Probably this is also in other engines.
There is a function to apply a torque to the bodies, but this function 'ApplyEntityTorque()' does not allow to input the center of the torque; instead, the center is always the center of the body.
So, I tried to perform a torque in a body, not centered in its center, but in other different point.
The result is not the expected one by intuition: when the actions are done like in the code below, the center of mass should move, but it doesn't.
Still not completely sure this is the correct beaviour.
Code: Select all
RX.u=1024:RY.u=768
InitEngine3D()
Add3DArchive(#PB_Compiler_Home + "examples/3d/Data/Textures", #PB_3DArchive_FileSystem)
Parse3DScripts()
InitSprite():InitKeyboard():InitMouse()
OpenWindow(0,0,0,RX,RY,"tip",#PB_Window_BorderLess|#PB_Window_ScreenCentered)
OpenWindowedScreen(WindowID(0),0,0,RX,RY,0,0,0,#PB_Screen_WaitSynchronization)
CreateLight(0,$EEEEEE,4,4,2,#PB_Light_Point)
CreateCamera(0,0,0,100,100)
MoveCamera(0,0,0,3,#PB_Absolute)
LoadTexture(0,"terrain_detail.jpg")
CreateMaterial(0,TextureID(0))
CreateCylinder(0,0.2,1.4)
CreateEntity(0,MeshID(0),MaterialID(0),0,0,0)
WorldGravity(0.0)
CreateEntityBody(0,#PB_Entity_CylinderBody)
Repeat
WindowEvent()
ExamineKeyboard()
If KeyboardPushed(#PB_Key_Right); the center of mass should move ??, but it doesn't
ApplyEntityForce(0,0.1,0,0,0,2,0,#PB_World)
ApplyEntityForce(0,-0.1,0,0,0,1,0,#PB_World)
ElseIf KeyboardPushed(#PB_Key_Left); the center of mass should move ??, but it doesn't
ApplyEntityForce(0,-0.1,0,0,0,2,0,#PB_World)
ApplyEntityForce(0,0.1,0,0,0,1,0,#PB_World)
EndIf
RenderWorld()
FlipBuffers()
Until KeyboardPushed(#PB_Key_Escape)
