func Init() { runtime.LockOSThread() // Initialize GLFW var err error if err = glfw.Init(); err != nil { log.Fatalf("%v\n", err) return } err = glfw.OpenWindow(SCREEN_WIDTH, SCREEN_HEIGHT, 0, 0, 0, 0, 0, 0, glfw.Windowed) if err != nil { log.Fatalf("%v\n", err) return } glfw.SetWindowTitle("Mandelbrot") glfw.SetSwapInterval(1) glfw.SetWindowSizeCallback(onResize) glfw.SetWindowCloseCallback(onClose) glfw.SetMouseButtonCallback(onMouseBtn) glfw.SetMouseWheelCallback(onMouseWheel) glfw.SetKeyCallback(onKey) glfw.SetCharCallback(onChar) // Initialize OpenGL gl.Disable(gl.DEPTH_TEST) gl.ClearColor(0, 0, 0, 0) }
func main() { var err error if err = glfw.Init(); err != nil { log.Fatalf("%v\n", err) return } defer glfw.Terminate() if err = glfw.OpenWindow(640, 480, 8, 8, 8, 8, 0, 0, glfw.Windowed); err != nil { log.Fatalf("%v\n", err) return } defer glfw.CloseWindow() glfw.SetWindowTitle("Draw") glfw.SetSwapInterval(1) glfw.SetKeyCallback(onKey) glfw.SetMouseButtonCallback(onMouseBtn) glfw.SetWindowSizeCallback(onResize) running = true for running && glfw.WindowParam(glfw.Opened) == 1 { if mouse[0] != 0 { pen.lineTo(glfw.MousePos()) } else { pen.moveTo(glfw.MousePos()) } glfw.SwapBuffers() } }
func MouseButtonChan() chan DigiState { out := make(chan DigiState) glfw.SetMouseButtonCallback(func(button, state int) { go func() { out <- DigiState{button, state} }() }) return out }
func StartEngine() { runtime.GOMAXPROCS(runtime.NumCPU()) runtime.LockOSThread() fmt.Println("Enginge started!") var err error if err = glfw.Init(); err != nil { panic(err) } fmt.Println("GLFW Initialized!") glfw.OpenWindowHint(glfw.Accelerated, 1) if err = glfw.OpenWindow(Width, Height, 8, 8, 8, 8, 8, 8, glfw.Windowed); err != nil { panic(err) } glfw.SetSwapInterval(1) //0 to disable vsync, 1 to enable it glfw.SetWindowTitle(windowTitle) glfw.SetWindowSizeCallback(onResize) glfw.SetKeyCallback(input.OnKey) glfw.SetCharCallback(input.OnChar) glfw.SetMouseButtonCallback(input.ButtonPress) glfw.SetMouseWheel(0) glfw.SetMouseWheelCallback(input.MouseWheelCallback) input.MouseWheelPosition = glfw.MouseWheel input.MousePosition = glfw.MousePos if err = initGL(); err != nil { panic(err) } fmt.Println("Opengl Initialized!") TextureMaterial = NewBasicMaterial(spriteVertexShader, spriteFragmentShader) err = TextureMaterial.Load() if err != nil { fmt.Println(err) } SDFMaterial = NewBasicMaterial(sdfVertexShader, sdfFragmentShader) err = SDFMaterial.Load() if err != nil { fmt.Println(err) } internalMaterial = NewBasicMaterial(spriteVertexShader, spriteFragmentShader) err = internalMaterial.Load() if err != nil { fmt.Println(err) } initDefaultPlane() glfw.SwapBuffers() gameTime = time.Time{} lastTime = time.Now() dl = glfw.Time() }
func main() { var err error if err = glfw.Init(); err != nil { fmt.Fprintf(os.Stderr, "[e] %v\n", err) return } // Ensure glfw is cleanly terminated on exit. defer glfw.Terminate() if err = glfw.OpenWindow(256, 256, 8, 8, 8, 0, 0, 0, glfw.Windowed); err != nil { fmt.Fprintf(os.Stderr, "[e] %v\n", err) return } // Ensure window is cleanly closed on exit. defer glfw.CloseWindow() // Enable vertical sync on cards that support it. glfw.SetSwapInterval(1) // Set window title glfw.SetWindowTitle("Simple GLFW window") // Hook some events to demonstrate use of