private void SetExampleScene(ILPanel panel)
{
ILScene scene = new ILScene();
try {
ILLabel.DefaultFont = new System.Drawing.Font("Helvetica", 8);
//ilPanel1.Driver = RendererTypes.GDI;
#region upper left plot
// prepare some data
ILArray <float> P = 1,
x = ILMath.linspace <float>(-2, 2, 40),
y = ILMath.linspace <float>(2, -2, 40);
ILArray <float> F = ILMath.meshgrid(x, y, P);
// a simple RBF
ILArray <float> Z = ILMath.exp(-(1.2f * F * F + P * P));
// surface expects a single matrix
Z[":;:;2"] = F; Z[":;:;1"] = P;
// add a plot cube
var pc = scene.Add(new ILPlotCube {
// shrink viewport to upper left quadrant
ScreenRect = new RectangleF(0.05f, 0, 0.4f, 0.5f),
// 3D rotation
TwoDMode = false,
Children =
{
// add surface
new ILSurface(Z)
{
// disable mouse hover marking
Fill = { Markable = false },
Wireframe ={ Markable = false },
// make it shiny
UseLighting = true,
Children = { new ILColorbar() }
},
//ILLinePlot.CreateXPlots(Z["1:10;:;0"], markers: new List<MarkerStyle>() {
// MarkerStyle.None,MarkerStyle.None,MarkerStyle.None,MarkerStyle.None,MarkerStyle.Circle, MarkerStyle.Cross, MarkerStyle.Plus, MarkerStyle.TriangleDown }),
//new ILLegend("hi","n","ku","zs","le", "blalblalblalblalb\\color{red} hier gehts rot")
},
Rotation = Matrix4.Rotation(new Vector3(1.1f, -0.4f, -0.69f), 1.3f)
});
#endregion
#region top right plot
// create a gear shape
var gear = new ILGear(toothCount: 30, inR: 0.5f, outR: 0.9f)
{
Fill = { Markable = false, Color = Color.DarkGreen }
};
// group with right clipping plane
var clipgroup = new ILGroup()
{
Clipping = new ILClipParams()
{
Plane0 = new Vector4(1, 0, 0, 0)
},
Children =
{
// a camera holding the (right) clipped gear
new ILCamera()
{
// shrink viewport to upper top quadrant
ScreenRect = new RectangleF(0.5f, 0, 0.5f, 0.5f),
// populate interactive changes back to the global scene
IsGlobal = true,
// adds the gear to the camera
Children ={ gear },
Position = new Vector3(0, 0, -15)
}
}
};
// setup the scene
var gearGroup = scene.Add(new ILGroup {
clipgroup, clipgroup // <- second time: group is cloned
});
gearGroup.First <ILCamera>().Parent.Clipping = new ILClipParams()
{
Plane0 = new Vector4(-1, 0, 0, 0)
};
// make the left side transparent green
gearGroup.First <ILTriangles>().Color = Color.FromArgb(100, Color.Green);
// synchronize both cameras; source: left side
gearGroup.First <ILCamera>().PropertyChanged += (s, arg) => {
gearGroup.Find <ILCamera>().ElementAt(1).CopyFrom(s as ILCamera, false);
};
#endregion
#region left bottom plot
// start value
int nrBalls = 10; bool addBalls = true;
var balls = new ILPoints("balls")
{
Positions = ILMath.tosingle(ILMath.randn(3, nrBalls)),
Colors = ILMath.tosingle(ILMath.rand(3, nrBalls)),
Color = null,
Markable = false
};
var leftBottomCam = scene.Add(new ILCamera {
ScreenRect = new RectangleF(0, 0.5f, 0.5f, 0.5f),
Projection = Projection.Perspective,
Children = { balls }
});
// funny label
string harmony = @"\color{red}H\color{blue}a\color{green}r\color{yellow}m\color{magenta}o\color{cyan}n\color{black}y\reset
";
var ballsLabel = scene.Add(new ILLabel(tag: "harmony")
{
Text = harmony,
Fringe = { Color = Color.FromArgb(240, 240, 240) },
Position = new Vector3(-0.75f, -0.25f, 0)
});
long oldFPS = 1;
PointF currentMousePos = new PointF();
// setup the swarm. Start with a few balls, increase number
// until framerate drops below 60 fps.
ILArray <float> velocity = ILMath.tosingle(ILMath.randn(3, nrBalls));
EventHandler <ILRenderEventArgs> updateBallsRenderFrame = (s, arg) => {
// transform viewport coords into 3d scene coords
Vector3 mousePos = new Vector3(currentMousePos.X * 2 - 1,
currentMousePos.Y * -2 + 1, 0);
// framerate dropped? -> stop adding balls
if (panel.FPS < oldFPS && panel.FPS < 60)
{
addBalls = false;
}
oldFPS = panel.FPS;
Computation.UpdateBalls(mousePos, balls, velocity, addBalls);
// balls buffers have been changed -> must call configure() to publish
balls.Configure();
// update balls label
ballsLabel.Text = harmony + "(" + balls.Positions.DataCount.ToString() + " balls)";
};
// saving the mouse position in MouseMove is easier for
// transforming the coordinates into the viewport
leftBottomCam.MouseMove += (s, arg) => {
// save the mouse position
currentMousePos = arg.LocationF;
};
panel.BeginRenderFrame += updateBallsRenderFrame;
m_cleanUpExample = () => {
leftBottomCam.MouseMove -= (s, arg) => {
// save the mouse position
currentMousePos = arg.LocationF;
};
panel.BeginRenderFrame -= updateBallsRenderFrame;
};
#endregion
panel.Scene = scene;
} catch (Exception exc) {
System.Diagnostics.Trace.WriteLine("ILPanel_Load Error:");
System.Diagnostics.Trace.WriteLine("====================");
System.Diagnostics.Trace.WriteLine(exc.ToString());
MessageBox.Show(exc.ToString());
}
}