Various bug fixes + Material setters

material.go

@@ -15,7 +15,7 @@ type GridColor struct {
 func (grid GridColor) GetColor(p Vector3) Vector3 {
 	ix := int(math.Floor(p.X / grid.size))
 	iy := int(math.Floor(p.Y / grid.size))
-	iz := int(math.Floor(p.Z / grid.size))
+	iz := int(math.Floor(p.Z/grid.size)) * 0
 
 	if (ix+iy+iz)%2 == 0 {
 		return grid.color1.GetColor(p)
@@ -37,14 +37,14 @@ type Material struct {
 	refractIndice   float64
 }
 
-func DefaultMaterial(ambiantColor Color) Material {
+func DefaultMaterial(diffuseColor Color) Material {
 	return Material{
-		ambiantColor:    ambiantColor,
-		diffuseColor:    Vector3{255, 255, 255},
-		diffuseFac:      0.5,
+		ambiantColor:    Vector3{0, 0, 0},
+		diffuseColor:    diffuseColor,
+		diffuseFac:      1,
 		specularColor:   Vector3{255, 255, 255},
-		specularFac:     1.0,
-		specularExp:     32.0,
+		specularFac:     2,
+		specularExp:     35.0,
 		reflectanceFac:  0.0,
 		reflectanceTint: Vector3{1.0, 1.0, 1.0},
 		refractFac:      0.0,
@@ -67,6 +67,32 @@ func MixMat(mat1 Material, mat2 Material, t float64, p Vector3) Material {
 	}
 }
 
+// Setters
+
+func ChangeAmbiantColor(m *Material, newAmbiantColor Color) {
+	m.ambiantColor = newAmbiantColor
+}
+
+func ChangeDiffuseColor(m *Material, newDiffuseColor Color) {
+	m.diffuseColor = newDiffuseColor
+}
+
+func ChangeSpecularColor(m *Material, newSpecularColor Color) {
+	m.specularColor = newSpecularColor
+}
+
+func ChangeDiffuseFac(m *Material, newDiffuseFac float64) {
+	m.diffuseFac = newDiffuseFac
+}
+
+func ChangeSpecularFac(m *Material, newSpecularFac float64) {
+	m.specularFac = newSpecularFac
+}
+
+func ChangeSpecularExp(m *Material, newSpecularExp float64) {
+	m.specularExp = newSpecularExp
+}
+
 // Colors
 
 var RED = Vector3{255, 0, 0}