-validated- & -confirmed-
Cannon projectiles don't work on planet cores. Logs
```lines=10
java.lang.RuntimeException: TODO
at org.schema.game.common.controller.damage.projectile.ProjectileHandlerDefault.handle(ProjectileHandlerDefault.java:36)
at org.schema.game.common.controller.damage.projectile.ProjectileController.checkCollision(ProjectileController.java:317)
at org.schema.game.common.controller.damage.projectile.ProjectileController.updateParticle(ProjectileController.java:1093)
at org.schema.schine.graphicsengine.forms.particle.ParticleController.update(ParticleController.java:169)
at org.schema.game.common.controller.damage.projectile.ProjectileController.update(ProjectileController.java:1131)
at org.schema.game.client.controller.GameClientController.update(GameClientController.java:1237)
at org.schema.schine.graphicsengine.core.GLFrame.update(GLFrame.java:805)
at org.schema.schine.graphicsengine.core.GLFrame.doFrameAndUpdate(GLFrame.java:658)
at org.schema.schine.graphicsengine.core.GraphicsContext.mainLoop(GraphicsContext.java:854)
at org.schema.schine.graphicsengine.core.GraphicsContext.startUp(GraphicsContext.java:751)
at org.schema.game.client.controller.GameMainMenuController.startGraphics(GameMainMenuController.java:1158)
at org.schema.game.common.Starter.startMainMenu(Starter.java:1431)
at org.schema.game.common.Starter.main(Starter.java:974)
```