func main() {
ret := glfw.Init()
print(ret)
ret = glfw.OpenWindow(300, 300, 0, 0, 0, 0, 0, 0, glfw.WINDOW)
print(ret)
if gl.Init() != 0 {
panic("glew error")
}
running := true
for running {
gl.Begin(gl.TRIANGLES)
gl.Vertex3f(0, 0, 0)
gl.Vertex3f(0, 1, 0)
gl.Vertex3f(1, 1, 0)
gl.End()
glfw.SwapBuffers()
running = glfw.GetKey(glfw.KEY_ESC) == 0 && glfw.GetWindowParam(glfw.OPENED) != 0
}
}
func main() {
// We need to lock the goroutine to one thread due time.Ticker
runtime.LockOSThread()
var err os.Error
err = glfw.Init()
if err != nil {
fmt.Printf("GLFW: %s\n", err)
return
}
defer glfw.Terminate()
// You could probably change the required versions down
glfw.OpenWindowHint(glfw.OpenGLVersionMajor, 3)
glfw.OpenWindowHint(glfw.OpenGLVersionMinor, 3)
glfw.OpenWindowHint(glfw.OpenGLProfile, 1)
// Open Window with 8 bit Alpha
err = glfw.OpenWindow(ScreenWidth, ScreenHeight, 0, 0, 0, 8, 0, 0, glfw.Windowed)
if err != nil {
fmt.Printf("GLFW: %s\n", err)
return
}
defer glfw.CloseWindow()
glfw.SetWindowTitle(WindowTitle)
major, minor, rev := glfw.GLVersion()
if major < 3 {
fmt.Printf("Error your graphic card does not support OpenGL 3.3\n Your GL-Version is: %d, %d, %d\n", major, minor, rev)
fmt.Println("You can try to lower the settings in glfw.OpenWindowHint(glfw.OpenGLVersionMajor/Minor.")
}
initStatus := gl.Init() // Init glew
if initStatus != 0 {
fmt.Printf("Error-code: %d Init-Status: %d\n", gl.GetError(), initStatus)
}
// Enable transparency in OpenGL
gl.Enable(gl.BLEND)
gl.BlendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA)
initResources()
// We are limiting the calls to display() (frames per second) to 60. This prevents the 100% cpu usage.
ticker := time.NewTicker(int64(second) / 60) // max 60 fps
for {
<-ticker.C
move := float32(math.Sin(glfw.Time()))
angle := float32(glfw.Time())
matrix = math3d.MakeTranslationMatrix(move, 0.0, 0.0)
matrix = matrix.Multiply(math3d.MakeZRotationMatrix(angle)).Transposed()
display()
}
// Free resources
free()
runtime.UnlockOSThread()
}
func main() {
sdl.Init(sdl.INIT_VIDEO)
var screen = sdl.SetVideoMode(640, 480, 32, sdl.OPENGL)
if screen == nil {
panic("sdl error")
}
if gl.Init() != 0 {
panic("glew error")
}
pen := Pen{}
gl.MatrixMode(gl.PROJECTION)
gl.Viewport(0, 0, gl.GLsizei(screen.W), gl.GLsizei(screen.H))
gl.LoadIdentity()
gl.Ortho(0, gl.GLdouble(screen.W), gl.GLdouble(screen.H), 0, -1.0, 1.0)
gl.ClearColor(1, 1, 1, 0)
gl.Clear(gl.COLOR_BUFFER_BIT)
var running = true
for running {
e := &sdl.Event{}
for e.Poll() {
switch e.Type {
case sdl.QUIT:
running = false
break
case sdl.KEYDOWN:
running = false
break
case sdl.MOUSEMOTION:
me := e.MouseMotion()
if me.State != 0 {
pen.lineTo(Point{int(me.X), int(me.Y)})
} else {
pen.moveTo(Point{int(me.X), int(me.Y)})
}
break
}
}
sdl.GL_SwapBuffers()
sdl.Delay(25)
}
sdl.Quit()
}
func main() {
sdl.Init(sdl.INIT_VIDEO)
var screen = sdl.SetVideoMode(640, 480, 32, sdl.OPENGL)
if screen == nil {
panic("sdl error")
}
if gl.Init() != 0 {
panic("gl error")
}
