// handle key press events
func handleKeyPress(keysym []uint8) {
keys := sdl.GetKeyState()
if keys[sdl.K_RIGHT] == 1 {
yrot -= 3.5
}
if keys[sdl.K_LEFT] == 1 {
yrot += 3.5
}
if keys[sdl.K_UP] == 1 {
xpos -= float32(math.Sin(float64(yrot)*PiOver100)) * 0.5
zpos -= float32(math.Cos(float64(yrot)*PiOver100)) * 0.5
if walkbiasangle >= 359.0 {
walkbiasangle = 0.0
} else {
walkbiasangle += 10.0
}
walkbias = float32(math.Sin(float64(walkbiasangle)*PiOver100)) / 20.0
}
if keys[sdl.K_DOWN] == 1 {
xpos += float32(math.Sin(float64(yrot)*PiOver100)) * 0.5
zpos += float32(math.Cos(float64(yrot)*PiOver100)) * 0.5
if walkbiasangle <= 1.0 {
walkbiasangle = 359.0
} else {
walkbiasangle -= 10.0
}
walkbias = float32(math.Sin(float64(walkbiasangle)*PiOver100)) / 20.0
}
}
func main() {
flag.Parse()
var done bool
var keys []uint8
sdl.Init(sdl.INIT_VIDEO)
var screen = sdl.SetVideoMode(640, 480, 16, sdl.OPENGL|sdl.RESIZABLE)
if screen == nil {
sdl.Quit()
panic("Couldn't set 300x300 GL video mode: " + sdl.GetError() + "\n")
}
sdl.WM_SetCaption("Gears", "gears")
init_()
reshape(int(screen.W), int(screen.H))
done = false
for !done {
var event sdl.Event
idle()
for event.Poll() {
switch event.Type {
case sdl.VIDEORESIZE:
screen = sdl.SetVideoMode(int(event.Resize().W), int(event.Resize().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.QUIT:
done = true
break
}
}
keys = sdl.GetKeyState()
handleKeyPress(keys)
if keys[sdl.K_ESCAPE] != 0 {
done = true
}
draw()
}
sdl.Quit()
return
}
func (b *Player) Events() {
key := sdl.GetKeyState()
kright := key[sdl.K_RIGHT]
kleft := key[sdl.K_LEFT]
//Set Maximums
b.Topspeed = PLAYER_TOPSPEED / fps()
b.GravityMaxVelocity = PLAYER_MAXGRAVITY / fps()
b.Force = Vector64{PLAYER_TOPSPEED * 2 / fps2(), PLAYER_TOPSPEED * 2 / fps2()}
//Apply Force
if key[sdl.K_UP] != 0 && b.InAir == false {
b.Velocity.Y = -math.Sqrt(210 * gravity.Y)
b.InAir = true
}
if !(kright != 0 && kleft != 0) {
if kright != 0 && b.Velocity.X < b.Topspeed {
b.Velocity.X += b.Force.X
b.Direction = true
}
if kleft != 0 && b.Velocity.X > -b.Topspeed {
b.Velocity.X -= b.Force.X
b.Direction = false
b.SetAnimation(1)
}
}
if b.Velocity.Y < b.GravityMaxVelocity {
b.Velocity.Y += gravity.Y
}
if b.Velocity.Y > b.GravityMaxVelocity {
b.Velocity.Y = b.GravityMaxVelocity
}
/*DEBUG
if key[sdl.K_UP] != 0 && b.Velocity.Y > -b.Topspeed {
b.Velocity.Y -= b.Force.Y
}
if key[sdl.K_DOWN] != 0 && b.Velocity.Y < b.Topspeed {
b.Velocity.Y += b.Force.Y
}*/
b.InAir = true
//Animation
if (kleft != 0 || kright != 0) && !(kright != 0 && kleft != 0) {
b.SetAnimation(1)
} else {
b.SetAnimation(0)
}
}
// handle key press events
func handleKeyPress(keysym sdl.Keysym) {
keys := sdl.GetKeyState()
if keys[sdl.K_ESCAPE] == 1 {
Quit(0)
}
if keys[sdl.K_F1] == 1 {
sdl.WM_ToggleFullScreen(surface)
}
if keys[sdl.K_f] == 1 {
filter = (filter + 1) % 3
}
if keys[sdl.K_RIGHT] == 1 {
yrot -= 1.5
}
if keys[sdl.K_LEFT] == 1 {
yrot += 1.5
}
if keys[sdl.K_UP] == 1 {
xpos -= math.Sin(yrot*PiOver100) * 0.05
zpos -= math.Cos(yrot*PiOver100) * 0.05
if walkbiasangle >= 359.0 {
walkbiasangle = 0.0
} else {
walkbiasangle += 10.0
}
walkbias = math.Sin(walkbiasangle*PiOver100) / 20.0
}
if keys[sdl.K_DOWN] == 1 {
xpos += math.Sin(yrot*PiOver100) * 0.05
zpos += math.Cos(yrot*PiOver100) * 0.05
if walkbiasangle <= 1.0 {
walkbiasangle = 359.0
} else {
walkbiasangle -= 10.0
}
walkbias = math.Sin(walkbiasangle*PiOver100) / 20.0
}
}
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")
