Do you meen something more like this?
Open in online IDE;grid based camera with mouse wheel. ;Todo list ;first lock a plane to the mouse that has a grid ;call it local_plane ;second make another grid that the mousegrid overlay ;call it global_plane ;Third make a raze and lower function that raises the grid you know like in maplet ;forth make a fuction to create all of blitzs primitives ; if I get this far I'll write fith,sixth ect... Graphics3D 640,480 SetBuffer BackBuffer() SeedRnd MilliSecs() lite=CreateLight() point=CreateSprite() EntityColor point,255,0,0 PositionEntity point,0,0,10 Global camera=CreateCamera(point) PositionEntity camera,0,0,0 ;RotateEntity camera,0,0,0 local_plane=CreateTerrain(16) ;Load your grid texture here ;grid=LoadTexture("data/Maper_grid.bmp") ;EntityTexture local_plane,grid EntityColor local_plane,0,255,0 PositionEntity local_plane,0,-5,0 PointEntity camera,point ;*************************************************************************************************** ;Start of Main loop********************************************************************************* ;*************************************************************************************************** While Not KeyDown( 1 ) PositionEntity point,EntityX(point),0,MouseZ() SpriteViewMode point,3 ;PositionEntity local_plane, EntityX(point),-5,EntityZ(point) If KeyDown( 205 )=True Then TurnEntity point,0,-1,0 If KeyDown( 203 )=True Then TurnEntity point,0,1,0 If KeyDown( 208 )=True Then MoveEntity point,0,0,-0.05 If KeyDown( 200 )=True Then MoveEntity point,0,0,0.05 UpdateWorld() RenderWorld Text 10,20,"camera position:"+(EntityX(point))+" "+EntityY(point)+" "+EntityZ(point) Flip Wend ;************************************************************************************************** ;End of Mainloop*********************************************************************************** ;************************************************************************************************** End