com.badlogic.gdx.graphics.g3d.particles.influencers.SpawnInfluencer Maven / Gradle / Ivy

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package com.badlogic.gdx.graphics.g3d.particles.influencers;

import com.badlogic.gdx.assets.AssetManager;
import com.badlogic.gdx.graphics.g3d.particles.ParallelArray.FloatChannel;
import com.badlogic.gdx.graphics.g3d.particles.ParticleChannels;
import com.badlogic.gdx.graphics.g3d.particles.ResourceData;
import com.badlogic.gdx.graphics.g3d.particles.values.PointSpawnShapeValue;
import com.badlogic.gdx.graphics.g3d.particles.values.SpawnShapeValue;
import com.badlogic.gdx.utils.Json;
import com.badlogic.gdx.utils.JsonValue;

/** It's an {@link Influencer} which controls where the particles will be spawned.
 * @author Inferno */
public class SpawnInfluencer extends Influencer {

	public SpawnShapeValue spawnShapeValue;
	FloatChannel positionChannel;
	
	public SpawnInfluencer(){
		spawnShapeValue = new PointSpawnShapeValue();
	}
	
	public SpawnInfluencer(SpawnShapeValue spawnShapeValue){
		this.spawnShapeValue = spawnShapeValue;
	}
	
	public SpawnInfluencer(SpawnInfluencer source){
		spawnShapeValue = source.spawnShapeValue.copy();
	}
	
	@Override
	public void init () {
		spawnShapeValue.init();
	}
	
	@Override
	public void allocateChannels () {
		positionChannel = controller.particles.addChannel(ParticleChannels.Position);
	}
	
	@Override
	public void start () {
		spawnShapeValue.start();
	}

	@Override
	public void activateParticles (int startIndex, int count) {
		for(int 	i=startIndex*positionChannel.strideSize, c = i +count*positionChannel.strideSize; i < c; i +=positionChannel.strideSize){
			spawnShapeValue.spawn(TMP_V1, controller.emitter.percent);
			TMP_V1.mul(controller.transform);
			positionChannel.data[i+ParticleChannels.XOffset] = TMP_V1.x;
			positionChannel.data[i+ParticleChannels.YOffset] = TMP_V1.y;
			positionChannel.data[i+ParticleChannels.ZOffset] = TMP_V1.z;
		}
	}

	@Override
	public SpawnInfluencer copy () {
		return new SpawnInfluencer(this);
	}

	@Override
	public void write (Json json) {
		json.writeValue("spawnShape", spawnShapeValue, SpawnShapeValue.class);
	}
	
	@Override
	public void read (Json json, JsonValue jsonData) {
		spawnShapeValue = json.readValue("spawnShape", SpawnShapeValue.class, jsonData);
	}
	
	@Override
	public void save (AssetManager manager, ResourceData data) {
		spawnShapeValue.save(manager, data);
	}
	
	@Override
	public void load (AssetManager manager, ResourceData data) {
		spawnShapeValue.load(manager, data);
	}
}