Persist style state across frames.

Author: tychedelia

crates/processing_render/src/graphics.rs

@@ -396,7 +396,7 @@ pub fn begin_draw(In(entity): In<Entity>, mut state_query: Query<&mut RenderStat
     let mut state = state_query
         .get_mut(entity)
         .map_err(|_| ProcessingError::GraphicsNotFound)?;
-    state.reset();
+    state.begin_frame();
     Ok(())
 }
 

crates/processing_render/src/render/mod.rs

@@ -122,6 +122,11 @@ impl RenderState {
         self.shape_builder = None;
     }
 
+    pub fn begin_frame(&mut self) {
+        self.transform = TransformStack::new();
+        self.shape_builder = None;
+    }
+
     pub fn fill_is_transparent(&self) -> bool {
         self.fill_color.map(|c| c.alpha() < 1.0).unwrap_or(false)
     }