pen := Pen{}
gl.MatrixMode(gl.PROJECTION)
gl.Viewport(0, 0, int(screen.W), int(screen.H))
gl.LoadIdentity()
gl.Ortho(0, float64(screen.W), float64(screen.H), 0, -1.0, 1.0)
gl.ClearColor(1, 1, 1, 0)
gl.Clear(gl.COLOR_BUFFER_BIT)
var running = true
for running {
for e := sdl.PollEvent(); e != nil; e = sdl.PollEvent() {
switch ev := e.(type) {
case *sdl.QuitEvent:
running = false
case *sdl.KeyboardEvent:
if ev.Keysym.Sym == sdl.K_ESCAPE {
running = false
}
case *sdl.MouseMotionEvent:
if ev.State != 0 {
pen.lineTo(Point{int(ev.X), int(ev.Y)})
} else {
pen.moveTo(Point{int(ev.X), int(ev.Y)})
}
}
}
sdl.GL_SwapBuffers()
sdl.Delay(25)
}
sdl.Quit()
}
func main() {
var err os.Error
err = glfw.Init()
if err != nil {
fmt.Printf("GLFW: %s\n", err)
return
}
defer glfw.Terminate()
glfw.OpenWindowHint(glfw.WindowNoResize, 1)
glfw.OpenWindowHint(glfw.OpenGLDebugContext, 1)
// You could probably change the required versions down
glfw.OpenWindowHint(glfw.OpenGLVersionMajor, 3)
glfw.OpenWindowHint(glfw.OpenGLVersionMinor, 3)
glfw.OpenWindowHint(glfw.OpenGLProfile, 1)
// Open Window with 8 bit Alpha
err = glfw.OpenWindow(ScreenWidth, ScreenHeight, 0, 0, 0, 8, 0, 0, glfw.Windowed)
if err != nil {
fmt.Printf("GLFW: %s\n", err)
return
}
defer glfw.CloseWindow()
glfw.SetWindowTitle(WindowTitle)
major, minor, rev := glfw.GLVersion()
if major < 3 {
fmt.Printf("Error your graphic card does not support OpenGL 3.3\n Your GL-Version is: %d, %d, %d\n", major, minor, rev)
fmt.Println("You can try to lower the settings in glfw.OpenWindowHint(glfw.OpenGLVersionMajor/Minor.")
}
initStatus := gl.Init() // Init glew
if initStatus != 0 {
fmt.Printf("Error-code: %d Init-Status: %d\n", gl.GetError(), initStatus)
}
// Enable transparency in OpenGL
gl.Enable(gl.BLEND)
gl.BlendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA)
initResources()
for {
display()
}
// Free resources
free()
}
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)
}
func main() {
flag.Parse()
var done bool
var err os.Error
if err = glfw.Init(); err != nil {
fmt.Fprintf(os.Stderr, "[e] %v\n", err)
return
}
defer glfw.Terminate()
if err = glfw.OpenWindow(300, 300, 0, 0, 0, 0, 0, 0, glfw.Windowed); err != nil {
fmt.Fprintf(os.Stderr, "[e] %v\n", err)
return
}
if gl.Init() != 0 {
panic("gl error")
}
defer glfw.CloseWindow()
glfw.SetWindowTitle("gears")
glfw.SetWindowSizeCallback(reshape)
init_()
reshape(300, 300)
done = false
for !done {
idle()
draw()
done = glfw.Key(glfw.KeyEsc) != 0 || glfw.WindowParam(glfw.Opened) == 0
}
}
func main() {
runtime.LockOSThread()
flag.Parse()
buildPalette()
sdl.Init(sdl.INIT_VIDEO)
defer sdl.Quit()
sdl.GL_SetAttribute(sdl.GL_SWAP_CONTROL, 1)
if sdl.SetVideoMode(512, 512, 32, sdl.OPENGL) == nil {
panic("sdl error")
}
if gl.Init() != 0 {
panic("gl error")
}
sdl.WM_SetCaption("Gomandel", "Gomandel")
gl.Enable(gl.TEXTURE_2D)
gl.Viewport(0, 0, 512, 512)
gl.MatrixMode(gl.PROJECTION)
gl.LoadIdentity()
gl.Ortho(0, 512, 512, 0, -1, 1)
gl.ClearColor(0, 0, 0, 0)
