/**************************************************************************** ** ** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** ** This file is part of the QtDeclarative module of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:LGPL$ ** GNU Lesser General Public License Usage ** This file may be used under the terms of the GNU Lesser General Public ** License version 2.1 as published by the Free Software Foundation and ** appearing in the file LICENSE.LGPL included in the packaging of this ** file. Please review the following information to ensure the GNU Lesser ** General Public License version 2.1 requirements will be met: ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. ** ** In addition, as a special exception, Nokia gives you certain additional ** rights. These rights are described in the Nokia Qt LGPL Exception ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. ** ** GNU General Public License Usage ** Alternatively, this file may be used under the terms of the GNU General ** Public License version 3.0 as published by the Free Software Foundation ** and appearing in the file LICENSE.GPL included in the packaging of this ** file. Please review the following information to ensure the GNU General ** Public License version 3.0 requirements will be met: ** http://www.gnu.org/copyleft/gpl.html. ** ** Other Usage ** Alternatively, this file may be used in accordance with the terms and ** conditions contained in a signed written agreement between you and Nokia. ** ** ** ** ** ** $QT_END_LICENSE$ ** ****************************************************************************/ import QtQuick 2.0 import QtQuick.Particles 2.0 Item { id: container property variant target: {"y": -90, "x":12} property ParticleSystem system property bool show: true width: 24 height: 24 Emitter{ id: visualization particle: "laser" system: container.system anchors.fill: parent emitting: container.show shape: EllipseShape{} speed: TargetedDirection{ targetX: width/2; targetY: width/2; magnitude: -1; proportionalMagnitude: true } lifeSpan: 1000 emitRate: 64 size: 24 sizeVariation: 8 endSize: 8 } function fireAt(targetArg, hardpoint){ if(targetArg.hp <= 0) return; //TODO: calculate hit and damage at target, which must be a Ship var offset = 0; if(Math.random() < 0.99){ switch(targetArg.shipType){ case 1: hardpoint.damageDealt += 16; break; case 2: hardpoint.damageDealt += 4; break; case 3: hardpoint.damageDealt += 8; break; default: hardpoint.damageDealt += 500; //Really effective against unregistered vessels } }else{//Misses with Lasers are really rare offset = Math.random() * 100; } target = container.mapFromItem(targetArg, offset + targetArg.width/2, offset + targetArg.height/2); emitter.pulse(0.10); // console.log("Fire box: " + Math.min(container.width/2, target.x) + "," + Math.min(container.height/2, target.y) + " " + (Math.max(container.width/2, target.x) - Math.min(container.width/2, target.x)) + "," + (Math.max(container.height/2, target.y) - Math.min(container.height/2, target.y))); } Emitter{ id: emitter particle: "laser" emitting: false system: container.system x: Math.min(container.width/2, target.x); width: Math.max(container.width/2, target.x) - x; y: Math.min(container.height/2, target.y); height: Math.max(container.height/2, target.y) - y; shape: LineShape{ mirrored: (emitter.y < 0 || emitter.x < 0) && !(emitter.y < 0 && emitter.x < 0 )//I just want XOR } lifeSpan: 1000 emitRate: 8000 emitCap: 800 size: 16 endSize: 0 speed: PointDirection{xVariation: 4; yVariation: 4} } }