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95 lines
2.3 KiB
95 lines
2.3 KiB
package net.sector.effects.particles;
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import net.sector.Constants;
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import net.sector.effects.EParticle;
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import com.porcupine.color.HSV;
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import com.porcupine.coord.Coord;
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import com.porcupine.coord.Vec;
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import com.porcupine.math.Calc;
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/**
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* "EMP" particle
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*
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* @author Ondřej Hruška (MightyPork)
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*/
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public class ParticleOrb extends Particle {
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private Vec origMotion = null;
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private boolean slow = false;
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/** Type (0-5) */
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public int type = 0;
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/**
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* EMP particle
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*
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* @param pos position
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* @param motion motion
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* @param slowDown can slow down gradually
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*/
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public ParticleOrb(Coord pos, Vec motion, boolean slowDown, int color) {
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super(pos, motion);
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origMotion = motion.copy();
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slow = slowDown;
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this.rotAngle.set(rand.nextDouble() * 360);
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this.rotSpeed = -10 + rand.nextDouble() * 20;
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this.maxAge = (long) (Constants.FPS_UPDATE * (0.2 + rand.nextDouble() * 1));
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this.size = this.sizeOrig = 0.6 + rand.nextDouble();
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double h = 0;
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if (color == 0) h = 0.5 + rand.nextDouble() * 0.3;
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if (color == 1) h = rand.nextBoolean() ? rand.nextDouble() * 0.1 : 1 - rand.nextDouble() * 0.1;
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if (color == 2) h = 0.2 + rand.nextDouble() * 0.3;
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this.renderColor.setTo(new HSV(h, 0.6 + rand.nextDouble() * 0.4, 1).toRGB());
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this.renderAlpha = 1;
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type = rand.nextInt(6);
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}
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/**
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* EMP particle
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*
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* @param pos position
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* @param motion motion
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* @param scale render size 0.001-2
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*/
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public ParticleOrb(Coord pos, Vec motion, double scale, int color) {
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this(pos, motion, true, color);
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this.size = this.sizeOrig = Calc.clampd(scale, 0.001, 1);
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}
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/**
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* EMP particle
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*
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* @param pos position
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* @param motion motion
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* @param scale render size 0.001-2
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* @param slowDown can slow down gradually
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*/
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public ParticleOrb(Coord pos, Vec motion, double scale, boolean slowDown, int color) {
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this(pos, motion, slowDown, color);
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this.size = this.sizeOrig = Calc.clampd(scale, 0.001, 1);
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}
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@Override
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public EParticle getType() {
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return EParticle.ORB;
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}
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@Override
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public void onUpdate() {
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size = Calc.square(1F - ((float) age / (float) maxAge)) * sizeOrig;
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if (slow) {
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motion.setTo(origMotion.scale(Calc.square(1 - (float) age / (float) maxAge)));
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if (size < sizeOrig * 0.2) setDead();
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} else {
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motion.scale_ip(0.90);
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if (size < 0.2) setDead();
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}
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}
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}
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