camera

Documentation

Overview

Package camera provides a camera used by raytracer to shoot rays into the scene

Index

• type Camera
  • func New(imageWidth int, imageHeight int, verticalFovDegrees float64, aperture float64, ...) Camera
  • func (c Camera) GetRay(u float64, v float64) geo.Ray

Types

type Camera

type Camera struct {
	// contains filtered or unexported fields
}

Camera contains all data needed to describe a cameras position, field of view and where it is pointing

func New

func New(
	imageWidth int,
	imageHeight int,
	verticalFovDegrees float64,
	aperture float64,
	focusDistance float64,
	lookFrom geo.Vec3,
	lookAt geo.Vec3,
	vup geo.Vec3,
) Camera

New creates a new camera with more easy to understand parameters

func (Camera) GetRay

func (c Camera) GetRay(u float64, v float64) geo.Ray

GetRay is a function for generating a ray for a certain u/v for the raytraced image