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

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,
	c CameraConfig,
) Camera

New creates a new camera from image dimensions and config

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

type CameraConfig

type CameraConfig struct {
	VerticalFovDegrees float64
	ApertureSize       float64
	FocusDistance      float64
	LookFrom           geo.Vec3
	LookAt             geo.Vec3
}

CameraConfig contains all needed parameters for constructing a camera