public void DrawTrianglesOutScreen()
{
var form = new TestForm();
form.Paint += (object sender, PaintEventArgs e) =>
{
e.Graphics.Clear(Color.Black);
Bitmap bmp = new Bitmap(320, 240);
Draw2D.Triangle(new Point2D(-40, 120), new Point2D(170, -50), new Point2D(370, 119), bmp, Color.White);
e.Graphics.DrawImage(bmp, 0, 0);
};
Application.Run(form);
}
public void DrawLinesOutScreen()
{
var form = new TestForm();
form.Paint += (object sender, PaintEventArgs e) =>
{
e.Graphics.Clear(Color.Black);
Bitmap bmp = new Bitmap(320, 240);
Draw2D.Line(-10, -10, 400, 0, bmp, Color.White);
Draw2D.Line(-10, -10, 319, 10, bmp, Color.White);
Draw2D.Line(-10, -10, -10, 400, bmp, Color.White);
Draw2D.Line(319, 180, 0, 120, bmp, Color.White);
e.Graphics.DrawImage(bmp, 0, 0);
};
Application.Run(form);
}
public void DrawTriangles()
{
var form = new TestForm();
form.Paint += (object sender, PaintEventArgs e) =>
{
e.Graphics.Clear(Color.Black);
Bitmap bmp = new Bitmap(320, 240);
//Проверяем прямой порядок вершин по у
Draw2D.Triangle(new Point2D(60, 60), new Point2D(10, 120), new Point2D(150, 120), bmp, Color.White);
Draw2D.Triangle(new Point2D(220, 60), new Point2D(200, 120), new Point2D(319, 120), bmp, Color.Orange);
//обратный порядок вершин по Y
Draw2D.Triangle(new Point2D(10, 200), new Point2D(180, 180), new Point2D(70, 140), bmp, Color.Green);
e.Graphics.DrawImage(bmp, 0, 0);
};
Application.Run(form);
}
public void TestDrawCamera()
{
var scene = new Scene();
var cube = new Cube()
{
Position = new Vector4()
{
X = 0, Y = 0, Z = 1.25f, W = 1d
}
};
scene.Objects = new List <Object3D>
{
new Pyramid()
{
Position = new Vector4()
{
X = 0.7f, Y = 0, Z = 1.25f, W = 1d
}
},
cube,
new Pyramid()
{
Position = new Vector4()
{
X = -0.8f, Y = 0, Z = 3.5f, W = 1d
}, Mategial
= new Material {
DiffuseColor = new Vector4 {
X = 1, Y = 1, Z = 0, W = 1
}
}
}
};
scene.LightSources = new List <LightSource> {
new GlobalLightSource()
{
Color = new Vector4(1, 0.9f, 0.65f, 1), Intensity = 1f, Position = new Vector4(1, 1, -1, 1)
}
};
scene.AmbientColor = new Vector4(0, 0, 0.3f, 0);
var form = new TestForm();
form.ClientSize = new Size(320, 240);
var t = new Timer();
t.Interval = 60;
t.Tick += (object sender, EventArgs e) =>
{
cube.Rotation.Y += 0.07f;
form.Refresh();
};
form.Paint += (object sender, PaintEventArgs e) =>
{
var renderer = new Renderer(form.ClientSize.Width, form.ClientSize.Height);
renderer.Render(scene);
e.Graphics.Clear(Color.Black);
e.Graphics.DrawImage(renderer.FrameBuffer, 0, 0);
};
form.Load += (s, e) => { t.Enabled = true; };
Application.Run(form);
}
public void DrawTriangles_SubpixelAccuracity()
{
var form = new TestForm();
form.ClientSize = new Size(300, 300);
var vertex1 = new Vector3f(1f, 1f, 0);
var vertex2 = new Vector3f(5f, 1f, 0);
var vertex3 = new Vector3f(5f, 5f, 0);
form.Paint += (object sender, PaintEventArgs e) =>
{
e.Graphics.Clear(Color.Black);
e.Graphics.SmoothingMode = SmoothingMode.None;
e.Graphics.InterpolationMode = InterpolationMode.NearestNeighbor;
Bitmap bmp = new Bitmap(15, 15);
var zbuffer = new double[15 * 15];
//Проверяем прямой порядок вершин по у
Draw3D.SimpleRasterizeTriangle(vertex1, vertex2, vertex3, bmp, Color.Green, zbuffer);
var imageScale = 20;
DrawBitmap(e.Graphics, bmp, new Rectangle(0, 0, 300, 300));
DrawGrid(new Pen(Color.Gray), e.Graphics, 15, 15, 300, 300);
DrawBoundTriangle(new Pen(Color.Red), e.Graphics, vertex1, vertex2, vertex3, imageScale);
};
form.KeyDown += (object sender, KeyEventArgs e) =>
{
if (e.KeyCode == Keys.A)
{
vertex1.X -= 0.05f;
}
if (e.KeyCode == Keys.D)
{
vertex1.X += 0.05f;
}
if (e.KeyCode == Keys.W)
{
vertex2.Y -= 0.05f;
}
if (e.KeyCode == Keys.S)
{
vertex2.Y += 0.05f;
}
if (e.KeyCode == Keys.Left)
{
vertex1.X -= 0.05f;
vertex2.X -= 0.05f;
vertex3.X -= 0.05f;
}
if (e.KeyCode == Keys.Right)
{
vertex1.X += 0.05f;
vertex2.X += 0.05f;
vertex3.X += 0.05f;
}
if (e.KeyCode == Keys.Up)
{
vertex1.Y -= 0.05f;
vertex2.Y -= 0.05f;
vertex3.Y -= 0.05f;
}
if (e.KeyCode == Keys.Down)
{
vertex1.Y += 0.05f;
vertex2.Y += 0.05f;
vertex3.Y += 0.05f;
}
form.Refresh();
};
Application.Run(form);
}
