Making a 2D Gamemode, need help with aiming system.

[Staneh]

Hey guys, I am making a 2D Gamemode, all the view stuff is done, most of all stuff is done, except the actual most important aspect in the gamemode, the aiming and shooting. I want my aim-system to be like [media]http://www.youtube.com/watch?v=A8sWNI-tImc[/media] , ofcourse it doesn't have to be a fancy crosshair like that. I just want so that my player can rotate and shoot by using the mouse. This is what I got now: [url]http://www.wegame.com/watch/aiming-gone-wrong/[/url] I can't turn around, only shoot up or down, in the position right. It would be very nice if you guys could help me with this, because i'm having a hard time figuring it out. I got this code now:[lua]local ply = LocalPlayer()
local test = gui.ScreenToVector(gui.MousePos())
local Vec1 = test
local Vec2 = ply:GetShootPos()
local Ang = (Vec1 - Vec2):Angle()
ply:SetEyeAngles( Ang )[/lua]

But that didn't work, I tried setting gui.EnableScreenClicker, but it won't look/shoot at the mouse position then.

[Drew P. Richard]

Can you post your camera code so I can see that too? I think I know how to do this.

[editline]8th March 2011[/editline]

Never mind about the camera, play around with this:

[lua]
local function DrawCrosshair()
local tr = {}
tr.start = LocalPlayer():GetShootPos()
tr.endpos = tr.start + LocalPlayer():GetAimVector()*1000
tr.mask = MASK_ALL
tr = util.TraceLine(tr)
local pos = tr.HitPos:ToScreen()
surface.DrawCircle(pos.x,pos.y,15,Color(0,200,0,255))
end
hook.Add("HUDPaint","DrawCrosshair",DrawCrosshair)
[/lua]

You multiply by how many units ahead you want it to be.

[Staneh]

That didn't quite work. I don't see any circles, or crosshairs on my screen at all, for your information, I placed it in cl_init, if that's alright.

[Drew P. Richard]

That's very weird, it worked fine for me. It should point 1000 units ahead of where you're aiming.

[Staneh]

Did you maybe enable gui.EnableScreenClicker, or? I can't see any crosshair or circle or whatever.

Wait, I do see the circle when I set line 4 to tr.endpos = tr.start + LocalPlayer():GetAimVector()*0, but then the circle just stays in the middle.

[Drew P. Richard]

Post me your camera code.

All I did was open sandbox and run that.

[editline]8th March 2011[/editline]

[QUOTE=Staneh;28497248]Did you maybe enable gui.EnableScreenClicker, or? I can't see any crosshair or circle or whatever.

Wait, I do see the circle when I set line 4 to tr.endpos = tr.start + LocalPlayer():GetAimVector()*0, but then the circle just stays in the middle.[/QUOTE]

Then adjust the length.

[Staneh]

[lua]scrollview = -200

function MyCalcView(ply, pos, angles, fov)

local view = {}
view.origin = pos + Vector(scrollview,0,0)
view.angles = Angle(0,0,0)
view.fov = fov

return view
end
hook.Add("CalcView", "MyCalcView", MyCalcView)

function GM:Think()

scrollview = math.Clamp( scrollview, -500, -60 )

if ( input.IsKeyDown( KEY_T ) ) then

scrollview = scrollview + 20

elseif ( input.IsKeyDown( KEY_G ) ) then

scrollview = scrollview - 20

end
end

hook.Add("ShouldDrawLocalPlayer", "MyHax ShouldDrawLocalPlayer", function(ply)
return true
end)

hook.Add("CreateMove", "LockMyView", function(ucmd)
ucmd:SetViewAngles(Angle(ucmd:GetViewAngles().p, -90, 0))
end)[/lua]

This is my camera code, but, I kind of got it working, it's just that, the player can't rotate when he looks to the left. I need to rotate too.

The think hook is for scrolling the view closer and further away. CreateMove is there to prevent the player from looking left or right.

[Drew P. Richard]

You're preventing the player from looking left, but he can't rotate to the left? You just answered your own question.

[Staneh]

Well, at the first sentence I ment literally to the left, and at the second sentence I ment of the forward position of the player.

[Drew P. Richard]

Try commenting out that view angles line.

[Staneh]

[img]http://img651.imageshack.us/i/naamloospse.jpg/[/img]

This blocks the player from looking in the arrow's directions.

[Staneh]

Bump, I really need someone to help me with this.

[E X C L]

[QUOTE=Staneh;28507586]Bump, I really need someone to help me with this.[/QUOTE]

What is it exactly that is not working?

[editline]9th March 2011[/editline]

Any errors?

[Staneh]

I want the aiming system to be like in the Deathrun video, that theres a dot where your mouse is. But the examples given didn't match my question.

