func (c *Context) FillFramebuffer(r, g, b, a float64) error {
return c.runOnContextThread(func() error {
gl.ClearColor(float32(r), float32(g), float32(b), float32(a))
gl.Clear(gl.COLOR_BUFFER_BIT)
return nil
})
}
func main() {
err := glfw.Init()
if err != nil {
panic(err)
}
defer glfw.Terminate()
fp, err := os.Open("example.tmx")
if err != nil {
panic(err)
}
m, err := tmx.NewMap(fp)
if err != nil {
panic(err)
}
var monitor *glfw.Monitor
window, err := glfw.CreateWindow(screenWidth, screenHeight, "Map Renderer", monitor, nil)
if err != nil {
panic(err)
}
window.MakeContextCurrent()
if err := gl.Init(); err != nil {
panic(err)
}
width, height := window.GetFramebufferSize()
gl.Clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT)
gl.ClearColor(1.0, 1.0, 1.0, 1.0)
gl.Viewport(0, 0, int32(width), int32(height))
gl.MatrixMode(gl.PROJECTION)
gl.LoadIdentity()
gl.Ortho(0, float64(width), float64(height), 0, -1, 1)
gl.Enable(gl.BLEND)
gl.BlendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA)
canvas := newOpenGLCanvas(width, height, float32(width)/float32(screenWidth), float32(height)/float32(screenHeight))
renderer := tmx.NewRenderer(*m, canvas)
fps := 0
startTime := time.Now().UnixNano()
timer := tmx.CreateTimer()
timer.Start()
for !window.ShouldClose() {
elapsed := float64(timer.GetElapsedTime()) / (1000 * 1000)
renderer.Render(int64(math.Ceil(elapsed)))
fps++
if time.Now().UnixNano()-startTime > 1000*1000*1000 {
log.Println(fps)
startTime = time.Now().UnixNano()
fps = 0
}
window.SwapBuffers()
glfw.PollEvents()
timer.UpdateTime()
}
}
// onResize sets up a simple 2d ortho context based on the window size
func onResize(window *glfw.Window, w, h int) {
w, h = window.GetSize() // query window to get screen pixels
width, height := window.GetFramebufferSize()
gl.Viewport(0, 0, int32(width), int32(height))
gl.MatrixMode(gl.PROJECTION)
gl.LoadIdentity()
gl.Ortho(0, float64(w), 0, float64(h), -1, 1)
gl.MatrixMode(gl.MODELVIEW)
gl.LoadIdentity()
gl.ClearColor(1, 1, 1, 1)
}
func main() {
runtime.LockOSThread()
if err := glfw.Init(); err != nil {
panic(err)
}
defer glfw.Terminate()
window, err := glfw.CreateWindow(800, 600, "fontstash example", nil, nil)
if err != nil {
panic(err)
}
window.MakeContextCurrent()
glfw.SwapInterval(1)
gl.Init()
data, err := ioutil.ReadFile(filepath.Join("..", "ClearSans-Regular.ttf"))
if err != nil {
panic(err)
}
gl.Enable(gl.TEXTURE_2D)
tmpBitmap := make([]byte, 512*512)
cdata, err, _, tmpBitmap := truetype.BakeFontBitmap(data, 0, 32, tmpBitmap, 512, 512, 32, 96)
var ftex uint32
gl.GenTextures(1, &ftex)
gl.BindTexture(gl.TEXTURE_2D, ftex)
gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR)
gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.LINEAR)
gl.TexImage2D(gl.TEXTURE_2D, 0, gl.ALPHA, 512, 512, 0,
gl.ALPHA, gl.UNSIGNED_BYTE, unsafe.Pointer(&tmpBitmap[0]))
gl.ClearColor(0.3, 0.3, 0.32, 1.)
for !window.ShouldClose() {
gl.Clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT)
gl.MatrixMode(gl.PROJECTION)
gl.LoadIdentity()
gl.Ortho(0, 800, 600, 0, 0, 1)
gl.MatrixMode(gl.MODELVIEW)
gl.LoadIdentity()
gl.Disable(gl.DEPTH_TEST)
gl.Color4ub(255, 255, 255, 255)
gl.Enable(gl.BLEND)
gl.BlendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA)
my_print(100, 100, "The quick brown fox jumps over the fence", ftex, cdata)
window.SwapBuffers()
glfw.PollEvents()
}
}
func (w *Window) setVideoOptions() {
gl.ClearColor(0.4, 0.0, 0.3, 1.0)
projectionMode()
setViewport(w.Width, w.Height)
//Required for per-pixel placing.
