use static images to speed up rendering

src/cancergrowth/Cell.java

@@ -9,27 +9,74 @@ import java.awt.event.ActionEvent;
 import java.awt.event.ActionListener;
 import java.util.ArrayList;
 import java.util.Scanner;
+
 /*
  * File Name: Cell.java
  *   Created: Nov 7, 2018
  *    Author: 
  */
 
-
 public class Cell extends Object
 {
 
   private int xval;
   private int yval;
-  private Color myColor;
   private ArrayList<Integer> stages = new ArrayList<Integer>();
   private int currentStage;
   private int currentTime;
-  public Cell(int x, int y, Color C)
+  private static BufferedImage[] p1 = new BufferedImage[12];
+  private static final BufferedImage p2;
+  private static final BufferedImage p3;
+  private static final BufferedImage p4;
+
+  static
+  {
+    for (int count = 0; count < p1.length; count++)
+    {
+      BufferedImage g1 = new BufferedImage(50, 50, BufferedImage.TYPE_INT_ARGB);
+      Graphics gg1 = g1.getGraphics();
+      gg1.setColor(new Color(255, 0, 0, 127));
+      int width;
+      int pos;
+      width = (int) ((count + 1) * 2 + 22.5);
+      pos = (50 - width) / 2;
+      gg1.fillOval(pos, pos, width, width);
+      gg1.setColor(Color.BLACK);
+      gg1.drawOval(pos, pos, width, width);
+      gg1.drawString("G1", 18, 30);
+      p1[count] = g1;
+    }
+
+    BufferedImage s = new BufferedImage(50, 50, BufferedImage.TYPE_INT_ARGB);
+    Graphics gs = s.getGraphics();
+    gs.setColor(new Color(255, 255, 0, 127));
+    gs.fillOval(0, 0, 50, 50);
+    gs.setColor(Color.BLACK);
+    gs.drawOval(0, 0, 50, 50);
+    gs.drawString("S", 22, 30);
+    p2 = s;
+    BufferedImage g2 = new BufferedImage(50, 50, BufferedImage.TYPE_INT_ARGB);
+    Graphics gg2 = g2.getGraphics();
+    gg2.setColor(new Color(0, 255, 0, 127));
+    gg2.fillOval(0, 0, 50, 50);
+    gg2.setColor(Color.BLACK);
+    gg2.drawOval(0, 0, 50, 50);
+    gg2.drawString("G2", 18, 30);
+    p3 = g2;
+    BufferedImage m = new BufferedImage(50, 50, BufferedImage.TYPE_INT_ARGB);
+    Graphics gm = m.getGraphics();
+    gm.setColor(new Color(0, 0, 255, 127));
+    gm.fillOval(0, 0, 50, 50);
+    gm.setColor(Color.BLACK);
+    gm.drawOval(0, 0, 50, 50);
+    gm.drawString("M", 22, 30);
+    p4 = m;
+  }
+
+  public Cell(int x, int y)
   {
     xval = x;
     yval = y;
-    myColor = C;
     stages.add(10 + (int) (Math.random() * 3 - 1));
     stages.add(6 + (int) (Math.random() * 3 - 1));
     stages.add(3 + (int) (Math.random() * 3 - 1));
@@ -37,11 +84,6 @@ public class Cell extends Object
     currentTime = 0;
     currentStage = 0;
   }
-  @Override
-  public String toString()
-  {
-    return "(" + xval + ", " + yval + ")";
-  }
 
   public int getX()
   {
@@ -53,29 +95,31 @@ public class Cell extends Object
     return yval;
   }
 
