private void Viewport_OnStartRendering(object sender, EventArgs e)
{
bool isGoingOut = true;
bool isAddingNode = false;
RenderLoop.Run(window, () =>
{
if (resizeRequested)
{
viewport.Resize(window.ClientSize.Width, window.ClientSize.Height);
resizeRequested = false;
return;
}
var pos = camera.Position;
var t = Stopwatch.GetTimestamp();
var elapse = t - previousTime;
previousTime = t;
cameraController.OnTimeStep();
viewport.Render();
#if TESTADDREMOVE
if (groupSphere.Items.Count > 0 && !isAddingNode)
{
groupSphere.RemoveChildNode(groupSphere.Items.First());
if (groupSphere.Items.Count == 0)
{
isAddingNode = true;
Console.WriteLine($"{effectsManager.GetResourceCountSummary()}");
groupSphere.AddChildNode(groupBox);
groupSphere.AddChildNode(groupPoints);
groupPoints.AddChildNode(groupLines);
}
}
else
{
var materialCount = materialList.Length;
var transform = Matrix.Translation(new Vector3(rnd.NextFloat(-50, 50), rnd.NextFloat(-50, 50), rnd.NextFloat(-50, 50)));
groupSphere.AddChildNode(new MeshNode()
{
Geometry = box, Material = materialList[groupSphere.Items.Count % materialCount], ModelMatrix = transform, CullMode = SharpDX.Direct3D11.CullMode.Back
});
transform = Matrix.Translation(new Vector3(rnd.NextFloat(-20, 20), rnd.NextFloat(-20, 20), rnd.NextFloat(-20, 20)));
groupSphere.AddChildNode(new MeshNode()
{
Geometry = sphere, Material = materialList[groupSphere.Items.Count % materialCount], ModelMatrix = transform, CullMode = SharpDX.Direct3D11.CullMode.Back
});
if (groupSphere.Items.Count > NumItems)
{
isAddingNode = false;
}
}
#endif
});
}
/// <summary>
/// Can be called by different thread.
/// </summary>
/// <returns></returns>
public BitmapSource Render()
{
lock (viewport)
{
// Remove existing scene and create an new scene
currentScene?.RemoveSelf();
currentScene = new GroupNode();
GenerateSomeMesh(currentScene);
viewport.Items.AddChildNode(currentScene);
viewport.Render();
using var bitmapStream = viewport.RenderToBitmapStream();
bitmapStream.Position = 0;
var frame = BitmapFrame.Create(bitmapStream, BitmapCreateOptions.IgnoreImageCache, BitmapCacheOption.OnLoad);
return(frame);
}
}
private void Viewport_OnStartRendering(object sender, EventArgs e)
{
bool isGoingOut = true;
RenderLoop.Run(window, () =>
{
if (resizeRequested)
{
viewport.Resize(window.Width, window.Height);
resizeRequested = false;
return;
}
var pos = camera.Position;
var t = Stopwatch.GetTimestamp();
var elapse = t - previousTime;
previousTime = t;
var angle = ((double)elapse / Stopwatch.Frequency) * 0.05;
var camRotate = Matrix.RotationAxis(Vector3.UnitY, (float)(angle * Math.PI));
camera.Position = Vector3.TransformCoordinate(pos, camRotate);
camera.LookDirection = -camera.Position;
if (isGoingOut)
{
camera.Position += 0.05f * Vector3.Normalize(camera.Position);
if (camera.Position.LengthSquared() > 10000)
{
isGoingOut = false;
}
}
else
{
camera.Position -= 0.05f * Vector3.Normalize(camera.Position);
if (camera.Position.LengthSquared() < 2500)
{
isGoingOut = true;
}
}
viewport.Render();
viewport.InvalidateRender();
});
}
private void Viewport_OnStartRendering(object sender, EventArgs e)
{
bool isGoingOut = true;
bool isAddingNode = false;
RenderLoop.Run(window, () =>
{
if (resizeRequested)
{
viewport.Resize(window.Width, window.Height);
resizeRequested = false;
return;
}
var pos = camera.Position;
var t = Stopwatch.GetTimestamp();
var elapse = t - previousTime;
previousTime = t;
var angle = ((double)elapse / Stopwatch.Frequency) * 0.05;
var camRotate = Matrix.RotationAxis(Vector3.UnitY, (float)(angle * Math.PI));
camera.Position = Vector3.TransformCoordinate(pos, camRotate);
camera.LookDirection = -camera.Position;
if (isGoingOut)
{
camera.Position += 0.05f * Vector3.Normalize(camera.Position);
if (camera.Position.LengthSquared() > 10000)
{
isGoingOut = false;
}
}
else
{
camera.Position -= 0.05f * Vector3.Normalize(camera.Position);
if (camera.Position.LengthSquared() < 2500)
{
isGoingOut = true;
}
}
viewport.Render();
viewport.InvalidateRender();
#if TESTADDREMOVE
if (groupSphere.Items.Count > 0 && !isAddingNode)
{
groupSphere.RemoveChildNode(groupSphere.Items.First());
if (groupSphere.Items.Count == 0)
{
isAddingNode = true;
Console.WriteLine($"{effectsManager.GetResourceCountSummary()}");
groupSphere.AddChildNode(groupBox);
groupSphere.AddChildNode(groupPoints);
groupPoints.AddChildNode(groupLines);
}
}
else
{
var materialCount = materialList.Length;
var transform = Matrix.Translation(new Vector3(rnd.NextFloat(-50, 50), rnd.NextFloat(-50, 50), rnd.NextFloat(-50, 50)));
groupSphere.AddChildNode(new MeshNode()
{
Geometry = box, Material = materialList[groupSphere.Items.Count % materialCount], ModelMatrix = transform, CullMode = SharpDX.Direct3D11.CullMode.Back
});
transform = Matrix.Translation(new Vector3(rnd.NextFloat(-20, 20), rnd.NextFloat(-20, 20), rnd.NextFloat(-20, 20)));
groupSphere.AddChildNode(new MeshNode()
{
Geometry = sphere, Material = materialList[groupSphere.Items.Count % materialCount], ModelMatrix = transform, CullMode = SharpDX.Direct3D11.CullMode.Back
});
if (groupSphere.Items.Count > NumItems)
{
isAddingNode = false;
}
}
#endif
});
}