From a1062285177005245b1b2626c59aa329eb10727d Mon Sep 17 00:00:00 2001
From: gered <gered@blarg.ca>
Date: Sat, 1 Apr 2023 00:40:05 -0400
Subject: [PATCH] sample in the middle of pixels, instead of the top-left

---
 ggdt/src/graphics/bitmap/triangles.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ggdt/src/graphics/bitmap/triangles.rs b/ggdt/src/graphics/bitmap/triangles.rs
index f714eeb..4f4faa8 100644
--- a/ggdt/src/graphics/bitmap/triangles.rs
+++ b/ggdt/src/graphics/bitmap/triangles.rs
@@ -81,7 +81,7 @@ impl<PixelType: Pixel> Bitmap<PixelType> {
 			for (idx, pixel) in row_pixels.iter_mut().enumerate() {
 				let x = min_x + idx as i32;
 
-				let p = Vector2::new(x as f32, y as f32);
+				let p = Vector2::new(x as f32 + 0.5, y as f32 + 0.5);
 				let w0 = cross(b, c, p);
 				let w1 = cross(c, a, p);
 				let w2 = cross(a, b, p);