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3D Game Programming for Teens (2nd Edition)
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3DGPFT2E.iso
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Source
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Chapter06
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demo06-02.bb
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2009-01-20
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;demo06-02.bb - Moving and rotating a sphere
; ------------------
Graphics3D 640,480
SetBuffer BackBuffer()
;Key constants
Const A_KEY = 30
Const Z_KEY = 44
Const LEFT_KEY = 203
Const RIGHT_KEY = 205
Const UP_KEY = 200
Const DOWN_KEY = 208
Const ESC_KEY = 1
Const N_KEY = 49
Const M_KEY = 50
Const COMMA = 51
Const PERIOD = 52
Const X_KEY = 45
Const C_KEY = 46
; Create camera
camera=CreateCamera()
; Create a light
light=CreateLight()
;Create sphere
sphere=CreateSphere(16)
PositionEntity sphere,0,0,5
;Load the texture
tex=LoadTexture( "brick.jpg" )
ScaleTexture tex, .5,.5
EntityTexture sphere,tex
; This following code moves our sphere:
While Not KeyDown(ESC_KEY)
If KeyDown(A_KEY) TranslateEntity sphere,0,-.3,0
If KeyDown(Z_KEY) TranslateEntity sphere,0,.3,0
If KeyDown(LEFT_KEY) TranslateEntity sphere, -0.3,0,0
If KeyDown(RIGHT_KEY) TranslateEntity sphere, 0.3,0,0
If KeyDown(UP_KEY) TranslateEntity sphere,0,0,0.3
If KeyDown(DOWN_KEY) TranslateEntity sphere,0,0,-0.3
; Change rotation values depending on the key pressed
If KeyDown(N_KEY)= True Then pitch#=pitch#-1
If KeyDown(M_KEY)=True Then pitch#=pitch#+1
If KeyDown(COMMA)=True Then yaw#=yaw#-1
If KeyDown(PERIOD)=True Then yaw#=yaw#+1
If KeyDown(X_KEY)=True Then roll#=roll#-1
If KeyDown(C_KEY)=True Then roll#=roll#+1
;Rotate
RotateEntity sphere,pitch#,yaw#,roll#
RenderWorld
Flip
Wend
End