callbacks. // These are not necessary if you don't need them. glfw.SetWindowSizeCallback(onResize) glfw.SetWindowCloseCallback(onClose) glfw.SetMouseButtonCallback(onMouseBtn) glfw.SetMouseWheelCallback(onMouseWheel) glfw.SetKeyCallback(onKey) glfw.SetCharCallback(onChar) // Start loop running := true for running { // OpenGL rendering goes here. // Swap front and back rendering buffers. This also implicitly calls // glfw.PollEvents(), so we have valid key/mouse/joystick states after // this. This behavior can be disabled by calling glfw.Disable with the // argument glfw.AutoPollEvents. You must be sure to manually call // PollEvents() or WaitEvents() in this case. glfw.SwapBuffers() // Break out of loop when Escape key is pressed, or window is closed. running = glfw.Key(glfw.KeyEsc) == 0 && glfw.WindowParam(glfw.Opened) == 1 } }
func main() { RunGame(Title, Width*Scale, Height*Scale, func() { gl.PointSize(1.0 * Scale) x := 0 y := 0 dcolor := WHITE glfw.SetMouseButtonCallback(func(button, state int) { dcolor += 1 if dcolor > BLUE { dcolor = WHITE } }) glfw.SetMousePosCallback(func(mx, my int) { mx /= Scale my /= Scale if mx >= Width || my >= Height || mx < 0 || my < 0 { return } x = mx y = my if matrix != nil && dcolor != WHITE { (*matrix)[x][y].Color = dcolor (*matrix)[x][y].Intensity = 10 } }) glfw.SetKeyCallback(func(key, state int) { matrix = makeMatrix(Width, Height) }) matrix = makeMatrix(Width, Height) }, func() { matrix = NextMatrix(Width, Height, matrix) gl.Begin(gl.POINTS) drawMatrix(matrix, Scale, Scale) gl.End() }) }
func main_loop(data *ProgramData) { start := time.Now() frames := 0 lastblocks := 0 // Frame counter go func() { for { time.Sleep(time.Second) if *verbose { memstats := new(runtime.MemStats) runtime.ReadMemStats(memstats) fps := float64(frames) / time.Since(start).Seconds() blocks := len(data.blocks) bps := float64(blocks-lastblocks) / time.Since(start).Seconds() lastblocks = blocks log.Printf("fps = %5.2f; blocks = %4d; bps = %5.2f sparemem = %6d MB; alloc'd = %6.6f; (+footprint = %6.6f)", fps, len(data.blocks), bps, SpareRAM(), float64(memstats.Alloc)/1024/1024, float64(memstats.Sys-memstats.Alloc)/1024/1024) PrintTimers(frames) } start = time.Now() frames = 0 } }() // Necessary at the moment to prevent eventual OOM go func() { for { time.Sleep(5 * time.Second) if *verbose { log.Print("GC()") } runtime.GC() if *verbose { GCStats() } } }() var i int64 = -int64(*nback) // TODO(pwaller): Make this work again // text := glh.MakeText(data.filename, 32) // Location of mouse in record space var rec, rec_actual int64 = 0, 0 var stacktext, dwarftext []*glh.Text var recordtext *glh.Text = nil var mousex, mousey, mousedownx, mousedowny int var mousepx, mousepy float64 var lbutton bool escape_hit := false glfw.SetMouseWheelCallback(func(pos int) { nback_prev := *nback if pos < 0 { *nback = 40 * 1024 << uint(-pos) } else { *nback = 40 * 1024 >> uint(pos) } //log.Print("Mousewheel position: ", pos, " nback: ", *nback) if rec == 0 { return } // mouse cursor is at screen "rec_actual", and it should be after // the transformation // We need to adjust `i` to keep this value constant: // rec_actual == i + int64(constpart * float64(*nback)) // where constpart <- (-const + 2.) / 4. // (that way, the mouse is still pointing at the same