1 files changed, 4 insertions, 3 deletions
diff --git a/lib/vec2.c b/lib/vec2.c
index d795d50..55f5078 100644
--- a/lib/vec2.c
+++ b/lib/vec2.c
@@ -61,7 +61,8 @@ dp_vec2_length(vec2 v)
 vec2
 dp_vec2_normal(vec2 v)
 {
-	float a;
-	a = 1.f / dp_vec2_length(v);
-	return dp_vec2_mul(v, a);
+	float len = dp_vec2_length(v);
+	if (len == 0.0f)
+		return dp_vec2_new(0.0f, 0.0f);
+	return dp_vec2_mul(v, 1.0f / len);
 }