Group refactor: Texels working

RayTracer/shape/Group.cpp

@@ -40,11 +40,16 @@ std::optional<cam::Hit> Group::intersect(const cam::Ray& r) const {
 	if (result) {
 		result = std::optional<cam::Hit>(
 		    {transform.toWorld.transformPoint(result->point()),
-		     transform.toWorldN.transformDir(result->normal()),
+		     transform.toWorldN.transformDir(result->normal()), result->texel(),
 		     result->scalar(), result->material});
 	}
 	return result;
 }
+// Not used
+std::pair<float, float> Group::texture_coordinates(
+    const util::Vec3& pos) const {
+	return std::pair<float, float>({0, 0});
+}
 util::AxisAlignedBoundingBox Group::bounds() const {
 	return boundingVolume;
 }

RayTracer/shape/Group.h

@@ -14,6 +14,8 @@ class Group : public Shape {
 	Group(const util::Mat4& matrix, bool rebuildBB = true);
 
 	std::optional<cam::Hit> intersect(const cam::Ray& r) const override;
+	virtual std::pair<float, float> texture_coordinates(
+	    const util::Vec3& pos) const override;
 	util::AxisAlignedBoundingBox bounds() const override;
 	void setBounds(const util::AxisAlignedBoundingBox& bb);
 	void add(const Group& group);