コード例 #1
0
        /// <summary>
        /// Generates a new model content from an height map
        /// </summary>
        /// <param name="contentFolder">Content folder</param>
        /// <param name="heightMap">Height map</param>
        /// <param name="textures">Texture list</param>
        /// <param name="cellSize">Cell size</param>
        /// <param name="cellHeight">Cell height</param>
        /// <returns>Returns a new model content</returns>
        public static ModelContent FromHeightmap(string contentFolder, string heightMap, IEnumerable <string> textures, float cellSize, float cellHeight)
        {
            ModelContent modelContent = new ModelContent();

            string texureName   = "texture";
            string materialName = "material";
            string geoName      = "geometry";

            ImageContent heightMapImage = new ImageContent()
            {
                Streams = ContentManager.FindContent(contentFolder, heightMap),
            };

            ImageContent textureImage = new ImageContent()
            {
                Streams = ContentManager.FindContent(contentFolder, textures),
            };

            MaterialContent material = MaterialContent.Default;

            material.DiffuseTexture = texureName;

            HeightMap hm = HeightMap.FromStream(heightMapImage.Stream, null);

            hm.BuildGeometry(cellSize, cellHeight, out var vertices, out var indices);

            SubMeshContent geo = new SubMeshContent(Topology.TriangleList, materialName, true, false);

            geo.SetVertices(vertices);
            geo.SetIndices(indices);

            modelContent.Images.Add(texureName, textureImage);
            modelContent.Materials.Add(materialName, material);
            modelContent.Geometry.Add(geoName, materialName, geo);

            return(modelContent);
        }