From e752536430541bd1a0a6e3a2c5d53f15fedb7c3a Mon Sep 17 00:00:00 2001
From: Bill Thiede <git@xinu.tv>
Date: Sat, 17 Jul 2021 21:52:11 -0700
Subject: [PATCH] camera: correct x/y calculations in Camera::render.

---
 rtchallenge/src/camera.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/rtchallenge/src/camera.rs b/rtchallenge/src/camera.rs
index 9936814..464e597 100644
--- a/rtchallenge/src/camera.rs
+++ b/rtchallenge/src/camera.rs
@@ -147,8 +147,8 @@ impl Camera {
     /// ```
     pub fn render(&self, w: &World) -> Canvas {
         let mut image = Canvas::new(self.hsize, self.vsize, BLACK);
-        for y in 0..self.hsize {
-            for x in 0..self.vsize {
+        for y in 0..self.vsize {
+            for x in 0..self.hsize {
                 let ray = self.ray_for_pixel(x, y);
                 let color = w.color_at(&ray);
                 image.set(x, y, color);