//-----------------------------------------------------------------------------
var dndDragging bool = false
var dndStart Point
var dndEnd Point
var tex gl.Texture
var tc TexCoords
var lastProgress int
initialRect := Rect{-1.5, -1.5, 3, 3}
rect := initialRect
rc := new(MandelbrotRequest)
rc.MakeRequest(512, 512, rect)
rc.WaitFor(Small, &tex, &tc)
running := true
e := new(sdl.Event)
for running {
for e.Poll() {
switch e.Type {
case sdl.QUIT:
running = false
case sdl.MOUSEBUTTONDOWN:
dndDragging = true
sdl.GetMouseState(&dndStart.X, &dndStart.Y)
dndEnd = dndStart
case sdl.MOUSEBUTTONUP:
dndDragging = false
sdl.GetMouseState(&dndEnd.X, &dndEnd.Y)
if e.MouseButton().Button == 3 {
rect = initialRect
} else {
rect = rectFromSelection(dndStart, dndEnd, 512, 512, rect)
tc = texCoordsFromSelection(dndStart, dndEnd, 512, 512, tc)
}
// make request
rc.MakeRequest(512, 512, rect)
case sdl.MOUSEMOTION:
if dndDragging {
sdl.GetMouseState(&dndEnd.X, &dndEnd.Y)
}
}
}
// if we're waiting for a result, check if it's ready
p := rc.Update(&tex, &tc)
if p != -1 {
lastProgress = p
}
gl.Clear(gl.COLOR_BUFFER_BIT)
tex.Bind(gl.TEXTURE_2D)
drawQuad(0, 0, 512, 512, tc.TX, tc.TY, tc.TX2, tc.TY2)
gl.BindTexture(gl.TEXTURE_2D, 0)
if dndDragging {
drawSelection(dndStart, dndEnd)
}
drawProgress(512, 512, lastProgress, rc.Pending)
sdl.GL_SwapBuffers()
}
}
func main() {
flag.Parse()
var done bool
var keys []uint8
sdl.Init(sdl.INIT_VIDEO)
var screen = sdl.SetVideoMode(300, 300, 16, sdl.OPENGL|sdl.RESIZABLE)
if screen == nil {
sdl.Quit()
panic("Couldn't set 300x300 GL video mode: " + sdl.GetError() + "\n")
}
if gl.Init() != 0 {
panic("gl error")
}
sdl.WM_SetCaption("Gears", "gears")
init_()
reshape(int(screen.W), int(screen.H))
done = false
for !done {
idle()
for e := sdl.PollEvent(); e != nil; e = sdl.PollEvent() {
switch e.(type) {
case *sdl.ResizeEvent:
re := e.(*sdl.ResizeEvent)
screen = sdl.SetVideoMode(int(re.W), int(re.H), 16,
sdl.OPENGL|sdl.RESIZABLE)
if screen != nil {
reshape(int(screen.W), int(screen.H))
} else {
panic("we couldn't set the new video mode??")
}
break
case *sdl.QuitEvent:
done = true
break
}
}
keys = sdl.GetKeyState()
if keys[sdl.K_ESCAPE] != 0 {
done = true
}
if keys[sdl.K_UP] != 0 {
view_rotx += 5.0
}
if keys[sdl.K_DOWN] != 0 {
view_rotx -= 5.0
}
if keys[sdl.K_LEFT] != 0 {
view_roty += 5.0
}
if keys[sdl.K_RIGHT] != 0 {
view_roty -= 5.0
}
if keys[sdl.K_z] != 0 {
if (sdl.GetModState() & sdl.KMOD_RSHIFT) != 0 {
view_rotz -= 5.0
} else {
view_rotz += 5.0
}
}
draw()
}
sdl.Quit()
return
}
func main() {
filename = flag.String("file", "testbed/data/dude.dat", "enter filename path")
cx = flag.Int("cx", 300, "enter x-coordinate center")
cy = flag.Int("cy", 500, "enter y-coordinate center")
zoom = flag.Float64("zoom", 2, "enter zoom")
flag.Parse()
fmt.Println("opening...", *filename)
f, err := os.Open(*filename)
if f == nil {
fmt.Fprintf(os.Stderr, "cat: can't open %s: error %s\n", *filename, err)
os.Exit(1)
}
d, _ := ioutil.ReadAll(f)
line := strings.SplitAfter(string(d), "\n")
