From 0101996b9150065bfd25131dca4f0a034fa7a1df Mon Sep 17 00:00:00 2001
From: Damien <damguillotin@gmail.com>
Date: Sat, 29 May 2021 12:21:10 +0200
Subject: [PATCH] planets random

---
 core/src/sagittarius/view/GameScreen.java | 61 ++++++++++++++++++-----
 1 file changed, 48 insertions(+), 13 deletions(-)

diff --git a/core/src/sagittarius/view/GameScreen.java b/core/src/sagittarius/view/GameScreen.java
index 26d9483..eb5f327 100644
--- a/core/src/sagittarius/view/GameScreen.java
+++ b/core/src/sagittarius/view/GameScreen.java
@@ -9,6 +9,7 @@ import com.badlogic.gdx.graphics.g2d.BitmapFont;
 import com.badlogic.gdx.math.MathUtils;
 import com.badlogic.gdx.math.Vector2;
 import com.badlogic.gdx.math.Vector3;
+import com.badlogic.gdx.scenes.scene2d.Actor;
 import com.badlogic.gdx.scenes.scene2d.Group;
 
 import sagittarius.SagittariusGame;
@@ -16,6 +17,19 @@ import sagittarius.model.*;
 
 public class GameScreen extends BaseScreen implements InputProcessor {
 
+    // ---------- GENERATION ----------
+    
+    public static int numberPlanets = 4;
+    public static int numberMoons = 2;
+    public static int minDistance = 400;
+    public static int maxDistance = 800;
+    public static int minMass = 500;
+    public static int maxMass = 1000;
+    public static int minRadius = 20;
+    public static int maxRadius = 150;
+
+
+
     // ---------- ATTRIBUTEs ----------
 
     public static BitmapFont fontDebug = new BitmapFont();
@@ -72,30 +86,51 @@ public class GameScreen extends BaseScreen implements InputProcessor {
         // planets & moons
         attractors = new Group();
 
-        Planet planet1 = new Planet(new Vector2(300, 200), 1000, 50, Color.BLUE);
-        attractors.addActor(planet1);
+        for (int i = 0; i < numberPlanets; i++) {
+            Vector2 position;
+            if (i == 0) {
+                position = new Vector2(0, 0);
+            } else {
+                int distance = minDistance + MathUtils.random(maxDistance - minDistance);
+                float angle =  2*MathUtils.PI*MathUtils.random();
+                float shortestDistance;
+                do {
+                    int index = MathUtils.random(i-1);
+                    Actor planet0 = attractors.getChild(index);
+                    position = new Vector2(distance * (float) Math.cos(angle), distance * (float) Math.sin(angle));
+                    position.add(planet0.getX(), planet0.getY());
 
-        Planet planet2 = new Planet(new Vector2(1200, 700), 3000, 200, Color.ORANGE);
-        attractors.addActor(planet2);
-
-        Moon moon2_1 = new Moon(planet2, 100, 70, 500, Color.MAGENTA);
-        attractors.addActor(moon2_1);
-
-        Planet planet3 = new Planet(new Vector2(1500, 100), 1000, 70, Color.PINK);
-        attractors.addActor(planet3);
+                    shortestDistance = maxDistance;
+                    for (int j = 0; j < i-1; j++) {
+                        Actor planet1 = attractors.getChild(j);
+                        float dx = planet1.getX() - position.x;
+                        float dy = planet1.getY() - position.y;
+                        float distanceToPlanet1 = (float) Math.sqrt(dx*dx + dy*dy);
+                        if (distanceToPlanet1 < shortestDistance) {
+                            shortestDistance = distanceToPlanet1;
+                        }
+                    }
+                } while (shortestDistance < minDistance);
+            }
+            int mass = minMass + MathUtils.random(maxMass - minMass);
+            int radius = minRadius + MathUtils.random(maxRadius - minRadius);
+            Color color = new Color((int)(Math.random() * 0x1000000));
+            Planet planet = new Planet(position, mass, radius, color);
+            attractors.addActor(planet);
+        }
 
         mainStage.addActor(attractors);
 
         // players
         players = new Group();
 
-        Player player1 = new Player(planet1, Color.RED);
+        Player player1 = new Player((Planet) attractors.getChild(0), Color.RED);
         players.addActor(player1);
 
-        Player player2 = new Player(planet2, Color.WHITE);
+        Player player2 = new Player((Planet) attractors.getChild(1), Color.WHITE);
         players.addActor(player2);
 
-        Player player3 = new Player(moon2_1, Color.YELLOW);
+        Player player3 = new Player((Planet) attractors.getChild(2), Color.YELLOW);
         players.addActor(player3);
 
         mainStage.addActor(players);