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added experimental samples
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@AlmasB
AlmasB committed Mar 26, 2023
1 parent a0aa045 commit b190083
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233 changes: 233 additions & 0 deletions fxgl-samples/src/main/java/sandbox/particles/FireworksSample2.java
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/*
* FXGL - JavaFX Game Library. The MIT License (MIT).
* Copyright (c) AlmasB ([email protected]).
* See LICENSE for details.
*/

package sandbox.particles;

import com.almasb.fxgl.animation.Interpolators;
import com.almasb.fxgl.app.GameApplication;
import com.almasb.fxgl.app.GameSettings;
import com.almasb.fxgl.core.math.FXGLMath;
import com.almasb.fxgl.dsl.components.ExpireCleanComponent;
import com.almasb.fxgl.dsl.components.ProjectileComponent;
import com.almasb.fxgl.entity.Entity;
import com.almasb.fxgl.particle.ParticleComponent;
import com.almasb.fxgl.particle.ParticleEmitters;
import com.almasb.fxgl.texture.ImagesKt;
import com.almasb.fxgl.texture.Pixel;
import javafx.geometry.Point2D;
import javafx.scene.effect.BlendMode;
import javafx.scene.input.MouseButton;
import javafx.scene.paint.Color;
import javafx.scene.shape.Circle;
import javafx.scene.text.Text;
import javafx.util.Duration;

import java.util.List;

import static com.almasb.fxgl.dsl.FXGL.*;

/**
* @author Almas Baimagambetov ([email protected])
*/
public class FireworksSample2 extends GameApplication {

private static final String MESSAGE = "F X G L";

private String[] names = ("circle_01.png\n"
"circle_02.png\n"
"circle_03.png\n"
"circle_04.png\n"
"circle_05.png\n"
"dirt_01.png\n"
"dirt_02.png\n"
"dirt_03.png\n"
"fire_01.png\n"
"fire_02.png\n"
"flame_01.png\n"
"flame_02.png\n"
"flame_03.png\n"
"flame_04.png\n"
"flame_05.png\n"
"flame_06.png\n"
"flare_01.png\n"
"light_01.png\n"
"light_02.png\n"
"light_03.png\n"
"magic_01.png\n"
"magic_02.png\n"
"magic_03.png\n"
"magic_04.png\n"
"magic_05.png\n"
"muzzle_01.png\n"
"muzzle_02.png\n"
"muzzle_03.png\n"
"muzzle_04.png\n"
"muzzle_05.png\n"
"scorch_01.png\n"
"scorch_02.png\n"
"scorch_03.png\n"
"scratch_01.png\n"
"slash_01.png\n"
"slash_02.png\n"
"slash_03.png\n"
"slash_04.png\n"
"smoke_01.png\n"
"smoke_02.png\n"
"smoke_03.png\n"
"smoke_04.png\n"
"smoke_05.png\n"
"smoke_06.png\n"
"smoke_07.png\n"
"smoke_08.png\n"
"smoke_09.png\n"
"smoke_10.png\n"
"spark_01.png\n"
"spark_02.png\n"
"spark_03.png\n"
"spark_04.png\n"
"spark_05.png\n"
"spark_06.png\n"
"spark_07.png\n"
"star_01.png\n"
"star_02.png\n"
"star_03.png\n"
"star_04.png\n"
"star_05.png\n"
"star_06.png\n"
"star_07.png\n"
"star_08.png\n"
"star_09.png\n"
"symbol_01.png\n"
"symbol_02.png\n"
"trace_01.png\n"
"trace_02.png\n"
"trace_03.png\n"
"trace_04.png\n"
"trace_05.png\n"
"trace_06.png\n"
"trace_07.png\n"
"twirl_01.png\n"
"twirl_02.png\n"
"twirl_03.png\n"
"window_01.png\n"
"window_02.png\n"
"window_03.png\n"
"window_04.png").split("\n");

private int index = 16;

private List<Pixel> pixels;

