private void Form1_Shown(object sender, EventArgs e)
{
Stopwatch sw = new Stopwatch();
sw.Start();
var model = ModelFiles.GetAfricanHeadModel();
//var model = ModelFiles.GetDiabloModel();
sw.Stop();
var renderer = new ModelRenderer(new ShadowShaderRenderer(model, pictureBox1));
//var renderer = new ModelRenderer(new NoToneShaderRenderer(model, pictureBox1));
//var renderer = new ModelRenderer(new ToonShaderRenderer(model, pictureBox1));
//var renderer = new ModelRenderer(new NormalMapShaderRenderer(model, pictureBox1));
renderer.Render();
InfoViewer.ShowDiagnosticInfo
($"Loading Time: {sw.Elapsed.TotalMilliseconds:f2} ms", new PointF(10, 10), Graphics.FromImage(pictureBox1.Image));
InfoViewer.ShowDiagnosticInfo
($"Triangles Count: {model.FacesV.Count}", new PointF(10, 50), Graphics.FromImage(pictureBox1.Image));
InfoViewer.ShowDiagnosticInfo
($"Resolution: {pictureBox1.Width} X {pictureBox1.Height}", new PointF(10, 70), Graphics.FromImage(pictureBox1.Image));
}
public void Render()
{
Stopwatch sw = new Stopwatch();
sw.Start();
DirectBitmap bitmap = new DirectBitmap(width, height);
for (int i = 0; i < z_buffer.Length; i++)
{
z_buffer[i] = -float.MaxValue;
}
Rasterizer rasterizer = new Rasterizer();
//// start of picture render by normal map shader ////
var nm_shader = new NormalMappingShader(model, ViewPort, Projection, ModelView, light_dir);
nm_shader.uniform_m = Projection * ModelView;
nm_shader.uniform_mit = (Projection * ModelView).Inverse().Transpose();
for (int i = 0; i < model.FacesV.Count; i++)
{
Vector4[] screen_coords = new Vector4[3];
for (int j = 0; j < model.FacesV[i].Length; j++)
{
screen_coords[j] = nm_shader.Vertex(i, j);
}
rasterizer.Triangle(screen_coords, nm_shader, bitmap, pictureBox, z_buffer);
}
//// end of picture render by normal map shader ////
sw.Stop();
bitmap.Bitmap.RotateFlip(RotateFlipType.Rotate180FlipNone);
InfoViewer.ShowDiagnosticInfo
($"Render Time: {sw.Elapsed.TotalMilliseconds:f2} ms", new PointF(10, 30), Graphics.FromImage(bitmap.Bitmap));
// output final render
pictureBox.Image = bitmap.Bitmap;
}
public void Render()
{
Stopwatch sw = new Stopwatch();
sw.Start();
DirectBitmap bitmap = new DirectBitmap(width, height);
Rasterizer rasterizer = new Rasterizer();
//// start of picture render by toon shader ////
var toon_shader = new GouraudShader(model, ViewPort, Projection, ModelView, light_dir);
for (int i = 0; i < model.FacesV.Count; i++)
{
Vector4[] screen_coords = new Vector4[3];
for (int j = 0; j < model.FacesV[i].Length; j++)
{
screen_coords[j] = toon_shader.Vertex(i, j);
}
rasterizer.Triangle(screen_coords, toon_shader, bitmap, pictureBox, z_buffer);
}
//// end of picture render by toon shader ////
sw.Stop();
model.Texture.Dispose();
bitmap.Bitmap.RotateFlip(RotateFlipType.Rotate180FlipNone);
InfoViewer.ShowDiagnosticInfo
($"Render Time: {sw.Elapsed.TotalMilliseconds:f2} ms", new PointF(10, 30), Graphics.FromImage(bitmap.Bitmap));
// output final render
pictureBox.Image = bitmap.Bitmap;
}
public void Render()
{
Stopwatch sw = new Stopwatch();
sw.Start();
DirectBitmap bitmap = new DirectBitmap(width, height);
Rasterizer rasterizer = new Rasterizer();
//// start of shadow buffer rendering
Matrix4x4 SB_ModelView = Matrix4x4Extensions.LookAt(light_dir, center, up);
Matrix4x4 SB_Projection = Matrix4x4.Identity;
Matrix4x4 ViewPort = Matrix4x4Extensions.Viewport(width / 8, height / 8, width * 3 / 4, height * 3 / 4);
SB_Projection.M43 = 0;
var shader = new DepthShader(model, ViewPort, SB_Projection, SB_ModelView);
for (int i = 0; i < model.FacesV.Count; i++)
{
Vector4[] screen_coords = new Vector4[3];
for (int j = 0; j < model.FacesV[i].Length; j++)
{
screen_coords[j] = shader.Vertex(i, j);
}
rasterizer.Triangle(screen_coords, shader, bitmap, pictureBox, shadow_buffer, true);
}
//// end of shadow buffer rendering
//// start of picture render by shadow shader ////
Matrix4x4 M = ViewPort * SB_Projection * SB_ModelView;
Matrix4x4 ModelView = Matrix4x4Extensions.LookAt(eye, center, up);
Matrix4x4 Projection = Matrix4x4.Identity;
Projection.M43 = -1.0f / (eye - center).Norm();
var sh_shader = new ShadowShader(model, ViewPort, Projection, ModelView, light_dir, shadow_buffer, width);
sh_shader.uniform_m = Projection * ModelView;
sh_shader.uniform_mit = sh_shader.uniform_m.Inverse().Transpose();
sh_shader.uniform_m_shadow = M * (ViewPort * Projection * ModelView).Inverse();
for (int i = 0; i < model.FacesV.Count; i++)
{
Vector4[] screen_coords = new Vector4[3];
for (int j = 0; j < model.FacesV[i].Length; j++)
{
screen_coords[j] = sh_shader.Vertex(i, j);
}
rasterizer.Triangle(screen_coords, sh_shader, bitmap, pictureBox, z_buffer);
}
//// end of picture render by shadow shader ////
sw.Stop();
model.Texture.Dispose();
bitmap.Bitmap.RotateFlip(RotateFlipType.Rotate180FlipNone);
InfoViewer.ShowDiagnosticInfo
($"Render Time: {sw.Elapsed.TotalMilliseconds:f2} ms", new PointF(10, 30), Graphics.FromImage(bitmap.Bitmap));
// output final render
pictureBox.Image = bitmap.Bitmap;
}