Weekend ray tracing in golang

Now Implemented only until Section 5.1.

a weekend

Write png image.

go build .
.\weekend-ray-tracing-in-golang.exe
open image.png

image format is changed to PNG from PPM.

Name		Name	Last commit message	Last commit date
Latest commit History 19 Commits
.gitignore		.gitignore
README.md		README.md
color.go		color.go
go.mod		go.mod
go.sum		go.sum
hittable.go		hittable.go
main.go		main.go
point3.go		point3.go
ray.go		ray.go
ray_test.go		ray_test.go
vec3.go		vec3.go