Merge pull request #4 from delvh/feature/simplification

Simplified some calculations
This commit is contained in:
Kai S. K. Engelbart 2020-07-01 12:38:31 +00:00 committed by GitHub
commit a0b0c09e1d
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5 changed files with 33 additions and 61 deletions

View File

@ -1,6 +1,7 @@
package dev.lh;
import java.awt.*;
import java.util.Random;
import dev.lh.ui.GameWindow;
@ -56,7 +57,7 @@ public class FoodFactory {
private long timeOfNextFood;
Point pFood = null;
private Point pFood;
private Food nextFood = Food.white;
@ -75,27 +76,7 @@ public class FoodFactory {
* @since Snake 1.0
*/
public Food generateFood() {
int nextFoodIs = (int) Math.floor(Math.random() * 5);
switch (nextFoodIs) {
case 0:
nextFood = Food.white;
break;
case 1:
nextFood = Food.yellow;
break;
case 2:
nextFood = Food.orange;
break;
case 3:
nextFood = Food.red;
break;
case 4:
nextFood = Food.blue;
break;
default:
nextFood = generateFood();
}
nextFood = Food.values()[new Random().nextInt(Food.values().length)];
rectangleSize = nextFood.ordinal() + 2;
setTimeToNextFoodMillis();
return nextFood;
@ -107,7 +88,9 @@ public class FoodFactory {
*
* @since Snake 1.0
*/
public void setTimeToNextFoodMillis() { timeOfNextFood = System.currentTimeMillis() + (int) Math.round(Math.random() * 15000 + 1000); }
public void setTimeToNextFoodMillis() {
timeOfNextFood = System.currentTimeMillis() + new Random().nextInt(15000) + 1000;
}
/**
* @return the type of the next food
@ -134,12 +117,9 @@ public class FoodFactory {
* @since Snake 1.0
*/
public Point generateFoodLocation(int width, int height) {
pFood = new Point((int) Math.round(Math.random() * width), (int) Math.round(Math.random() * height));
if (pFood.x < 50 || pFood.x > width - 50 || pFood.y < 50 || pFood.y > height - 50) {
pFood.x = (pFood.x < 50) ? 50 : (pFood.x > width - 50) ? width - 50 : pFood.x;
pFood.y = (pFood.y < 50) ? 50 : (pFood.y > height - 50) ? height - 50 : pFood.y;
}
return pFood;
assert (width > 100 && height > 100);
Random r = new Random();
return pFood = new Point(r.nextInt(width - 100) + 50, r.nextInt(height - 100) + 50);
}
/**
@ -178,7 +158,7 @@ public class FoodFactory {
case blue:
g.setColor(Color.blue);
break;
}// switch
}
}
/**

View File

@ -1,9 +1,6 @@
package dev.lh;
import java.awt.Color;
import java.awt.Graphics;
import java.awt.Point;
import java.awt.Rectangle;
import java.awt.*;
import java.util.ArrayList;
import java.util.List;
@ -54,7 +51,7 @@ public class Snake implements Updateable {
private static FoodFactory foodFactory = FoodFactory.getInstance();
private static Endscreen endscreen;
private Direction Richtung;
private Direction direction;
private int length;
private List<Point> tiles = new ArrayList<>();
private final int snakeSize = 10;
@ -67,7 +64,7 @@ public class Snake implements Updateable {
*/
public Snake(int length) {
this.length = length;
Richtung = Direction.Right;
direction = Direction.Right;
// adding the initial tiles of the snake
for (int i = 0; i < length; i++)
tiles.add(new Point(320 - snakeSize * i, 240));
@ -114,12 +111,12 @@ public class Snake implements Updateable {
* @return the current {@link Direction} of the snake
* @since Snake 1.0
*/
public Direction getRichtung() { return Richtung; }
public Direction getRichtung() { return direction; }
@Override
public void nextFrame() {
int velX = 0, velY = 0;
switch (Richtung) {
switch (direction) {
case Up:
velY = -snakeSize;
break;
@ -173,8 +170,8 @@ public class Snake implements Updateable {
}
/**
* @param richtung the new {@link Direction} of the snake
* @param direction the new {@link Direction} of the snake
* @since Snake 1.0
*/
public void setRichtung(Direction richtung) { Richtung = richtung; }
public void setDirection(Direction direction) { this.direction = direction; }
}

