我们各位同学们应该都玩过很多种手机游戏了吧,在游戏中有很多漂亮的UI界面都是在游戏开发中设计出来的,本篇教程将带你学习界面UI的基础设计。
简单探讨一下如何在Cocos2d-x的游戏引擎里面去制作各做交互UI界面,常见的UI如下:
人物头像,血条值,经验条,技能按钮,以及各种玩家交互的界面按钮:背包,人物属性,门派,等;
类似上面的图示交互UI,他们是悬浮于窗体上的。那么按照我现在做的层级架构就是这些UI操作,是不属于任何CCObject的,或者被继承的;
回到第一篇我对整个架构的分析,这些交互UI属于事件,和任务类型!对于手游UI来说这类似的ui设计更为严格,因为玩家位移的交互方式,
就是点击屏幕,我们要虚拟化各种按键去实现各种操作。
先把以上描述的基本UI在界面上画出来:
BaseUI.cpp , BaseUI.h 类
ui_exp = BaseUI::create(p_expbd);
ui_exp ->setPosition(ccp(150,ui_exp->getContentSize().height+20));
layer->addChild(ui_exp,1);
ui_skillbar = BaseUI::create(p_skillbarbd);
ui_skillbar ->setPosition(ccp(size.width-ui_skillbar->getContentSize().width+35,ui_skillbar->getContentSize().height));
layer->addChild(ui_skillbar,3);
ui_skill_skill0 = BaseUI::create(p_skill_nv0);
ui_skill_skill0 ->setPosition(ccp(size.width-ui_skill_skill0->getContentSize().width+7,ui_skill_skill0->getContentSize().height+22));
layer->addChild(ui_skill_skill0,1,801);
我们需要通过触摸点击去识别判断我们的UI坐标是否被用户点击:
CCRect BaseUI::rect_skill0()
{
//获取精灵区域大小
return CCRectMake(ui_skill_skill0->getPositionX()- ui_skill_skill0->getContentSize().width * ui_skill_skill0->getAnchorPoint().x,ui_skill_skill0->getPositionY()-ui_skill_skill0->getContentSize().height* ui_skill_skill0->getAnchorPoint().y,ui_skill_skill0->getContentSize().width, ui_skill_skill0->getContentSize().height);
}
void BaseUI::isTouchInside(CCTouch *pTouch)
{
CCPoint localPoint = pTouch->getLocation();
CCRect rc = rect_skill0();
bool isTouched = rc.containsPoint(localPoint);
if (isTouched == true) {
CCLog(FontChina::G2U("1111111111111111111!"));
if(touch_skill0_flag!=true)
{
touch_skill0_flag = true;
}
}
}
我们设置了变量如:技能的变量(touch_skill0_flag)来在其他地方去实现技能释放,执行释放操作的的关联是在basemap上面,因为之前我们的逻辑关系上,玩家是属于地图层级,那么我们便可以很方便的去控制玩家释放技能对怪物的操作交互;
//启动玩家操作监听器
nowmap->schedule(schedule_selector(MaPS_Diyu::makeroleAttack));
让在地图层上面我们需要启动监听器去实现技能得操作,那么我们就如下去写:
void Maps_Diyu::makeroleAttack(float times)
{
if(touch_skill0_flag==true)
{
//先去寻找主角周围的敌人,选择最近的一个为目标;
CCPoint playerpoint = this->getChildByTag(999)->getPosition();
int attck_reatR = 200;
int nowtag = -1;
CCPointArray* attck_pointlist = CCPointArray::create(0);
for (int i = 0; i < 15; i++)
{
CCRect* attck_rect = new CCRectMake(this->getChildByTag(999)->getPosition().x-attck_reatR/2,this->getChildByTag(999)->getPosition().y-attck_reatR/2,attck_reatR,attck_reatR);
if(this->getChildByTag(100+i)!=NULL)
{
if(attck_rect->containsPoint(this->getChildByTag(100+i)->getPosition())==true)
{
CCLog(FontChina::G2U("在主角攻击范围"));
attck_pointlist->addControlPoint(this->getChildByTag(100+i)->getPosition());
nowtag=100+i;
break;
}
}
}
if(nowselects==true)
{
//攻击默认怪物
CCPoint attck_point = this->getChildByTag(nowselecttag)->getPosition();
basedatas = new GetNPCData();
basedatas->GetRoleData();
basedatas->role_player.acttodo=attack;
SpiritsPlayer::attckTomap_dir(ccp(attck_point.x,attck_point.y),(CCSprite*)this->getChildByTag(999),basedatas->role_player);
SkillEffects* role_skill = new SkillEffects(ccp((int)attck_point.x,(int)attck_point.y),basedatas->role_player,(0.2f+CCRANDOM_0_1()),12,3,0);
this->addChild(role_skill->effects_main,1000,50);
role_skill->release();
SpiritsMonster::showattcknumber(899,(CCSprite*)this->getChildByTag(nowselecttag));
}
else
{
if(attck_pointlist->count()>0)
{
//攻击默认怪物
CCPoint attck_point = attck_pointlist->getControlPointAtIndex(0);
//该技能是否先移动一定距离,再进行攻击,还是直接释放魔法攻击
basedatas = new GetNPCData();
basedatas->GetRoleData();
basedatas->role_player.acttodo=attack;
SpiritsPlayer::attckTomap_dir(ccp(attck_point.x,attck_point.y),(CCSprite*)this->getChildByTag(999),basedatas->role_player);
SkillEffects* role_skill = new SkillEffects(ccp((int)attck_point.x,(int)attck_point.y),basedatas->role_player,(0.2f+CCRANDOM_0_1()),12,3,0);
this->addChild(role_skill->effects_main,1000,50);
role_skill->release();
SpiritsMonster::showattcknumber(899,(CCSprite*)this->getChildByTag(nowtag));
}
}
touch_skill0_flag=false;
}
}
上面的写法,又再一次利用了怪物AI里面的一些基本逻辑,不过这套逻辑是需要玩家去手动触发的。
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