gl.Translatef(0.375, 0.375, 0.0)
modelViewMode()
setModelViewOptions()
}
func setupScene(width int, height int) {
gl.Disable(gl.DEPTH_TEST)
gl.Disable(gl.LIGHTING)
gl.ClearColor(0.5, 0.5, 0.5, 0.0)
gl.MatrixMode(gl.PROJECTION)
gl.LoadIdentity()
gl.Ortho(0, float64(width), 0, float64(height), -1, 1)
gl.MatrixMode(gl.MODELVIEW)
gl.LoadIdentity()
}
func (view *GameView) Enter() {
gl.ClearColor(0, 0, 0, 1)
view.director.SetTitle(view.title)
view.console.SetAudioChannel(view.director.audio.channel)
view.director.window.SetKeyCallback(view.onKey)
// load sram
cartridge := view.console.Cartridge
if cartridge.Battery != 0 {
if sram, err := readSRAM(sramPath(view.hash)); err == nil {
cartridge.SRAM = sram
}
}
}
func (state *State) Reset(window *glfw.Window) {
gl.ClearColor(1, 1, 1, 1)
gl.Clear(gl.COLOR_BUFFER_BIT)
gl.MatrixMode(gl.MODELVIEW)
gl.LoadIdentity()
gl.Disable(gl.DEPTH)
gl.Enable(gl.FRAMEBUFFER_SRGB)
width, height := window.GetSize()
gl.Viewport(0, 0, int32(width), int32(height))
gl.Ortho(0, float64(width), float64(height), 0, 30, -30)
}
func reshape(window *glfw.Window, w, h int) {
gl.ClearColor(1, 1, 1, 1)
//fmt.Println(gl.GetString(gl.EXTENSIONS))
gl.Viewport(0, 0, int32(w), int32(h)) /* Establish viewing area to cover entire window. */
gl.MatrixMode(gl.PROJECTION) /* Start modifying the projection matrix. */
gl.LoadIdentity() /* Reset project matrix. */
gl.Ortho(0, float64(w), 0, float64(h), -1, 1) /* Map abstract coords directly to window coords. */
gl.Scalef(1, -1, 1) /* Invert Y axis so increasing Y goes down. */
gl.Translatef(0, float32(-h), 0) /* Shift origin up to upper-left corner. */
gl.Enable(gl.BLEND)
gl.BlendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA)
gl.Disable(gl.DEPTH_TEST)
width, height = w, h
}
func main() {
var winTitle string = "Go-SDL2 + Go-GL"
var winWidth, winHeight int = 800, 600
var window *sdl.Window
var context sdl.GLContext
var event sdl.Event
var running bool
var err error
if err = sdl.Init(sdl.INIT_EVERYTHING); err != nil {
panic(err)
}
defer sdl.Quit()
if err = gl.Init(); err != nil {
panic(err)
}
window, err = sdl.CreateWindow(winTitle, sdl.WINDOWPOS_UNDEFINED, sdl.WINDOWPOS_UNDEFINED,
winWidth, winHeight, sdl.WINDOW_OPENGL)
if err != nil {
panic(err)
}
defer window.Destroy()
context, err = sdl.GL_CreateContext(window)
if err != nil {
panic(err)
}
defer sdl.GL_DeleteContext(context)
gl.Enable(gl.DEPTH_TEST)
gl.ClearColor(0.2, 0.2, 0.3, 1.0)
gl.ClearDepth(1)
gl.DepthFunc(gl.LEQUAL)
gl.Viewport(0, 0, int32(winWidth), int32(winHeight))
running = true
for running {
for event = sdl.PollEvent(); event != nil; event = sdl.PollEvent() {
switch t := event.(type) {
case *sdl.QuitEvent:
running = false
case *sdl.MouseMotionEvent:
fmt.Printf("[%d ms] MouseMotion\tid:%d\tx:%d\ty:%d\txrel:%d\tyrel:%d\n", t.Timestamp, t.Which, t.X, t.Y, t.XRel, t.YRel)
}
}
drawgl()
sdl.GL_SwapWindow(window)
}
}
func onDisplay(program uint32, coords uint32) {
gl.ClearColor(1.0, 1.0, 1.0, 1.0)
gl.Clear(gl.COLOR_BUFFER_BIT)
gl.UseProgram(program)
gl.EnableVertexAttribArray(coords)
triangleVertices := []float32{
0.0, 0.8,
-0.8, -0.8,
0.8, -0.8}
gl.VertexAttribPointer(coords, 2, gl.FLOAT, false, 0, gl.Ptr(triangleVertices))
gl.DrawArrays(gl.TRIANGLES, 0, 3)
gl.DisableVertexAttribArray(coords)
}
func onDisplay(program uint32, coords uint32) {
gl.ClearColor(1.0, 1.0, 1.0, 1.0)
gl.Clear(gl.COLOR_BUFFER_BIT)
gl.Enable(gl.BLEND)
gl.BlendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA)
gl.UseProgram(program)
gl.EnableVertexAttribArray(coords)
gl.VertexAttribPointer(coords, 2, gl.FLOAT, false, 0, nil)
gl.DrawArrays(gl.TRIANGLES, 0, 3)
gl.DisableVertexAttribArray(coords)
}
func setupScene() {
gl.ClearColor(0, 0, 0, 0)
if texDel {
gl.DeleteTextures(1, tex1)
}
tex1 = newTexture(*slides[selCell].getImage(monWidth, monHeight))
gl.MatrixMode(gl.PROJECTION)
gl.LoadIdentity()
gl.Ortho(-1, 1, -1, 1, 1.0, 10.0)
gl.MatrixMode(gl.MODELVIEW)
gl.LoadIdentity()
texDel = true
}
func (v *Video) initGL() {
if err := gl.Init(); err != nil {
panic(err)
}
gl.Enable(gl.CULL_FACE)
gl.Enable(gl.DEPTH_TEST)
gl.ClearColor(0.0, 0.0, 0.0, 1.0)
v.prog = createProgram(vertShaderSrcDef, fragShaderSrcDef)
posAttrib := uint32(gl.GetAttribLocation(v.prog, gl.Str("vPosition"+"\x00")))
