Added Body class to be dropped by Enemy on death.

source/Game.cpp

@@ -43,7 +43,7 @@ Game::Game(const Vector2i& resolution) :
 		mCollection.insert(std::shared_ptr<Sprite>(new Cover(Vector2f(i, i), Vector2i(20, 20),
 				mWorld)), Collection::LEVEL_STATIC);
 	}
-	mCollection.insert(std::shared_ptr<Sprite>(new Enemy(mWorld, Vector2f(400.0f, 200.0f))),
+	mCollection.insert(std::shared_ptr<Sprite>(new Enemy(mWorld, Vector2f(400.0f, 200.0f), mCollection)),
 			Collection::LEVEL_ACTOR);
 }
 

source/abstract/Physical.cpp

@@ -19,7 +19,6 @@
 Physical::Physical(const PhysicalData& data) :
 		mDelete(false) {
 	assert(data.size != Vector2i());
-	assert(data.category);
 
 	b2BodyDef bodyDef;
 	bodyDef.type = 	(data.moving)

source/sprite/Body.cpp

@@ -0,0 +1,14 @@
+/*
+ * Body.cpp
+ *
+ *  Created on: 13.09.2012
+ *      Author: Felix
+ */
+
+#include "Body.h"
+
+Body::Body(b2World& world, const Vector2f& position) :
+		Sprite("body.png", PhysicalData(position, Vector2i(50, 50), world,
+			   CATEGORY_NONSOLID, MASK_NONE, false)) {
+}
+

source/sprite/Body.h

@@ -0,0 +1,19 @@
+/*
+ * Body.h
+ *
+ *  Created on: 13.09.2012
+ *      Author: Felix
+ */
+
+#ifndef DG_BODY_H_
+#define DG_BODY_H_
+
+#include "../abstract/Sprite.h"
+
+class Body : public Sprite {
+// Public functions.
+public:
+	Body(b2World& world, const Vector2f& position);
+};
+
+#endif /* DG_BODY_H_ */

source/sprite/Enemy.cpp

@@ -7,17 +7,28 @@
 
 #include "Enemy.h"
 
-Enemy::Enemy(b2World& world, const Vector2f& position) :
+#include "Body.h"
+
+Enemy::Enemy(b2World& world, const Vector2f& position, Collection& collection) :
 		Sprite("enemy.png", PhysicalData(position, Vector2i(50, 50), world,
 		       CATEGORY_ACTOR, MASK_ALL, true, false, true)),
-		Actor(100) {
+		Actor(100),
+		mWorld(world),
+		mCollection(collection) {
 
 }
 
 Enemy::~Enemy() {
+	// Insert here to avoid altering b2d data during timestep.
+	mCollection.insert(std::shared_ptr<Sprite>(new Body(mWorld, getPosition())),
+			Collection::LEVEL_STATIC);
 }
 
-
 void
 Enemy::onThink(float elapsedTime) {
 }
+
+void
+Enemy::onDeath() {
+	setDelete(true);
+}

source/sprite/Enemy.h

@@ -10,18 +10,24 @@
 
 #include "../abstract/Actor.h"
 #include "../abstract/Sprite.h"
-
+#include "../util/Collection.h"
 #include "../util/Vector.h"
 
 class Enemy : public Sprite, public Actor {
 // Public functions.
 public:
-	Enemy(b2World& world, const Vector2f& position);
+	Enemy(b2World& world, const Vector2f& position, Collection& collection);
 	~Enemy();
 
 // Private functions.
 private:
 	void onThink(float elapsedTime);
+	void onDeath();
+
+// Private variablese.
+private:
+	b2World& mWorld;
+	Collection& mCollection;
 };
 
 #endif /* DG_ENEMY_H_ */