-  public Color getColor()
+  /*public Color getColor()
   {
     return myColor;
-  }
+  }*/
-
+  public Cell performTime()
-  public int moveTo(int x, int y)
   {
-    xval = x;
+    this.currentTime++;
-    yval = y;
-    return 0;
-  }
-  public Cell performTime() {
-    this.currentTime ++;
     Cell newcell = this;
     //System.out.println("Increased Current Time to:" + this.currentTime);
-    if(this.currentTime > stages.get(this.currentStage)) { 
+    if (this.currentTime > stages.get(this.currentStage))
-      if(currentStage == 3) {
+    {
+      if (currentStage == 3)
+      {
         // SPLIT
-        int width = (int) (-50 + Math.random()*101);
+        int width = (int) (-50 + Math.random() * 101);
-        int height = (int) (-50 + Math.random()*101);
+        int height = (int) (-50 + Math.random() * 101);
-        while (width < 20 && width > -20) width = (int) (-50 + Math.random()*101);
+        while (width < 20 && width > -20)
-        while (height < 20 && height > -20) height = (int) (-50 + Math.random()*101);
+        {
-        newcell = new Cell(xval + width, yval + height, new Color(255, 0, 0));
+          width = (int) (-50 + Math.random() * 101);
+        }
+        while (height < 20 && height > -20)
+        {
+          height = (int) (-50 + Math.random() * 101);
+        }
+        newcell = new Cell(xval + width, yval + height);
         //stages = new ArrayList<Integer>();
         //stages.add(10 + (int) Math.random() * 3 - 1);
         //stages.add(7 + (int) Math.random() * 3 - 1);
@@ -86,14 +130,14 @@ public class Cell extends Object
         yval -= height;
         currentStage = 0;
         currentTime = 1;
-        myColor = new Color(255, 0, 0);
       }
-      else {
+      else
-        this.currentStage ++; 
+      {
+        this.currentStage++;
         this.currentTime = 0;
-        if(currentStage == 1) myColor = new Color(255, 255, 0);
+        //if(currentStage == 1) myColor = new Color(255, 255, 0, 100);
-        if(currentStage == 2) myColor = new Color(0, 255, 0);
+        //if(currentStage == 2) myColor = new Color(0, 255, 0, 100);
-        if(currentStage == 3) myColor = new Color(0, 0, 255);
+        //if(currentStage == 3) myColor = new Color(0, 0, 255, 100);
       }
     }
     return newcell;
@@ -101,39 +145,20 @@ public class Cell extends Object
 
   public Image getImage()
   {
-    Image canvas = new BufferedImage(50, 50, BufferedImage.TYPE_INT_ARGB);
+    if (currentStage == 0)
-    Graphics g = canvas.getGraphics();
+    {
-    
+      return p1[currentTime];
-    g.setColor(this.getColor());
-    
-    int width = 50;
-    int pos = 0;
-    if (currentStage == 0) {
-      width = (int) ((currentTime + 1) * 2 + 22.5);
-      pos = (50 - width) / 2;
     }
-    g.fillOval(pos, pos, width, width);
+    if (currentStage == 1)
-    g.setColor(Color.BLACK);
+    {
-    g.drawOval(pos, pos, width, width);
+      return p2;
-    StringBuilder x = new StringBuilder("");
-    if(currentStage == 0) x.append("G1");
-    if(currentStage == 1) x.append("S");
-    if(currentStage == 2) x.append("G2");
-    if(currentStage == 3) x.append("M");
-    g.drawString(x.toString(), 20, 30);
-    return canvas;
     }
-
+    if (currentStage == 2)
-  public Cell clone(int x, int y)
     {
-    Cell out = new Cell(x, y, getColor());
+      return p3;
-    return out;
     }
-  public Cell combine(Cell in) {
+    return p4;
-    int r = (this.getColor().getRed() + in.getColor().getRed()) / 2;
+    
-    int g = (this.getColor().getGreen() + in.getColor().getGreen()) / 2;
-    int b = (this.getColor().getBlue() + in.getColor().getBlue()) / 2;
-    Cell out = new Cell((in.getX() + this.getX())/2, (in.getY() + this.getY())/2, new Color(r, g, b));
-    return out;
   }
+
 }