}
sdl.WM_SetCaption("Gears", "gears")
init_()
reshape(int(screen.W), int(screen.H))
done = false
for !done {
var event sdl.Event
idle()
for event.Poll() {
switch event.Type {
case sdl.VIDEORESIZE:
screen = sdl.SetVideoMode(int(event.Resize().W), int(event.Resize().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.QUIT:
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 MainGame(lvl int) int {
//=================================
//Init Stuff
//=================================
if player == nil {
player = NewPlayer()
}
currentLvl = MapList[lvl]()
currentLvl.CreateSurface(screen)
lasers := Lasers{}
elasers := Lasers{}
timer := GameTime{now(), now() + int64(currentLvl.TimeLimit*1e9)}
var WinDelay int64
DeltaTime = now() - 50e6
for running := true; running; {
Refresh(screen)
//=================================
//Events
//=================================
for ev := sdl.PollEvent(); ev != nil; ev = sdl.PollEvent() {
switch e := ev.(type) {
case *sdl.QuitEvent:
return G_EXITPROGRAM
/*
case *sdl.KeyboardEvent:
if e.Type == sdl.KEYDOWN && e.Keysym.Sym == sdl.K_p {
d := difftime(DeltaTime)
for PressKey() != sdl.K_p {
}
DeltaTime = now()-d
}*/
}
}
if fps() < 20 {
DeltaTime = now()
continue
}
//=================================
//Object Events
//=================================
gravity.Y = GRAVITYCONSTANT / fps2()
player.Events()
lasers = lasers.Clean()
elasers = elasers.Clean()
currentLvl.Objs = currentLvl.Objs.Clean()
if sdl.GetKeyState()[sdl.K_SPACE] != 0 {
t := player.Shoot()
if t != nil {
lasers = append(lasers, t)
}
}
for _, v := range currentLvl.Monst.Attack() {
elasers = append(elasers, v)
}
//=================================
//Moving Objects
//=================================
player.Move()
currentLvl.Monst.Move()
currentLvl.Objs.Move()
lasers.Move()
elasers.Move()
//=================================
//Collission
//=================================
for im := 0; im < len(currentLvl.Monst); im++ {
mon := currentLvl.Monst[im]
for il := 0; il < len(lasers); il++ {
las := lasers[il]
if HitTest(mon, las) {
if mon.Damage(las.Damage()) { //if dies
//Spoils
spoil := NewSpoils(mon.GetRect().X, mon.GetRect().Y)
if !spoil.IsDead() {
currentLvl.Objs = append(currentLvl.Objs, spoil)
}
//Removing
currentLvl.Monst = currentLvl.Monst.Remove(im)
im--
}
lasers = lasers.Remove(il)
il--
}
}
}
if !player.IsImmortal() {
for _, v := range currentLvl.Monst {
if HitTest(player, v) {
player.WasHit()
}
}
for _, v := range elasers {
if HitTest(player, v) {
player.WasHit()
}
}
}
lasers = lasers.HitWall(currentLvl)
currentLvl.Objs.Hit(player)
DeltaTime = now()
//=================================
//Blitting
//=================================
currentLvl.Blit(screen)
player.Blit(screen)
currentLvl.Monst.Blit(screen)
currentLvl.Objs.Blit(screen)
lasers.Blit(screen)
elasers.Blit(screen)
BlitHeartsAndTimer(screen, player.Lives, timer)
//=================================
//Win Lose Conditions
//=================================
if WinDelay == 0 {
if player.Lives == 0 || difftime(timer.End) > 0 {
if len(currentLvl.Monst) != 0 {
return G_GAMEOVER
}
}
if len(currentLvl.Monst) == 0 {
WinDelay = now() + 2e9
}
} else if now()-WinDelay > 0 {
if lvl == len(MapList)-1 {
return G_ENDGAME
}
return G_NEXTLEVEL
}
//=================================
//FrameSetting
//=================================
screen.Flip()
f := now() - DeltaTime
if f/1e6 < 30 {
sdl.Delay(uint32(30 - (f / 1e6)))
}
}
return G_NEXTLEVEL
}