C# Vector3.Add方法代码示例

        private void pasteToolStripMenuItem_Click(object sender, EventArgs e)
        {
            List<Item> objs = Clipboard.GetData("SADXLVLObjectList") as List<Item>;

            if (objs == null)
            {
                MessageBox.Show("Paste operation failed - this is a known issue and is being worked on.");
                return; // todo: finish implementing proper copy/paste
            }

            Vector3 center = new Vector3();
            foreach (Item item in objs)
                center.Add(item.Position.ToVector3());
            center = new Vector3(center.X / objs.Count, center.Y / objs.Count, center.Z / objs.Count);
            foreach (Item item in objs)
            {
                item.Position = new Vertex(item.Position.X - center.X + cam.Position.X, item.Position.Y - center.Y + cam.Position.Y, item.Position.Z - center.Z + cam.Position.Z);
                item.Paste();
            }
            selectedItems.Add(new List<Item>(objs));
            DrawLevel();
        }

        /// <summary>
        /// Changes the relative velocity between the character and its support.
        /// </summary>
        /// <param name="supportData">Support data to use to jump.</param>
        /// <param name="velocityChange">Change to apply to the character and support relative velocity.</param>
        /// <param name="relativeVelocity">Relative velocity to update.</param>
        void ApplyJumpVelocity(ref SupportData supportData, Vector3 velocityChange, ref Vector3 relativeVelocity)
        {
			Vector3 tmp;
			Body.LinearVelocity.Add( ref velocityChange, out tmp );
            Body.LinearVelocity = tmp;
            var entityCollidable = supportData.SupportObject as EntityCollidable;
            if (entityCollidable != null)
            {
                if (entityCollidable.Entity.IsDynamic)
                {
					Vector3 change; velocityChange.Mult( jumpForceFactor, out change );
                    //Multiple characters cannot attempt to modify another entity's velocity at the same time.
                    entityCollidable.Entity.Locker.Enter();
                    try
                    {
						change.Mult( -Body.Mass, out tmp );
						entityCollidable.Entity.LinearMomentum.Add( ref tmp, out tmp );
						entityCollidable.Entity.LinearMomentum = tmp;
                    }
                    finally
                    {
                        entityCollidable.Entity.Locker.Exit();
                    }
                    velocityChange.Add( ref change, out velocityChange );
                }
            }

            //Update the relative velocity as well.  It's a ref parameter, so this update will be reflected in the calling scope.
            Vector3.Add(ref relativeVelocity, ref velocityChange, out relativeVelocity);

        }

 protected void CreateVertices(object sender, EventArgs e) {
     VertexBuffer buffer = (VertexBuffer)sender; 
     VERTEX_FORMAT[] vertices = (VERTEX_FORMAT[])buffer.Lock(0,0);  
     float val = 0.0f; 
     float minZ = m_globalClipping.ZMin; 
     float maxZ = m_globalClipping.ZMax; 
     float a = MAXHUEVALUE / (maxZ - minZ);
     float b = -minZ * a; 
     int i=0;
     ILColorProvider colHelp = new ILColorProvider(0.0f,0.5f,1.0f);
     for (int r = 0; r < m_rows; r++) {
         for (int c = 0; c < m_cols; c++) {
             val = m_sourceArray.GetValue(c,r);
             vertices[i].X = c; 
             vertices[i].Y = r; 
             vertices[i].Z = val;
             vertices[i++].Color = colHelp.H2RGB(MAXHUEVALUE - val * a - b);
         }
     }
     #region create normals 
     // 
     Vector3 normal; 
     i = 0; 
     for (int r = 0; r < m_rows; r++) {
         for (int c = 0; c < m_cols; c++,i++) {
             normal = new Vector3();  
             if (c > 0 && c < m_cols) 
                normal.Add(vertices[i-1].Position);  
             if (c < m_cols-1) 
                 normal.Add(vertices[i+1].Position); 
             if (r > 0 && r < m_rows) 
                 normal.Add(vertices[i-m_cols].Position); 
             if (r < m_rows - 1) 
                 normal.Add(vertices[i+m_cols].Position); 
             normal.Normalize(); 
             vertices[i].Normal = normal;
         }
     }
     #endregion
     buffer.Unlock();
     m_vertexReady = true; 
 }

		public  void drawContactPoint( Display render, ref Vector3 PointOnB, ref Vector3 normalOnB, double distance, int lifeTime, ref Vector3 color )
		{
			Vector3 tmpD;
			PointOnB.Add( ref normalOnB, out tmpD );
			drawLine( render, ref PointOnB, ref tmpD, ref color, ref color );
		}

        public void add() {
            var a = new Vector3(1, 3, 5);
            var b = new Vector3(5, 7, 9);

            Assert.Equal(new Vector3(6, 10, 14), a.Add(b));
        }