nothing important

src/material.go

@@ -5,6 +5,14 @@ import "math"
 type Color interface {
 	GetColor(Vector3) Vector3
 }
+type ScaledColor struct {
+	color Color
+	scale float64
+}
+
+func (sColor ScaledColor) GetColor(p Vector3) Vector3 {
+	return sColor.color.GetColor(p).Scale(sColor.scale)
+}
 
 type GridColor struct {
 	color1 Color
@@ -39,7 +47,7 @@ type Material struct {
 
 func DefaultMaterial(diffuseColor Color) Material {
 	return Material{
-		ambiantColor:    Vector3{0, 0, 0},
+		ambiantColor:    ScaledColor{diffuseColor, 0.2},
 		diffuseColor:    diffuseColor,
 		diffuseFac:      1,
 		specularColor:   Vector3{255, 255, 255},