Magic_Ling_Pixel_Dungeon/src/com/shatteredpixel/shatteredpixeldungeon/sprites/MissileSprite.java
2014-08-19 20:42:21 -04:00

80 lines
2.4 KiB
Java

/*
* Pixel Dungeon
* Copyright (C) 2012-2014 Oleg Dolya
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>
*/
package com.shatteredpixel.shatteredpixeldungeon.sprites;
import com.watabou.noosa.tweeners.PosTweener;
import com.watabou.noosa.tweeners.Tweener;
import com.shatteredpixel.shatteredpixeldungeon.DungeonTilemap;
import com.shatteredpixel.shatteredpixeldungeon.items.Item;
import com.watabou.utils.Callback;
import com.watabou.utils.PointF;
public class MissileSprite extends ItemSprite implements Tweener.Listener {
private static final float SPEED = 240f;
private Callback callback;
public MissileSprite() {
super();
originToCenter();
}
public void reset( int from, int to, Item item, Callback listener ) {
if (item == null) {
reset( from, to, 0, null, listener );
} else {
reset( from, to, item.image(), item.glowing(), listener );
}
}
public void reset( int from, int to, int image, Glowing glowing, Callback listener ) {
revive();
view( image, glowing );
this.callback = listener;
point( DungeonTilemap.tileToWorld( from ) );
PointF dest = DungeonTilemap.tileToWorld( to );
PointF d = PointF.diff( dest, point() );
speed.set( d ).normalize().scale( SPEED );
if (image == ItemSpriteSheet.DART || image == ItemSpriteSheet.INCENDIARY_DART
|| image == ItemSpriteSheet.CURARE_DART || image == ItemSpriteSheet.JAVELIN) {
angularSpeed = 0;
angle = 135 - (float)(Math.atan2( d.x, d.y ) / 3.1415926 * 180);
} else {
angularSpeed = image == 15 || image == 106 ? 1440 : 720;
}
PosTweener tweener = new PosTweener( this, dest, d.length() / SPEED );
tweener.listener = this;
parent.add( tweener );
}
@Override
public void onComplete( Tweener tweener ) {
kill();
if (callback != null) {
callback.call();
}
}
}