/*public ColorRgb Radiance(PointLight light, HitInfo hit)
* {
* Vector3 inDirection = (light.Position - hit.HitPoint).Normalised;
* double diffuseFactor = inDirection.Dot(hit.Normal);
*
* if (diffuseFactor < 0) { return ColorRgb.Black; }
*
* ColorRgb result = light.Color * materialColor * diffuseFactor * diffuseCoeff;
* double phongFactor = PhongFactor(inDirection, hit.Normal, -hit.Ray.Direction);
*
* if(phongFactor != 0)
* { result += materialColor * specular * phongFactor; }
*
* return result;
* }*/
public ColorRgb Shade(Raytracer tracer, HitInfo hit)
{
ColorRgb totalColor = ColorRgb.Black;
foreach (var light in hit.World.Lights)
{
Vector3 inDirection = (light.Position - hit.HitPoint).Normalised;
double diffuseFactor = inDirection.Dot(hit.Normal);
if (diffuseFactor < 0)
{
return(ColorRgb.Black);
}
if (hit.World.AnyObstacleBetween(hit.HitPoint, light.Position))
{
continue;
}
ColorRgb result = light.Color * materialColor * diffuseFactor * diffuseCoeff; double phongFactor = PhongFactor(inDirection, hit.Normal, -hit.Ray.Direction);
if (phongFactor != 0)
{
result += materialColor * specular * phongFactor;
}
totalColor += result;
}
return(totalColor);
}
public ColorRgb Shade(Raytracer tracer, HitInfo hit)
{
Vector3 toCameraDirection = -hit.Ray.Direction;
ColorRgb radiance = direct.Shade(tracer, hit);
Vector3 reflectionDirection = Vector3.Reflect(toCameraDirection, hit.Normal);
Ray reflectedRay = new Ray(hit.HitPoint, reflectionDirection);
ColorRgb reflected = tracer.ShadeRay(hit.World, reflectedRay, hit.Depth) * reflectionColor * reflectivity;
radiance += tracer.ShadeRay(hit.World, reflectedRay, hit.Depth) * reflectionColor * reflectivity;
return(radiance);
}
private void generaturButton_Click(object sender, EventArgs e)
{
//double diff = double.Parse(txtDiff.Text);
//double spec = double.Parse(txtSpec.Text);
//double exp = double.Parse(txtExp.Text);
//double refl = double.Parse(txtRef.Text);
World world = new World(Color.Gray);
IMaterial redMat = new Reflective(Color.LightCoral, 0.4, 1, 300, 0.6);
IMaterial greenMat = new Reflective(Color.Green, 0.4, 1, 300, 0.6);
IMaterial blueMat = new Reflective(Color.LightBlue, 0.4, 1, 300, 0.6);
IMaterial grayMat = new Reflective(Color.Gray, 0.4, 1, 300, 0.6);
IMaterial purpMat = new PerfectDiffuse(Color.Purple);
IMaterial pinkMat = new PerfectDiffuse(Color.Pink);
IMaterial whitekMat = new PerfectDiffuse(Color.White);
//world.Add(new Sphere(new Vector3(-4, 0, 0), 2, redMat));
//world.Add(new Sphere(new Vector3(4, 0, 0), 2, greenMat));
world.Add(new Sphere(new Vector3(0, 0, 3), 2, blueMat));
//world.Add(new Sphere(new Vector3(-2.5, 0, 3), 2, purpMat));
//world.Add(new Sphere(new Vector3(2.5, 0, 3), 2, pinkMat));
//world.Add(new Sphere(new Vector3(0, 0, 5), 2, purpMat));
world.Add(new Plane(new Vector3(0, -2, 0), new Vector3(0, 1, 0), whitekMat));
//world.Add(new Triangle(new Vector3(-2, 0, 1), new Vector3(2, 0, 1), new Vector3(0, 2, 4), purpMat));
world.AddLight(new PointLight(new Vector3(0, 0, -1), Color.White));
ICamera camera = new Pinhole(new Vector3(0, 4, -1), new Vector3(0, 0, 0), new Vector3(0, -1, 0), 1);
//ICamera camera = new Pinhole(new Vector3(0, 0, 4), new Vector3(0, 0, 0), new Vector3(0, 1, 0), 1);
Vector3 vertex0 = new Vector3(-1, -1, 0);
Vector3 vertex1 = new Vector3(1, -1, 0);
Vector3 vertex2 = new Vector3(1, 1, 0);
Vector3 vertex3 = new Vector3(-1, 1, 0);
world.Add(new Triangle(vertex0, vertex1, vertex2, redMat));
world.Add(new Triangle(vertex0, vertex2, vertex3, redMat));
Raytracer tracer = new Raytracer(5);
Bitmap image = tracer.Raytrace(world, camera, new Size(1024, 1024));
pictureBox1.SizeMode = PictureBoxSizeMode.StretchImage;
image.Save("raytraced.png");
pictureBox1.Image = image;
//pictureBox1.ImageLocation = @"G:\Projekty\Elementy Grafiki\RaytracerTest\RayTracerWinFormsTest — kopia\RayTracerWinFormsTest\bin\Debug\raytraced.png";
}
/*public ColorRgb Radiance(PointLight light, HitInfo hit) {
* Vector3 inDirection = (light.Position - hit.HitPoint).Normalised;
* double diffuseFactor = inDirection.Dot(hit.Normal);
* if (diffuseFactor < 0) { return ColorRgb.Black; }
* return light.Color * materialColor * diffuseFactor;
* }*/
public ColorRgb Shade(Raytracer tracer, HitInfo hit)
{
ColorRgb totalColor = ColorRgb.Black;
foreach (var light in hit.World.Lights)
{
Vector3 inDirection = (light.Position - hit.HitPoint).Normalised;
double diffuseFactor = inDirection.Dot(hit.Normal);
if (diffuseFactor < 0)
{
continue;
}
if (hit.World.AnyObstacleBetween(hit.HitPoint, light.Position))
{
continue;
}
totalColor += light.Color * materialColor * diffuseFactor;
}
return(totalColor);
}