j := 0
for i := 0; i < len(line); i++ {
if len(line[i]) <= 2 {
break
}
j++
}
var polyline = make(p2t.PointArray, j)
for i := 0; i < j; i++ {
line[i] = strings.TrimRight(line[i], "\r\n")
num := strings.Split(line[i], " ")
n1, err1 := strconv.Atof64(num[0])
n2, err2 := strconv.Atof64(num[1])
if err1 != nil || err2 != nil {
fmt.Fprintf(os.Stderr, "cat: can't open %s: error %s\n", *filename, err)
os.Exit(1)
}
polyline[i] = &p2t.Point{X: n1, Y: n2}
}
f.Close()
left = -Width / float64(*zoom)
right = Width / float64(*zoom)
bottom = -Height / float64(*zoom)
top = Height / float64(*zoom)
last_time := time.Nanoseconds()
p2t.Init(polyline)
var triangles p2t.TriArray = p2t.Triangulate()
dt := time.Nanoseconds() - last_time
fmt.Printf("Elapsed time : %f ms\n", float64(dt)*1e-6)
//var mesh p2t.TriArray = p2t.Mesh()
sdl.Init(sdl.INIT_VIDEO)
var screen = sdl.SetVideoMode(Width, Height, 16, sdl.OPENGL|sdl.RESIZABLE)
if screen == nil {
sdl.Quit()
panic("Couldn't set GL video mode: " + sdl.GetError() + "\n")
}
sdl.WM_SetCaption("Pol2tri - testbed", "poly2tri")
if gl.Init() != 0 {
panic("gl error")
}
initGL()
done := false
for !done {
for e := sdl.PollEvent(); e != nil; e = sdl.PollEvent() {
switch e.(type) {
case *sdl.ResizeEvent:
re := e.(*sdl.ResizeEvent)
screen = sdl.SetVideoMode(int(re.W), int(re.H), 16,
sdl.OPENGL|sdl.RESIZABLE)
if screen != nil {
reshape(int(screen.W), int(screen.H))
} else {
panic("we couldn't set the new video mode??")
}
break
case *sdl.QuitEvent:
done = true
break
}
}
keys := sdl.GetKeyState()
if keys[sdl.K_ESCAPE] != 0 {
done = true
}
resetZoom()
draw(triangles)
}
sdl.Quit()
return
}
func main() {
// We need to lock the goroutine to one thread due time.Ticker
runtime.LockOSThread()
var err os.Error
err = glfw.Init()
if err != nil {
fmt.Printf("GLFW: %s\n", err)
return
}
defer glfw.Terminate()
// You could probably change the required versions down
glfw.OpenWindowHint(glfw.OpenGLVersionMajor, 3)
glfw.OpenWindowHint(glfw.OpenGLVersionMinor, 3)
glfw.OpenWindowHint(glfw.OpenGLProfile, 1)
// Open Window with 8 bit Alpha
err = glfw.OpenWindow(ScreenWidth, ScreenHeight, 0, 0, 0, 8, 8, 0, glfw.Windowed)
if err != nil {
fmt.Printf("GLFW: %s\n", err)
return
}
defer glfw.CloseWindow()
glfw.SetWindowTitle(WindowTitle)
glfw.SetWindowSizeCallback(onResize)
major, minor, rev := glfw.GLVersion()
if major < 3 {
fmt.Printf("Error your graphic card does not support OpenGL 3.3\n Your GL-Version is: %d, %d, %d\n", major, minor, rev)
fmt.Println("You can try to lower the settings in glfw.OpenWindowHint(glfw.OpenGLVersionMajor/Minor.")
}
initStatus := gl.Init() // Init glew
if initStatus != 0 {
fmt.Printf("Error-code: %d Init-Status: %d\n", gl.GetError(), initStatus)
}
// Enable transparency in OpenGL
gl.Enable(gl.BLEND)
gl.Enable(gl.DEPTH_TEST)
//gl.DepthFunc(gl.LESS)
gl.BlendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA)
initResources()
// We are limiting the calls to display() (frames per second) to 60. This prevents the 100% cpu usage.
