During Sasuke's "evil phase", the anime shows us his advancement along the different stages of the SusanooSusano'o. The most noticable thing is that Sasuke's SusanooSusano'o responds with his feelings, more like it feeds of his anger. During his fight with Danzo, sasukeSasuke becomes really enraged at how Danzo talks about itachiItachi and his SusanooSusano'o starts developing flesh and its eyes light up. Later on in the fight, Sasuke screams and his SusanoSusano'o further develops an offensive weapon and even starts using arrows. (His SusanooSusano'o had 2 major powerups while he was against Danzo) [flesh and an offensive weapon]
During that moment obito, Obito even mentioned that "His hatred has matured and gained in power" (he says it a bit differently from how the manga does. Shippuden Episode 210).
So does this mean that the only way to advance the SusanooSusano'o is through negative emotions? I want to clarify this cause the Wiki doesntdoesn't explicitly state how the SusanooSusano'o morphs from bones to full clothed Armorarmor. The only Sharingan user that the anime really focuses on in terms of SusanoSusano'o development is Sasuke. SOSo, its hard to actually generalize this concept of hatred feeding SusanoSusano'o for all sharinganSharingan users. (I'm not sure if i missed something)