fix: misc clean-up

examples/standard_platformer/lib/snowy_moving_platform.dart

@@ -1,44 +1,45 @@
 import 'package:flame/components.dart';
 import 'package:flame/flame.dart';
+import 'package:flutter/foundation.dart';
 import 'package:leap/leap.dart';
 import 'package:leap_standard_platformer/main.dart';
 import 'package:tiled/tiled.dart';
 
 class SnowyMovingPlatform extends MovingPlatform<ExamplePlatformerLeapGame> {
-  SnowyMovingPlatform(TiledObject tiledObject, this.sprite, double tileSize)
-      : super.fromTiledObject(tiledObject, tileSize) {
+  SnowyMovingPlatform(super.tiledObject) : super.fromTiledObject() {
     width = 16 * 6;
     height = 16 * 2;
     priority = 2;
+  }
+
+  @override
+  @mustCallSuper
+  Future<void> onLoad() async {
+    super.onLoad();
+
+    final tileset = await Flame.images.load('level_ice_tileset.png');
+    final sprite = Sprite(
+      tileset,
+      srcPosition: Vector2(97, 64),
+      srcSize: Vector2(16 * 6, 16 * 2),
+    );
 
     add(
       SpriteComponent(
         sprite: sprite,
       ),
     );
   }
-
-  final Sprite sprite;
 }
 
 class SnowyMovingPlatformFactory implements TiledObjectHandler {
-  late final Sprite sprite;
-
-  SnowyMovingPlatformFactory(this.sprite);
-
   @override
   void handleObject(TiledObject object, Layer layer, LeapMap map) {
-    final platform = SnowyMovingPlatform(object, sprite, map.tileSize);
+    final platform = SnowyMovingPlatform(object);
     map.add(platform);
   }
 
   static Future<SnowyMovingPlatformFactory> createFactory() async {
-    final tileset = await Flame.images.load('level_ice_tileset.png');
-    final sprite = Sprite(
-      tileset,
-      srcPosition: Vector2(97, 64),
-      srcSize: Vector2(16 * 6, 16 * 2),
-    );
-    return SnowyMovingPlatformFactory(sprite);
+    return SnowyMovingPlatformFactory();
   }
 }

examples/standard_platformer/pubspec.lock

@@ -125,10 +125,10 @@ packages:
     dependency: "direct main"
     description:
       name: flame
-      sha256: "4418cf72c53059241a2e9ddf8e783a01ae84caec31d7f6d30a19122b2c602748"
+      sha256: "8703abbdb3aec264f91823f8af3de4f1a14656326aff0f344d90484be97ee8e7"
       url: "https://pub.dev"
     source: hosted
-    version: "1.11.0"
+    version: "1.12.0"
   flame_audio:
     dependency: "direct main"
     description:
@@ -156,11 +156,10 @@ packages:
   flame_tiled:
     dependency: "direct main"
     description:
-      name: flame_tiled
-      sha256: "47f14dc87b92c252fc4b357b194f583817e93b7fb62880da2e7fe5abc3942c3b"
-      url: "https://pub.dev"
-    source: hosted
-    version: "1.18.0"
+      path: "../../../flame/packages/flame_tiled"
+      relative: true
+    source: path
+    version: "1.18.1"
   flutter:
     dependency: "direct main"
     description: flutter
@@ -201,7 +200,7 @@ packages:
       path: "../../packages/leap"
       relative: true
     source: path
-    version: "0.5.0"
+    version: "0.5.2"
   material_color_utilities:
     dependency: transitive
     description:

packages/leap/lib/src/entities/ladder.dart

@@ -8,6 +8,7 @@ abstract class Ladder<T extends LeapGame> extends PhysicalEntity<T> {
     super.position,
     super.size,
     this.topExtraHitbox = 0,
+    this.tiledObject,
   }) : super(static: true) {
     y = y - topExtraHitbox;
     height = height + topExtraHitbox;
@@ -23,6 +24,7 @@ abstract class Ladder<T extends LeapGame> extends PhysicalEntity<T> {
             tiledObject.height,
           ),
           topExtraHitbox: topExtraHitbox,
+          tiledObject: tiledObject,
         );
 
