3D - FPS/TPS : Bullet at center of the screen

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Newcomers AppGameKit Corner / 3D - FPS/TPS : Bullet at center of the screen

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Blendman

Years of Service

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Joined: 17th Feb 2014

Location: Arkeos

Posted: 5th Mar 2018 15:10

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Hi

Do you know how I can send the bullets of my gun at the center of the screen (like in a tps/ fps ) ?

For the moment, I have that (but it's bugged ^^) :

But I don't know how to shoot always the "target", which can change if we move the view with the mouse.

Do you know how I can do that ?

Thanks a lot

AGK2 tier1 - http://www.dracaena-studio.com

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blink0k

Moderator

Years of Service

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Joined: 22nd Feb 2013

Location: the land of oz

Posted: 5th Mar 2018 22:37

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i would say you need to get a vector from the direction the camera is looking, starting at the center of the screen (if that's where you want them to start from).

+ Code Snippet

   // get a vector that points in the direction the camera is looking from the center of the screen
    c.x = Get3DVectorXFromScreen( GetVirtualWidth()/2.0, GetVirtualHeight()/2.0 )
    c.y = Get3DVectorYFromScreen( GetVirtualWidth()/2.0, GetVirtualHeight()/2.0 )
    c.z = Get3DVectorZFromScreen( GetVirtualWidth()/2.0, GetVirtualHeight()/2.0 )

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puzzler2018

User Banned

Posted: 6th Mar 2018 21:15 Edited at: 6th Mar 2018 21:21

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Movement

+ Code Snippet


    global startx#, starty#, angyx#, angy#


    startx# = getdevicewidth()/2
    starty# = getdeviceheight/2
    angx# = GetCameraAngleX(1)
    angy# = GetCameraAngleY(1)

    do
    ...
    ..


sync().
loop


function movecamerawithmouse()
     
    fDiffX# = (GetPointerX() - startx#)        
    fDiffY# = (GetPointerY() - starty#)
    newX# = angx# + fDiffY#
    if ( newX# > 40 ) then newX# = 40
    if ( newX# < -60 ) then newX# = -60
    SetCameraRotation( 1, newX#, angy# + fDiffX#, 0 )
     
endfunction

Edit.. You need to add the function in the main loop somewhere - oops

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Newcomers AppGameKit Corner / 3D - FPS/TPS : Bullet at center of the screen