; CreatePhysicsBody Example
; -------------------------
; Requires Extended mode.

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

; Body types: 0 static, 1 kinematic, 2 dynamic
Const PHYSICS_STATIC=0
Const PHYSICS_DYNAMIC=2

camera=CreateCamera()
PositionEntity camera,0,3,-9

light=CreateLight()
RotateEntity light,45,-30,0
AmbientLight 50,50,50

; Independent Box3D world with Earth-like gravity
world=CreatePhysicsWorld()
PhysicsGravity world,0,-9.81,0

; The blue ground gets a static body - it never moves
ground=CreateCube()
ScaleEntity ground,4,0.5,4
PositionEntity ground,0,-0.5,0,True
EntityColor ground,80,160,255
ground_body=CreatePhysicsBody(world,ground,PHYSICS_STATIC)
ground_shape=PhysicsBodyBox(ground_body,8,1,8,0)

; The orange crate gets a dynamic body - Box3D drives its entity
crate=CreateCube()
ScaleEntity crate,0.5,0.5,0.5
PositionEntity crate,0,3,0,True
EntityColor crate,255,120,70
crate_body=CreatePhysicsBody(world,crate,PHYSICS_DYNAMIC)
crate_shape=PhysicsBodyBox(crate_body,1,1,1,1)
PhysicsShapeRestitution crate_shape,0.4

While Not KeyDown(1)

    ; Space tosses the crate back up
    If KeyHit(57) Then PhysicsBodyVelocity crate_body,0,6,0

    ; Advance the Box3D simulation by one 60 Hz step
    StepPhysics world,1.0/60.0,4

    ; 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: toss the crate   Esc: exit"
    Text 0,20,"Dynamic crate body: "+crate_body+"   Static ground body: "+ground_body

    Flip

Wend

FreePhysicsWorld world
FreeEntity crate
FreeEntity ground
End