Evan Debenham
116 lines
2.9 KiB
Java
116 lines
2.9 KiB
Java
/*
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* Pixel Dungeon
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* Copyright (C) 2012-2015 Oleg Dolya
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*
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* Shattered Pixel Dungeon
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* Copyright (C) 2014-2016 Evan Debenham
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>
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*/
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package com.shatteredpixel.shatteredpixeldungeon.effects.particles;
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import com.shatteredpixel.shatteredpixeldungeon.Dungeon;
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import com.shatteredpixel.shatteredpixeldungeon.DungeonTilemap;
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import com.watabou.noosa.Game;
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import com.watabou.noosa.Group;
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import com.watabou.noosa.particles.Emitter;
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import com.watabou.noosa.particles.Emitter.Factory;
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import com.watabou.noosa.particles.PixelParticle;
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import com.watabou.utils.PointF;
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import com.watabou.utils.Random;
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public class WindParticle extends PixelParticle {
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public static final Emitter.Factory FACTORY = new Factory() {
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@Override
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public void emit( Emitter emitter, int index, float x, float y ) {
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((WindParticle)emitter.recycle( WindParticle.class )).reset( x, y );
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}
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};
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private static float angle = Random.Float( PointF.PI2 );
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private static PointF speed = new PointF().polar( angle, 5 );
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public WindParticle() {
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super();
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lifespan = Random.Float( 1, 2 );
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scale.set( size = Random.Float( 3 ) );
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}
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public void reset( float x, float y ) {
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revive();
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left = lifespan;
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super.speed.set( WindParticle.speed );
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super.speed.scale( size );
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this.x = x - super.speed.x * lifespan / 2;
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this.y = y - super.speed.y * lifespan / 2;
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angle += Random.Float( -0.1f, +0.1f );
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speed = new PointF().polar( angle, 5 );
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am = 0;
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}
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@Override
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public void update() {
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super.update();
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float p = left / lifespan;
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am = (p < 0.5f ? p : 1 - p) * size * 0.2f;
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}
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public static class Wind extends Group {
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private int pos;
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private float x;
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private float y;
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private float delay;
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public Wind( int pos ) {
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super();
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this.pos = pos;
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PointF p = DungeonTilemap.tileToWorld( pos );
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x = p.x;
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y = p.y;
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delay = Random.Float( 5 );
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}
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@Override
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public void update() {
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if (visible = Dungeon.visible[pos]) {
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super.update();
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if ((delay -= Game.elapsed) <= 0) {
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delay = Random.Float( 5 );
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((WindParticle)recycle( WindParticle.class )).reset(
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x + Random.Float( DungeonTilemap.SIZE ),
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y + Random.Float( DungeonTilemap.SIZE ) );
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}
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}
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}
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}
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} |