Switch to calculating z buffer from viewport vertices

2024-08-17 20:27:58 +01:00 · 2024-08-17 20:27:58 +01:00 · a3f0be461b
commit a3f0be461b
parent fdce10a85c
1 changed files with 1 additions and 2 deletions
--- a/src/obj.c
+++ b/src/obj.c
@ -347,8 +347,7 @@ internal void fill_triangle(Render *render, V3f vertices[TRIANGLE_VERTICES],
      }

      z = 0.0f;
-      z += vertices[0].z * coords.x + vertices[1].z * coords.y +
-           vertices[2].z * coords.z;
+      z += v0.z * coords.x + v1.z * coords.y + v2.z * coords.z;
      zbuf = get_pixel(f32, &(render->depth), x, y);

      if (z > zbuf) {