func initGL() { gl.ShadeModel(gl.SMOOTH) gl.ClearColor(0, 0, 0, 0) gl.ClearDepth(1) gl.Enable(gl.DEPTH_TEST) gl.DepthFunc(gl.LEQUAL) gl.Hint(gl.PERSPECTIVE_CORRECTION_HINT, gl.NICEST) }
func init_() { //pos := []float64{5.0, 5.0, 10.0, 0.0} colors := map[string][]float32{ "0": {0.7, 0.7, 0.7, 1.0}, "1": {1.0, 0.0, 0.0, 1.0}, "2": {1.0, 0.6, 0.0, 1.0}, "3": {1.0, 1.0, 0.0, 1.0}, "4": {0.0, 1.0, 0.0, 1.0}, "5": {0.0, 0.0, 1.0, 1.0}, "6": {0.0, 0.6, 1.0, 1.0}, "7": {1.0, 0.0, 1.0, 1.0}, "8": {1.0, 1.0, 1.0, 1.0}, "9": {0.3, 0.3, 0.3, 1.0}, } fetchChunks(2, 2) gl.ShadeModel(gl.SMOOTH) gl.ClearColor(0.2, 0.2, 0.6, 0.0) gl.ClearDepth(1.0) gl.Enable(gl.DEPTH_TEST) gl.DepthFunc(gl.LEQUAL) gl.Enable(gl.COLOR_MATERIAL) gl.Enable(gl.CULL_FACE) gl.Hint(gl.PERSPECTIVE_CORRECTION_HINT, gl.NICEST) gl.Hint(gl.LINE_SMOOTH_HINT, gl.NICEST) gl.Lightfv(gl.LIGHT0, gl.AMBIENT, lightAmbient) gl.Lightfv(gl.LIGHT0, gl.DIFFUSE, lightDiffuse) gl.Lightfv(gl.LIGHT0, gl.POSITION, lightPosition) gl.Enable(gl.LIGHT0) gl.Enable(gl.LIGHTING) for name, color := range colors { /* make a cube */ cubes[name] = gl.GenLists(1) gl.NewList(cubes[name], gl.COMPILE) cube(color) gl.EndList() } if *printInfo { print("GL_RENDERER = ", gl.GetString(gl.RENDERER), "\n") print("GL_VERSION = ", gl.GetString(gl.VERSION), "\n") print("GL_VENDOR = ", gl.GetString(gl.VENDOR), "\n") print("GL_EXTENSIONS = ", gl.GetString(gl.EXTENSIONS), "\n") } }
func SetupVideo() { if sdl.Init(sdl.INIT_VIDEO) < 0 { panic("Couldn't initialize sdl") } w := WinW h := WinH var screen = sdl.SetVideoMode(w, h, 32, SDL_FLAGS) // var screen = sdl.SetVideoMode(w, h, 32, sdl.OPENGLBLIT | sdl.DOUBLEBUF | sdl.HWSURFACE) // var screen = sdl.SetVideoMode(w, h, 32, sdl.OPENGL) if screen == nil { panic("sdl error") } if ttf.Init() != 0 { panic("ttf init error") } if gl.Init() != 0 { panic("Couldn't init gl") } ResizeWindow(screen.W, screen.H) gl.ClearColor(0, 0, 0, 0) // gl.ClearColor(1, 1, 1, 0) gl.ClearDepth(1.0) gl.DepthFunc(gl.LEQUAL) gl.Enable(gl.DEPTH_TEST) gl.ShadeModel(gl.SMOOTH) gl.Hint(gl.PERSPECTIVE_CORRECTION_HINT, gl.NICEST) /* if gl.Init() != 0 { panic("glew error") } */ // gl.Clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT ) // gl.Clear(gl.COLOR_BUFFER_BIT) // initGL // gl.Ortho(0, gl.GLdouble(screen.W), gl.GLdouble(screen.H), 0, -1.0, 1.0) }
