Evan Debenham
96 lines
2.7 KiB
Java
96 lines
2.7 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.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.ColorMath;
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import com.watabou.utils.PointF;
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import com.watabou.utils.Random;
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public class ShadowParticle extends PixelParticle.Shrinking {
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public static final Emitter.Factory MISSILE = 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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((ShadowParticle)emitter.recycle( ShadowParticle.class )).reset( x, y );
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}
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};
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public static final Emitter.Factory CURSE = 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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((ShadowParticle)emitter.recycle( ShadowParticle.class )).resetCurse( x, y );
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}
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};
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public static final Emitter.Factory UP = 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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((ShadowParticle)emitter.recycle( ShadowParticle.class )).resetUp( x, y );
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}
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};
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public void reset( float x, float y ) {
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revive();
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this.x = x;
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this.y = y;
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speed.set( Random.Float( -5, +5 ), Random.Float( -5, +5 ) );
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size = 6;
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left = lifespan = 0.5f;
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}
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public void resetCurse( float x, float y ) {
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revive();
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size = 8;
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left = lifespan = 0.5f;
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speed.polar( Random.Float( PointF.PI2 ), Random.Float( 16, 32 ) );
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this.x = x - speed.x * lifespan;
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this.y = y - speed.y * lifespan;
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}
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public void resetUp( float x, float y ) {
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revive();
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speed.set( Random.Float( -8, +8 ), Random.Float( -32, -48 ) );
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this.x = x;
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this.y = y;
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size = 6;
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left = lifespan = 1f;
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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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// alpha: 0 -> 1 -> 0; size: 6 -> 0; color: 0x660044 -> 0x000000
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color( ColorMath.interpolate( 0x000000, 0x440044, p ) );
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am = p < 0.5f ? p * p * 4 : (1 - p) * 2;
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}
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} |