C# ISpriteBatch类代码示例

        public static void Draw(ISpriteBatch sb, Vector2 source, Vector2 dest, Color color)
        {
            var dist = Vector2.Distance(source, dest);
            var angle = GetAngle(source, dest);

            // Get the length of the segments
            var segLen = dist / 6;
            if (segLen < 5.0f)
                segLen = 5.0f;
            if (segLen > 25.0f)
                segLen = 25.0f;

            // Primary line
            var tailLen = dist - (segLen / 2);
            var pDest = source + (new Vector2((float)Math.Cos(angle), (float)Math.Sin(angle)) * tailLen);
            RenderLine.Draw(sb, source, pDest, color);

            // Arrow segment 1
            var ang1 = angle - MathHelper.PiOver4;
            var seg1 = dest - (new Vector2((float)Math.Cos(ang1), (float)Math.Sin(ang1)) * segLen);
            RenderLine.Draw(sb, dest, seg1, color);

            // Arrow segment 2
            var ang2 = angle + MathHelper.PiOver4;
            var seg2 = dest - (new Vector2((float)Math.Cos(ang2), (float)Math.Sin(ang2)) * segLen);
            RenderLine.Draw(sb, dest, seg2, color);

            // Arrow segment 3
            RenderLine.Draw(sb, seg1, seg2, color);
        }

        /// <summary>Render this AParentSceneNode by rendering all its children.</summary>
        protected override void DoRender(
            Moment now,
            GraphicsDevice graphicsDevice, 
            ISpriteBatch spriteBatch,
            TextureContent content,
            HolofunkView view,
            Transform parentTransform, 
            int depth)
        {
            Transform combinedTransform = parentTransform.CombineWith(LocalTransform);

            if (view == HolofunkView.Secondary && SecondaryViewOption == SecondaryViewOption.PositionMirrored) {
                combinedTransform = new Transform(
                    new Vector2(
                        spriteBatch.Viewport.X - combinedTransform.Translation.X,
                        combinedTransform.Translation.Y),
                    combinedTransform.Scale);
            }

            Spam.Graphics.WriteLine(new string(' ', depth * 4) + Label + ": parentTransform " + parentTransform + ", localTransform " + LocalTransform + ", combinedTransform " + combinedTransform);

            // m_children must only be enumerated / mutated under lock (this)
            lock (this) {
                m_childSnapshot.AddRange(m_children);
            }

            for (int i = 0; i < m_childSnapshot.Count; i++) {
                m_childSnapshot[i].Render(now, graphicsDevice, spriteBatch, content, view, combinedTransform, depth + 1);
            }

            // note that clearing preserves the capacity in the list, so no reallocation on next render
            m_childSnapshot.Clear();
        }

        internal InfoBar(ISpriteBatch spriteBatch, ISpriteFont spriteFont)
        {
            _spriteBatch = spriteBatch;
            _spriteFont = spriteFont;

            FontColor = Color.LightBlue;
        }

        /// <summary>
        /// Draws the <see cref="SkeletonBodyItem"/>.
        /// </summary>
        /// <param name="sb"><see cref="ISpriteBatch"/> to draw to.</param>
        /// <param name="position">Position to draw at.</param>
        /// <param name="scale">Amount to scale the Grh in percent (1.0f for no scaling).</param>
        /// <param name="color">The color.</param>
        /// <param name="effect">SpriteEffects to use when drawing.</param>
        internal void Draw(ISpriteBatch sb, Vector2 position, float scale, Color color, SpriteEffects effect)
        {
            // Validate
            if (Source == null)
                return;

            // Find the effect
            Vector2 m;
            switch (effect)
            {
                case SpriteEffects.FlipHorizontally:
                    m = new Vector2(-1, 1);
                    break;

                case SpriteEffects.FlipVertically:
                    m = new Vector2(1, -1);
                    break;

                default:
                    m = new Vector2(1, 1);
                    break;
            }

            // Calculate the angle
            float angle;
            if (Dest == null)
                angle = 0.0f;
            else
                angle = SkeletonNode.GetAngle(Source.Position * m, Dest.Position * m) - MathHelper.PiOver2;

            // Draw
            var v = Source.Position + ItemInfo.Offset;
            Grh.Draw(sb, (v * m) + position, color, effect, angle, ItemInfo.Origin, scale);
        }

 public void Draw(ISpriteBatch spriteBatch)
 {
     for (int i = 0; i < _particleSystems.Count; i++)
     {
         _particleSystems[i].Draw(spriteBatch);
     }
 }

        /// <summary>
        /// Draw the Button.
        /// </summary>
        /// <param name="spriteBatch"><see cref="ISpriteBatch"/> to draw to.</param>
        protected override void DrawControl(ISpriteBatch spriteBatch)
        {
            base.DrawControl(spriteBatch);

            // Draw the text
            DrawText(spriteBatch, _textPos);
        }

        /// <summary>
        /// Recursively draws the joints and bones of a skeleton.
        /// </summary>
        /// <param name="camera">Camera to use.</param>
        /// <param name="sb"><see cref="ISpriteBatch"/> to draw to.</param>
        /// <param name="selectedNode">SpriteBatch to draw to.</param>
        /// <param name="node">Current node being drawn.</param>
        /// <param name="colorIndex">Index of the color to use from the ColorList.</param>
        static void RecursiveDraw(ICamera2D camera, ISpriteBatch sb, SkeletonNode selectedNode, SkeletonNode node, int colorIndex)
        {
            // Find the color of the joint
            var color = _colorList[colorIndex];
            if (node == selectedNode)
                color = _nodeColorSelected;
            else if (node.Parent == null)
                color = _nodeColorRoot;