place after scaling) constpart := float64(rec_actual-i) / float64(nback_prev) rec_actual_after := i + int64(constpart*float64(*nback)) delta := rec_actual_after - rec_actual i -= delta // Ensure the mouse cursor position doesn't change when zooming rec = rec_actual - i }) update_text := func() { if DoneThisFrame(RenderText) { return } if recordtext != nil { recordtext.Destroy() recordtext = nil } //r := 0 //data.GetRecord(rec_actual) //if r != nil { //log.Print(data.records[rec_actual]) //recordtext = MakeText(r.String(), 32) //} for j := range stacktext { stacktext[j].Destroy() } // TODO: Load records on demand if false { stack := data.GetStackNames(rec_actual) stacktext = make([]*glh.Text, len(stack)) for j := range stack { stacktext[j] = glh.MakeText(stack[j], 32) } } } glfw.SetMouseButtonCallback(func(button, action int) { switch button { case glfw.Mouse1: switch action { case glfw.KeyPress: mousedownx, mousedowny = mousex, mousey lbutton = true r := data.GetRecord(rec_actual) if r != nil { if r.Type == MEMA_ACCESS { log.Print(r) ma := r.MemAccess() dwarf := data.GetDwarf(ma.Pc) log.Print("Can has dwarf? ", len(dwarf)) for i := range dwarf { log.Print(" ", dwarf[i]) //recordtext = MakeText(data.records[rec_actual].String(), 32) } log.Print("") for j := range dwarftext { dwarftext[j].Destroy() } dwarftext = make([]*glh.Text, len(dwarf)) for j := range dwarf { dwarftext[j] = glh.MakeText(fmt.Sprintf("%q", dwarf[j]), 32) } } //recordtext = MakeText(data.records[rec_actual].String(), 32) } case glfw.KeyRelease: lbutton = false } } }) glfw.SetMousePosCallback(func(x, y int) { px, py := glh.WindowToProj(x, y) // Record index rec = int64((py+2)*float64(*nback)/4. + 0.5) rec_actual = rec + i dpy := py - mousepy di := int64(-dpy * float64(*nback) / 4.) if lbutton { i += di } mousepx, mousepy = px, py mousex, mousey = x, y //log.Printf("Mouse motion: (%3d, %3d), (%f, %f), (%d, %d) dpy=%f di=%d", //x, y, px, py, rec, rec_actual, dpy, di) update_text() }) glfw.SetKeyCallback(func(key, state int) { switch key { case glfw.KeyEsc: escape_hit = true } }) draw_mousepoint := func() { // Draw the mouse point glh.With(glh.Matrix{gl.MODELVIEW}, func() { gl.Translated(0, -2, 0) gl.Scaled(1, 4/float64(*nback), 1) gl.Translated(0, float64(rec), 0) gl.PointSize(10) glh.With(glh.Primitive{gl.POINTS}, func() { gl.Color4f(1, 1, 1, 1) gl.Vertex3d(mousepx, 0, 0) }) }) } draw_text := func() { // Draw any text glh.With(glh.WindowCoords{}, func() { w, h := glh.GetViewportWHD() glh.With(glh.Attrib{gl.ENABLE_BIT}, func() { gl.Enable(gl.TEXTURE_2D) // text.Draw(0, 0) for text_idx := range stacktext { stacktext[text_idx].Draw(int(w*0.55), int(h)-35-text_idx*16) } for text_idx := range dwarftext { dwarftext[text_idx].Draw(int(w*0.55), 35+text_idx*16) } if recordtext != nil { recordtext.Draw(int(w*0.55), 35) } }) }) } Draw = func() { gl.Clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT) // Draw the memory access/function data data.Draw(i, *nback) draw_mousepoint() draw_text() // Visible region quad // gl.Color4f(1, 1, 1, 0.25) // DrawQuadd(-2.1, -2.25, 4.4, 2.1 - -2.25) // StatsHUD() } interrupt := make(chan os.Signal) signal.Notify(interrupt, os.Interrupt) ctrlc_hit := false go func() { <-interrupt ctrlc_hit = true }() done := false for !done { done_this_frame = make(map[WorkType]bool) glh.With(&Timer{Name: "Draw"}, func() { Draw() }) glfw.SwapBuffers() DoMainThreadWork() done = ctrlc_hit || escape_hit || glfw.WindowParam(glfw.Opened) == 0 frames += 1 } }
