dvorakmortonxd/space-sim
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refined and continued the rocket animation, prepared the parachute asset files

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This commit is contained in:
Martin Dvořák 2026-10-20 00:17:46 +02:00
commit bd1faa2f5e
4 changed files with 52 additions and 33 deletions
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35
src/main/java/dev/dvorakmortonxd/Game.java
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@ -59,11 +59,16 @@ public class Game extends JPanel implements ActionListener, KeyListener {
private boolean hoveringOverQuitButton = false;
private BufferedImage rocket;
private BufferedImage rocketTop;
private BufferedImage rocketBottom;
private BufferedImage rocketExhaust;
private int rocketYPre = windowHeight/2-125;
private int rocketY = windowHeight/2-125;
private int rocketExhaustY = rocketY;
private float opacityAnimation = 0.05f;
private int rocketBottomX;
private int rocketBottomY;
private float opacityAnimation = 0.03f;
private int detachTimer = 0;
public Game() {
// sets the window size
@ -90,6 +95,8 @@ public class Game extends JPanel implements ActionListener, KeyListener {
buttonH = ImageIO.read(new File("assets/button_highlighted.png"));
rocket = ImageIO.read(new File("assets/rocket.png"));
rocketExhaust = ImageIO.read(new File("assets/rocket_exhaust.png"));
rocketTop = ImageIO.read(new File("assets/rocket_top.png"));
rocketBottom = ImageIO.read(new File("assets/rocket_bottom.png"));
} catch (IOException e) {
e.printStackTrace();
}
@ -126,7 +133,7 @@ public class Game extends JPanel implements ActionListener, KeyListener {
}
}
if (level == 1) { planetY = planetYPre + hoverYOffset / 6; }
if (level == 2) { rocketY = rocketYPre + hoverYOffset / 3; rocketExhaustY = rocketYPre + 150 + hoverYOffset / 2;}
if (level == 2) { rocketY = rocketYPre + hoverYOffset / 3; rocketExhaustY = rocketYPre + 150 + hoverYOffset / 2; detachTimer++;}
repaint(); // triggers render
}
@ -188,12 +195,22 @@ public class Game extends JPanel implements ActionListener, KeyListener {
for (int i = 0; i < MENU_STAR_COUNT; i++) { // drawing the stars
g.fillOval(starX[i]-starSize, starY[i]-starSize, starSize, starSize);
}
if (detachTimer < 240) {
Graphics2D g2 = (Graphics2D) g;
g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, opacityAnimation));
g2.drawImage(rocketExhaust, windowWidth / 2 - 25, rocketExhaustY, 50, 100, this);
g2.setComposite(AlphaComposite.SrcOver); // reset so nothing else is transparent
g.drawImage(rocket, windowWidth / 2 - 73, rocketY, 147, 234, this);
} else {
g.drawImage(rocketTop, windowWidth / 2 - 73, rocketY - hoverYOffset / 3, 147, 84, this);
Graphics2D g2 = (Graphics2D) g;
rocketBottomX = windowWidth / 2 - 73;
rocketBottomY = rocketY - hoverYOffset / 3 + 64 + (detachTimer - 240) * 2;
g2.rotate(Math.toRadians((detachTimer-240)/3), rocketBottomX + 147 / 2, rocketBottomY + 171 / 2);
g2.drawImage(rocketBottom, rocketBottomX, rocketBottomY, 147, 171, this);
}
if (levelProgress) {
g.setColor(Color.BLACK);
@ -223,6 +240,7 @@ public class Game extends JPanel implements ActionListener, KeyListener {
addMouseListener(new MouseAdapter() {
@Override
public void mousePressed(MouseEvent e) {
if (level == 1) {
if (e.getButton() == MouseEvent.BUTTON1 && hoveringOverQuitButton) {
quitButtonX = quitButtonX - 5;
quitButtonY = quitButtonY + 5;
@ -232,16 +250,17 @@ public class Game extends JPanel implements ActionListener, KeyListener {
playButtonY = playButtonY + 5;
}
if (e.getButton() == MouseEvent.BUTTON1 && hoveringOverPlanet) {
planetX = planetX-5;
planetYPre = planetYPre+5;
planetX = planetX - 2;
planetYPre = planetYPre + 2;
}
}
}
});
addMouseListener(new MouseAdapter() {
@Override
public void mouseReleased(MouseEvent e) {
if (level == 1) {
if (e.getButton() == MouseEvent.BUTTON1 && hoveringOverQuitButton) {
quitButtonX = quitButtonX + 5;
quitButtonY = quitButtonY - 5;
@ -253,10 +272,10 @@ public class Game extends JPanel implements ActionListener, KeyListener {
levelProgress = true;
}
if (e.getButton() == MouseEvent.BUTTON1 && hoveringOverPlanet) {
planetX = planetX+5;
planetYPre = planetYPre-5;
planetX = planetX + 2;
planetYPre = planetYPre - 2;
}
}
}
});
}