So im still learning the ropes of blueprints, but i can’t for the life of me figure out how to add impulse on certain spots in a ball. I want to make it so whenever you click on the ball it goes up and depending on where you click it will go at that direction. For example you want the ball to go to the top left you click on the bottom left and vice versa or click in the center to keep it going up. I know the logic but i just dont know how to put into blueprints.
It depends slightly on your design choices, but for the kick off:
You do a mouse click test and check if it hits ball. From the break result node take the hit location vector and compare it to the ball actor location. If the Hit Location is on the LEFT of the ball you want it to go RIGHT (probably), and vice versa.
Does it make sense?
Yes this worked thanks. So based on what you told me i made it so it takes the hit location and subtracts it from the actor location in which after it compares the value and sees if it’s true or false. I only have one last question so i know in the future. What’s the difference between location and Impact point ?
hah tbh I don’t remember so I googled it - it seems Location is the location of the shape that swept the collision, and the impact point is the actual collision impact point.
When you do a mouse or line trace location and impact point are the same, but I always use the latter.
I just realised I did suggest using Hit Location, but impact point is what I’d use - then again - in this case it’s the same.
Glad it worked!
1 Like
Regarding the original question - perhaps you are simply looking for:
Also, if you ever need to convert from world → local (or the other way round), there’s a bunch of nodes that handle that:
There are equivalent nodes for direction and rotation, and entire transforms even. And matrices, too - if you ever need to deal with scale, for example.
There’s a lot hidden in the tooltips:
Some tooltips have more info:
Although, how it works and what info is provided is somewhat inconsistent throughout the engine.
1 Like