View File

@ -54,7 +54,6 @@ public class Endscreen extends JDialog {
Image resultImage = Toolkit.getDefaultToolkit()
.getImage(this.getClass().getResource((score < goodOrBadResult) ? "/Try_Again.jpg" : "/1211548-200.png"));
resultImage.flush();
} catch (Exception e) {
e.printStackTrace();
}

View File

@ -33,7 +33,6 @@ public class GameWindow extends JFrame {
*/
public GameWindow(String title) {
super(title);
newFood();
Dimension size = Toolkit.getDefaultToolkit().getScreenSize();
setBounds(new Rectangle(size));
setLocation(0, 0);
@ -67,41 +66,47 @@ public class GameWindow extends JFrame {
switch (e.getKeyCode()) {
case KeyEvent.VK_W:
case KeyEvent.VK_UP:
if (!s.getRichtung().equals(Direction.Down)) s.setRichtung(Direction.Up);
if (!s.getRichtung().equals(Direction.Down)) s.setDirection(Direction.Up);
break;
case KeyEvent.VK_A:
case KeyEvent.VK_LEFT:
if (!s.getRichtung().equals(Direction.Right)) s.setRichtung(Direction.Left);
if (!s.getRichtung().equals(Direction.Right)) s.setDirection(Direction.Left);
break;
case KeyEvent.VK_S:
case KeyEvent.VK_DOWN:
if (!s.getRichtung().equals(Direction.Up)) s.setRichtung(Direction.Down);
if (!s.getRichtung().equals(Direction.Up)) s.setDirection(Direction.Down);
break;
case KeyEvent.VK_D:
case KeyEvent.VK_RIGHT:
if (!s.getRichtung().equals(Direction.Left)) s.setRichtung(Direction.Right);
if (!s.getRichtung().equals(Direction.Left)) s.setDirection(Direction.Right);
break;
}
}
});
newFood();
timer = new Timer(
50,
evt -> { s.nextFrame(); if (System.currentTimeMillis() >= foodFactory.getTimeOfNextFood()) newFood(); repaint(); });
evt -> {
s.nextFrame();
if (System.currentTimeMillis() >= foodFactory.getTimeOfNextFood())
newFood();
repaint();
}
);
timer.start();
setVisible(true);
}
/**
* Generates new food
* Generates new food.
*
* @since Snake 1.1
*/
public void newFood() {
foodFactory.generateFood();
foodFactory.generateFoodLocation(getWidth(), getHeight());
repaint();
}
/**

View File

@ -25,7 +25,7 @@ public class StartScreen extends JFrame {
private JPanel contentPane;
/**
* closes the application.
* Closes the application.
*/
public static void close() { System.exit(0); }
@ -36,14 +36,7 @@ public class StartScreen extends JFrame {
* @since Snake 1.0
*/
public static void main(String[] args) {
EventQueue.invokeLater(() -> {
try {
StartScreen frame = new StartScreen();
frame.setVisible(true);
} catch (Exception e) {
e.printStackTrace();
}
});
EventQueue.invokeLater(StartScreen::new);
}
/**
@ -65,7 +58,6 @@ public class StartScreen extends JFrame {
buPlay.setMnemonic(KeyEvent.VK_ENTER);
buPlay.setFont(new Font("Times New Roman", Font.PLAIN, 16));
buPlay.addActionListener(a -> {
Main.startGame();
setVisible(false);
dispose();
@ -73,9 +65,8 @@ public class StartScreen extends JFrame {
});
contentPane.add(buPlay);
contentPane.setLayout(null);
setVisible(true);
} catch (Exception e) {
e.printStackTrace();
}
}