[Wolfo]

This is what I made for my 2D "RecycleIt!" gamemode, you are free to use it:
[lua]

function GM:CreateMove( cmd )
local Pl = LocalPlayer()
local MousePosition = gui.ScreenToVector(gui.MousePos())
local MousePositionx, MousePositiony = gui.MousePos()
if ( Pl:Alive() and Pl:Team() != TEAM_SPECTATOR ) then

cmd:SetForwardMove( cmd:GetSideMove() )

local ang

local shootingpos = ( Pl:GetShootPos() ):ToScreen()
local sumx = (MousePositionx - 10) - shootingpos.x
local sumy = (MousePositiony - 10) - shootingpos.y

ang = math.Rad2Deg( math.atan2( sumy, sumx ) )

if MousePosition.y <= 0 then
cmd:SetViewAngles( Angle( math.NormalizeAngle(ang), -90, 0 ) )
else
cmd:SetViewAngles( Angle( math.NormalizeAngle(180 - ang), 90, 0 ) )
cmd:SetForwardMove( -cmd:GetSideMove() )
end

cmd:SetSideMove( 0 )

end
end

[/lua]

[Staneh]

Well, it didn't help the aiming, it flipped my player viewangle, but I can't aim at all right now.

[Wolfo]

[QUOTE=Staneh;28511747]Well, it didn't help the aiming, it flipped my player viewangle, but I can't aim at all right now.[/QUOTE]
Of course because that was made for my gamemode. Make the pointer appear, I use an invisible derma panel which uses gui.EnableScreenClicker( true ) to show the pointer. This basically gets the position of the pointer and translates it so that it becomes player's aim pointer as well changing its angles when left/right.

[Staneh]

Oh, I understand now, let me try it.

[editline]9th March 2011[/editline]

[QUOTE=Wolfo;28512024]Of course because that was made for my gamemode. Make the pointer appear, I use an invisible derma panel which uses gui.EnableScreenClicker( true ) to show the pointer. This basically gets the position of the pointer and translates it so that it becomes player's aim pointer as well changing its angles when left/right.[/QUOTE]

Oh man, you're my hero. It works, although, I can't shoot right now, any way to make the player so he can shoot?

[Wolfo]

[QUOTE=Staneh;28512072]Oh, I understand now, let me try it.

[editline]9th March 2011[/editline]
Oh man, you're my hero. It works, although, I can't shoot right now, any way to make the player so he can shoot?[/QUOTE]

Might help?
[lua]
function GM:GUIMousePressed(mc)
if mc == MOUSE_LEFT then RunConsoleCommand("+attack")
elseif mc == MOUSE_RIGHT then RunConsoleCommand("+attack2")
end
end

function GM:GUIMouseReleased(mc)
if mc == MOUSE_LEFT then RunConsoleCommand("-attack")
elseif mc == MOUSE_RIGHT then RunConsoleCommand("-attack2")
end
end
[/lua]

This will work only if the pointer is NOT on a derma.

[_Undefined]

I remembered your thread when I found this: [url]http://deathrun2d.googlecode.com/svn/trunk/[/url]

<3 Ha3

[Jo The Shmo]

8:53 PM - Hatefuleagle: all he needs to use is RotateAroundAxis when the mouses x pos is less than the players x position relative to the screen
8:54 PM - Hatefuleagle:
[lua]function MouseMove(cmd)
if ( !LocalPlayer():Alive() ) then return end

local ply = ( LocalPlayer():GetPos() + Vector(0, 0, 64) ):ToScreen()
local vec = Vector( ply.x, ply.y, 0 )
local pos = Vector( gui.MouseX(), gui.MouseY(), 0 )
local angle = ( pos-vec ):Angle()
local dirang = 0
if ( pos.x > ply.x ) then
side = 180
angle.y = math.AngleDifference( angle.y, 360 )
cmd:SetForwardMove( cmd:GetSideMove() )
else
angle:RotateAroundAxis( Vector(0, 0, 1), 180 )
angle.y = -angle.y
side = 0
angle.y = math.AngleDifference( angle.y, 360 )
cmd:SetForwardMove( -cmd:GetSideMove() )
end

cmd:SetViewAngles( Angle(angle.y, side, 0) )
cmd:SetSideMove( 0 )
end
hook.Add("CreateMove", "MouseMove", MouseMove)[/lua]
8:54 PM - Hatefuleagle: litteral copy paste from mine
8:55 PM - Jo The Shmo: are you going to post in the thread
8:55 PM - Hatefuleagle: nah
8:55 PM - Hatefuleagle: I don't ever post on FP

He made a gamemode similar to the one in the OP a few months ago and it worked great.