; ShaderInt Example
; -----------------
; Requires Extended mode.

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

camera=CreateCamera()
PositionEntity camera,0,0,-5

light=CreateLight()
RotateEntity light,35,-30,0

cube=CreateCube()

; The shader declares an integer parameter named Mode
shader=LoadShader("assets/help_surface.b3shader")
EntityShader cube,shader

mode=1

While Not KeyDown(1)

    ; Press 1 / 2 to pick the shader's mode switch
    If KeyHit(2) Then mode=0
    If KeyHit(3) Then mode=1

    ; Send the integer switch to the shader
    ShaderInt shader,"Mode",mode

    TurnEntity cube,0.2,0.4,0

    ; 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

    mode_name$="plain tint"
    If mode=1 Then mode_name="tint plus glow"
    Color 255,255,255
    Text 0,0,"1 / 2 : mode   Arrow keys: move camera   Esc: exit"
    Text 0,20,"ShaderInt shader,"+Chr$(34)+"Mode"+Chr$(34)+","+mode+" ("+mode_name+")"

    Flip

Wend

FreeShader shader
End