Update readme

Author: emmabritton

src/scenes/scene_game_win.rs

@@ -1,14 +1,15 @@
 use crate::puzzle_size::PuzzleSize;
 use crate::sfx::stop_bgm;
-use crate::{SFX_CONGRATS, Scene, SceneAction, SceneMusic, bg_gfx, sprites};
-use agb::display::object::{AffineMatrixObject, AffineMode, GraphicsMode, Object, ObjectAffine};
+use crate::{bg_gfx, sprites, Scene, SceneAction, SceneMusic, SFX_CONGRATS};
+use agb::display::object::{AffineMatrixObject, AffineMode, GraphicsMode, Object, ObjectAffine, Sprite};
 use agb::display::tiled::RegularBackgroundSize::Background32x32;
 use agb::display::tiled::{RegularBackground, TileFormat, VRAM_MANAGER};
 use agb::display::{AffineMatrix, GraphicsFrame, Priority};
-use agb::fixnum::{Num, Vector2D, num, vec2};
+use agb::fixnum::{num, vec2, Num, Vector2D};
 use agb::input::{Button, ButtonController};
 use agb::sound::mixer::{ChannelId, Mixer, SoundChannel};
 use alloc::boxed::Box;
+use core::ops::Sub;
 
 const DURATION: i32 = 50;
 const IMG_DURATION: f32 = 80.0;
@@ -21,7 +22,8 @@ pub struct GameWinScene {
     background: RegularBackground,
     puzzle_size: PuzzleSize,
     music_enabled: bool,
-    puzzle_sprite: ObjectAffine,
+    puzzle_sprite: &'static Sprite,
+    scale: Num<i32, 4>
 }
 
 impl GameWinScene {
@@ -31,20 +33,13 @@ impl GameWinScene {
             RegularBackground::new(Priority::P3, Background32x32, TileFormat::FourBpp);
         background.fill_with(&bg_gfx::win);
 
-        let num: Num<i32, 8> = num!(0.5);
-
-        let puzzle_sprite = ObjectAffine::new(
-            puzzle_size.images().sprite(game_idx),
-            AffineMatrixObject::new(AffineMatrix::from_scale(Vector2D::new(num, num))),
-            AffineMode::AffineDouble,
-        );
-
         Box::new(Self {
             anim_timer: 0,
             background,
             puzzle_size,
             music_enabled,
-            puzzle_sprite,
+            puzzle_sprite: puzzle_size.images().sprite(game_idx),
+            scale: num!(0.5)
         })
     }
 }
@@ -63,6 +58,7 @@ impl Scene for GameWinScene {
     }
 
     fn update(&mut self, buttons: &ButtonController, mixer: &mut Mixer) -> Option<SceneAction> {
+        self.scale = self.scale.sub(num!(0.01)).max(num!(0.5));
         if self.music_enabled && self.anim_timer == 4 {
             let mut music = SoundChannel::new_high_priority(SFX_CONGRATS);
             music.stereo();
@@ -77,10 +73,16 @@ impl Scene for GameWinScene {
     }
 
     fn show(&mut self, graphics: &mut GraphicsFrame) {
+        let obj = ObjectAffine::new(
+            self.puzzle_sprite,
+            AffineMatrixObject::new(AffineMatrix::from_scale(Vector2D::new(self.scale, self.scale))),
+            AffineMode::AffineDouble,
+        );
+
         draw_bg_and_image(
             &mut self.anim_timer,
             self.puzzle_size,
-            &mut self.puzzle_sprite,
+            obj,
             &self.background,
             graphics,
         );
@@ -92,7 +94,7 @@ impl Scene for GameWinScene {
 fn draw_bg_and_image(
     anim_timer: &mut u16,
     puzzle_size: PuzzleSize,
-    puzzle_sprite: &mut ObjectAffine,
+    mut puzzle_sprite: ObjectAffine,
     background: &RegularBackground,
     graphics: &mut GraphicsFrame,
 ) {