コード例 #1
0
ファイル: Background.cs プロジェクト: kaifudeng/ck1
        Node CreateTile(int index)
        {
            var  cache     = Application.ResourceCache;
            Node tile      = Node.CreateChild();
            var  planeNode = tile.CreateChild();

            planeNode.Scale = new Vector3(BackgroundScale, 0.0001f, BackgroundScale);
            var planeObject = planeNode.CreateComponent <StaticModel>();

            planeObject.Model = cache.GetModel(Assets.Models.Plane);
            planeObject.SetMaterial(cache.GetMaterial(Assets.Materials.Grass));

            // area for trees:
            var sizeZ = BackgroundScale / 2.1f;
            var sizeX = BackgroundScale / 3.8f;

            Node treeNode = tile.CreateChild();

            treeNode.Rotate(new Quaternion(0, RandomHelper.NextRandom(0, 5) * 90, 0), TransformSpace.Local);
            treeNode.Scale = new Vector3(0.3f, 0.4f, 0.3f);
            var treeGroup = treeNode.CreateComponent <StaticModel>();

            treeGroup.Model = cache.GetModel(Assets.Models.Tree);
            treeGroup.SetMaterial(cache.GetMaterial(Assets.Materials.Pyramid));

            for (float i = -sizeX; i < sizeX; i += 3.2f)
            {
                for (float j = -sizeZ; j < sizeZ; j += 3.2f)
                {
                    var clonedTreeNode = treeNode.Clone(CreateMode.Local);
                    clonedTreeNode.Position = new Vector3(i + RandomHelper.NextRandom(-0.3f, 0.3f), 0, j);
                }
            }

            treeNode.Remove();

            tile.Rotate(new Quaternion(270 + BackgroundRotationX, 0, 0), TransformSpace.Local);
            tile.RotateAround(new Vector3(0, 0, 0), new Quaternion(0, BackgroundRotationY, 0), TransformSpace.Local);
            var tilePosX = BackgroundScale * (float)Math.Sin(MathHelper.DegreesToRadians(90 - BackgroundRotationX));
            var tilePosY = BackgroundScale * (float)Math.Sin(MathHelper.DegreesToRadians(BackgroundRotationX));

            tile.Position = new Vector3(0, (tilePosX + 0.01f) * index, tilePosY * index + FlightHeight);
            return(tile);
        }