Cleanup

core/src/mindustry/graphics/g3d/PlanetMesh.java

@@ -3,10 +3,11 @@ package mindustry.graphics.g3d;
 import arc.graphics.*;
 import arc.graphics.gl.*;
 import arc.math.geom.*;
+import arc.util.*;
 import mindustry.type.*;
 
 /** Defines a mesh that is rendered for a planet. Subclasses provide a mesh and a shader. */
-public abstract class PlanetMesh{
+public abstract class PlanetMesh implements Disposable{
     protected final Mesh mesh;
     protected final Planet planet;
     protected final Shader shader;
@@ -28,4 +29,9 @@ public abstract class PlanetMesh{
         shader.apply();
         mesh.render(shader, Gl.triangles);
     }
+
+    @Override
+    public void dispose(){
+        mesh.dispose();
+    }
 }