private void BuildTerrainBuffers(IContext context)
{
const int pitch = 4;
int width = _heightMap.Width / pitch;
int height = _heightMap.Height / pitch;
int vertexCount = (width + 1) * (height + 1);
VertexDefinition.PositionTexture[] terrainVertices = new VertexDefinition.PositionTexture[vertexCount];
for (int i = 0; i < (width + 1); i++)
for (int j = 0; j < (height + 1); j++)
terrainVertices[j * (width + 1) + i] = new VertexDefinition.PositionTexture
{
position = new Vector3((-(width / 2) + i) * pitch, 0.0f, -(-(height / 2) + j) * pitch),
texture = new Vector2(((float)i / width), ((float)j / height))
};
_terrainIndexCount = width * height * 6;
uint[] terrainIndices = new uint[_terrainIndexCount];
for (int i = 0; i < (height); i++)
for (int j = 0; j < (width); j++)
{
terrainIndices[(i * width + j) * 6] = (uint)(i * (width + 1) + j + 1); //Left top
terrainIndices[(i * width + j) * 6 + 1] = (uint)((i + 1) * (width + 1) + j); //Right bottom
terrainIndices[(i * width + j) * 6 + 2] = (uint)(i * (width + 1) + j); //Left bottom
terrainIndices[(i * width + j) * 6 + 3] = (uint)(i * (width + 1) + j + 1); //Left top
terrainIndices[(i * width + j) * 6 + 4] = (uint)((i + 1) * (width + 1) + j + 1); //Right top
terrainIndices[(i * width + j) * 6 + 5] = (uint)((i + 1) * (width + 1) + j); //Right bottom
}
_terrainVertexBuffer = Buffer.Create(context.DirectX.Device, BindFlags.VertexBuffer, terrainVertices);
_terrainIndexBuffer = Buffer.Create(context.DirectX.Device, BindFlags.IndexBuffer, terrainIndices);
}
public PieChart(IContext context, string id, UniRectangle coordinates, int sliceNumber, Func<List<Tuple<CustomColor, double, string, string>>> valuesGenerator)
: base(context, id, coordinates)
{
_sliceNumber = sliceNumber;
_valuesGenerator = valuesGenerator;
_shader = Context.Shaders.Get<Texture1DShader>();
var vertices = new VertexDefinition.PositionTexture[_sliceNumber * 3];
for (int i = 0; i < sliceNumber; i++)
{
Vector2 texture = new Vector2((0.5f + i)/_sliceNumber, 0.5f);
vertices[i * 3] = new VertexDefinition.PositionTexture
{
texture = texture,
position = new Vector3(0, 0, 0)
};
vertices[i * 3 + 1] = new VertexDefinition.PositionTexture
{
texture = texture,
position = new Vector3((float)Math.Sin(i*(Math.PI * 2) / _sliceNumber), -(float)Math.Cos(i*(Math.PI * 2) / _sliceNumber), 0)
};
vertices[i * 3 + 2] = new VertexDefinition.PositionTexture
{
texture = texture,
position = new Vector3((float)Math.Sin((i+1) * (Math.PI * 2) / _sliceNumber), -(float)Math.Cos((i+1) * (Math.PI * 2) / _sliceNumber), 0)
};
}
_vertexBuffer = Buffer.Create(context.DirectX.Device, vertices,
new BufferDescription
{
Usage = ResourceUsage.Dynamic,
SizeInBytes = Utilities.SizeOf<VertexDefinition.PositionTexture>() * _sliceNumber * 3,
BindFlags = BindFlags.VertexBuffer,
CpuAccessFlags = CpuAccessFlags.Write,
OptionFlags = ResourceOptionFlags.None,
StructureByteStride = 0
});
_data = new List<PieChartInfo>
{
new PieChartInfo(_sliceNumber, new CustomColor(0.2f, 0.2f, 0.2f), "NA", "NA")
};
_colorTexture = GenerateTexture(Context, _sliceNumber);
}
public override void Update()
{
float[] xVertexCoordinates = { 0f, _fixedBorderRadius, Size.X - _fixedBorderRadius, Size.X };
float[] yVertexCoordinates = { 0f, _fixedBorderRadius, Size.Y - _fixedBorderRadius, Size.Y };
float[] xTextureCoordinates = { 0f, (float)_fixedBorderRadius / _texture.Width, 1f - (float)_fixedBorderRadius / _texture.Width, 1f };
float[] yTextureCoordinates = { 0f, (float)_fixedBorderRadius / _texture.Height, 1f - (float)_fixedBorderRadius / _texture.Height, 1f };
for (int x = 0; x < 4; x++)
for (int y = 0; y < 4; y++)
_vertices[x*4+y] = new VertexDefinition.PositionTexture
{
position = new Vector3(xVertexCoordinates[x], yVertexCoordinates[y], 0),
texture = new Vector2(xTextureCoordinates[x], yTextureCoordinates[y])
};
DataStream mappedResource;
DeviceContext.MapSubresource(VertexBuffer, MapMode.WriteDiscard, SharpDX.Direct3D11.MapFlags.None,
out mappedResource);
mappedResource.WriteRange(_vertices);
DeviceContext.UnmapSubresource(VertexBuffer, 0);
}
private void BuildWaterBuffers(IContext context)
{
const int waveRepeat = 5;
const int vertexCount = 4;
VertexDefinition.PositionTexture[] waterVertices = new VertexDefinition.PositionTexture[vertexCount];
for (int i = 0; i < 2; i++)
for (int j = 0; j < 2; j++)
waterVertices[j * 2 + i] = new VertexDefinition.PositionTexture
{
position = new Vector3((-(1 / 2) + i) * _heightMap.Width, 0.0f, -(-(1 / 2) + j) * _heightMap.Height),
texture = new Vector2(i, j)
};
_waterIndexCount = 6;
uint[] waterIndices = { 0, 3, 2, 0, 1, 3 };
_waterVertexBuffer = Buffer.Create(context.DirectX.Device, BindFlags.VertexBuffer, waterVertices);
_waterIndexBuffer = Buffer.Create(context.DirectX.Device, BindFlags.IndexBuffer, waterIndices);
}
public override void Update()
{
const float left = 0;
float right = Size.X;
const float top = 0;
float bottom = Size.Y;
_vertices[0] = new VertexDefinition.PositionTexture { position = new Vector3(left, top, 0.0f), texture = new Vector2(0,0)};
_vertices[1] = new VertexDefinition.PositionTexture { position = new Vector3(right, bottom, 0.0f), texture = new Vector2(_textureRepeat.X, _textureRepeat.Y) };
_vertices[2] = new VertexDefinition.PositionTexture { position = new Vector3(left, bottom, 0.0f), texture = new Vector2(0, _textureRepeat.Y) };
_vertices[3] = new VertexDefinition.PositionTexture { position = new Vector3(right, top, 0.0f), texture = new Vector2(_textureRepeat.X, 0) };
DataStream mappedResource;
_deviceContext.MapSubresource(VertexBuffer, MapMode.WriteDiscard, SharpDX.Direct3D11.MapFlags.None,
out mappedResource);
mappedResource.WriteRange(_vertices);
_deviceContext.UnmapSubresource(VertexBuffer, 0);
}