texCoordAttr := uint32(gl.GetAttribLocation(v.prog, gl.Str("vTexCoord"+"\x00")))
v.textureUni = gl.GetAttribLocation(v.prog, gl.Str("texture"+"\x00"))
var texture uint32
gl.GenTextures(1, &texture)
gl.ActiveTexture(gl.TEXTURE0)
gl.BindTexture(gl.TEXTURE_2D, texture)
gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST)
gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST)
gl.UseProgram(v.prog)
gl.EnableVertexAttribArray(posAttrib)
gl.EnableVertexAttribArray(texCoordAttr)
//posAttrib.EnableArray()
//texCoordAttr.EnableArray()
var vbo uint32
gl.GenBuffers(1, &vbo)
gl.BindBuffer(gl.ARRAY_BUFFER, vbo)
verts := []float32{-1.0, 1.0, -1.0, -1.0, 1.0, -1.0, 1.0, -1.0, 1.0, 1.0, -1.0, 1.0}
gl.BufferData(gl.ARRAY_BUFFER, len(verts)*int(unsafe.Sizeof(verts[0])), gl.Ptr(verts), gl.STATIC_DRAW)
var textCoorBuf uint32
gl.GenBuffers(1, &textCoorBuf)
gl.BindBuffer(gl.ARRAY_BUFFER, textCoorBuf)
texVerts := []float32{0.0, 1.0, 0.0, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0, 1.0, 0.0, 1.0}
gl.BufferData(gl.ARRAY_BUFFER, len(texVerts)*int(unsafe.Sizeof(texVerts[0])), gl.Ptr(texVerts), gl.STATIC_DRAW)
gl.VertexAttribPointer(posAttrib, 2, gl.FLOAT, false, 0, gl.PtrOffset(0))
gl.VertexAttribPointer(texCoordAttr, 2, gl.FLOAT, false, 0, gl.PtrOffset(0))
//posAttrib.AttribPointer(2, gl.FLOAT, false, 0, uintptr(0))
//texCoordAttr.AttribPointer(2, gl.FLOAT, false, 0, uintptr(0))
}
func (g *graphics) init() error {
if err := g.loadImages(); err != nil {
return err
}
gl.ClearColor(0, 0, 0.7, 1)
gl.Enable(gl.BLEND)
gl.BlendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA)
g.fontStash = fontstash.New(512, 512)
fontID, err := g.fontStash.AddFont(resourcePath("MorrisRoman-Black.ttf"))
if err != nil {
return err
}
g.fontStash.SetYInverted(true)
g.font = NewGLFont(g.fontStash, fontID, 45, [4]float32{0, 0, 0, 1})
return nil
}
func (view *GameView) Enter() {
gl.ClearColor(0, 0, 0, 1)
view.director.SetTitle(view.title)
view.console.SetAudioChannel(view.director.audio.channel)
view.console.SetAudioSampleRate(view.director.audio.sampleRate)
view.director.window.SetKeyCallback(view.onKey)
// load state
if err := view.console.LoadState(savePath(view.hash)); err == nil {
return
} else {
view.console.Reset()
}
// load sram
cartridge := view.console.Cartridge
if cartridge.Battery != 0 {
if sram, err := readSRAM(sramPath(view.hash)); err == nil {
cartridge.SRAM = sram
}
}
}
func Render() {
gl.ClearColor(0, 0, 0, 1)
gl.Clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT)
gl.Color4f(1, 1, 1, 1)
gl.BindTexture(gl.TEXTURE_2D, game.Texture)
gl.PushMatrix()
gl.Translatef(20-float32(game.PlayerX), 15-float32(game.PlayerY), 0)
gl.Begin(gl.TRIANGLES)
for i := 0; i < game.Width; i++ {
for j := 0; j < game.Height; j++ {
renderTile(game.Tiles[(j*game.Width)+i], float32(i), float32(j))
}
}
// Player
gl.Color4f(1, 0, 0, 1)
renderTile(4, float32(game.PlayerX), float32(game.PlayerY))
gl.End()
gl.PopMatrix()
}
func setupScene() {
gl.Enable(gl.DEPTH_TEST)
gl.Enable(gl.LIGHTING)
gl.ClearColor(0.5, 0.5, 0.5, 0.0)
gl.ClearDepth(1)
gl.DepthFunc(gl.LEQUAL)
ambient := []float32{0.5, 0.5, 0.5, 1}
diffuse := []float32{1, 1, 1, 1}
lightPosition := []float32{-5, 5, 10, 0}
gl.Lightfv(gl.LIGHT0, gl.AMBIENT, &ambient[0])
gl.Lightfv(gl.LIGHT0, gl.DIFFUSE, &diffuse[0])
gl.Lightfv(gl.LIGHT0, gl.POSITION, &lightPosition[0])
gl.Enable(gl.LIGHT0)
gl.MatrixMode(gl.PROJECTION)
gl.LoadIdentity()
gl.Frustum(-1, 1, -1, 1, 1.0, 10.0)
gl.MatrixMode(gl.MODELVIEW)
gl.LoadIdentity()
}
func onDisplay(program uint32) {
coords := uint32(attributeCoord2d)
vcolor := uint32(attributeVColor)
gl.ClearColor(1.0, 1.0, 1.0, 1.0)
gl.Clear(gl.COLOR_BUFFER_BIT)
gl.UseProgram(program)
gl.Enable(gl.BLEND)
gl.BlendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA)
gl.Uniform1f(uniformFade, curFade)
gl.EnableVertexAttribArray(coords)
gl.EnableVertexAttribArray(vcolor)
gl.BindBuffer(gl.ARRAY_BUFFER, vboTriangle)
gl.VertexAttribPointer(coords, 2, gl.FLOAT, false, 5*floatSize, nil)
gl.VertexAttribPointer(vcolor, 3, gl.FLOAT, false, 5*floatSize, gl.PtrOffset(2*floatSize))
gl.DrawArrays(gl.TRIANGLES, 0, 3)
gl.DisableVertexAttribArray(vcolor)
gl.DisableVertexAttribArray(coords)
