1 files changed, 2 insertions, 1 deletions
diff --git a/color.go b/color.go
index 3514be6..dbcb47a 100644
--- a/color.go
+++ b/color.go
@@ -17,7 +17,8 @@ func LinearBlend(color1 Color, color2 Color, param float64) Color {
 }
 
 func RayColor(ray Ray, hitable Hitable) Color {
-	if hitable.Hit(ray) {
+	hit := hitable.Hit(ray)
+	if hit.time > 0 {
 		return Color{1.0, 0.0, 0.0}
 	}
 	param := 0.5 * (ray.direction.Unit().y + 1)