Views/WaveGrid.cs

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Media;
using System.Windows.Media.Media3D;

namespace MahAppsMetro.Demo.Views
{
    class WaveGrid
    {
        // Constants
        const int MinDimension = 5;
        const double Damping = 0.96;
        const double SmoothingFactor = 2.0;     // Gives more weight to smoothing than to velocity

        // Private member data
        private Point3DCollection _ptBuffer1;
        private Point3DCollection _ptBuffer2;
        private Int32Collection _triangleIndices;

        private int _dimension;

        // Pointers to which buffers contain:
        //    - Current: Most recent data
        //    - Old: Earlier data
        // These two pointers will swap, pointing to ptBuffer1/ptBuffer2 as we cycle the buffers
        private Point3DCollection _currBuffer;
        private Point3DCollection _oldBuffer;

        /// <summary>
        /// Construct new grid of a given dimension
        /// </summary>
        ///<param name = "Dimension" ></ param >
        public WaveGrid(int Dimension)
        {
            if (Dimension < MinDimension)
                throw new ApplicationException(string.Format("Dimension must be at least {0}", MinDimension.ToString()));

            _ptBuffer1 = new Point3DCollection(Dimension * Dimension);
            _ptBuffer2 = new Point3DCollection(Dimension * Dimension);
            _triangleIndices = new Int32Collection((Dimension - 1) * (Dimension - 1) * 2);

            _dimension = Dimension;

            InitializePointsAndTriangles();

            _currBuffer = _ptBuffer2;
            _oldBuffer = _ptBuffer1;
        }

        /// <summary>
        /// Access to underlying grid data
        /// </summary>
        public Point3DCollection Points
        {
            get { return _currBuffer; }
        }