The Ring programming language version 1.9 book - Part 61 of 210

1. Ring Documentation, Release 1.9
point = ogame.screen_h+30
nstep = 10
direction = ge_direction_incvertical
state = func oGame,oSelf {
x = oGame.aObjects[oGameState.playerindex]
if oself.x >= x.x and oself.y >= x.y and
oself.x <= x.x + x.width and
oself.y <= x.y + x.height
if oGameState.value > 0
oGameState.value-=10
ok
ogame.remove(oself.nindex)
checkgameover(oGame)
ok
}
}
}
ok
}
}
next
text {
size = 30
file = "fonts/pirulen.ttf"
text = "Destroy All Enemies!"
nstep = 3
color = GE_COLOR_GREEN
x = 100 y=50
direction = ge_direction_incvertical
point = 500
}
text {
animate = false
point = 400
size = 30
file = "fonts/pirulen.ttf"
text = "Score : " + oGameState.score
x = 500 y=10
state = func oGame,oSelf { oSelf { text = "Score : " + oGameState.score } }
}
text {
animate = false
point = 400
size = 30
file = "fonts/pirulen.ttf"
text = "Energy : " + oGameState.value
x = 500 y=50
state = func oGame,oSelf { oSelf { text = "Energy : " + oGameState.value } }
}
text {
animate = false
point = 400
size = 30
file = "fonts/pirulen.ttf"
text = "Level : " + oGameState.level
x = 500 y=90
}
}
59.27. Stars Fighter Game 569

2. Ring Documentation, Release 1.9
func checkwin ogame
if oGameState.gameresult return ok
if oGameState.enemies = 0
oGameState.gameresult = true
oGame {
if oGameState.level < 30
text {
point = 400
size = 30
file = "fonts/pirulen.ttf"
text = "Level Completed!"
nStep = 3
x = 500 y=10
state = func ogame,oself {
if oself.y >= 400
ogame.shutdown = true
oGameState.level++
oGameState.enemies = oGameState.level
oGameState.gameresult = false
ok
}
}
else
text {
point = 400
size = 30
nStep = 3
file = "fonts/pirulen.ttf"
text = "You Win !!!"
x = 500 y=10
state = func ogame,oself {
if oself.y >= 400
ogame.shutdown = true
oGameState.value = 0
ok
}
}
ok
}
ok
func checkgameover ogame
if oGameState.gameresult return ok
if oGameState.value <= 0
oGameState.gameresult = true
oGame {
text {
point = 400
size = 30
nStep = 3
file = "fonts/pirulen.ttf"
text = "Game Over !!!"
x = 500 y=10
state = func ogame,oself {
if oself.y >= 400
ogame.shutdown = true
ok
59.27. Stars Fighter Game 570

3. Ring Documentation, Release 1.9
}
}
}
showfire(oGame,oGame.aObjects[oGameState.PlayerIndex].x+40,
oGame.aObjects[oGameState.PlayerIndex].y+40)
oGame.aObjects[oGameState.PlayerIndex].enabled = false
oGame.remove(oGameState.PlayerIndex)
ok
func showfire oGame,nX,nY
oGame {
animate {
file = "images/fire.png"
x = nX
y = nY
framewidth = 40
height = 42
nStep = 3
transparent = true
state = func oGame,oSelf {
oSelf {
nStep--
if nStep = 0
nStep = 3
if frame < 13
frame++
else
frame=1
oGame.remove(oself.nIndex)
ok
ok
}
}
}
}
class gamestate
score = 0
level = 1
enemies = 1
value = 100
playerindex = 2
gameresult = false
startplay=false
Screen Shot:
59.27. Stars Fighter Game 571

4. Ring Documentation, Release 1.9
59.28 Flappy Bird 3000 Game
The Flappy Bird 3000 Game source code
# The Ring Standard Library
# Game Engine for 2D Games
# 2016, Mahmoud Fayed <msfclipper@yahoo.com>
oGameState = NULL
Load "gameengine.ring"
func main
oGame = New Game
while true
oGameState = New GameState
oGame {
59.28. Flappy Bird 3000 Game 572

5. Ring Documentation, Release 1.9
title = "Flappy Bird 3000"
sprite
{
file = "images/fbback.png"
x = 0 y=0 width=800 height = 600 scaled = true animate = false
keypress = func ogame,oself,nKey {
if nkey = key_esc or nKey = GE_AC_BACK
ogame.shutdown()
but nKey = key_space
oGameState.startplay=true
ogame.shutdown=true
ok
}
mouse = func ogame,oself,nType,aMouseList {
if nType = GE_MOUSE_UP
cFunc = oself.keypress
call cFunc(oGame,oSelf,Key_Space)
ok
}
}
text {
animate = false
size = 35
file = "fonts/pirulen.ttf"
text = "Flappy Bird 3000"
x = 150 y=50
}
text {
animate = false
size = 25
file = "fonts/pirulen.ttf"
text = "Version 1.0"
x = 280 y=100
}
text {
animate = false
size = 16
file = "fonts/pirulen.ttf"
text = "(C) 2016, Mahmoud Fayed"
x = 245 y=140
}
text {
animate = false
size = 25
file = "fonts/pirulen.ttf"
text = "To Win Get Score = 3000"
x = 150 y=270
}
text {
animate = false
size = 25
file = "fonts/pirulen.ttf"
text = "Press Space to start"
x = 190 y=470
}
text {
59.28. Flappy Bird 3000 Game 573