   // Extra hitbox is to make it easier for the ladder hitbox to
@@ -32,6 +34,9 @@ abstract class Ladder<T extends LeapGame> extends PhysicalEntity<T> {
 
   /// The actual top of the ladder
   double get logicalTop => top + topExtraHitbox;
+
+  /// [TiledObject] this was built from
+  final TiledObject? tiledObject;
 }
 
 /// The possible ladder movement states.

packages/leap/lib/src/entities/moving_platform.dart

@@ -1,6 +1,7 @@
 import 'dart:developer' as developer;
 
 import 'package:flame/extensions.dart';
+import 'package:flutter/foundation.dart';
 import 'package:leap/leap.dart';
 import 'package:tiled/tiled.dart';
 
@@ -9,10 +10,11 @@ import 'package:tiled/tiled.dart';
 abstract class MovingPlatform<T extends LeapGame> extends PhysicalEntity<T> {
   MovingPlatform({
     required Vector2 initialPosition,
-    required double tileSize,
-    required this.tilePath,
     required this.moveSpeed,
+    required this.tilePath,
     this.loopMode = MovingPlatformLoopMode.reverseAndLoop,
+    this.tiledObject,
+    super.size,
     // moving platforms should update before other entities so anything
     // standing on top of it from the previous frame can be properly moved
     // with the platform.
@@ -21,25 +23,22 @@ abstract class MovingPlatform<T extends LeapGame> extends PhysicalEntity<T> {
     tags.add(CommonTags.ground);
 
     position = initialPosition;
-
-    // Snap to the closes position on the tile grid
-    position.x = position.x - position.x % tileSize;
-    position.y = position.y - position.y % tileSize;
-
-    this.positionPath = _calculatePositionPath(position, tilePath, tileSize);
   }
 
   MovingPlatform.fromTiledObject(
     TiledObject tiledObject,
-    double tileSize,
   ) : this(
           initialPosition: Vector2(tiledObject.x, tiledObject.y),
+          size: Vector2(tiledObject.width, tiledObject.height),
           moveSpeed: _parseMoveSpeed(tiledObject),
           tilePath: _parseTilePath(tiledObject),
           loopMode: _parseLoopMode(tiledObject),
-          tileSize: tileSize,
+          tiledObject: tiledObject,
         );
 
+  /// [TiledObject] this was built from
+  final TiledObject? tiledObject;
+
   /// Move speed in tiles per second
   final Vector2 moveSpeed;
 
@@ -65,6 +64,14 @@ abstract class MovingPlatform<T extends LeapGame> extends PhysicalEntity<T> {
   bool _stopped = false;
 
   @override
+  @mustCallSuper
+  void onLoad() {
+    if (tiledObject != null) {}
+    this.positionPath = _calculatePositionPath(position, tilePath, tileSize);
+  }
+
+  @override
+  @mustCallSuper
   void update(double dt) {
     super.update(dt);
 

packages/leap/lib/src/physical_behaviors/collision/collision_detection_behavior.dart

@@ -185,7 +185,7 @@ class CollisionDetectionBehavior extends PhysicalBehavior {
         prevCollisionInfo.downCollision!.gridX >= 0 &&
         prevCollisionInfo.downCollision!.gridY >= 0) {
       final prevDown = prevCollisionInfo.downCollision!;
-      if (velocity.x > 0) {
+      if (velocity.x > 0 && prevDown.gridX < map.groundTiles.length - 1) {
         // Walking down slope to the right.
         final nextSlopeYDelta = prevDown.rightTop == 0 ? 1 : 0;
         final nextSlope = map.groundTiles[prevDown.gridX + 1]
@@ -195,7 +195,7 @@ class CollisionDetectionBehavior extends PhysicalBehavior {
         } else if (nextSlope != null && nextSlope.isSlopeFromRight) {
           collisionInfo.addDownCollision(nextSlope);
         }
-      } else if (velocity.x < 0) {
+      } else if (velocity.x < 0 && prevDown.gridX >= 1) {
         // Walking down slope to the left.
         final nextSlopeYDelta = prevDown.leftTop == 0 ? 1 : 0;
         final nextSlope = map.groundTiles[prevDown.gridX - 1]