Dam, now my head hurts too, but here is the cause:
;Generate the landscape scr=512 ;alter if you like SeedRnd(MilliSecs()) Dim plots(scr-1,scr-1) For a=0 To scr-1 For b=0 To scr-1 plots(a,b)=Rand(0,1) Next Next ;While Not KeyHit(1) For a=0 To 399999 ;alter too if you like x=Rand(scr,scr+scr-1) y=Rand(scr,scr+scr-1) b=0 For c=-2 To 2 For d=-2 To 2 If Abs(c)+Abs(d)<4 Then b=b+plots((x+c) Mod scr,(y+d) Mod scr) Next Next b=b+Rand(0,4) plots(x-scr,y-scr)=b/13 Next c1#=Cos(Rnd(0,180))/2.0+.5 c2#=Cos(Rnd(0,180))/2.0+.5 c3#=Cos(Rnd(0,180))/2.0+.5 c4#=Cos(Rnd(0,180))/2.0+.5 c5#=Cos(Rnd(0,180))/2.0+.5 c6#=Cos(Rnd(0,180))/2.0+.5 c1=0 c3=0 c5=0 c2=1 c4=1 c6=1 ; LockBuffer BackBuffer() out=WriteFile("Output.bmp") WriteByte(out,66) WriteByte(out,77) WriteByte(out,118) WriteByte(out,47) SeekFile(out,10) WriteByte(out,54) SeekFile(out,14) WriteByte(out,40) SeekFile(out,18) WriteShort(out,scr) SeekFile(out,22) WriteShort(out,scr) SeekFile(out,26) WriteByte(out,1) SeekFile(out,28) WriteByte(out,24) SeekFile(out,34) WriteByte(out,64) WriteByte(out,47) SeekFile(out,54) strange=scr Mod 4 For x=scr To scr+scr-1 For y=scr To scr+scr-1 b=0 For c=-2 To 2 For d=-2 To 2 If Abs(c)+Abs(d)<4 Then b=b+plots((x+c) Mod scr,(y+d) Mod scr) Next Next WriteByte(out,(c1*(21-b)+c2*b)*255.0/21.0) WriteByte(out,(c3*(21-b)+c4*b)*255.0/21.0) WriteByte(out,(c5*(21-b)+c6*b)*255.0/21.0) ; WritePixelFast x-scr,y-scr,255*256*256+b*256*6,BackBuffer() Next For a=1 To strange WriteByte(out,0) Next Next ; UnlockBuffer BackBuffer() ; Flip Graphics3D 640,480 camera=CreateCamera() position=CreatePivot() positionsl=CreatePivot() positionst=CreatePivot() button=CreatePivot() EntityRadius position,1 EntityRadius positionsl,1 EntityRadius positionst,1 EntityRadius button,.01 PositionEntity button,0,-1.02,0 ;EntityType position,1 EntityType positionsl,2 EntityType positionst,3 EntityType button,4 texture=LoadTexture("Output.bmp") ScaleTexture texture,64,64 aterr=LoadTerrain("Output.bmp") ScaleEntity aterr,2,8,2 MoveEntity aterr,-50,-100,-50 EntityTexture aterr,texture TerrainDetail aterr,5000 EntityType aterr,5 Collisions 2,5,2,2 Collisions 3,5,2,3 Collisions 4,5,2,2 Repeat mx% = MouseX() my% = MouseY() rotation# = rotation# + (mx% - 200) * .1 tilt# = tilt# + (my% - 200) * .1 If tilt# < -90 Then tilt# = -90 If tilt# > 90 Then tilt# = 90 If rotation# < 0 Then rotation# = rotation# + 360 If rotation# > 360 Then rotation# = rotation# - 360 MoveMouse 200, 200 walk%=0 stepp%=0 If KeyDown(17) walk% = 2 If KeyDown(31) walk% = -2 If KeyDown(30) stepp% = -2 If KeyDown(32) stepp% = 2 If KeyDown(1) endproc% = 1 If KeyDown(57) And inair=0 Then bmove#=0.35 End If dmove# = 1 If walk% <> 0 And stepp% <> 0 Then dmove# = .707106 If inair=0 Then cmove# = cmove# + (Cos(rotation#) * walk% * dmove# - Sin(rotation#) * stepp% * dmove#)*.01 amove# = amove# + (Sin(rotation#) * walk% * dmove# + Cos(rotation#) * stepp% * dmove#)*.01 End If If ground Then cmove# = cmove# * .95 amove# = amove# * .95 End If If cmove*cmove+amove*amove<.000001 Then cmove=0 amove=0 End If ;the gravity bmove#=bmove-.025 smartx#=EntityX(position) smarty#=EntityY(position) smartz#=EntityZ(position) PositionEntity positionsl,EntityX(position)+amove,EntityY(position)+bmove,EntityZ(position)+cmove PositionEntity positionst,EntityX(position)+amove,EntityY(position)+bmove,EntityZ(position)+cmove PositionEntity button,EntityX(position)+amove,EntityY(position)+bmove-1.2,EntityZ(position)+cmove UpdateWorld If EntityCollided(button,5)<>0 Then inair=0 ; bmove=0 PositionEntity position,EntityX(positionst),EntityY(positionst),EntityZ(positionst) Else inair=1 PositionEntity position,EntityX(positionsl),EntityY(positionsl),EntityZ(positionsl) End If ground=0 If EntityCollided(positionsl,5) Then bmove=0 ground=1 End If RotateEntity camera,tilt#,-rotation#,0 PositionEntity camera,EntityX(position),EntityY(position)+.7,EntityZ(position) RenderWorld Flip amove=EntityX(position)-smartx bmove=EntityY(position)-smarty cmove=EntityZ(position)-smartz Until endproc