}
func main() {
flag.Parse()
go func() {
http.ListenAndServe("localhost:6060", nil)
}()
go func() {
for {
runtime.GC()
time.Sleep(1)
}
}()
if err := glfw.Init(); err != nil {
log.Fatalln("failed to initialize glfw:", err)
}
defer glfw.Terminate()
glfw.WindowHint(glfw.Resizable, glfw.True)
glfw.WindowHint(glfw.Visible, glfw.False) // do not steal focus
glfw.WindowHint(glfw.Samples, 4)
glfw.WindowHint(glfw.ContextVersionMajor, 2)
glfw.WindowHint(glfw.ContextVersionMinor, 1)
window, err := glfw.CreateWindow(800, 600, "Spector", nil, nil)
if err != nil {
panic(err)
}
window.MakeContextCurrent()
window.Restore()
window.SetPos(32, 64)
if err := gl.Init(); err != nil {
panic(err)
}
if err := gl.GetError(); err != 0 {
fmt.Println("INIT", err)
}
startnano := time.Now().UnixNano()
DrawList := draw.NewList()
for !window.ShouldClose() {
start := qpc.Now()
if window.GetKey(glfw.KeyEscape) == glfw.Press {
return
}
now := float64(time.Now().UnixNano()-startnano) / 1e9
width, height := window.GetSize()
{ // reset window
gl.MatrixMode(gl.MODELVIEW)
gl.LoadIdentity()
gl.Viewport(0, 0, int32(width), int32(height))
gl.Ortho(0, float64(width), float64(height), 0, 30, -30)
gl.ClearColor(1, 1, 1, 1)
gl.Clear(gl.COLOR_BUFFER_BIT)
}
DrawList.Reset()
DrawList.AddRectFill(&draw.Rectangle{
draw.Vector{10, 10},
draw.Vector{50, 50},
}, draw.Red)
CircleRadius := float32(50.0 * math.Sin(now*1.3))
DrawList.AddCircle(
draw.Vector{100, 100}, CircleRadius, draw.Red)
DrawList.AddArc(
draw.Vector{200, 100}, CircleRadius/2+50,
float32(now),
float32(math.Sin(now)*10),
draw.ColorHSL(float32(math.Sin(now*0.3)), 0.8, 0.5))
LineWidth := float32(math.Sin(now*2.1)*5 + 5)
LineCount := int(width / 8)
line := make([]draw.Vector, LineCount)
for i := range line {
r := float64(i) / float64(LineCount-1)
line[i].X = float32(r) * float32(width)
line[i].Y = float32(height)*0.5 + float32(math.Sin(r*11.8+now)*100)
}
DrawList.AddLine(line[:], LineWidth,
draw.ColorHSL(float32(math.Sin(now*0.3)), 0.6, 0.6))
CircleCount := int(width / 8)
circle := make([]draw.Vector, CircleCount)
for i := range circle {
p := float64(i) / float64(CircleCount)
a := now + p*math.Pi*2
w := math.Sin(p*62)*20.0 + 100.0
circle[i].X = float32(width)*0.5 + float32(math.Cos(a)*w)
circle[i].Y = float32(height)*0.5 + float32(math.Sin(a)*w)
}
// DrawList.PushClip(draw.Rect(0, 0, float32(width)/2, float32(height)/2))
DrawList.AddClosedLine(circle[:], LineWidth, draw.Green)
// DrawList.PopClip()
render.List(width, height, DrawList)
if err := gl.GetError(); err != 0 {
fmt.Println(err)
}
stop := qpc.Now()
window.SwapBuffers()
runtime.GC()
glfw.PollEvents()
fmt.Printf("%-10.3f\n", stop.Sub(start).Duration().Seconds()*1000)
}
}
func main() {
if err := glfw.Init(nopContextWatcher{}); err != nil {
panic(err)
}
defer glfw.Terminate()
window, err := glfw.CreateWindow(1536, 960, "", nil, nil)
if err != nil {
panic(err)
}
globalWindow = window
window.MakeContextCurrent()
window.SetInputMode(glfw.CursorMode, glfw.CursorHidden)
if err := gl.Init(); nil != err {
panic(err)
}
glfw.SwapInterval(1) // Vsync.
framebufferSizeCallback := func(w *glfw.Window, framebufferSize0, framebufferSize1 int) {
gl.Viewport(0, 0, int32(framebufferSize0), int32(framebufferSize1))
var windowSize [2]int
windowSize[0], windowSize[1] = w.GetSize()
// Update the projection matrix
gl.MatrixMode(gl.PROJECTION)
gl.LoadIdentity()
gl.Ortho(0, float64(windowSize[0]), float64(windowSize[1]), 0, -1, 1)
gl.MatrixMode(gl.MODELVIEW)
}
{
var framebufferSize [2]int
framebufferSize[0], framebufferSize[1] = window.GetFramebufferSize()
framebufferSizeCallback(window, framebufferSize[0], framebufferSize[1])
}
window.SetFramebufferSizeCallback(framebufferSizeCallback)
var inputEventQueue []InputEvent
mousePointer = &Pointer{VirtualCategory: POINTING}
var lastMousePos mgl64.Vec2
lastMousePos[0], lastMousePos[1] = window.GetCursorPos()
MousePos := func(w *glfw.Window, x, y float64) {
//fmt.Println("MousePos:", x, y)
inputEvent := InputEvent{
Pointer: mousePointer,
EventTypes: map[EventType]bool{SLIDER_EVENT: true, AXIS_EVENT: true},
InputId: 0,
Buttons: nil,
Sliders: []float64{x - lastMousePos[0], y - lastMousePos[1]}, // TODO: Do this in a pointer general way?
