我还是编程的新手,我尝试做以下工作:因此,我将敌人从游戏场景中分离到另一个类中。
在Enemy class.m文件中,我声明了6个方法。每个方法都代表一个新的关卡,它将从游戏场景中调用。
因此,在方法中,我声明了精灵的图像,路径,射击粒子类型等。
这是EnemyClass.m
文件中的1级方法的示例:
+(void)enemiesLevel1
{
EnemyName = @"enemy1";
SKSpriteNode* enemy = [SKSpriteNode spriteNodeWithImageNamed:EnemyName];
pathSpeed = 3;
CGPathRef path = CGPathCreateWithEllipseInRect(CGRectMake(0,0,400,400), NULL);
SKAction *followTrack = [SKAction followPath:path
asOffset:NO
orientToPath:YES
duration:pathSpeed];
SKAction *forever = [SKAction repeatActionForever:followTrack];
SKAction *addEnemy = [SKAction runBlock:^{
[GameScene addChild: enemy];
}];
SKAction *enemySequence = [SKAction sequence:@[addEnemy, forever]];
[GameScene runAction: enemySequence];
}
但是,Xcode指出了两个问题:
No known class method for selector "addChild"
和
No known class method for selector "runAction"
我从
GameScene.m
调用方法:[EnemyClass enemiesLevel1]
这似乎是一个愚蠢的问题,但我仍然是新手,我将不胜感激!
最佳答案
问题是,您应该在GameScene中创建EnemyClasss实例,然后使用它;您的代码应如下所示;
在EnemyClass.m中:
-(void)enemiesLevel1
{
EnemyName = @"enemy1";
SKSpriteNode* enemy = [SKSpriteNode spriteNodeWithImageNamed:EnemyName];
pathSpeed = 3;
CGPathRef path = CGPathCreateWithEllipseInRect(CGRectMake(0,0,400,400), NULL);
SKAction *followTrack = [SKAction followPath:path
asOffset:NO
orientToPath:YES
duration:pathSpeed];
SKAction *forever = [SKAction repeatActionForever:followTrack];
SKAction *addEnemy = [SKAction runBlock:^{
[self addChild: enemy];
}];
SKAction *enemySequence = [SKAction sequence:@[addEnemy, forever]];
[self runAction: enemySequence];
}
在GameScene.m中:
EnemyClass *enemy= [[EnemyClass alloc] initWithSize:self.size];
然后您可以使用:
[self addChild: [enemy enemiesLevel1]];
关于ios - 在游戏场景中实现我的敌人类(class),我们在Stack Overflow上找到一个类似的问题:https://stackoverflow.com/questions/24863644/