我有什么:
我要做什么:
x 坐标根本没有变化。
当球击到顶部时,它会改变方向并返回而无需点击
移除 UITouch 位置变量
上下撑杆系统撑杆
每件事都有帮助,非常感谢你。
-(void)touchesBeganNSSet *)touches withEventUIEvent *)event {
/* Called when a touch begins */
//SKAction *action = [SKAction rotateByAngle:M_PI duration:1];
//[sprite runAction:[SKAction repeatActionForever:action]];
for (UITouch *touch in touches) {
location = [touch locationInNode:self];
}
float ballVelocity = self.frame.size.height/3.0;
CGPoint moveDifference = CGPointMake(location.x - ball.position.x,location.y - ball.position.y);
float distanceToMove = sqrtf(moveDifference.x * moveDifference.x +moveDifference.y * moveDifference.y);
float moveDuration = distanceToMove / ballVelocity;
Act_Move = [SKAction moveTo:location duration:moveDuration];
Act_MoveDone = [SKAction runBlock:^(){
NSLog(@"stoped");}];
ActballMoveSeq = [SKAction sequence[Act_Move,Act_MoveDone]];
if(((location.y>screenSize.height/2)&&(ball.position.y<screenSize.height/2))||((location.y<screenSize.height/2)&&(ball.position.y>screenSize.height/2))){
if(canTap == true){
[ball runAction:ActballMoveSeq withKey"moveBall_seq"];
}
}
}
Best Answer-推荐答案 strong>
要让球向上移动一定距离并自行返回,请对您的节点使用 applyImpulse。
// modify the dy value (100) to whatever value suits your needs
[myNode.physicsBody applyImpulse:CGVectorMake(0, 100)];
只要你的节点受到重力的影响,它最终就会降下来。
关于ios - 使用积木的 Sprite-kit Action ,我们在Stack Overflow上找到一个类似的问题:
https://stackoverflow.com/questions/29617331/
|