Terrain collision.

js/Movable.js

@@ -40,6 +40,16 @@ export default class Movable
         return this.animations[this.currentAnimation].getRect();
     }
 
+    getWidth()
+    {
+        return this.getRect().width;
+    }
+
+    getHeight()
+    {
+        return this.getRect().height;
+    }
+
     getPositionFootLeft()
     {
         return new GeometryPoint(
@@ -50,7 +60,23 @@ export default class Movable
     getPositionFootRight()
     {
         return new GeometryPoint(
-            this.position.x + this.animations[this.currentAnimation].getWidth() * 0.5, this.position.y
+            this.position.x + this.getWidth() * 0.5, this.position.y
+        );
+    }
+
+    getPositionHeadLeft()
+    {
+        return new GeometryPoint(
+            this.position.x - this.animations[this.currentAnimation].getWidth() * 0.5,
+            this.position.y - this.animations[this.currentAnimation].getHeight()
+        );
+    }
+
+    getPositionHeadRight()
+    {
+        return new GeometryPoint(
+            this.position.x + this.getWidth() * 0.5,
+            this.position.y - this.animations[this.currentAnimation].getHeight()
         );
     }