1 files changed, 8 insertions, 2 deletions
diff --git a/main.go b/main.go
index a1cb2c9..daf2718 100644
--- a/main.go
+++ b/main.go
@@ -2,19 +2,25 @@ package main
 
 const HEIGHT = 100
 const WIDTH = 200
+const T_MIN = 0.001
+const T_MAX = 1000
 
 func main() {
 	LOWER_LEFT_CORNER := Vec3D{-2.0, -1.0, -1.0}
 	ORIGIN := Vec3D{0.0, 0.0, 0.0}
 	HORIZONTAL := Vec3D{4.0, 0.0, 0.0}
 	VERTICAL := Vec3D{0.0, 2.0, 0.0}
-	SPHERE := Sphere{Vec3D{0.0, 0.0, -1.0}, .5}
+
+	SPHERE := Sphere{Vec3D{0.0, 0.0, -1.0}, 0.5}
+	EARTH := Sphere{Vec3D{0.0, -100.5, -1.0}, 100.0}
+
+	WORLD := HitableList{EARTH, SPHERE}
 	frame := Frame{}
 	for x := 0; x < HEIGHT; x++ {
 		for y := 0; y < WIDTH; y++ {
 			u, v := float64(y)/float64(WIDTH), float64(x)/float64(HEIGHT)
 			ray := Ray{ORIGIN, AddVec3D(AddVec3D(LOWER_LEFT_CORNER, ScalarProduct(u, HORIZONTAL)), ScalarProduct(v, VERTICAL))}
-			color := RayColor(ray, SPHERE)
+			color := RayColor(ray, WORLD)
 			frame[HEIGHT-1-x][y] = color.ToPixel()
 		}
 	}