content: /*
   * FXGL - JavaFX Game Library. The MIT License (MIT).
   * Copyright (c) AlmasB (almaslvl@gmail.com).
   * See LICENSE for details.
   */
  
  package intermediate.particles;
  
  import com.almasb.fxgl.animation.Interpolators;
  import com.almasb.fxgl.app.GameApplication;
  import com.almasb.fxgl.app.GameSettings;
  import com.almasb.fxgl.particle.ParticleComponent;
  import com.almasb.fxgl.particle.ParticleEmitter;
  import com.almasb.fxgl.particle.ParticleEmitters;
  import javafx.scene.paint.Color;
  
  import static com.almasb.fxgl.dsl.FXGL.*;
  
  /**
   * Using particles with source images and colorization.
   *
   * @author Almas Baimagambetov (AlmasB) (almaslvl@gmail.com)
   */
  public class RainSample extends GameApplication {
  
      @Override
      protected void initSettings(GameSettings settings) { }
  
      @Override
      protected void initGame() {
          entityBuilder()
                  .view(texture("underwater3.png", getAppWidth(), getAppHeight()))
                  .buildAndAttach();
  
          // example - multiply color with existing
          ParticleEmitter emitter = ParticleEmitters.newRainEmitter(getAppWidth() / 2);
          emitter.setSourceImage(texture("rain.png").multiplyColor(Color.BLUE));
  
          entityBuilder()
                  .with(new ParticleComponent(emitter))
                  .buildAndAttach();
  
          // example - set color
          ParticleEmitter emitter2 = ParticleEmitters.newRainEmitter(getAppWidth() / 2);
          emitter2.setSourceImage(texture("rain.png").toColor(Color.YELLOW));
  
          emitter2.setInterpolator(Interpolators.EXPONENTIAL.EASE_OUT());
  
          entityBuilder()
                  .at(getAppWidth() / 2, 0)
                  .with(new ParticleComponent(emitter2))
                  .buildAndAttach();
      }
  
      public static void main(String[] args) {
          launch(args);
      }
  }
  