So far everything i have tried has been very janky, either vaguely shooting in the GENERAL direction of the mouse or not working at all. Can anyone help me with this?
#How to make a 2d projectile that shoots towards the mouse?
agile inlet
chilly seal
So far everything i have tried has been very janky, either vaguely shooting in t...
Get mouse position
Get projectile position
CurrentVeclocity = (mousePos - projectilePos).normalised() * speed
Projectile.transform.position += currentVelocity * time.deltatime
agile inlet
i'll try it out right now
im assuming you get mouse position from
Camera.main.WorldToScreenPoint(Input.mousePosition);
You want the world point not screen point
chilly seal
Camera.main.WorldToScreenPos(input mouse pos)
That gives you the world pos of the mouse (vector 3)
You basically wanna make a vector2 out of that using the x and y
And then that’s your mouse pos and it should work
agile inlet
hm
maybe i coded mine wrong ill try to figure this out
FireBombProjectile.transform.position = new Vector2(transform.position.x - .5f, transform.position.y + .5f);
FireBombProjectile.GetComponent<Rigidbody2D>().AddTorque(50);
Vector2 mousePos = Camera.main.ScreenToWorldPoint(Input.mousePosition);
Vector2 myPos = new Vector2(transform.position.x - .5f, transform.position.y + .5f);
Vector2 currentVelocity = (mousePos - myPos).normalized * 10;
FireBombProjectile.GetComponent<Rigidbody2D>().velocity = currentVelocity;
oops
thats what i have right now the myPos is offset from the player to prevent the projectile from colliding with the player
its only shooting upwards
chilly seal
What’s the add torque
agile inlet
its a bomb and its being thrown so its to make it spin while going through the air
maybe thats affecting it
chilly seal
Okay
agile inlet
let me remove it
chilly seal
Idk probably not
agile inlet
hm
agile inlet
whats up?
chilly seal
What is this script on?
agile inlet
it's attached to a projectile object with a rigidbody 2d, collider, particle system
when the player throws a bomb it instantiates
i give it an offset so it doesnt collide with the player when being thrown
chilly seal
Then what is this FireBomb thing you keep referencing?
agile inlet
FireBombProjectile is the firebomb prefab instantiated into the game
chilly seal
The object that the script is on?
agile inlet
yes
no
oops
ok my bad
the script that adds the firebomb velocity is attached to the player itself
because it is a function of the player
agile inlet
hm?
chilly seal
myPos needs to be the position of the firebomb
You’re getting the position of the player
agile inlet
oooh
ok let me fix that real fast
no dice still
maybe its something from the outside
how can we debug this
chilly seal
Well we should first fix your architecture a bit
agile inlet
it doesnt let me send pictures
agile inlet
my roles are completely factually accurate
chilly seal
nice
agile inlet
chilly seal
okay so, basically you want 2 scripts
FireballProjector:
-This goes on your player
-It handles instantiating the fireball when you press the fire button
FireballMovement:
-This goes on the fireball prefab
-It handles moving the fireball
agile inlet
okay
ill move to the firebomb script
should i just remove anything related to moving the firebomb on this script
chilly seal
I wouldn't touch this script in case it breaks stuff
just make 2 new scripts for now
agile inlet
ok
hold on also real fast im going to make a collision layer so the bomb doesnt touch the playert
chilly seal
then how do you expect it to update the position lmao
if you're setting the velocity
agile inlet
what im trying to achieve is shooting the firebomb out and let it fall towards
not shooting it straight forward consistantly
like actually throwing a ball
chilly seal
oh so you don't want it to constantly be moving towards the mouse?
agile inlet
yes
for reference
the player is meant to pick up a spherical bomb, and when he clicks he throws it
chilly seal
is this a sidescroller?
agile inlet
ill send a reference pic
chilly seal
with you now
agile inlet
chilly seal
so right now does it just constantly move towards that mouse position?
agile inlet
these are the bombs
it throws it straight upward
and it falls due to physics
and depending on which way the player is facing it goes the other direction
each image shows which respective direction the bomb goes
i have updated the code
chilly seal
okay but what currently happens
agile inlet
nothing because i removed the velocuty
actually because i did the collision layer i just removed the offset
chilly seal
well you don't need to put it in 2 scripts now, I thought you wanted the fireball to pathfind/track
agile inlet
oh i see.
chilly seal
go back to the code as it was before just cntrl Z
agile inlet
done
chilly seal
okay so what is currently happening when you throw the ball
chilly seal
they look like they're going sideways too
agile inlet
at a slight arc forward depending on the direction the player is facing
not at all related to the mouse's position
no matter where the mouse is
chilly seal
okay
chilly seal
I mean, that at the very least, should make it start moving towards the mouse
have you tried removing the torque
agile inlet
yeah i did, not much changed
because torque doesnt affect velocity unless your going off of transform.up or transform.right which are relative to the rotation
sorry was eating lunch, im back now
first i'll try some debugging methods
chilly seal
I guess make sure it’s going through that part of the code and that nothing else is changing the velocity
agile inlet
top one is mousepos and the bottome one is current velocity
how about getting the angle from the position of the projectile and the mouse position, and adding force in that direction
i see what the issue is
since im using perspective view of the scene, and not orthographic the position of the mouse was screwed up.
im kinda sad
i was using perspective view to have a parallax effect on the background
i have an idea on how to overcome this
maybe i can use a position multiplier in a script on the background objects to recreate it
ok, problem solved
do i need to close this forum post?
thank you so much
@chilly seal