// general OpenGL initialization func initGL() { gl.Enable(gl.TEXTURE_2D) gl.ShadeModel(gl.SMOOTH) gl.ClearColor(0.0, 0.0, 0.0, 0.5) gl.ClearDepth(1.0) gl.Enable(gl.DEPTH_TEST) gl.DepthFunc(gl.LEQUAL) gl.Hint(gl.PERSPECTIVE_CORRECTION_HINT, gl.NICEST) // Setup the light gl.Lightfv(gl.LIGHT1, gl.AMBIENT, lightAmbient[:]) // ambient lighting gl.Lightfv(gl.LIGHT1, gl.DIFFUSE, lightDiffuse[:]) // make it diffuse gl.Lightfv(gl.LIGHT1, gl.POSITION, lightPosition[:]) // and place it gl.Enable(gl.LIGHT1) // and finally turn it on. gl.Color4f(1.0, 1.0, 1.0, 0.5) // Full Brightness, 50% Alpha ( NEW ) gl.BlendFunc(gl.SRC_ALPHA, gl.ONE) // Blending Function For Translucency Based On Source Alpha Value ( NEW ) }
// general OpenGL initialization func initGL() { // enable smooth shading gl.ShadeModel(gl.SMOOTH) // Set the background to black gl.ClearColor(0.0, 0.0, 0.0, 0.0) // Depth buffer setup gl.ClearDepth(1.0) // Enable depth testing gl.Enable(gl.DEPTH_TEST) // The type of test gl.DepthFunc(gl.LEQUAL) // Nicest perspective correction gl.Hint(gl.PERSPECTIVE_CORRECTION_HINT, gl.NICEST) }
// general OpenGL initialization func initGL() { LoadGLTextures("data/mud.bmp") gl.Enable(gl.TEXTURE_2D) gl.ShadeModel(gl.SMOOTH) gl.ClearColor(0.0, 0.0, 0.0, 0.0) gl.ClearDepth(1.0) gl.Enable(gl.DEPTH_TEST) gl.DepthFunc(gl.LEQUAL) gl.Hint(gl.PERSPECTIVE_CORRECTION_HINT, gl.NICEST) gl.Lightfv(gl.LIGHT1, gl.AMBIENT, lightAmbient[:]) gl.Lightfv(gl.LIGHT1, gl.DIFFUSE, lightDiffuse[:]) gl.Lightfv(gl.LIGHT1, gl.POSITION, lightPosition[:]) gl.Enable(gl.LIGHT1) gl.Color4f(1.0, 1.0, 1.0, 0.5) gl.BlendFunc(gl.SRC_ALPHA, gl.ONE) }
// general OpenGL initialization func initGL() { gl.Enable(gl.TEXTURE_2D) gl.ShadeModel(gl.SMOOTH) gl.ClearColor(0.0, 0.0, 0.0, 0.5) gl.ClearDepth(1.0) gl.Enable(gl.DEPTH_TEST) gl.DepthFunc(gl.LEQUAL) gl.Hint(gl.PERSPECTIVE_CORRECTION_HINT, gl.NICEST) // Setup the light gl.Lightfv(gl.LIGHT1, gl.AMBIENT, lightAmbient1[:]) // ambient lighting gl.Lightfv(gl.LIGHT1, gl.DIFFUSE, lightDiffuse1[:]) // make it diffuse gl.Lightfv(gl.LIGHT1, gl.POSITION, lightPosition1[:]) // and place it gl.Enable(gl.LIGHT1) // and finally turn it on. gl.Lightfv(gl.LIGHT2, gl.AMBIENT, lightAmbient2[:]) // ambient lighting gl.Lightfv(gl.LIGHT2, gl.DIFFUSE, lightDiffuse2[:]) // make it diffuse gl.Lightfv(gl.LIGHT2, gl.POSITION, lightPosition2[:]) // and place it gl.Enable(gl.LIGHT2) // and finally turn it on. }