--- a/src/scene.h	Fri Nov 30 00:44:51 2007 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,205 +0,0 @@
-/*
- * C++ RayTracer
- * file: scene.h
- *
- * Radek Brich, 2006
- */
-
-#ifndef SCENE_H
-#define SCENE_H
-
-#include <vector>
-
-#include "noise.h"
-
-#include "vector.h"
-
-using namespace std;
-
-class Ray
-{
-public:
-	Vector3 o, dir;
-	Ray(const Vector3 &ao, const Vector3 &adir):
-		o(ao), dir(adir) {};
-};
-
-class Quaternion
-{
-public:
-	float a,b,c,d;
-	Quaternion(): a(0), b(0), c(0), d(0) {};
-	Quaternion(const float aa, const float ab, const float ac, const float ad):
-		a(aa), b(ab), c(ac), d(ad) {};
-	Quaternion(const Vector3& v): a(1), b(v.x), c(v.y), d(v.z) {};
-
-	Vector3 toVector() { return Vector3(b/a, c/a, d/a); };
-
-	Quaternion normalize()
-	{
-		float f = 1.0f / sqrtf(a * a + b * b + c * c + d * d);
-		a *= f;
-		b *= f;
-		c *= f;
-		d *= f;
-		return *this;
-	};
-	friend Quaternion operator*(const Quaternion &q1, const Quaternion &q2)
-	{
-		return Quaternion(
-			q1.a*q2.a - q1.b*q2.b - q1.c*q2.c - q1.d*q2.d,
-			q1.a*q2.b + q1.b*q2.a + q1.c*q2.d - q1.d*q2.c,
-			q1.a*q2.c + q1.c*q2.a + q1.d*q2.b - q1.b*q2.d,
-			q1.a*q2.d + q1.d*q2.a + q1.b*q2.c - q1.c*q2.b);
-	};
-	friend Quaternion conjugate(const Quaternion &q)
-	{
-		return Quaternion(q.a, -q.b, -q.c, -q.d);
-	}
-};
-
-class Camera
-{
-public:
-	Vector3 eye, p, u, v;
-	float f;
-
-	Camera(): eye(0,0,10), p(0,0,-1), u(-1,0,0), v(0,1,0), f(3.14/4.0) {};
-	Camera(const Vector3 &C, const Vector3 &ap, const Vector3 &au, const Vector3 &av):
-		eye(C), p(ap), u(au), v(av), f(3.14/4.0) {};
-	void setEye(const Vector3 &aeye) { eye = aeye; };
-	void setFocalLength(const float af) { f = af; };
-	void rotate(const Quaternion &q);
-	void move(const float fw, const float left, const float up);
-};
-
-/* axis-aligned bounding box */
-class BBox
-{
-public:
-	Vector3 L;
-	Vector3 H;
-	BBox(): L(), H() {};
-	BBox(const Vector3 aL, const Vector3 aH): L(aL), H(aH) {};
-	float w() { return H.x-L.x; };
-	float h() { return H.y-L.y; };
-	float d() { return H.z-L.z; };
-	bool intersect(const Ray &ray, float &a, float &b);
-};
-
-class Light
-{
-public:
-	Vector3 pos;
-	Colour colour;
-	bool cast_shadows;
-
-	Light(const Vector3 &position, const Colour &acolour):
-		pos(position), colour(acolour), cast_shadows(true) {};
-	void castShadows(bool cast) { cast_shadows = cast; };
-};
-
-class Texture
-{
-public:
-	Colour colour;
-	Colour evaluate(Vector3 point)
-	{
-		float sum = 0.0;
-		for (int i = 1; i < 5; i++)
-			sum += fabsf(perlin(point.x*i, point.y*i, point.z*i))/i;
-		float value = sinf(point.x + sum)/2 + 0.5;
-		return Colour(value*colour.r, value*colour.g, value*colour.b);
-	};
-};
-
-class Material
-{
-public:
-	float ambient, diffuse, specular, shininess; // Phong constants
-	float reflection; // how much reflectife is the surface
-	float refraction; // refraction index
-	float transmitivity;
-	Texture texture;
-
-	Material(const Colour &acolour) {
-		texture.colour = acolour;
-		ambient = 0.1;
-		diffuse = 0.5;
-		specular = 0.1;
-		shininess = 0.5;
-		reflection = 0.5;
-	}
-};
-
-class Shape
-{
-public:
-	Material *material;
-	Shape() {};
-	virtual ~Shape() {};
-
-	// first intersection point
-	virtual bool intersect(const Ray &ray, float &dist) = 0;
-
-	// all intersections (only for CSG)
-	virtual bool intersect_all(const Ray &ray, float dist, vector<float> &allts) = 0;
-
-	// normal at point P
-	virtual Vector3 normal(Vector3 &P) = 0;
-
-	virtual BBox get_bbox() = 0;
-};
-
-class Sphere: public Shape
-{
-	float sqr_radius;
-	float inv_radius;
-public:
-	Vector3 center;
-	float radius;
-
-	Sphere(const Vector3 &acenter, const float aradius, Material *amaterial):
-		sqr_radius(aradius*aradius), inv_radius(1.0f/aradius),
-		center(acenter), radius(aradius) { material = amaterial; }
-	bool intersect(const Ray &ray, float &dist);
-	bool intersect_all(const Ray &ray, float dist, vector<float> &allts);
-	Vector3 normal(Vector3 &P) { return (P - center) * inv_radius; };
-	BBox get_bbox();
-};
-
-class Box: public Shape
-{
-	Vector3 L;
-	Vector3 H;
-public:
-	Box(const Vector3 &aL, const Vector3 &aH, Material *amaterial): L(aL), H(aH)
-	{
-		for (int i = 0; i < 3; i++)
-			if (L.cell[i] > H.cell[i])
-				swap(L.cell[i], H.cell[i]);
-		material = amaterial;
-	};
-	bool intersect(const Ray &ray, float &dist);
-	bool intersect_all(const Ray &ray, float dist, vector<float> &allts) {return false;};
-	Vector3 normal(Vector3 &P);
-	BBox get_bbox() { return BBox(L, H); };
-};
-
-class Triangle: public Shape
-{
-	int k; // dominant axis
-	float nu, nv, nd;
-	float bnu, bnv;
-	float cnu, cnv;
-public:
-	Vector3 A, B, C, N;
-
-	Triangle(const Vector3 &aA, const Vector3 &aB, const Vector3 &aC, Material *amaterial);
-	bool intersect(const Ray &ray, float &dist);
-	bool intersect_all(const Ray &ray, float dist, vector<float> &allts) {return false;};
-	Vector3 normal(Vector3 &) { return N; };
-	BBox get_bbox();
-};
-
-#endif