fn Shape::transform() & co.

[mkovaxx]

Could be mutable

• transform(&mut self, &DMat4)
• translate(&mut self, &DVec3)
• rotate(&mut self, &DQuat)

Or immutable

• transformed(&self, &DMat4) -> Self
• translated(&self, &DVec3) -> Self
• rotated(&self, &DQuat) -> Self