コード例 #1
0
        /// <summary>
        /// Draw this SceneGraphObject.
        /// </summary>
        /// <param name="ctx">
        /// The <see cref="GraphicsContext"/> used for drawing.
        /// </param>
        public void Draw(GraphicsContext ctx)
        {
            CheckCurrentContext(ctx);

            using (SceneGraphContext ctxScene = new SceneGraphContext(this, _CurrentView)) {
                // Override model-view-projection matrices if a camera is defined
                if (_CurrentView != null)
                {
                    LocalProjection = _CurrentView.ProjectionMatrix;
                    LocalModel      = _CurrentView.LocalModel.GetInverseMatrix();
                }
                // Update
                base.Update(ctx, ctxScene);
                // Base implementation
                base.Draw(ctx, ctxScene);
            }
        }
コード例 #2
0
        /// <summary>
        /// Update this SceneGraphObject hierarchy.
        /// </summary>
        /// <param name="ctx">
        /// The <see cref="GraphicsContext"/> used for drawing.
        /// </param>
        /// <param name="ctxScene">
        /// The <see cref="SceneGraphContext"/> used for drawing.
        /// </param>
        /// <exception cref="ArgumentNullException">
        /// Exception thrown if <paramref name="ctx"/> is null.
        /// </exception>
        /// <exception cref="ArgumentNullException">
        /// Exception thrown if <paramref name="ctx"/> is not current on the calling thread.
        /// </exception>
        /// <exception cref="ArgumentNullException">
        /// Exception thrown if <paramref name="ctxScene"/>.
        /// </exception>
        protected internal virtual void Update(GraphicsContext ctx, SceneGraphContext ctxScene)
        {
            CheckCurrentContext(ctx);

            if (ctxScene == null)
            {
                throw new ArgumentNullException("ctxScene");
            }

            // Update this object
            UpdateThis(ctx, ctxScene);
            // Update all children
            foreach (SceneGraphObject sceneGraphObject in _Children)
            {
                sceneGraphObject.Update(ctx, ctxScene);
            }
        }
コード例 #3
0
        /// <summary>
        /// Draw this SceneGraphObject hierarchy.
        /// </summary>
        /// <param name="ctx">
        /// The <see cref="GraphicsContext"/> used for drawing.
        /// </param>
        /// <param name="ctxScene">
        /// The <see cref="SceneGraphContext"/> used for drawing.
        /// </param>
        protected internal override void Draw(GraphicsContext ctx, SceneGraphContext ctxScene)
        {
            if (ctxScene == null)
            {
                throw new ArgumentNullException("ctxScene");
            }

            CheckCurrentContext(ctx);

            // Push and merge the graphics state
            ctxScene.GraphicsStateStack.Push(_ObjectState);

            try {
                // Draw all children
                foreach (SceneGraphObject sceneGraphObject in _Children)
                {
                    sceneGraphObject.Draw(ctx, ctxScene);
                }
            } finally {
                ctxScene.GraphicsStateStack.Pop();
            }
        }
コード例 #4
0
 /// <summary>
 /// Draw this SceneGraphObject instance.
 /// </summary>
 /// <param name="ctx">
 /// The <see cref="GraphicsContext"/> used for drawing.
 /// </param>
 /// <param name="ctxScene">
 /// The <see cref="SceneGraphContext"/> used for drawing.
 /// </param>
 protected virtual void DrawThis(GraphicsContext ctx, SceneGraphContext ctxScene)
 {
 }
コード例 #5
0
 /// <summary>
 /// Update this SceneGraphObject instance.
 /// </summary>
 /// <param name="ctx">
 /// The <see cref="GraphicsContext"/> used for drawing.
 /// </param>
 /// <param name="ctxScene">
 /// The <see cref="SceneGraphContext"/> used for drawing.
 /// </param>
 protected virtual void UpdateThis(GraphicsContext ctx, SceneGraphContext ctxScene)
 {
 }