fix edge detection

Author: mikebarkmin

CHANGELOG.md

@@ -4,6 +4,10 @@ index: 4
 lang: en
 ---
 
+## 4.15.1
+
+- 🐛 Fix: Edge detection not working correctly.
+
 ## 4.15.0
 
 - 🚀 Feat: All methods return a color now return a Color object.

resources/build.properties

@@ -40,7 +40,7 @@ author.url=https://openpatch.org
 # This is NOT a direct link to where to download it.
 
 library.url=https://github.com/openpatch/scratch-for-java
-library.version=4.15.0
+library.version=4.15.1
 
 
 # Set the category (or categories) of your Library from the following list:

src/org/openpatch/scratch/Sprite.java

@@ -643,12 +643,16 @@ public void ifOnEdgeBounce() {
 
     if (h.intersects(this.stage.leftBorder)) {
       this.setDirection(-this.getDirection());
+      this.setX(-this.stage.getWidth() / 2 + this.getWidth() / 2);
     } else if (h.intersects(this.stage.rightBorder)) {
       this.setDirection(-this.getDirection());
+      this.setX(this.stage.getWidth() / 2 - this.getWidth() / 2);
     } else if (h.intersects(this.stage.topBorder)) {
       this.setDirection(-this.getDirection() - 180);
+      this.setY(this.stage.getHeight() / 2 - this.getHeight() / 2);
     } else if (h.intersects(this.stage.bottomBorder)) {
       this.setDirection(-this.getDirection() - 180);
+      this.setY(-this.stage.getHeight() / 2 + this.getHeight() / 2);
     }
   }
 

src/org/openpatch/scratch/Stage.java

@@ -200,18 +200,18 @@ public Stage(int width, final int height, boolean fullScreen, String assets) {
     p.addPoint(this.getWidth() / 2, -this.getHeight() / 2);
     this.rightBorder = new Hitbox(p);
 
-    p = new Polygon();
-    p.addPoint(-this.getWidth() / 2, this.getHeight() / 2);
-    p.addPoint(-this.getWidth() / 2, this.getHeight() / 2 + 5);
-    p.addPoint(this.getWidth() / 2, this.getHeight() / 2 + 5);
-    p.addPoint(this.getWidth() / 2, this.getHeight() / 2);
-    this.topBorder = new Hitbox(p);
-
     p = new Polygon();
     p.addPoint(-this.getWidth() / 2, -this.getHeight() / 2);
     p.addPoint(-this.getWidth() / 2, -this.getHeight() / 2 - 5);
     p.addPoint(this.getWidth() / 2, -this.getHeight() / 2 - 5);
     p.addPoint(this.getWidth() / 2, -this.getHeight() / 2);
+    this.topBorder = new Hitbox(p);
+
+    p = new Polygon();
+    p.addPoint(-this.getWidth() / 2, this.getHeight() / 2);
+    p.addPoint(-this.getWidth() / 2, this.getHeight() / 2 + 5);
+    p.addPoint(this.getWidth() / 2, this.getHeight() / 2 + 5);
+    p.addPoint(this.getWidth() / 2, this.getHeight() / 2);
     this.bottomBorder = new Hitbox(p);
   }