ray

Documentation

Index

• type Ray
  • func New(o tuple.Tuple, d tuple.Tuple) Ray
  • func (r Ray) Position(t float64) tuple.Tuple
  • func (r Ray) Transform(m *matrix.Matrix) Ray

Types

type Ray

type Ray struct {
	Origin    tuple.Tuple
	Direction tuple.Tuple
}

Ray represents a ray

func New

func New(o tuple.Tuple, d tuple.Tuple) Ray

New returns a ray with given origin and direction

func (Ray) Position

func (r Ray) Position(t float64) tuple.Tuple

Position returns the position of a point on a ray at distance t

func (Ray) Transform

func (r Ray) Transform(m *matrix.Matrix) Ray

Transform applies a transform to a ray and returns the transformed ray