Axes: []float64{x, y},
}
lastMousePos[0] = x
lastMousePos[1] = y
inputEventQueue = EnqueueInputEvent(inputEvent, inputEventQueue)
}
window.SetCursorPosCallback(MousePos)
MousePos(window, lastMousePos[0], lastMousePos[1])
gl.ClearColor(0.85, 0.85, 0.85, 1)
rand.Seed(4)
var widget = newMultitouchTestBoxWidget(mgl64.Vec2{600, 300}, rand.Intn(6))
var widget2 = newMultitouchTestBoxWidget(mgl64.Vec2{600 + 210, 300 + 210}, rand.Intn(6))
var widget3 = newMultitouchTestBoxWidget(mgl64.Vec2{600 + 210, 300}, rand.Intn(6))
var widget4 = newMultitouchTestBoxWidget(mgl64.Vec2{600, 300 + 210}, rand.Intn(6))
go func() {
<-time.After(5 * time.Second)
log.Println("trigger!")
widget.color++ // HACK: Racy.
glfw.PostEmptyEvent()
}()
for !window.ShouldClose() {
//glfw.PollEvents()
glfw.WaitEvents()
// Process Input.
inputEventQueue = ProcessInputEventQueue(inputEventQueue)
gl.Clear(gl.COLOR_BUFFER_BIT)
widget.Render()
widget2.Render()
widget3.Render()
widget4.Render()
mousePointer.Render()
window.SwapBuffers()
log.Println("swapped buffers")
runtime.Gosched()
}
}
func main() {
runtime.LockOSThread()
if err := glfw.Init(); err != nil {
panic(err)
}
defer glfw.Terminate()
window, err := glfw.CreateWindow(800, 600, "fontstash example", nil, nil)
if err != nil {
panic(err)
}
window.MakeContextCurrent()
glfw.SwapInterval(1)
gl.Init()
stash := fontstash.New(512, 512)
clearSansRegular, err := stash.AddFont(filepath.Join("..", "ClearSans-Regular.ttf"))
if err != nil {
panic(err)
}
clearSansItalic, err := stash.AddFont(filepath.Join("..", "ClearSans-Italic.ttf"))
if err != nil {
panic(err)
}
clearSansBold, err := stash.AddFont(filepath.Join("..", "ClearSans-Bold.ttf"))
if err != nil {
panic(err)
}
droidJapanese, err := stash.AddFont(filepath.Join("..", "DroidSansJapanese.ttf"))
if err != nil {
panic(err)
}
gl.ClearColor(0.3, 0.3, 0.32, 1.)
for !window.ShouldClose() {
gl.Clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT)
gl.MatrixMode(gl.PROJECTION)
gl.LoadIdentity()
gl.Ortho(0, 800, 0, 600, -1, 1)
gl.MatrixMode(gl.MODELVIEW)
gl.LoadIdentity()
gl.Disable(gl.DEPTH_TEST)
gl.Color4ub(255, 255, 255, 255)
gl.Enable(gl.BLEND)
gl.BlendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA)
gl.Disable(gl.TEXTURE_2D)
gl.Begin(gl.QUADS)
gl.Vertex2i(0, -5)
gl.Vertex2i(5, -5)
gl.Vertex2i(5, -11)
gl.Vertex2i(0, -11)
gl.End()
sx := float64(100)
sy := float64(250)
stash.BeginDraw()
dx := sx
dy := sy
dx = stash.DrawText(clearSansRegular, 24, dx, dy, "The quick ", [4]float32{0, 0, 0, 1})
dx = stash.DrawText(clearSansItalic, 48, dx, dy, "brown ", [4]float32{1, 1, 0.5, 1})
dx = stash.DrawText(clearSansRegular, 24, dx, dy, "fox ", [4]float32{0, 1, 0.5, 1})
_, _, lh := stash.VMetrics(clearSansItalic, 24)
dx = sx
dy -= lh * 1.2
dx = stash.DrawText(clearSansItalic, 24, dx, dy, "jumps over ", [4]float32{0, 1, 1, 1})
dx = stash.DrawText(clearSansBold, 24, dx, dy, "the lazy ", [4]float32{1, 0, 1, 1})
dx = stash.DrawText(clearSansRegular, 24, dx, dy, "dog.", [4]float32{0, 1, 0, 1})
dx = sx
dy -= lh * 1.2
dx = stash.DrawText(clearSansRegular, 12, dx, dy, "Now is the time for all good men to come to the aid of the party.", [4]float32{0, 0, 1, 1})
_, _, lh = stash.VMetrics(clearSansItalic, 12)
dx = sx
dy -= lh * 1.2 * 2
dx = stash.DrawText(clearSansItalic, 18, dx, dy, "Ég get etið gler án þess að meiða mig.", [4]float32{1, 0, 0, 1})
_, _, lh = stash.VMetrics(clearSansItalic, 18)
dx = sx
dy -= lh * 1.2
stash.DrawText(droidJapanese, 18, dx, dy, "どこかに置き忘れた、サングラスと打ち明け話。", [4]float32{1, 1, 1, 1})
stash.EndDraw()
gl.Enable(gl.DEPTH_TEST)
window.SwapBuffers()
glfw.PollEvents()
}
}
func main() {
fmt.Printf(`WolfenGo v%s, Copyright (C) 2016 gdm85
https://github.com/gdm85/wolfengo
WolfenGo comes with ABSOLUTELY NO WARRANTY.
