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README.md

@@ -0,0 +1 @@
+Based on the article https://raytracing.github.io/books/RayTracingInOneWeekend.html

src/main.zig

@@ -1,4 +1,5 @@
 const std = @import("std");
+const vec3 = @import("vec3.zig");
 
 pub fn main() anyerror!void {
     const stdout = std.io.getStdOut().writer();

src/ray.zig

@@ -0,0 +1,6 @@
+const vec3 = @import("vec3.zig");
+
+pub const ray = struct {
+    origin : vec3.point3,
+    dir : vec3.vec3,
+};

src/vec3.zig

@@ -1,4 +1,4 @@
-const vec3 = struct {
+pub const vec3 = struct {
     x: f64,
     y: f64,
     z: f64,
@@ -12,4 +12,4 @@ const vec3 = struct {
     }
 };
 
-const color = vec3;
+pub const color = vec3;