/// <inheritdoc />
public IHitable GetWorld()
{
var globe = PixelBuffer.FromFile(_globeImagePath);
var list = new HitableList()
{
new Sphere(
new Vector3(0.0f, -1000.0f, 0.0f),
1000.0f,
new LambertianMaterial(new VectorNoiseTexture(VectorNoiseMode.Soft, 3.0f))),
new Sphere(
new Vector3(0.0f, 2.0f, 0.0f),
2.0f,
new LambertianMaterial(new ImageTexture(globe)))
};
return(new BvhNode(list, 0.0f, 1.0f));
}
/// <inheritdoc />
public IHitable GetWorld()
{
var globe = PixelBuffer.FromFile(_globeImagePath);
var list = new HitableList()
{
new Sphere(
new Vector3(0.0f, -1000.0f, 0.0f),
1000.0f,
new LambertianMaterial(new VectorNoiseTexture(VectorNoiseMode.Marble, 3.0f))),
new Sphere(
new Vector3(0.0f, 2.0f, 0.0f),
2.0f,
new LambertianMaterial(new ImageTexture(globe))),
new Sphere(new Vector3(0.0f, 7.0f, 0.0f), 2.0f, new DiffuseLight(new ColorTexture(4.0f, 4.0f, 4.0f))),
new XyRect(3.0f, 5.0f, 1.0f, 3.0f, -2.0f, new DiffuseLight(new ColorTexture(4.0f, 4.0f, 4.0f)))
};
return(new BvhNode(list, 0.0f, 1.0f));
}
public void Run(string[] args)
{
using (new DisplayWindowBuilder(args)
.BackbufferSize(800, 600)
.QuitOnClose()
.Build())
{
PixelBuffer pbMaskBg = PixelBuffer.FromFile("mask_bg-bricks.png");
PixelBuffer pbBg = PixelBuffer.FromFile("bg-bricks.png");
PixelBuffer pbMaskCircle = PixelBuffer.FromFile("mask_circle.png");
Surface surfRealBg = new Surface(pbMaskBg.Size);
for (int x = 0; x < pbMaskBg.Width; x++)
{
for (int y = 0; y < pbMaskBg.Height; y++)
{
if (pbMaskBg.GetPixel(x, y) == Color.FromArgb(255, 0, 0, 0))
{
pbBg.SetPixel(x, y, Color.FromArgb(0, 0, 0, 0));
}
}
}
surfRealBg.WritePixels(pbBg);
bool mouseDown = false;
Input.Unhandled.MouseDown += (sender, e) =>
{
if (e.MouseButton == MouseButton.Primary)
{
mouseDown = true;
}
};
Input.Unhandled.MouseUp += (sender, e) =>
{
if (e.MouseButton == MouseButton.Primary)
{
mouseDown = false;
}
};
Input.Unhandled.MouseMove += (sender, e) => mouse = e.MousePosition;
while (AgateApp.IsAlive)
{
Display.CurrentWindow.Title = Display.FramesPerSecond.ToString();
Display.BeginFrame();
if (Input.Unhandled.Keys[KeyCode.Escape])
{
return;
}
if (mouseDown)
{
int mX = mouse.X;
int mY = mouse.Y;
Rectangle rect = new Rectangle(mX, mY, pbMaskCircle.Width, pbMaskCircle.Height);
Point p = new Point(mX, mY);
for (int x = 0; x < pbMaskCircle.Width; x++)
{
if (mX + x >= pbBg.Width)
{
break;
}
for (int y = 0; y < pbMaskCircle.Height; y++)
{
if (mY + y >= pbBg.Height)
{
break;
}
if (pbMaskCircle.GetPixel(x, y) == Color.FromArgb(255, 0, 0, 0))
{
pbBg.SetPixel(mX + x, mY + y, Color.FromArgb(0, 0, 0, 0));
}
}
}
surfRealBg.WritePixels(pbBg, rect, p);
}
Display.Clear(Color.Blue);
surfRealBg.Draw();
Display.EndFrame();
AgateApp.KeepAlive();
}
}
}