This is free software, and you are welcome to redistribute it
under GNU/GPLv2 license.`+"\n", version)
if err := glfw.Init(); err != nil {
fatalError(err)
}
defer glfw.Terminate()
// create a context and activate it
glfw.WindowHint(glfw.ContextVersionMajor, 2)
glfw.WindowHint(glfw.ContextVersionMinor, 1)
glfw.WindowHint(glfw.Resizable, glfw.False)
glfw.WindowHint(glfw.DoubleBuffer, glfw.True)
var err error
Window, err = glfw.CreateWindow(800, 600, "WolfenGo", nil, nil)
if err != nil {
fatalError(err)
}
Window.MakeContextCurrent()
// gl.Init() should be called after context is current
if err := gl.Init(); err != nil {
fatalError(err)
}
glfw.SwapInterval(1) // enable vertical refresh
fmt.Println(gl.GoStr(gl.GetString(gl.VERSION)))
if debugGL {
gl.DebugMessageCallback(debugCb, unsafe.Pointer(nil))
gl.Enable(gl.DEBUG_OUTPUT)
}
// init graphics
gl.ClearColor(0.0, 0.0, 0.0, 0.0)
gl.FrontFace(gl.CW)
gl.CullFace(gl.BACK)
gl.Enable(gl.CULL_FACE)
gl.Enable(gl.DEPTH_TEST)
gl.Enable(gl.BLEND)
gl.BlendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA)
gl.Enable(gl.DEPTH_CLAMP)
gl.Enable(gl.TEXTURE_2D)
isRunning := false
// load all assets
_, err = getBasicShader()
if err != nil {
fatalError(err)
}
err = _defaultMedkit.initMedkit()
if err != nil {
fatalError(err)
}
err = _defaultMonster.initMonster()
if err != nil {
fatalError(err)
}
getDoorMesh()
initPlayer()
err = initGun()
if err != nil {
fatalError(err)
}
G, err = NewGame()
if err != nil {
fatalError(err)
}
// GAME STARTS
isRunning = true
var frames uint64
var frameCounter time.Duration
frameTime := time.Duration(1000/frameCap) * time.Millisecond
lastTime := time.Now()
var unprocessedTime time.Duration
for isRunning {
var render bool
startTime := time.Now()
passedTime := startTime.Sub(lastTime)
lastTime = startTime
unprocessedTime += passedTime
frameCounter += passedTime
for unprocessedTime > frameTime {
render = true
unprocessedTime -= frameTime
if Window.ShouldClose() {
isRunning = false
}
G.timeDelta = frameTime.Seconds()
glfw.PollEvents()
err := G.input()
if err != nil {
fatalError(err)
}
err = G.update()
if err != nil {
fatalError(err)
}
if frameCounter >= time.Second {
if printFPS {
fmt.Printf("%d FPS\n", frames)
}
frames = 0
frameCounter -= time.Second
}
}
if render {
//TODO: Stencil Buffer
gl.Clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT)
G.render()
frames++
Window.SwapBuffers()
} else {
time.Sleep(time.Millisecond)
}
}
Window.Destroy()
}
func draw() {
gl.ClearColor(0.2, 0.3, 0.3, 1.0)
gl.Clear(gl.COLOR_BUFFER_BIT)
//gl.Clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT)
// gl.Color4f(1, 1, 1, 1) // I have no idea what this does yet.
}
func (view *MenuView) Enter() {
gl.ClearColor(0.333, 0.333, 0.333, 1)
view.director.SetTitle("Select Game")
view.director.window.SetCharCallback(view.onChar)
}
// ClearColor specifies the RGBA values used to clear color buffers.
//
// http://www.khronos.org/opengles/sdk/docs/man3/html/glClearColor.xhtml
func ClearColor(red, green, blue, alpha float32) {
gl.ClearColor(red, green, blue, alpha)
}
func setupScene(w *glfw.Window) {
gl.ClearColor(.5, .5, .5, 0)
}
func main() {
if err := glfw.Init(); err != nil {
fmt.Println("glfw.Init():", err)
return
}
defer glfw.Terminate()
glfw.WindowHint(glfw.Decorated, glfw.True)
glfw.WindowHint(glfw.ContextVersionMajor, 1)
glfw.WindowHint(glfw.ContextVersionMinor, 0)
glfw.WindowHint(glfw.Resizable, glfw.True)
window, err := glfw.CreateWindow(10, 10, "Settlers", nil, nil)
if err != nil {
fmt.Println("glfw.CreateWindow():", err)
return
}
window.MakeContextCurrent()
if err := gl.Init(); err != nil {
fmt.Println("gl.Init():", err)
return
}
stash := fontstash.New(512, 512)
fontID, err := stash.AddFont(resourcePath("MorrisRoman-Black.ttf"))
if err != nil {
fmt.Println(err)
return
}
stash.SetYInverted(true)
font := &font{stash, fontID, 35}
gl.Enable(gl.BLEND)
gl.BlendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA)
gl.MatrixMode(gl.MODELVIEW)
gl.LoadIdentity()
rand.Seed(time.Now().UnixNano())
g := game.New([]game.Color{game.Red, game.White, game.Blue}, rand.Int())
var lines []string
window.SetCharCallback(func(_ *glfw.Window, r rune) {
if len(lines) == 0 {
lines = []string{""}
}
lines[len(lines)-1] += string(r)
})
window.SetCharModsCallback(func(_ *glfw.Window, r rune, _ glfw.ModifierKey) {
})
window.SetKeyCallback(func(_ *glfw.Window, key glfw.Key, _ int, action glfw.Action, _ glfw.ModifierKey) {
if action == glfw.Release {
return
}
if key == glfw.KeyEscape {
window.SetShouldClose(true)
}
if key == glfw.Key1 {
g.CurrentPlayer = 0
}
if key == glfw.Key2 {
g.CurrentPlayer = 1
}
if key == glfw.Key3 {
g.CurrentPlayer = 2
}
if key == glfw.Key4 {
g.CurrentPlayer = 3
}
if key == glfw.KeyR {
state = buildingRoad
}
if key == glfw.KeyS {
state = buildingSettlement