func New(width int, height int, title string) *Window { var err error window := &Window{width: width, height: height, title: title} // initialize logger logf, err := os.OpenFile("window.log", os.O_WRONLY|os.O_CREATE, 0640) logger := log.New(logf, "", log.Ldate|log.Ltime) if err = glfw.Init(); err != nil { fmt.Fprintf(os.Stderr, "[e] %v\n", err) return nil } // width, hieght, r,g,b,a (color depth bits), depth, stencil, mode if err = glfw.OpenWindow(window.width, window.height, 8, 8, 8, 0, 0, 0, glfw.Windowed); err != nil { fmt.Fprintf(os.Stderr, "[e] %v\n", err) return nil } onResize := func(w, h int) { logger.Printf("resized: %dx%d\n", w, h) } onClose := func() int { logger.Println("window closed\n") return 1 // return 0 to keep window open. } // list callback generators createBtnList := func(btnNext func() interface{}, device string) func(button, state int) { btnList := list.New() btnNext = func() interface{} { return btnList.Remove(btnList.Back()) } return func(button, state int) { btnList.PushFront(btnEvent{button: button, state: state}) logger.Printf("%s button: %d, %d\n", device, button, state) } } createPosList := func(posNext func() interface{}, device string) func(x, y int) { posList := list.New() posNext = func() interface{} { return posList.Remove(posList.Back()) } return func(x, y int) { posList.PushFront(posEvent{x: x, y: y}) logger.Printf("%s pos: %d, %d\n", device, x, y) } } createDeltaList := func(deltaNext func() interface{}, device string) func(delta int) { deltaList := list.New() deltaNext = func() interface{} { return deltaList.Remove(deltaList.Back()) } return func(delta int) { deltaList.PushFront(deltaEvent{delta: delta}) logger.Printf("%s delta: %d\n", device, delta) } } glfw.SetSwapInterval(1) glfw.SetWindowTitle(title) glfw.SetWindowSizeCallback(onResize) glfw.SetWindowCloseCallback(onClose) glfw.SetMousePosCallback(createPosList(window.MousePos, "mouse pos")) glfw.SetMouseButtonCallback(createBtnList(window.MouseBtn, "mouse")) glfw.SetMouseWheelCallback(createDeltaList(window.MouseWheel, "mouse wheel")) glfw.SetKeyCallback(createBtnList(window.KeyEvt, "keyboard")) glfw.SetCharCallback(createBtnList(window.CharEvt, "char")) window.Start = func() { defer glfw.Terminate() defer glfw.CloseWindow() running := true for running { window.Render() glfw.SwapBuffers() // Break out of loop when Escape key is pressed, or window is closed. running = glfw.Key(glfw.KeyEsc) == 0 && glfw.WindowParam(glfw.Opened) == 1 } } return window }
func main() { sys := Make() sys.Startup() defer sys.Shutdown() // InitQueue() sys.CreateWindow(1024, 768, "Gexic") gl.ClearColor(1, 1, 1, 0.) initGL() prevSelectPos = []int{0, 0, 0} // PurgeQueue() // genHexMap() hexMap2 = GenHexMap() // for matches := checkHexMap(); len(matches) > 0; matches = checkHexMap() { // removeHexAndGenNew(matches) // } glfw.SetMouseButtonCallback(MouseButtonCallback) glfw.SetCharCallback(charCallback) glfw.SetMousePosCallback(MousePosCallback) currExX = -1 currExY = -1 for sys.CheckExitMainLoop() { start := glfw.Time() wait := float64(1) / float64(30) gl.Clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT) gl.Enable(gl.TEXTURE_2D) gl.Enable(gl.BLEND) gl.Disable(gl.DEPTH_TEST) // renderHexMap() wallpaper.Bind(gl.TEXTURE_2D) gl.TexEnvf(gl.TEXTURE_ENV, gl.TEXTURE_ENV_MODE, gl.REPLACE) gl.Begin(gl.QUADS) gl.TexCoord2f(0, 0) gl.Vertex2i(0, 0) gl.TexCoord2f(0, 1) gl.Vertex2i(0, 768) gl.TexCoord2f(1, 1) gl.Vertex2i(1024, 768) gl.TexCoord2f(1, 0) gl.Vertex2i(1024, 0) gl.End() hexMap2.Render() hexRotate.AnimateAndExecute() hexShrink.AnimateAndExecute() hexFall.AnimateAndExecute() if !mouse.locked { x, y := mouse.GetXY() hexMap2.CalcClosestCenter(x, y) } gl.Flush() gl.Disable(gl.TEXTURE_2D) gl.Disable(gl.BLEND) sys.Refresh() diff := glfw.Time() - start if diff < wait { glfw.Sleep(wait - diff) } } }
func (w *glfwBackend) Open(width, height, zoom int, fs bool, font *FontData) { if err := glfw.Init(); err != nil { panic(err) } w.font = font w.zoom = zoom w.width = width w.height = height var fwidth = width * font.CellWidth * zoom var fheight = height * font.CellHeight * zoom var twidth = fwidth var theight = fheight flag := glfw.Windowed if fs { flag = glfw.Fullscreen dm := glfw.DesktopMode() twidth = dm.W theight = dm.H } glfw.OpenWindowHint(glfw.WindowNoResize, gl.TRUE) err := glfw.OpenWindow(twidth, theight, 8, 8, 8, 8, 0, 0, flag) if err != nil { panic(err) } w.key = NOKEY glfw.SetWindowCloseCallback(func() int { w.Close(); return 0 }) glfw.SetKeyCallback(func(key, state int) { w.setKey(key, state) }) glfw.SetCharCallback(func(key, state int) { w.setKey(key, state) }) glfw.Enable(glfw.KeyRepeat) w.mouse = new(MouseData) glfw.Enable(glfw.MouseCursor) glfw.SetMousePosCallback(func(x, y int) { w.mouseMove(x, y) }) glfw.SetMouseButtonCallback(func(but, state int) { w.mousePress(but, state) }) glfw.Enable(glfw.MouseCursor) xoff := float32(twidth-fwidth) / 2.0 yoff := float32(theight-fheight) / 2.0 fc := float32(font.CellWidth * zoom) fch := float32(font.CellHeight * zoom) for y := 0; y < height; y++ { for x := 0; x < width; x++ { cx := xoff + float32(x)*fc cy := yoff + float32(y)*fch w.verts = append(w.verts, cx, cy, cx, cy+fch, cx+fc, cy+fch, cx+fc, cy) } } runtime.LockOSThread() glInit(twidth, theight) m := font.Image.(*image.RGBA) w.s = float32(font.CellWidth) / float32(m.Bounds().Max.X) w.t = float32(font.CellHeight) / float32(m.Bounds().Max.Y) textures = make([]gl.Uint, 2) gl.GenTextures(2, &textures[0]) gl.BindTexture(gl.TEXTURE_2D, textures[0]) gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST) gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST) gl.TexImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.Sizei(m.Bounds().Max.X), gl.Sizei(m.Bounds().Max.Y), 0, gl.RGBA, gl.UNSIGNED_BYTE, gl.Pointer(&m.Pix[0])) m = image.NewRGBA(image.Rect(0, 0, font.CellWidth, font.CellHeight)) draw.Draw(m, m.Bounds(), &image.Uniform{White}, image.ZP, draw.Src) gl.BindTexture(gl.TEXTURE_2D, textures[1]) gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST) gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST) gl.TexImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.Sizei(m.Bounds().Max.X), gl.Sizei(m.Bounds().Max.Y), 0, gl.RGBA, gl.UNSIGNED_BYTE, gl.Pointer(&m.Pix[0])) w.open = true }
func Init() { glfw.Disable(glfw.MouseCursor) glfw.SetMousePosCallback(OnMouseMove) glfw.SetMouseButtonCallback(OnMouseClick) }