3d engine

[nov]

движок как движок, других незнаю поэтому ми с этим сравниваю, вот например код с хелпа, это будет ездить машинка по неровной поверхноти. Когда они уже эти три процента доделают, посмотреть хочется:)

Код:

Global info1$="Driver"

Include "../start.bb"

Const GRAVITY#=-.01

Const BODY=1,WHEEL=2,SCENE=3

Collisions BODY,SCENE,2,3
Collisions WHEEL,SCENE,2,3

terr=LoadTerrain( "heightmap_256.bmp" )
ScaleEntity terr,1000/TerrainSize(terr),70,1000/TerrainSize(terr)
TerrainDetail terr,1000,True
TerrainShading terr,True
PositionEntity terr,-500,0,-500
tex=LoadTexture( "terrain-1.jpg" )
ScaleTexture tex,50,50
EntityTexture terr,tex
EntityType terr,SCENE

car=LoadMesh( "car.x" )
ScaleMesh car,1,1,-1
FlipMesh car
FitMesh car,-1.5,-1,-3,3,2,6
PositionEntity car,0,70,0
EntityShininess car,1
EntityType car,BODY

Global wheels[4]

cnt=1
For z#=1.5 To -1.5 Step -3
For x#=-1 To 1 Step 2
wheels[cnt]=CreateSphere( 8,car )
EntityAlpha wheels[cnt],.5
ScaleEntity wheels[cnt],.5,.5,.5
EntityRadius wheels[cnt],.5
PositionEntity wheels[cnt],x,0,z
EntityType wheels[cnt],WHEEL
cnt=cnt+1
Next
Next

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

target=CreatePivot( car )
PositionEntity target,0,5,-12

camera=CreateCamera()
CameraClsColor camera,0,128,255

speed#=0
x_vel#=0:prev_x#=EntityX( car )
y_vel#=0:prev_y#=EntityY( car )
z_vel#=0:prev_z#=EntityZ( car )

While Not KeyHit(1)

;align car to wheels
zx#=(EntityX( wheels[2],True )+EntityX( wheels[4],True ))/2
zx=zx-(EntityX( wheels[1],True )+EntityX( wheels[3],True ))/2
zy#=(EntityY( wheels[2],True )+EntityY( wheels[4],True ))/2
zy=zy-(EntityY( wheels[1],True )+EntityY( wheels[3],True ))/2
zz#=(EntityZ( wheels[2],True )+EntityZ( wheels[4],True ))/2
zz=zz-(EntityZ( wheels[1],True )+EntityZ( wheels[3],True ))/2
AlignToVector car,zx,zy,zz,1

zx#=(EntityX( wheels[1],True )+EntityX( wheels[2],True ))/2
zx=zx-(EntityX( wheels[3],True )+EntityX( wheels[4],True ))/2
zy#=(EntityY( wheels[1],True )+EntityY( wheels[2],True ))/2
zy=zy-(EntityY( wheels[3],True )+EntityY( wheels[4],True ))/2
zz#=(EntityZ( wheels[1],True )+EntityZ( wheels[2],True ))/2
zz=zz-(EntityZ( wheels[3],True )+EntityZ( wheels[4],True ))/2
AlignToVector car,zx,zy,zz,3

;calculate car velocities
cx#=EntityX( car ):x_vel=cx-prev_x:prev_x=cx
cy#=EntityY( car ):y_vel=cy-prev_y:prev_y=cy
cz#=EntityZ( car ):z_vel=cz-prev_z:prev_z=cz

;resposition wheels
cnt=1
For z=1.5 To -1.5 Step -3
For x=-1 To 1 Step 2
;PositionEntity wheels[cnt],0,0,0
;ResetEntity wheels[cnt]
PositionEntity wheels[cnt],x,-1,z
cnt=cnt+1
Next
Next

;move car
If KeyDown(203) TurnEntity car,0,3,0
If KeyDown(205) TurnEntity car,0,-3,0
If EntityCollided( car,SCENE )
If KeyDown(200)
speed=speed+.02
If speed>.7 speed=.7
Else If KeyDown(208)
speed=speed-.02
If speed<-.5 speed=-.5
Else
speed=speed*.9
EndIf
MoveEntity car,0,0,speed
TranslateEntity car,0,GRAVITY,0
Else
TranslateEntity car,x_vel,y_vel+GRAVITY,z_vel
EndIf

;update camera
If speed>=0
dx#=EntityX( target,True )-EntityX( camera )
dy#=EntityY( target,True )-EntityY( camera )
dz#=EntityZ( target,True )-EntityZ( camera )
TranslateEntity camera,dx*.1,dy*.1,dz*.1
EndIf
PointEntity camera,car

UpdateWorld
RenderWorld
Flip
Wend

End