public Mesh(Scene _scene)
{
this.scene = _scene;
this.graphicsDevice = _scene.GraphicsDevice;
this.mySilverlightEffect = _scene.ContentManager.Load<SilverlightEffect>("CustomEffect");
//init map for mesh
mapWidth = 128;
mapHeight = 128;
//cache effect parameters
worldViewProjectionParameter = mySilverlightEffect.Parameters["WorldViewProjection"];
worldParameter = mySilverlightEffect.Parameters["World"];
lightPositionParameter = mySilverlightEffect.Parameters["LightPosition"];
this.LightPosition = new Vector3(0, 10, 0);
//init vertices/indices
vertices = new VertexPositionNormalTexture[mapWidth * mapHeight];
indices = new ushort[(mapWidth - 1) * (mapHeight - 1) * 6];
Canvas _canvas = new Canvas();
_canvas.Width = _canvas.Height = 128;
_canvas.Background = new SolidColorBrush(Colors.Blue);
WriteableBitmap _map = new WriteableBitmap(_canvas, null);
heightData = LoadHeightDataFromMap(_map);
texture = new Texture2D(graphicsDevice, _map.PixelWidth, _map.PixelHeight);
texture.SetData(_map.Pixels);
//
SetupVertices();
SetupIndices();
CalculateNormals();
}
public Cube(Scene scene, float size)
{
this.scene = scene;
this.graphicsDevice = scene.GraphicsDevice;
this.mySilverlightEffect = scene.ContentManager.Load<SilverlightEffect>("CustomEffect");
// Cache effect parameters
worldViewProjectionParameter = mySilverlightEffect.Parameters["WorldViewProjection"];
worldParameter = mySilverlightEffect.Parameters["World"];
lightPositionParameter = mySilverlightEffect.Parameters["LightPosition"];
// Init static parameters
this.LightPosition = new Vector3(1, 1, -10);
// Temporary lists
List<VertexPositionNormalTexture> vertices = new List<VertexPositionNormalTexture>();
List<ushort> indices = new List<ushort>();
vertices.Add(new VertexPositionNormalTexture(new Vector3(0, 0, 0), new Vector3(1, 0, 0), new Vector2(0, 0)));
vertices.Add(new VertexPositionNormalTexture(new Vector3(5, 5, 0), new Vector3(1, 0, 0), new Vector2(1.0f, 1.0f)));
vertices.Add(new VertexPositionNormalTexture(new Vector3(5, 0, 0), new Vector3(1, 0, 0), new Vector2(1, 0)));
indices.Add((ushort)0);
indices.Add((ushort)1);
indices.Add((ushort)2);
// Create a vertex buffer, and copy our vertex data into it.
vertexBuffer = new VertexBuffer(graphicsDevice, VertexPositionColorNormal.VertexDeclaration, vertices.Count, BufferUsage.None);
vertexBuffer.SetData(0, vertices.ToArray(), 0, vertices.Count, VertexPositionColorNormal.Stride);
// Create an index buffer, and copy our index data into it.
indexBuffer = new IndexBuffer(graphicsDevice, IndexElementSize.SixteenBits, indices.Count, BufferUsage.None);
indexBuffer.SetData(0, indices.ToArray(), 0, indices.Count);
// Statistics
VerticesCount = vertices.Count;
FaceCount = indices.Count / 3;
}
public Cube(Engine engine, float size)
{
this.graphicsDevice = engine.GraphicsDevice;
this.mySilverlightEffect = engine.Content.Load<SilverlightEffect>("CustomEffect");
// Cache effect parameters
worldViewProjectionParameter = mySilverlightEffect.Parameters["WorldViewProjection"];
//lightDirectionParameter = mySilverlightEffect.Parameters["LightDirection"];
// Init static parameters
//this.LightDirection = new Vector3(0, 0, 1);
// Temporary lists
List<VertexPositionNormalTexture> vertices = new List<VertexPositionNormalTexture>();
List<ushort> indices = new List<ushort>();
// A cube has six faces, each one pointing in a different direction.
Vector3[] normals =
{
new Vector3(0, 0, 1),
new Vector3(0, 0, -1),
new Vector3(1, 0, 0),
new Vector3(-1, 0, 0),
new Vector3(0, 1, 0),
new Vector3(0, -1, 0)
};
// Create each face in turn.
foreach (Vector3 normal in normals)
{
// Get two vectors perpendicular to the face normal and to each other.
Vector3 side1 = new Vector3(normal.Y, normal.Z, normal.X);
Vector3 side2 = Vector3.Cross(normal, side1);
// Six indices (two triangles) per face.
indices.Add((ushort)vertices.Count);
indices.Add((ushort)(vertices.Count + 1));
indices.Add((ushort)(vertices.Count + 2));
indices.Add((ushort)vertices.Count);
indices.Add((ushort)(vertices.Count + 2));
indices.Add((ushort)(vertices.Count + 3));
vertices.Add(new VertexPositionNormalTexture((normal - side1 - side2) * size / 2, normal, new Vector2(0, 0)));
vertices.Add(new VertexPositionNormalTexture((normal - side1 + side2) * size / 2, normal, new Vector2(1, 0)));
vertices.Add(new VertexPositionNormalTexture((normal + side1 + side2) * size / 2, normal, new Vector2(1, 1)));
vertices.Add(new VertexPositionNormalTexture((normal + side1 - side2) * size / 2, normal, new Vector2(0, 1)));
}
// Create a vertex buffer, and copy our vertex data into it.
vertexBuffer = new VertexBuffer(graphicsDevice, VertexPositionNormalTexture.VertexDeclaration, vertices.Count, BufferUsage.None);
vertexBuffer.SetData(0, vertices.ToArray(), 0, vertices.Count, VertexPositionNormalTexture.Stride);
// Create an index buffer, and copy our index data into it.
indexBuffer = new IndexBuffer(graphicsDevice, IndexElementSize.SixteenBits, indices.Count, BufferUsage.None);
indexBuffer.SetData(0, indices.ToArray(), 0, indices.Count);
// Statistics
VerticesCount = vertices.Count;
FaceCount = indices.Count / 3;
}
protected ShaderBase(Engine engine, string assetName)
{
_effect = engine.Content.Load<SilverlightEffect>(assetName);
}