(this Point p)
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{
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return new Vector2(p.X, p.Y);
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}
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public static void Draw(this SpriteBatch batch, TiledTexture texture, Rectangle destination, Color color)
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{
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Draw(batch, texture, destination, new Rectangle(0, 0, texture.Width, texture.Height), color);
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}
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public static void Draw(this SpriteBatch batch, TiledTexture texture, Rectangle dstRect, Rectangle srcRect, Color color)
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{
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//TODO: kolla om dom ens syns innan man renderar.. hur man nu ska kunna göra det..
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var wratio = dstRect.Width / (double)srcRect.Width;
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var hratio = dstRect.Height / (double)srcRect.Height;
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var pos = new Point(dstRect.X, dstRect.Y);
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dstRect = new Rectangle(0, 0, (int)(wratio * texture.TileWidth), (int)(hratio * texture.TileHeight));
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for (var j = 0; j < texture.XTiles; j++)
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{
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for (var i = 0; i < texture.YTiles; i++)
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{
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//if srcRect.Intersects tile
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var tile = texture[i * texture.XTiles + j];
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dstRect.X = pos.X + (int)(tile.Position.X * wratio);
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dstRect.Y = pos.Y + (int)(tile.Position.Y * hratio);
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batch.Draw(tile.Texture, dstRect, color);
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}
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}
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}
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}
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}
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