Shoot em up smooth player movement code?

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GfK

This should get you going the right direction. Typed straight into replybox, so, untested.

Const KEY_LEFT = 203
Const KEY_RIGHT = 205

Repeat
  cls
  If KeyDown(KEY_LEFT)
    xSpeed = xSpeed - 0.1
  EndIf
  If KeyDown(KEY_RIGHT)
    xSpeed = xSpeed + 0.1
  EndIf
  If not KeyDown(KEY_LEFT) and xSpeed < 0
    xSpeed = xSpeed + 0.1
  EndIf
  If not KeyDown(KEY_RIGHT) and xSpeed > 0
    xSpeed = xSpeed - 0.1
  EndIf
  if Abs(xSpeed) < 0.1
    xSpeed = 0
  endif
  If xSpeed < -5 then xSpeed = -5
  If xSpeed > 5 then xSpeed = 5
  x = x + xSpeed
  DrawImage ship,x,y
flip
Forever