6. Ring Documentation, Release 1.9
animate = false
size = 20
file = "fonts/pirulen.ttf"
text = "Press Esc to Exit"
x = 260 y=510
}
animate {
file = "images/fbbird.png"
x = 200
y = 200
framewidth = 20
scaled = true
height = 50
width = 50
nStep = 3
transparent = true
animate = true
direction = ge_direction_random
state = func oGame,oSelf {
oSelf {
nStep--
if nStep = 0
nStep = 3
if frame < 3
frame++
else
frame=1
ok
ok
if x <= 0 x=0 ok
if y <= 0 y=0 ok
if x >= 750 x= 750 ok
if y > 550 y=550 ok
}
}
}
Sound {
file = "sound/music2.wav"
}
}
if oGameState.startplay
oGame.refresh()
playstart(oGame)
oGame.refresh()
ok
end
func playstart oGame
oGame {
FPS = 60
FixedFPS = 120
Title = "Flappy Bird 3000"
Sprite {
59.28. Flappy Bird 3000 Game 574

7. Ring Documentation, Release 1.9
file = "images/fbback.png"
x = 0 y=0 width=800 height = 600 scaled = true animate = false
keypress = func ogame,oself,nKey {
if nkey = key_esc or nKey = GE_AC_BACK
ogame.shutdown()
ok
}
}
Map {
blockwidth = 80
blockheight = 80
aMap = [
[0,0,0,0,0,0,0,0,0,1,0,0,0,3,0,0,0,1,0,0,0,0,0,0,0,1,0,0,0],
[0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,1,0,0,0],
[0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,1,0,0,0,2,0,0,0,1,0,0,0],
[0,0,0,0,0,0,0,0,0,1,0,0,0,2,0,0,0,3,0,0,0,1,0,0,0,1,0,0,0],
[0,0,0,0,0,0,0,0,0,3,0,0,0,1,0,0,0,0,0,0,0,1,0,0,0,3,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0]
]
newmap(aMap)
aImages = ["images/fbwall.png","images/fbwallup.png",
"images/fbwalldown.png"]
state = func oGame,oSelf {
if oGameState.gameresult = false
px = oGame.aObjects[3].x
py = oGame.aObjects[3].y
oSelf {
x -= 3
if x < - 2100
x = 0
newmap(aMap)
ok
nCol = getcol(px,0)
if nCol=11 or nCol=15 or nCol=19 or nCol=23 or nCol=27
if nCol != oGameState.lastcol
oGameState.lastcol = nCol
oGameState.Score += 100
oGame { Sound {
once = true
file = "sound/sfx_point.wav"
} }
checkwin(oGame)
ok
ok
}
if oSelf.getvalue(px+40,py) != 0 or
oSelf.getvalue(px+40,py+40) != 0 or
oSelf.getvalue(px,py) != 0 or
oSelf.getvalue(px,py+40) != 0
oGameState.gameresult = true
oGame {
text {
point = 550
size = 30
nStep = 3
59.28. Flappy Bird 3000 Game 575

8. Ring Documentation, Release 1.9
file = "fonts/pirulen.ttf"
text = "Game Over !!!"
x = 500 y=10
state = func ogame,oself {
if oself.y >= 550
ogame.shutdown = true
ok
if oself.y = 90
ogame {
Sound {
once = true
file = "sound/sfx_die.wav"
}
}
ok
}
}
Sound {
once = true
file = "sound/sfx_hit.wav"
}
}
ok
ok
}
}
animate {
file = "images/fbbird.png"
x = 10
y = 10
framewidth = 20
scaled = true
height = 50
width = 50
nStep = 3
transparent = true
state = func oGame,oSelf {
oSelf {
nStep--
if nStep = 0
nStep = 3
if frame < 3
frame++
else
frame=1
ok
ok
}
if not oGameState.playerwin
oGameState.down --
if oGameState.down = 0
oGameState.down = 3
oself {
y += 25
if y > 550 y=550 ok
}
59.28. Flappy Bird 3000 Game 576

9. Ring Documentation, Release 1.9
ok
ok
}
keypress = func ogame,oself,nKey {
if oGameState.gameresult = false
oself {
if nkey = key_space
y -= 55
oGameState.down = 60
if y<=0 y=0 ok
ok
}
ok
}
mouse = func ogame,oself,nType,aMouseList {
if nType = GE_MOUSE_UP
cFunc = oself.keypress
call cFunc(oGame,oSelf,Key_Space)
ok
}
}
text {
animate = false
point = 400
size = 30
file = "fonts/pirulen.ttf"
text = "Score : " + oGameState.score
x = 500 y=10
state = func oGame,oSelf {
oSelf { text = "Score : " + oGameState.score }
}
}
}
func newmap aMap
aV = [
[1,1,3,0,0,2,1,1],
[1,3,0,0,0,2,1,1],
[1,1,1,3,0,2,1,1],
[1,1,1,3,0,0,0,0],
[0,0,0,0,2,1,1,1],
[0,0,2,1,1,1,1,1],
[0,0,0,2,1,1,1,1],
[1,1,1,3,0,2,1,1],
[1,1,1,1,1,3,0,0],
[3,0,0,2,1,1,1,1],
[3,0,0,2,3,0,0,2]
]
for x = 10 to 24 step 4
aVar = aV[ (random(10)+1) ]
for y = 1 to 8
aMap[y][x] = aVar[y]
next
next
59.28. Flappy Bird 3000 Game 577

10. Ring Documentation, Release 1.9
func checkwin ogame
if oGameState.score = 3000
oGameState.gameresult = true
oGameState.playerwin = true
oGame {
text {
point = 400
size = 30
nStep = 3
file = "fonts/pirulen.ttf"
text = "You Win !!!"
x = 500 y=10
state = func ogame,oself {
if oself.y >= 400
ogame.shutdown = true
oGameState.value = 0
ok
}
}
}
ok
Class GameState
down = 3
gameresult = false
Score = 0
startplay=false
lastcol = 0
playerwin = false
Screen Shot:
59.28. Flappy Bird 3000 Game 578