private void CompositionTarget_Rendering(object sender, EventArgs e)
{
if (counter++ % 2 == 0)
{
return;
}
//Debug.WriteLine(watch.ElapsedMilliseconds);
if (sizeChanged)
{
pp.BackBufferWidth = (int)ActualWidth;
pp.BackBufferHeight = (int)ActualHeight;
//Device.Reset(pp);
sizeChanged = false;
}
Result result;
if (d3dimage.IsFrontBufferAvailable)
{
result = Device.TestCooperativeLevel();
if (result.IsFailure)
{
throw new Direct3D9Exception();
}
d3dimage.Lock();
Device.SetRenderState(RenderState.CullMode, Cull.None);
Device.SetRenderState(RenderState.ZEnable, true);
Device.Clear(ClearFlags.Target | ClearFlags.ZBuffer, new Color4(1, 1, 1, 1), 1.0f, 0);
Device.BeginScene();
var points = animatedDataSource.GetPoints().ToArray();
var pointList = new VertexPositionColor[points.Length];
//phase += 0.01;
//if (phase > 2 * Math.PI)
// phase -= 2 * Math.PI;
//for (int i = 0; i < animatedX.Length; i++)
//{
// animatedX[i] = 2 * Math.PI * i / animatedX.Length;
// if (i % 2 == 0)
// animatedY[i] = Math.Sin(animatedX[i] + phase);
// else
// animatedY[i] = -Math.Sin(animatedX[i] + phase);
//}
for (int i = 0; i < points.Length; i++)
{
pointList[i] = new VertexPositionColor
{
Position = new Vector4(100 + 500 * (float)points[i].X, 500 + 500 * (float)points[i].Y, 0.5f, 1),
Color = Color.Orange.ToArgb()
};
}
var lineListIndices = new short[(points.Length * 2) - 2];
// Populate the array with references to indices in the vertex buffer
for (int i = 0; i < points.Length - 1; i++)
{
lineListIndices[i * 2] = (short)(i);
lineListIndices[(i * 2) + 1] = (short)(i + 1);
}
device.SetRenderState(RenderState.AntialiasedLineEnable, true);
device.VertexFormat = VertexFormat.Diffuse | VertexFormat.PositionRhw;
device.DrawIndexedUserPrimitives <short, VertexPositionColor>(PrimitiveType.LineList, 0, points.Length, points.Length - 1, lineListIndices, Format.Index16, pointList, 20);
//pointList,
//0, // vertex buffer offset to add to each element of the index buffer
//8, // number of vertices in pointList
//lineListIndices, // the index buffer
//0, // first index element to read
//7 // number of primitives to draw
//);
Device.EndScene();
Device.Present();
d3dimage.SetBackBuffer(D3DResourceType.IDirect3DSurface9, Device.GetBackBuffer(0, 0).ComPointer);
d3dimage.AddDirtyRect(new Int32Rect(0, 0, d3dimage.PixelWidth, d3dimage.PixelHeight));
d3dimage.Unlock();
}
}
private void CompositionTarget_Rendering(object sender, EventArgs e)
{
if (counter++ % 2 == 0) return;
//Debug.WriteLine(watch.ElapsedMilliseconds);
if (sizeChanged)
{
pp.BackBufferWidth = (int)ActualWidth;
pp.BackBufferHeight = (int)ActualHeight;
//Device.Reset(pp);
sizeChanged = false;
}
Result result;
if (d3dimage.IsFrontBufferAvailable)
{
result = Device.TestCooperativeLevel();
if (result.IsFailure)
{
throw new Direct3D9Exception();
}
d3dimage.Lock();
Device.SetRenderState(RenderState.CullMode, Cull.None);
Device.SetRenderState(RenderState.ZEnable, true);
Device.Clear(ClearFlags.Target | ClearFlags.ZBuffer, new Color4(1, 1, 1, 1), 1.0f, 0);
Device.BeginScene();
var points = animatedDataSource.GetPoints().ToArray();
var pointList = new VertexPositionColor[points.Length];
//phase += 0.01;
//if (phase > 2 * Math.PI)
// phase -= 2 * Math.PI;
//for (int i = 0; i < animatedX.Length; i++)
//{
// animatedX[i] = 2 * Math.PI * i / animatedX.Length;
// if (i % 2 == 0)
// animatedY[i] = Math.Sin(animatedX[i] + phase);
// else
// animatedY[i] = -Math.Sin(animatedX[i] + phase);
//}
for (int i = 0; i < points.Length; i++)
{
pointList[i] = new VertexPositionColor
{
Position = new Vector4(100 + 500 * (float)points[i].X, 500 + 500 * (float)points[i].Y, 0.5f, 1),
Color = Color.Orange.ToArgb()
};
}
var lineListIndices = new short[(points.Length * 2) - 2];
// Populate the array with references to indices in the vertex buffer
for (int i = 0; i < points.Length - 1; i++)
{
lineListIndices[i * 2] = (short)(i);
lineListIndices[(i * 2) + 1] = (short)(i + 1);
}
device.SetRenderState(RenderState.PointSize, 10.0f);
device.SetRenderState(RenderState.AntialiasedLineEnable, true);
device.SetRenderState(RenderState.Clipping, false);
device.VertexFormat = VertexFormat.Diffuse | VertexFormat.PositionRhw;
device.DrawIndexedUserPrimitives<short, VertexPositionColor>(PrimitiveType.PointList, 0, points.Length, points.Length - 1, lineListIndices, Format.Index16, pointList, 20);
Device.EndScene();
Device.Present();
d3dimage.SetBackBuffer(D3DResourceType.IDirect3DSurface9, Device.GetBackBuffer(0, 0).ComPointer);
d3dimage.AddDirtyRect(new Int32Rect(0, 0, d3dimage.PixelWidth, d3dimage.PixelHeight));
d3dimage.Unlock();
}
}
