Exemplo n.º 1
0
 public RColor Color(P3 p, Ray r, SceneObject s)
 {
     P3 N = s.Geo.Normal(p);
     float c1 = -N.Dot(r.direction);
     P3 R1 = r.direction.Add(N.Scale(2).Scale(c1));
     float d;
     Ray r1 = new Ray(p, R1);
     SceneObject so = Form1.shootRay(r1, out d);
     if (so == null) {
         return new RColor(0, 0, 0);
     } else return so.ColorAt(r1.Travel(d), r1);
 }
Exemplo n.º 2
0
 public float Intersect(Ray E)
 {
     P3 P;
     P3 EO = center.Sub(E.start);
     float d;
     float v = EO.Dot(E.direction);
     float disc = (r * r) - ((EO.Dot(EO) - (v * v)));
     if (disc < 0) {
         return -1;
     } else {
         d = (float)Math.Sqrt(disc);
         P = E.start.Add(E.direction.Scale(v - d));
     }
     if (v - d < 0 && v + d < 0) {
         return -1;
     } else if (v - d > 0) return v - d;
     else return v + d;
 }
Exemplo n.º 3
0
 public static SceneObject shootRay(Ray r, out float d)
 {
     d = -1;
     SceneObject close = null;
     foreach (SceneObject s in objects) {
         float ds = s.Distance(r);
         if (ds != -1 && ds > 0.01) {
             if (d != -1) {
                 if (ds < d) {
                     d = ds;
                     close = s;
                 }
             } else {
                 d = ds;
                 close = s;
             }
         }
     }
     return close;
 }
Exemplo n.º 4
0
 public void nonThreadedTrace()
 {
     float distance;
     P3 d;
     Ray r;
     SceneObject s;
     for (int i = 0; i < width; i++) {
         for (int j = 0; j < height; j++) {
             d = new P3(i / Form1.width * 2 - 1, 0, j / Form1.height * 2 - 1);
             r = new Ray(Form1.cameraPos, d.Sub(Form1.cameraPos));
             s = Form1.shootRay(r, out distance);
             if (s != null) {
                 try {
                     Form1.cs[i, j] = s.ColorAt(r.Travel(distance), r);
                 } catch (Exception e) { //Set pixel to black if there are any errors
                     Form1.cs[i, j] = new RColor(0, 0, 0);
                 }
             }
         }
     }
 }
Exemplo n.º 5
0
 public float Distance(Ray r)
 {
     return Geo.Intersect(r);
 }
Exemplo n.º 6
0
 public RColor ColorAt(P3 p, Ray r)
 {
     return Skin.Color(p, r, this);
 }
Exemplo n.º 7
0
 public RColor Color(P3 p, Ray r, SceneObject s)
 {
     RColor light = Form1.getLight(p, s.Geo.Normal(p));
     return light.Mul(s.Texture.Color(s.Geo.ToP2(p)));
 }
Exemplo n.º 8
0
 public float Intersect(Ray r)
 {
     float t = -(d + n.Dot(r.start)) / n.Dot(r.direction);
     return t;
 }