ticker := time.NewTicker(int64(second) / 60) // max 60 fps
for {
<-ticker.C
angle := float32(glfw.Time())
anim := math3d.MakeYRotationMatrix(angle)
model := math3d.MakeTranslationMatrix(0, 0, -4)
view := math3d.MakeLookAtMatrix(math3d.Vector3{0, 2, 0}, math3d.Vector3{0, 0, -4}, math3d.Vector3{0, 1, 0})
projection := math3d.MakePerspectiveMatrix(45, float32(ScreenWidth)/float32(ScreenHeight), 0.1, 10.0)
matrix = math3d.MakeIdentity().Multiply(projection).Multiply(view).Multiply(model).Multiply(anim)
program.Use()
uniformMTransform.UniformMatrix4fv(1, false, matrix.Transposed())
display()
}
// Free resources
free()
runtime.UnlockOSThread()
}
func main() {
//ABSPTest()
//return
glfw.Init(800, 600)
InitPhysics()
world := new(World)
world.Init()
world.GameObjects = new(list.List)
player := MakeMan(Vec3{10, 20, 10})
world.Add(player)
world.Add(ropetest(Vec3{0, 40, 0}, 4, 4))
world.Add(treeThing(Vec3{20, 20, 20}, 3))
world.Add(MakePlayer(Vec3{-20, 20, 0}).Body)
world.Add(MakePlayer(Vec3{-20, 50, 0}).Body)
world.Add(MakePlayer(Vec3{-20, 70, 0}).Body)
world.Add(MakePlayer(Vec3{-20, 90, 0}).Body)
world.Add(MakePlayer(Vec3{-20, 110, 0}).Body)
/*for i := 0; i < 100; i++ {
world.Add(SetPlayerAnimation(MakePlayer(Vec3{float32(int(i%10))*50,0,float32(i*2) - 200})).Body)
}*/
world.Add(NewGameObj(Vec3{0, -20, 0}, Vec3{10000, 10, 10000}, Vec3{0, 0.5, 0.1}, float32(math.Inf(1)), 10, nil))
//world.Add(SetPlayerAnimation(MakePlayer(Vec3{-20,120,0})).Body)
qtn := new(ABSPNode)
qtn.Root = qtn
//qtn.Position = Vec3{-10000,-10000,-10000}
//qtn.Size = Vec3{20000,20000,20000}
for i := world.GameObjects.Front(); i != nil; i = i.Next() {
gobj := i.Value.(*GameObj)
all := gobj.GetSubs()
for i := 0; i < len(all); i++ {
qtn.Insert(all[i])
}
}
world.GameObjectTree = qtn
fmt.Println("Total:", len(qtn.Data))
qtn.Divide()
cols := 0
qtn.cd(func(obj1, obj2 SPData) {
cols += 1
})
fmt.Println(cols)
//qtn.Traverse(0)
//return
gl.Init()
vs := gl.CreateShader(gl.VERTEX_SHADER)
vs.Source(
LoadFileToString("s1.vert"))
vs.Compile()
fs := gl.CreateShader(gl.FRAGMENT_SHADER)
fs.Source(LoadFileToString("s1.frag"))
fs.Compile()
pg := gl.CreateProgram()
pg.AttachShader(vs)
pg.AttachShader(fs)
pg.Link()
pg.Validate()
pg.Use()
fmt.Println("**Shader log**")
fmt.Println(fs.GetInfoLog())
fmt.Println(vs.GetInfoLog())
fmt.Println(pg.GetInfoLog())
fmt.Println("******END*****")
gl.ClearColor(0.5, 0.5, 1, 0)
gl.Enable(gl.DEPTH_TEST)
gl.Enable(gl.BLEND)
gl.Enable(gl.POLYGON_SMOOTH)
gl.Hint(gl.POLYGON_SMOOTH_HINT, gl.NICEST)
var t float64
t = float64(time.Nanoseconds()) / 1000000000
cam1 := Camera{player, 100, Vec3{0, 0, 0}}
glfw.AddListener(func(m glfw.MouseMoveEvent) {
cam1.Angle.X = float32(m.X-400) / 400 * 3.14 * 2
cam1.Angle.Y = float32(m.Y-300) / 300 * 3.14 * 2
//player.Rotation = Vec3{cam1.Angle.X,cam1.Angle.Y,0}
})
glfw.AddListener(func(mw glfw.MouseWheelEvent) {
cam1.Distance = 100 + float32(mw.Pos*mw.Pos*mw.Pos)
})
world.CompilePhysicsObjects()
for it := 0; it < 10000; it += 1 {
cam1.Setup()
dt := float32(0.005)
t = float64(float64(time.Nanoseconds()) / 1000000000)
UpdatePositions(world.PhysicsObjects, dt)
UpdateModelStates(world.PhysicsObjects)
UpdateCollisions(world.GameObjectTree, dt)
UpdateModelStates(world.PhysicsObjects)
gl.Clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT)
DrawWorld(world.GameObjects, dt, pg)
glfw.SwapBuffers()
pt := float64(float64(time.Nanoseconds()) / 1000000000)
sleeptime := (float64(dt) - (pt - t)) * 10e8
fmt.Println("Sleep for:", sleeptime)
time.Sleep(int64(sleeptime))
}
}
