; DebugBox Example
; ----------------
; Requires Extended mode.

Graphics3D 640,480,0,2
SetBuffer BackBuffer()

camera=CreateCamera()
PositionEntity camera,0,2,-8

light=CreateLight()
RotateEntity light,45,45,0

; A patrolling enemy for the debug overlay to track
enemy=CreateCube()
EntityColor enemy,220,60,60

show=True

While Not KeyDown(1)

    ; Space toggles the debug overlay
    If KeyHit(57) Then show=Not show

    ; The enemy patrols left and right while spinning
    angle#=angle+2
    PositionEntity enemy,4*Sin(angle),0,2
    TurnEntity enemy,0,3,0

    ; DebugBox queues a wireframe box around the enemy for the next RenderWorld
    If show Then DebugBox EntityX(enemy),EntityY(enemy),EntityZ(enemy),3,3,3,255,220,0

    ; Arrow keys move the camera
    If KeyDown(200) Then MoveEntity camera,0,0,0.1
    If KeyDown(208) Then MoveEntity camera,0,0,-0.1
    If KeyDown(203) Then TurnEntity camera,0,1,0
    If KeyDown(205) Then TurnEntity camera,0,-1,0

    RenderWorld

    Text 0,0,"Arrow keys: move camera   Space: toggle overlay   Esc: exit"
    If show Then Text 0,20,"DebugBox tracks the enemy every frame" Else Text 0,20,"Overlay off - press Space"

    Flip

Wend

End