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using System;
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using System.Collections.Generic;
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using System.Linq;
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using Microsoft.Xna.Framework;
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using Microsoft.Xna.Framework.Graphics;
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namespace isometricparkfna
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{
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public class Quad
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{
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static public BasicEffect quadEffect;
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static VertexPositionTexture[] vert;
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static short[] ind;
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public static Texture2D PixelTexture;
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public static Texture2D SolidTexture;
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public static void Initialize(GraphicsDevice device, Texture2D texture)
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{
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Quad.quadEffect = new BasicEffect(device);
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Quad.quadEffect.TextureEnabled = true;
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Quad.vert = new VertexPositionTexture[4];
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Quad.ind = new short[6];
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ind[0] = 0;
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ind[1] = 2;
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ind[2] = 1;
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ind[3] = 1;
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ind[4] = 2;
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ind[5] = 3;
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Quad.PixelTexture = new Texture2D(device, 1, 1);
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Quad.SolidTexture = texture;
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}
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static public void FillSquare(GraphicsDevice device, int x, int y, Color color, float alpha)
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{
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var startX = ((x - y) * Tile.TileSpriteWidth / 2) + (Tile.TileSpriteWidth / 2);
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var startY = (x + y) * Tile.TileSpriteHeight / 2 + (Tile.TileSpriteHeight);
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startX = 0;
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startY = 10;
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vert[0].Position = new Vector3(startX, startY, 0);
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vert[1].Position = new Vector3(startX + 100, startY, 0);
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vert[2].Position = new Vector3(startX, startY + 100, 0);
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vert[3].Position = new Vector3(startX + 100, startY + 100, 0);
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vert[0].TextureCoordinate = new Vector2(0, 0);
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vert[1].TextureCoordinate = new Vector2(1, 0);
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vert[2].TextureCoordinate = new Vector2(0, 1);
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vert[3].TextureCoordinate = new Vector2(1, 1);
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var PixelTexture = new Texture2D(device, 1, 1);
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PixelTexture.SetData<Color>(new Color[] { color });
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quadEffect.Texture = PixelTexture;
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foreach (EffectPass effectPass in Quad.quadEffect.CurrentTechnique.Passes)
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{
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effectPass.Apply();
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device.DrawUserIndexedPrimitives<VertexPositionTexture>(
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PrimitiveType.TriangleList, Quad.vert, 0, Quad.vert.Length, Quad.ind, 0, Quad.ind.Length / 3);
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}
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}
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public static void FillSquare2(SpriteBatch batch, int x, int y, Color color, float alpha, float depth)
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{
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int screenx = (x - y) * Tile.TileSpriteWidth / 2;
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int screeny = (x + y) * Tile.TileSpriteHeight / 2;
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PixelTexture.SetData<Color>(new Color[] { color });
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color *= alpha;
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batch.Draw(
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Quad.SolidTexture,
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new Rectangle(
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screenx,
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screeny,
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Tile.TileWidth, Tile.TileHeight),
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Tile.GetExtendedSourceRectangle(0, 1),
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color,
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0.0f,
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Vector2.Zero,
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SpriteEffects.None,
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depth);
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}
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public static void FillSquares(SpriteBatch batch, Vector2[] squares, Color color, float alpha, float depth)
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{
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foreach(var square in squares)
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{
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FillSquare2(batch, (int)square.X, (int)square.Y, color, alpha, depth);
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}
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}
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}
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}
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