Keep original values on object creation | Java Community | Help. Code. Learn. | Page 1

unreal trout Sep 11, 2024, 6:12 PM

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Hello!
I need to call every once in a while a certain function with all values in a list, and when defining this list I use some loops
Here's my code for it below for example ```java
for (int i = 0; i < particleCount; i++) {
final float ratio = (float) i / (particleCount - 1);
final double x = interpolate(aX, bX, ratio);
final double y = startY + 0.25;
final double z = interpolate(aZ, bZ, ratio);

particles.add(new Particles(Particle.DUST, x, y, z, 1, 0, 0, 0, 0, new Particle.DustOptions(Color.RED, 1))); // did the same with Runnables before, but it did the same issue

}My issue with it, is that when calling all particles, they all have the same values `x`, `y` and `z`, from the last particle added, as you can see in the logs below:
[20:05:06 INFO]: X:4.5 , Y:4.5 , Z:100.25
[20:05:06 INFO]: X:4.5 , Y:4.5 , Z:100.25
[20:05:06 INFO]: X:4.5 , Y:4.5 , Z:100.25
[20:05:06 INFO]: X:4.5 , Y:4.5 , Z:100.25
[20:05:06 INFO]: X:4.5 , Y:4.5 , Z:100.25
[20:05:06 INFO]: X:4.5 , Y:4.5 , Z:100.25
... some more lines saying the same thing

Thanks in advance!

opal summitBOT Sep 11, 2024, 6:12 PM

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Hey @unreal trout! Please use /close or the Close Post button above when your problem is solved. Please remember to follow the help guidelines. This post will be automatically closed after 300 minutes of inactivity.

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opal summitBOT Sep 11, 2024, 11:20 PM

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opal summitBOT Sep 12, 2024, 5:10 AM

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fathom copper Sep 12, 2024, 5:58 AM

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are you sure you are printing right objects and not the same everytime? @unreal trout

unreal trout Sep 12, 2024, 6:00 AM

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fathom copper are you sure you are printing right objects and not the same everytime? <@456226...

When calling the objects in my repeating task, I just print the values of each Particles object, which logs me the same thing.
In the loop where I create them, the values are different when logging them

fathom copper Sep 12, 2024, 6:01 AM

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show more code

unreal trout Sep 12, 2024, 6:02 AM

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fathom copper show more code

I'll do it when I'm home if needed

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Added a reminder

opal summitBOT Sep 12, 2024, 11:10 AM

#

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This post has been inactive for over 300 minutes, thus, it has been archived.
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unreal trout Sep 12, 2024, 4:52 PM

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fathom copper show more code

hey i'm back

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private static final ArrayList<Particles> particles = new ArrayList<>();

public static void execute(World world) {
    particles.clear();

    final double startX = 0.5, startY = 100, startZ = 0.5;

    final int particleCount = 20;
    Bukkit.getScheduler().runTaskTimer(Plugin.getInstance(), new Consumer<>() {
        int currentOffset = 0;

        @Override
        public void accept(BukkitTask task) {
            // offsets is just a list of Vector2d
            Vector2d a = offsets.get(currentOffset), b = offsets.get((currentOffset++) % offsets.size());
            double aX = a.x + startX, aZ = a.y + startZ;
            double bX = b.x + startX, bZ = b.y + startZ;

            for (int i = 0; i < particleCount; i++) {
                final float ratio = (float) i / (particleCount - 1);
                final double x = interpolate(aX, bX, ratio);
                final double y = startY + 0.25;
                final double z = interpolate(aZ, bZ, ratio);

                // particles.add(() -> world.spawnParticle(Particle.DUST, x, y, z, 1, 0, 0,  0, 0, new Particle.DustOptions(Color.RED, 1)));
                particles.add(new Particles(Particle.DUST, x, y, z, 1, 0, 0, 0, 0, new Particle.DustOptions(Color.RED, 1)));
            }

            if (currentOffset >= offsets.size()) {
                task.cancel();
                return;
            }
        }
    }, 20L, 20L);```

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    Bukkit.getScheduler().runTaskTimer(Plugin.getInstance(), (task) -> {
        particles.forEach(p -> {
            Bukkit.broadcastMessage(String.format("X:%s , Y:%s , Z:%s", p.x, p.z, p.y));
            world.spawnParticle(p.particle, p.x, p.y, p.z, p.count, p.offsetX, p.offsetY, p.offsetZ, p.extra, p.data, true);
        });
        // particles.forEach(Runnable::run);
    }, 0L, 10L);
}

public static class Particles {
    private final Particle particle;
    private final double x, y, z;
    private final int count;
    private final double offsetX, offsetY, offsetZ, extra;
    private final Object data;

    /**
     * @param particle the particle to spawn
     * @param x        the position on the x axis to spawn at
     * @param y        the position on the y axis to spawn at
     * @param z        the position on the z axis to spawn at
     * @param count    the number of particles
     * @param offsetX  the maximum random offset on the X axis
     * @param offsetY  the maximum random offset on the Y axis
     * @param offsetZ  the maximum random offset on the Z axis
     * @param extra    the extra data for this particle, depends on the
     *                 particle used (normally speed)
     * @param data     the data to use for the particle or null,
     *                 the type of this depends on {@link Particle#getDataType()}
     */
    public Particles(Particle particle, double x, double y, double z, int count, double offsetX, double offsetY, double offsetZ, double extra, Object data) {
        this.particle = particle;
        this.x = x;
        this.y = y;
        this.z = z;
        this.count = count;
        this.offsetX = offsetX;
        this.offsetY = offsetY;
        this.offsetZ = offsetZ;
        this.extra = extra;
        this.data = data;
    }
}

#Keep original values on object creation