@Override
protected void initSettings(GameSettings settings) {
settings.setWidth(1280);
settings.setHeight(720);
}

@Override
protected void initInput() {
onBtnDown(MouseButton.SECONDARY, () -> {
index ;

if (index == names.length)
index = 0;
});
}

@Override
protected void initGame() {
getGameScene().setBackgroundColor(Color.BLACK);

Text text = getUIFactoryService().newText(MESSAGE, Color.BLACK, 172);
pixels = ImagesKt.toPixels(ImagesKt.toImage(text))
.stream()
.filter(p -> !p.getColor().equals(Color.TRANSPARENT))
.toList();

spawnMajor(new Point2D(random(0, 1200), 700));

run(() -> {
spawnMajor(new Point2D(random(200, 1000), 700));
}, Duration.seconds(0.95));
}

private void spawnMajor(Point2D p) {
var emitter = ParticleEmitters.newFireEmitter();
emitter.setNumParticles(35);
emitter.setEmissionRate(0.5);
emitter.setSize(1, 24);
emitter.setSpawnPointFunction(i -> new Point2D(random(-1, 1), random(-1, 1)));
emitter.setExpireFunction(i -> Duration.seconds(random(0.25, 0.6)));
emitter.setInterpolator(Interpolators.EXPONENTIAL.EASE_OUT());
emitter.setAccelerationFunction(() -> new Point2D(0, random(1, 3)));

var c = Color.YELLOW;

emitter.setBlendMode(BlendMode.SRC_OVER);
emitter.setSourceImage(texture("particles/" "star_04.png", 32, 32).multiplyColor(c));
emitter.setAllowParticleRotation(true);

var e = entityBuilder()
.at(p)
.view(new Circle(1, 1, 1, Color.WHITE))
.with(new ProjectileComponent(new Point2D(0, -1), 750))
.with(new ParticleComponent(emitter))
.buildAndAttach();

runOnce(() -> {
explode(e);
}, Duration.seconds(random(0.4, 0.7)));
}

private void explode(Entity e) {
for (int i = 0; i < 1; i ) {
spawnMinor(e.getPosition());
}

e.removeFromWorld();
}

private void spawnMinor(Point2D p) {
var emitter = ParticleEmitters.newExplosionEmitter(random(60, 150));
emitter.setNumParticles(350);
emitter.setExpireFunction(i -> Duration.seconds(random(3.25, 6.5)));
emitter.setInterpolator(Interpolators.EXPONENTIAL.EASE_OUT());
emitter.setAllowParticleRotation(false);
emitter.setSpawnPointFunction(i -> {
var pixel = FXGLMath.random(pixels).get();

return new Point2D(pixel.getX() - 190, pixel.getY() - 100).multiply(1.1);
});

emitter.setVelocityFunction(i -> new Point2D(Math.cos(i), Math.sin(i)).multiply(2.2));

// emitter.setVelocityFunction(i -> {
// var pixel = FXGLMath.random(pixels).get();
//
// return new Point2D(pixel.getX() - 190, pixel.getY() - 100).multiply(0.3);
// });
// emitter.setVelocityFunction(i -> new Point2D(
// sin(i) * (pow(E, cos(i)) - 2 * cos(4*i) - pow(sin(i/12.0), 5)),
// -cos(i) * (pow(E, cos(i)) - 2 * cos(4*i) - pow(sin(i/12.0), 5))
// ).multiply(10));
emitter.setAccelerationFunction(() -> new Point2D(random(0, 0), random(0, 0)));

var c = FXGLMath.randomColor().brighter().brighter();

emitter.setBlendMode(BlendMode.ADD);
emitter.setSourceImage(texture("particles/" names[index], 64, 64).multiplyColor(c));

var e = entityBuilder()
.at(p)
.with(new ParticleComponent(emitter))
.with(new ExpireCleanComponent(Duration.seconds(3)).animateOpacity())
.buildAndAttach();
}

public static void main(String[] args) {
launch(args);
}
}
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