source: galcon-client/src/com/example/helloandroid/Planet.java@ c27abf4

package com.example.helloandroid;

import java.util.ArrayList;

import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.Paint.FontMetrics;

public class Planet {
        int radius;
        int regenRate;  // ships per second
        private int x;
        private int y;
        int faction;
        int numShips;
        boolean selected;
        private Bitmap selection;
        
        public Planet(int radius, int x, int y) {
                this.radius = radius;
                this.x = x;
                this.y = y;
                faction = 0;
                numShips = 0;
                selected = false;
                
                regenRate = 0;  //change this to some expression / funcion call
                
                int size = getRadius()+15;
                
                selection = Bitmap.createBitmap(size*2, size*2, Bitmap.Config.ARGB_8888);
                Canvas c = new Canvas(selection);
                c.drawColor(Color.argb(0, 0, 0, 0));
                
                Paint p = new Paint();
        p.setAntiAlias(true);
                
                p.setColor(Color.argb(255, 255, 255, 255));
                c.drawCircle(size, size, getRadius()+9, p);
                
                p.setColor(Color.argb(255, 100, 100, 100));
                c.drawCircle(size, size, getRadius()+5, p);
                
                for(int i=0; i<size*2; i++) {
                        for(int j=0; j<size*2; j++) {
                                if(selection.getPixel(i,j) == Color.argb(255, 100, 100, 100))
                                        selection.setPixel(i, j, Color.argb(0, 0, 0, 0));
                        }
                }
        }
        
        public int getX() {
                return x;
        }
        
        public int getY() {
                return y;
        }
        
        public int getRadius() {
                return radius;
        }
        
        public int getNumShips() {
                return numShips;
        }
        
        public boolean isSelected() {
                return selected;
        }
        
        public void setNumShips(int num) {
                numShips = num;
        }

        public void setFaction(int faction) {
                this.faction = faction;
        }
        
        public void select() {
                selected = true;
        }
        
        public void unselect() {
                selected = false;
        }
        
        public void draw(Canvas canvas, Paint linePaint, Paint textPaint) {
                FontMetrics metrics = textPaint.getFontMetrics();
                
                int c, prevC = linePaint.getColor();
                
                switch(faction) {
                case 0:
                        c = Color.argb(255, 100, 100, 100);
                        break;
                case 1:
                        c = Color.argb(255, 255, 0, 0);
                        break;
                case 2:
                        c = Color.argb(255, 0, 255, 0);
                        break;
                case 3:
                        c = Color.argb(255, 0, 0, 255);
                        break;
                case 4:
                        c = Color.argb(255, 255, 255, 0);
                        break;
                default:
                        c = prevC;
                }
                
                linePaint.setColor(c);
                
                canvas.drawCircle(x, y, getRadius(), linePaint);
        canvas.drawText(Integer.toString(numShips), x-textPaint.measureText(Integer.toString(numShips))/2, y-(metrics.ascent+metrics.descent)/2, textPaint);
        
        linePaint.setColor(prevC);
        }
        
        public void drawSelectionCircle(Canvas canvas) {
                int size = getRadius()+15;
                
                canvas.drawBitmap(selection, x-size, y-size, null);
        }
        
        public void update() {
                if(faction != 0)
                        numShips++;
                
        }
        
        public void sendFleet(Planet p, int numShips) {
                
        }
        
        public boolean contains(int x, int y) {
                double dist = Math.sqrt(Math.pow(this.x-x, 2) + Math.pow(this.y-y, 2));
                
                return dist <= this.radius;
        }
        
        public boolean collides(Planet p) {
                double dist = Math.sqrt(Math.pow(this.x-p.x, 2) + Math.pow(this.y-p.y, 2));
                
                return dist <= this.radius + p.radius;
        }
        
        public static boolean collisionDetected(Planet p, ArrayList<Planet> curPlanets) {
                for(Planet p2 : curPlanets) {
                        if(p.collides(p2))
                                return true;
                }
                
                return false;
        }
}