            // Draw the joint
            var scale = 1f / camera.Scale;
            var origin = SkeletonNode.HalfJointVector;
            _joint.Draw(sb, node.Position, color, SpriteEffects.None, 0f, origin, scale);

            // Iterate through the children
            foreach (var child in node.Nodes)
            {
                colorIndex++;
                if (colorIndex == _colorList.Length)
                    colorIndex = 0;

                // Draw the bone to the child
                RenderLine.Draw(sb, node.Position, child.Position, _colorList[colorIndex], (1f / camera.Scale) * 2f);

                // Draw the child
                RecursiveDraw(camera, sb, selectedNode, child, colorIndex);
            }
        }

        private void DrawName(ISpriteBatch spriteBatch)
        {
            Vector2 measure = Font.MeasureString(Score.Name);
            Vector2 origin = new Vector2(0, measure.Y * 0.5f);

            spriteBatch.DrawString(Font, Score.Name, NamePosition.WorldPosition, Color.White, WorldRotation, origin, WorldScale, SpriteEffects.None, 0);
        }

        public void Begin(ISpriteBatch batch)
        {
            device.SetRenderTarget(target);
            device.Clear(screenConstants.BackgroundColor);

            batch.Begin();
        }

 public Camera(ISpriteBatch spriteBatch)
 {
     if (spriteBatch == null)
         throw new ArgumentNullException("spriteBatch");
     _spriteBatch = spriteBatch;
     _boundingRectangle = new Rectangle(0, 0, 1024, 640);
 }

        public static void DrawSpawn(MapSpawnValues spawn, ISpriteBatch spriteBatch, IDrawableMap map, Font font)
        {
            var spawnArea = spawn.SpawnArea;

            // Only draw if it does not cover the whole map
            if (!spawnArea.X.HasValue && !spawnArea.Y.HasValue && !spawnArea.Width.HasValue && !spawnArea.Height.HasValue)
                return;

            // Draw spawn area
            Vector2 cameraOffset = map.Camera.Min;
            Rectangle rect = spawnArea.ToRectangle(map);
            rect.X -= (int)cameraOffset.X;
            rect.Y -= (int)cameraOffset.Y;
            RenderRectangle.Draw(spriteBatch, rect, new Color(0, 255, 0, 75), new Color(0, 0, 0, 125), 2);

            // Draw name
            CharacterTemplate charTemp = CharacterTemplateManager.Instance[spawn.CharacterTemplateID];
            if (charTemp != null)
            {
                string text = string.Format("{0}x {1} [{2}]", spawn.SpawnAmount, charTemp.TemplateTable.Name, spawn.CharacterTemplateID);

                Vector2 textPos = new Vector2(rect.X, rect.Y);
                textPos -= new Vector2(0, font.MeasureString(text).Y);
                textPos = textPos.Round();

                spriteBatch.DrawStringShaded(font, text, textPos, Color.White, Color.Black);
            }
        }

        /// <summary>
        /// Draws a <see cref="Skeleton"/>.
        /// </summary>
        /// <param name="skeleton">The <see cref="Skeleton"/> to draw.</param>
        /// <param name="camera">Camera to use.</param>
        /// <param name="sb">The <see cref="ISpriteBatch"/> to draw with.</param>
        /// <param name="selectedNode">The <see cref="SkeletonNode"/> to draw as selected.</param>
        public static void Draw(Skeleton skeleton, ICamera2D camera, ISpriteBatch sb, SkeletonNode selectedNode = null)
        {
            if (skeleton == null)
            {
                Debug.Fail("skeleton is null.");
                return;
            }
            if (skeleton.RootNode == null)
            {
                Debug.Fail("skeleton contains no root node.");
                return;
            }
            if (sb == null)
            {
                Debug.Fail("sb is null.");
                return;
            }
            if (sb.IsDisposed)
            {
                Debug.Fail("sb is disposed.");
                return;
            }
            if (camera == null)
            {
                Debug.Fail("camera is null.");
                return;
            }

            RecursiveDraw(camera, sb, selectedNode, skeleton.RootNode, 0);
        }

 public LevelView(ILevel level, ISpriteBatch spriteBatch, ITexture texture, ICamera camera)
 {
     _level = level;
     _spriteBatch = spriteBatch;
     _texture = texture;
     _camera = camera;
 }

 /// <summary>
 /// Draws the <see cref="StyledText"/>s in this <see cref="StyledTextsDrawer"/>.
 /// </summary>
 /// <param name="sb">The <see cref="ISpriteBatch"/>.</param>
 /// <param name="defaultColor">The default color.</param>
 /// <param name="offset">The offset to start drawing the text at.</param>
 public void Draw(ISpriteBatch sb, Color defaultColor, Vector2 offset)
 {
     foreach (var item in _textsWithPos)
     {
         item.StyledText.Draw(sb, Font, offset + item.Position, defaultColor);
     }
 }

        /// <summary>
        /// Makes the object draw itself.
        /// </summary>
        /// <param name="sb"><see cref="ISpriteBatch"/> the object can use to draw itself with.</param>
        public void Draw(ISpriteBatch sb)
        {
            if (!IsAlive)
                return;

            _particleEffect.Draw(sb);
        }