}
if key == glfw.KeyKP2 {
g.DealResources(2)
}
if key == glfw.KeyKP3 {
g.DealResources(3)
}
if key == glfw.KeyKP4 {
g.DealResources(4)
}
if key == glfw.KeyKP5 {
g.DealResources(5)
}
if key == glfw.KeyKP6 {
g.DealResources(6)
}
if key == glfw.KeyKP8 {
g.DealResources(8)
}
if key == glfw.KeyKP9 {
g.DealResources(9)
}
if key == glfw.KeyKP0 {
g.DealResources(10)
}
if key == glfw.KeyKP1 {
g.DealResources(11)
}
if key == glfw.KeyKP7 {
g.DealResources(12)
}
if len(lines) > 0 && key == glfw.KeyBackspace && (action == glfw.Press || action == glfw.Repeat) {
if len(lines[len(lines)-1]) == 0 {
lines = lines[:len(lines)-1]
} else {
lines[len(lines)-1] = removeLastRune(lines[len(lines)-1])
}
}
if (action == glfw.Press || action == glfw.Repeat) &&
(key == glfw.KeyEnter || key == glfw.KeyKPEnter) {
lines = append(lines, "")
}
})
window.SetInputMode(glfw.CursorMode, glfw.CursorHidden)
window.SetInputMode(glfw.CursorMode, glfw.CursorNormal)
window.SetSizeCallback(func(_ *glfw.Window, w, h int) {
windowW, windowH = w, h
cam.WindowWidth, cam.WindowHeight = w, h
gl.Viewport(0, 0, int32(w), int32(h))
})
if err := loadImages(); err != nil {
fmt.Println(err)
return
}
var background image.Image
var backImg *glImage
go func() {
gameW, gameH := 7*200, 7*tileYOffset+tileSlopeHeight
back := image.NewRGBA(image.Rect(0, 0, gameW, gameH))
clearToTransparent(back)
drawGameBackgroundIntoImage(back, g)
background = back
}()
gameColorToString := func(c game.Color) string {
switch c {
case game.Red:
return "red"
case game.Orange:
return "orange"
case game.Blue:
return "blue"
default:
return "white"
}
}
roadImage := func(pos game.TileEdge, c game.Color) *glImage {
color := gameColorToString(c)
dir := "up"
if isEdgeVertical(pos) {
dir = "vertical"
}
if isEdgeGoingDown(pos) {
dir = "down"
}
return glImages["road_"+color+"_"+dir]
}
settlementImage := func(c game.Color) *glImage {
return glImages["settlement_"+gameColorToString(c)]
}
cityImage := func(c game.Color) *glImage {
return glImages["city_"+gameColorToString(c)]
}
// TODO this is for showing the road/settlement being built currently
var movingSettlementCorner game.TileCorner
var movingSettlementVisible bool
var movingRoadEdge game.TileEdge
var movingRoadVisible bool
window.SetCursorPosCallback(func(_ *glfw.Window, x, y float64) {
mouseX, mouseY = x, y
gameX, gameY := cam.screenToGame(x, y)
movingSettlementCorner, movingSettlementVisible = screenToCorner(gameX, gameY)
movingRoadEdge, movingRoadVisible = screenToEdge(gameX, gameY)
})
window.SetCursorEnterCallback(func(_ *glfw.Window, entered bool) {
mouseIn = entered
if entered == false {
movingSettlementVisible = false
movingRoadVisible = true
}
})
//////////////////////////////////////////////////////////////////
drawGame := func() {
if backImg == nil && background != nil {
backImg, _ = NewGLImageFromImage(background)
}
if backImg != nil {
backImg.DrawAtXY(0, 0)
for _, p := range g.GetPlayers() {
for _, r := range p.GetBuiltRoads() {
x, y := edgeToScreen(r.Position)
img := roadImage(r.Position, p.Color)
img.DrawAtXY(x-img.Width/2, y-img.Height/2)
}
for _, s := range p.GetBuiltSettlements() {
x, y := cornerToScreen(s.Position)
img := settlementImage(p.Color)
img.DrawAtXY(x-img.Width/2, y-(5*img.Height/8))
}
for _, c := range p.GetBuiltCities() {
x, y := cornerToScreen(c.Position)
img := cityImage(p.Color)
img.DrawAtXY(x-img.Width/2, y-(5*img.Height/8))
}
}
if state == buildingSettlement && movingSettlementVisible && mouseIn {
color := [4]float32{1, 1, 1, 1}
x, y := cornerToScreen(movingSettlementCorner)
if !movingSettlementVisible || !g.CanBuildSettlementAt(movingSettlementCorner) {
color = [4]float32{0.7, 0.7, 0.7, 0.7}
x, y = cam.screenToGame(mouseX, mouseY)
}
img := settlementImage(g.GetCurrentPlayer().Color)
// TODO duplicate code:
img.DrawColoredAtXY(x-img.Width/2, y-(5*img.Height/8), color)
}
if state == buildingRoad && movingRoadVisible && mouseIn {
color := [4]float32{1, 1, 1, 1}
x, y := edgeToScreen(movingRoadEdge)
if !(!movingRoadVisible || !g.CanBuildRoadAt(movingRoadEdge)) {
img := roadImage(movingRoadEdge, g.GetCurrentPlayer().Color)
// TODO duplicate code:
img.DrawColoredAtXY(x-img.Width/2, y-(5*img.Height/8), color)
}
}
x, y, w, h := tileToScreen(g.Robber.Position)
robber := glImages["robber"]
robber.DrawAtXY(x+(w-robber.Width)/2, y+(h-robber.Height)/2)
}
}
buildMenu := &menu{color{0.5, 0.4, 0.8, 0.9}, rect{0, 500, 800, 250}}
showCursor := 0
start := time.Now()
frames := 0
window.SetSize(windowW, windowH)
for !window.ShouldClose() {
glfw.PollEvents()
gl.MatrixMode(gl.PROJECTION)
gl.LoadIdentity()
const controlsHeight = 0 // TODO reserve are for stats and menus
gameW, gameH := 7.0*200, 7.0*tileYOffset+tileSlopeHeight+controlsHeight
gameRatio := gameW / gameH
windowRatio := float64(windowW) / float64(windowH)
