createNormalMap: fix for bad range of generated normal maps

7 years ago · 7f7baa8b8b
parent cec8e7159a
commit 7f7baa8b8b
1 changed files with 3 additions and 3 deletions
--- a/src/nvimage/NormalMap.cpp
+++ b/src/nvimage/NormalMap.cpp
@ -103,9 +103,9 @@ static FloatImage * createNormalMap(const FloatImage * img, FloatImage::WrapMode

            Vector3 n = normalize(Vector3(du, dv, heightScale));

-            img_out->pixel(0, x, y, 0) = n.x;
-            img_out->pixel(1, x, y, 0) = n.y;
-            img_out->pixel(2, x, y, 0) = n.z;
+            img_out->pixel(0, x, y, 0) = n.x * 0.5f + 0.5f;
+            img_out->pixel(1, x, y, 0) = n.y * 0.5f + 0.5f;
+            img_out->pixel(2, x, y, 0) = n.z * 0.5f + 0.5f;
        }
    }