Analysis of constant speed movement in Cocos2d Development

Cocos2dThe problem of constant speed movement in development is described in this article,Cocos2dThere are CCMoveTo and CCMoveBy, but the speed parameters are time-limited. That is to say, the action is completed at the agreed time regardless of the distance.

However, if I want to control the speed, and the execution speed at any distance is the same. Are there such methods or classes?

Answer 1:

Speed x time = distance

Speed = distance/Time

Answer 2:

Define a speed by yourself, because you already know the location of Moveto, it means the distance is already there.

Time = distance/Speed

Answer 3:

Use a schedule such:

 
 


  
  
-(Void) update :( cctime) dt

  
  
{

  
  
Xx = x + speed * dt;

  
  
Yy = y + speed * dt;

  
  
}

 
 

This dt is the time you want to move every time, which can be determined according to your own requirements.

Summary:Cocos2dThe content of the problem of constant speed movement in development is complete. I hope this article will help you!