raytracer

type Box struct {
	Sides []Object
	Min   Vector
	Max   Vector
}

type Camera struct {
	AspectRatio     float64
	ViewportHeight  float64
	ViewportWidth   float64
	FocalLength     float64
	Origin          Vector
	Horizontal      Vector
	Vertical        Vector
	LowerLeftCorner Vector
	LensRadius      float64
	U               Vector
	V               Vector
	W               Vector
}

type Colour = Vector

type ConstantMedium struct {
	Obj     Object
	Density float64
	Colour  Colour
}

type HitRecord struct {
	P         Vector
	Normal    Vector
	T         float64
	FrontFace bool
	Mat       Material
}

type Image struct {
	Img *image.RGBA
	// contains filtered or unexported fields
}

type Material struct {
	Scatter ScatterFunc
	Colour  Colour
	Fuzz    float64
	Light   bool
}

type Object interface {
	// contains filtered or unexported methods
}

type Ray struct {
	Origin    Vector
	Direction Vector
}

type RotateY struct {
	P        Object
	Angle    float64
	CosTheta float64
	SinTheta float64
}

type ScatterFunc func(rIn Ray, rec *HitRecord, attenuation *Vector, scattered *Ray, mat Material) bool

type Scene struct {
	Objects []Object
}

type Sphere struct {
	Center Vector
	Radius float64
	Mat    Material
}

type Translate struct {
	P      Object
	Offset Vector
}

type Vector struct {
	X float64
	Y float64
	Z float64
}

type XYRect struct {
	X0  float64
	X1  float64
	Y0  float64
	Y1  float64
	K   float64
	Mat Material
}

type XZRect struct {
	X0  float64
	X1  float64
	Z0  float64
	Z1  float64
	K   float64
	Mat Material
}

type YZRect struct {
	Y0  float64
	Y1  float64
	Z0  float64
	Z1  float64
	K   float64
	Mat Material
}