Serpulo clouds

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

@@ -0,0 +1,40 @@
+package mindustry.graphics.g3d;
+
+import arc.graphics.*;
+import arc.math.geom.*;
+import arc.util.noise.*;
+import mindustry.*;
+import mindustry.graphics.*;
+import mindustry.type.*;
+
+public class HexSkyMesh extends PlanetMesh{
+
+    public HexSkyMesh(Planet planet, float radius, int divisions, Color color, int octaves, float persistence, float scl, float thresh){
+        super(planet, MeshBuilder.buildHex(new HexMesher(){
+            @Override
+            public float getHeight(Vec3 position){
+                return 1f;
+            }
+
+            @Override
+            public Color getColor(Vec3 position){
+                return color;
+            }
+
+            @Override
+            public boolean skip(Vec3 position){
+                return Simplex.noise3d(planet.id, octaves, persistence, scl, position.x, position.y * 3f, position.z) >= thresh;
+            }
+        }, divisions, false, planet.radius, radius), Shaders.clouds);
+    }
+
+    public HexSkyMesh(){
+    }
+
+    @Override
+    public void preRender(){
+        Shaders.clouds.lightDir.set(planet.solarSystem.position).sub(planet.position).rotate(Vec3.Y, planet.getRotation()).nor();
+        Shaders.clouds.ambientColor.set(planet.solarSystem.lightColor);
+        Shaders.clouds.alpha = 1f - Vars.ui.planet.planets.orbitAlpha;
+    }
+}