var left, right, bottom, top float64
if windowRatio > gameRatio {
// window is wider than game => borders left and right
border := (windowRatio*gameH - gameW) / 2
left, right = -border, border+gameW
bottom, top = gameH, 0
} else {
// window is higher than game => borders on top and bottom
border := (gameW/windowRatio - gameH) / 2
left, right = 0, gameW
bottom, top = gameH+border, -border
}
gl.Ortho(left, right, bottom, top, -1, 1)
cam.Left, cam.Right, cam.Bottom, cam.Top = left, right, bottom, top
gl.ClearColor(0, 0, 1, 1)
gl.Clear(gl.COLOR_BUFFER_BIT)
drawGame()
lines = make([]string, g.PlayerCount*6)
for i, player := range g.GetPlayers() {
lines[i*6+0] = fmt.Sprintf("player %v has %v ore", i+1, player.Resources[game.Ore])
lines[i*6+1] = fmt.Sprintf("player %v has %v grain", i+1, player.Resources[game.Grain])
lines[i*6+2] = fmt.Sprintf("player %v has %v lumber", i+1, player.Resources[game.Lumber])
lines[i*6+3] = fmt.Sprintf("player %v has %v wool", i+1, player.Resources[game.Wool])
lines[i*6+4] = fmt.Sprintf("player %v has %v brick", i+1, player.Resources[game.Brick])
}
if len(lines) > 0 {
stash.BeginDraw()
const fontSize = 35
const cursorText = "" //"_"
cursor := ""
if showCursor > 60 {
cursor = cursorText
}
for i, line := range lines {
output := line
if i == len(lines)-1 {
output += cursor
}
font.Write(output, 0, float64(i+1)*fontSize)
}
if len(lines) == 0 {
font.Write(cursor, 0, fontSize)
}
stash.EndDraw()
}
buildMenu.draw()
window.SwapBuffers()
showCursor = (showCursor + 1) % 120
frames++
if time.Now().Sub(start).Seconds() >= 1.0 {
fmt.Println(frames, "fps")
frames = 0
start = time.Now()
}
}
}
func clear() {
gl.ClearColor(0.0, 0.0, 0.0, 0.0)
gl.Clear(gl.COLOR_BUFFER_BIT)
}
func main() {
if err := glfw.Init(nopContextWatcher{}); err != nil {
panic(err)
}
defer glfw.Terminate()
glfw.WindowHint(glfw.Samples, 8) // Anti-aliasing.
window, err := glfw.CreateWindow(400, 400, "", nil, nil)
if err != nil {
panic(err)
}
window.MakeContextCurrent()
if err := gl.Init(); err != nil {
panic(err)
}
glfw.SwapInterval(1) // Vsync.
InitFont()
defer DeinitFont()
framebufferSizeCallback := func(w *glfw.Window, framebufferSize0, framebufferSize1 int) {
gl.Viewport(0, 0, int32(framebufferSize0), int32(framebufferSize1))
var windowSize [2]int
windowSize[0], windowSize[1] = w.GetSize()
// Update the projection matrix.
gl.MatrixMode(gl.PROJECTION)
gl.LoadIdentity()
gl.Ortho(0, float64(windowSize[0]), float64(windowSize[1]), 0, -1, 1)
gl.MatrixMode(gl.MODELVIEW)
}
{
var framebufferSize [2]int
framebufferSize[0], framebufferSize[1] = window.GetFramebufferSize()
framebufferSizeCallback(window, framebufferSize[0], framebufferSize[1])
}
window.SetFramebufferSizeCallback(framebufferSizeCallback)
var inputEventQueue []events.InputEvent
mousePointer = &events.Pointer{VirtualCategory: events.POINTING}
window.SetMouseMovementCallback(func(w *glfw.Window, xpos, ypos, xdelta, ydelta float64) {
inputEvent := events.InputEvent{
Pointer: mousePointer,
EventTypes: map[events.EventType]struct{}{events.SLIDER_EVENT: {}},
InputId: 0,
Buttons: nil,
Sliders: []float64{xdelta, ydelta},
}
if w.GetInputMode(glfw.CursorMode) != glfw.CursorDisabled {
inputEvent.EventTypes[events.AXIS_EVENT] = struct{}{}
inputEvent.Axes = []float64{xpos, ypos}
}
inputEventQueue = events.EnqueueInputEvent(inputEventQueue, inputEvent)
})
window.SetMouseButtonCallback(func(w *glfw.Window, button glfw.MouseButton, action glfw.Action, mods glfw.ModifierKey) {
inputEvent := events.InputEvent{
Pointer: mousePointer,
EventTypes: map[events.EventType]struct{}{events.BUTTON_EVENT: {}},
InputId: uint16(button),
Buttons: []bool{action != glfw.Release},
Sliders: nil,
Axes: nil,
ModifierKey: uint8(mods),
}
inputEventQueue = events.EnqueueInputEvent(inputEventQueue, inputEvent)
})
go func() {
<-time.After(5 * time.Second)
log.Println("trigger!")
boxUpdated = true
glfw.PostEmptyEvent()
}()
gl.BlendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA) // For font.
gl.ClearColor(247.0/255, 247.0/255, 247.0/255, 1)
var spinner int
var widgets []events.Widgeter
widgets = append(widgets, NewButtonWidget(mgl64.Vec2{50, 200}, func() { fmt.Println("button triggered") }))
for !window.ShouldClose() && glfw.Press != window.GetKey(glfw.KeyEscape) {
glfw.WaitEvents()
// Process Input.
inputEventQueue = events.ProcessInputEventQueue(inputEventQueue, widgets[0])
gl.Clear(gl.COLOR_BUFFER_BIT)
gl.LoadIdentity()
for _, widget := range widgets {
widget.Render()
}
drawSpinner(spinner)
spinner++
drawBox()
gl.Color3d(1, 0, 0)
NewOpenGlStream(mgl64.Vec2{50, 300}).PrintText(` !"#$%&'()*+,-./
0123456789:;<=>?
@ABCDEFGHIJKLMNO
PQRSTUVWXYZ[\]^_
` + "`" + `abcdefghijklmno
pqrstuvwxyz{|}~`)
window.SwapBuffers()
log.Println("swapped buffers")
//runtime.Gosched()
}
}
