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camera: correct x/y calculations in Camera::render.

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This commit is contained in:
Bill Thiede 2021-07-17 21:52:11 -07:00
parent 059f710706
commit e752536430
1 changed files with 2 additions and 2 deletions
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4
rtchallenge/src/camera.rs
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@ -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);