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Fixed bug when running in a headless system, isolated UI so program c…
…an launch without crashing
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nanoandrew4
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Aug 31, 2017
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,98 @@ | ||
| package gc; | ||
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| import javafx.application.Application; | ||
| import javafx.scene.Scene; | ||
| import javafx.scene.layout.Pane; | ||
| import javafx.scene.paint.Paint; | ||
| import javafx.scene.shape.Circle; | ||
| import javafx.scene.text.Font; | ||
| import javafx.scene.text.Text; | ||
| import javafx.stage.Stage; | ||
| import kn.uni.voronoitreemap.j2d.Point2D; | ||
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| import java.util.Random; | ||
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| public class UI extends Application { | ||
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| static Pane pane; | ||
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| private Point2D[] circles; | ||
| static Circle geneticCircle; | ||
| private Random rand; | ||
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| private int largestRadius, seed = (int)Main.seed; | ||
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| private static Text genText; | ||
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| public static void main(String[] args) { | ||
| Application.launch(args); | ||
| } | ||
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| @Override | ||
| public void start(Stage primaryStage) throws Exception { | ||
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| rand = new Random(seed); | ||
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| // depending on window size, encoded chromosome length will vary due to more digits being present to represent bigger numbers | ||
| if (GlobalVars.screenHeight > GlobalVars.screenWidth) { | ||
| Main.geneLength = Integer.toBinaryString(GlobalVars.screenHeight).length(); | ||
| Chromosome.maxSize = GlobalVars.screenWidth / 2; | ||
| } else { | ||
| Main.geneLength = Integer.toBinaryString(GlobalVars.screenWidth).length(); | ||
| Chromosome.maxSize = GlobalVars.screenHeight / 2; | ||
| } | ||
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| pane = new Pane(); | ||
| Scene scene = new Scene(pane, GlobalVars.screenWidth, GlobalVars.screenHeight); | ||
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| circles = new Point2D[rand.nextInt(85) + 15]; | ||
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| // see fitness class for specification on what it does, returns largest radius that can be drawn in the window | ||
| CircleData cd = new Fitness().getBiggestCircle(circles, rand, false); | ||
| largestRadius = cd.radius; | ||
| System.out.println("largest radius: " + cd.radius); | ||
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| // add static circles to display | ||
| for (Point2D circle : circles) | ||
| pane.getChildren().add(new Circle(circle.getX(), circle.getY(), GlobalVars.circlesRadius)); | ||
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| // draw largest circle as determined by the voronoi diagram | ||
| pane.getChildren().add(new Circle(cd.coords.getX(), cd.coords.getY(), cd.radius, Paint.valueOf("green"))); | ||
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| // sets graphics elements | ||
| geneticCircle = new Circle(-10, -10, 1); | ||
| pane.getChildren().add(geneticCircle); | ||
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| genText = new Text(10, 30, "Generation: 0"); | ||
| genText.setFont(Font.font(20)); | ||
| pane.getChildren().add(genText); | ||
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| primaryStage.setScene(scene); | ||
| primaryStage.show(); | ||
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| // launches genetic algorithm thread | ||
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| GeneticAlgorithm gA = new GeneticAlgorithm(circles, (int)seed, largestRadius); | ||
| Thread t = new Thread(gA); | ||
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| t.setDaemon(true); | ||
| t.setPriority(Thread.MAX_PRIORITY); | ||
| t.start(); | ||
| } | ||
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| // draws best circle from the generation and updates text | ||
| static void draw(int x, int y, int radius, int gen) { | ||
| //pane.getChildren().remove(geneticCircle); | ||
| //geneticCircle = new Circle(x, y, radius, Paint.valueOf("red")); | ||
| //pane.getChildren().add(geneticCircle); | ||
| genText.setText("Generation: " + gen); | ||
| } | ||
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| // draws final circle that conforms to specifications | ||
| static void draw(Circle c, int gen) { | ||
| pane.getChildren().remove(geneticCircle); | ||
| geneticCircle = c; | ||
| pane.getChildren().add(geneticCircle); | ||
| genText.setText("Final generation: " + gen); | ||
| } | ||
| } |