solved Doubt of beginner, about many things. Starting with a ping pong

[Valmor]

Hi 

I am beginner in babylonJs and javascript. 

I´m doing this, but, I have a lot of questions about how to do certain things and if I´m on the right track
http://www.babylonjs-playground.com/#J28NFN#1
 

1) how can build a line from one object to another?

2) the ball need continue to top and moving on board. who i can do it?

3) who show line in moving clicked mouse and hide after PointerUp

4) who can i destroy a object if ball colide?

I am studying the tutorials and I see that this tool is incredibly powerful.

Thanks for any help

[hunts]

Hy welcome to Babylonjs! 

There are different ways to achieve this, but i'll clarify what you need

1. https://babylonjsguide.github.io/intermediate/Parametric_Shapes

2. http://doc.babylonjs.com/overviews/using_the_physics_engine

3. http://doc.babylonjs.com/tutorials/raycasts

4. if(ball.intersectsMesh(paddle)){ball.dispose()}

[Valmor]

Sometimes it is difficult to know the best way and these tips that you gave me here help a lot to understand the possible options. 

Thanks for the great help. 

[hunts]

You welcome, remember to post in the forum if any issue occurs