; ; ------------------------------------------------------------ ; ; PureBasic - Orientation ; ; (c) Fantaisie Software ; ; ------------------------------------------------------------ ; #CameraSpeed = 1 IncludeFile #PB_Compiler_Home + "examples/3d/Screen3DRequester.pb" Declare ConvertLocalToWorld(*N.Vector3, *P.Vector3, *Orientation.Vector4, *Position.Vector3) Define.f KeyX, KeyY, MouseX, MouseY, RollZ, sens = -1 Define Pos.Vector3, Orientation.Vector4 Define.Vector3 Resultat, C1, C2 C1\x = -25 : C1\y = -25 : C1\z = -25 C2\x = 25 : C2\y = 25 : C2\z = 25 If InitEngine3D() Add3DArchive(#PB_Compiler_Home + "examples/3d/Data/Textures", #PB_3DArchive_FileSystem) Add3DArchive(#PB_Compiler_Home + "examples/3d/Data/Models", #PB_3DArchive_FileSystem) Add3DArchive(#PB_Compiler_Home + "examples/3d/Data/Packs/skybox.zip", #PB_3DArchive_Zip) Add3DArchive(#PB_Compiler_Home + "examples/3d/Data/Scripts", #PB_3DArchive_FileSystem) Parse3DScripts() InitSprite() InitKeyboard() InitMouse() If Screen3DRequester() CreateCube(0, 50) CreateSphere(1, 5) CreateMaterial(0, LoadTexture(0, "Dirt.jpg")) CreateMaterial(1, LoadTexture(1, "Wood.jpg")) CreateEntity(0, MeshID(0), MaterialID(0)) CreateEntity(1, MeshID(1), MaterialID(1)) CreateEntity(2, MeshID(1), MaterialID(1)) SkyBox("stevecube.jpg") CreateCamera(0, 0, 0, 100, 100) MoveCamera(0, 90, 80, 150, #PB_Absolute) Repeat Screen3DEvents() If ExamineMouse() MouseX = -MouseDeltaX() * #CameraSpeed * 0.05 MouseY = -MouseDeltaY() * #CameraSpeed * 0.05 EndIf If ExamineKeyboard() EndIf RotateEntity(0, 0, 0.4, 0, #PB_Relative) MoveEntity(0, 0, 0, -1, #PB_Local) Pos\x = EntityX(0) : Pos\y = EntityY(0) :Pos\z = EntityZ(0) FetchOrientation(EntityID(0)) Orientation\x = GetX() Orientation\y = GetY() Orientation\z = GetZ() Orientation\w = GetW() ConvertLocalToWorld(@Resultat, @C1, @Orientation, @Pos) MoveEntity(1, Resultat\x, Resultat\y, Resultat\z, #PB_Absolute) ConvertLocalToWorld(@Resultat, @C2, @Orientation, @Pos) MoveEntity(2, Resultat\x, Resultat\y, Resultat\z, #PB_Absolute) CameraLookAt(0, Pos\x, Pos\y, Pos\z) RenderWorld() FlipBuffers() Until KeyboardPushed(#PB_Key_Escape) Or Quit = 1 EndIf Else MessageRequester("Error", "The 3D Engine can't be initialized",0) EndIf End Macro CROSS_PRODUCT(N, V1, V2) N\x = ((V1\y * V2\z) - (V1\z * V2\y)) N\y = ((V1\z * V2\x) - (V1\x * V2\z)) N\z = ((V1\x * V2\y) - (V1\y * V2\x)) EndMacro Procedure QuaternionVector3(*R.Vector3, *Q.Vector4, *P.Vector3) ; nVidia SDK implementation Protected.Vector3 uv, uuv CROSS_PRODUCT(uv, *Q, *P) CROSS_PRODUCT(uuv, *Q, uv) uv\x * (2.0 * *Q\w) : uv\y * (2.0 * *Q\w) : uv\z * (2.0 * *Q\w) uuv\x * 2.0 : uuv\y * 2.0 : uuv\z * 2.0 *R\x = *P\x + uv\x + uuv\x *R\y = *P\y + uv\y + uuv\y *R\z = *P\z + uv\z + uuv\z EndProcedure Procedure ConvertLocalToWorld(*N.Vector3, *P.Vector3, *Orientation.Vector4, *Position.Vector3) Protected.Vector3 R QuaternionVector3(@R, *Orientation, *P) *N\x = R\x + *Position\x *N\y = R\y + *Position\y *N\z = R\z + *Position\z EndProcedure“