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reactive.arr
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reactive.arr
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use context essentials2021
include image
include reactors
########################################################################################
# Included images
# https://www.saturnstudio.com/how-to-draw-a-t-rex-step-by-step-for-beginners/
T-REX = scale(0.1, image-url("https://code.pyret.org/shared-image-contents?sharedImageId=1nkeeltHq2-54nwvLR3zlVndZfwPZlUSS"))
# www.51yuansu.com/sc/eelrwkvkbd.html
METEOR = scale(0.4, image-url("https://code.pyret.org/shared-image-contents?sharedImageId=1YvZkCSpmfoxM5WK9dNmoEfo7fdcfHnVR"))
# drawn by Arnie
TRI-CEP = scale(0.08,
image-url("https://code.pyret.org/shared-image-contents?sharedImageId=1s1ffdH0oYTuyT0xybtiw7uYblszZHpyl"))
# UFO: https://www.flaticon.com/free-icon/ufo_3306671
# Shriram: https://cs.brown.edu/~sk/Images/me-2019-04-10-big.jpg
FLYING-SHRIRAM = scale(0.08, image-url("https://code.pyret.org/shared-image-contents?sharedImageId=1GBXZ4MQY83s25bPq1WmfYMbQnbIKO08l"))
# https://code.pyret.org/
PYRET-LOGO = scale(0.08, image-url("https://code.pyret.org/shared-image-contents?sharedImageId=1dbioFc_SHeTNS56LiGQzlFDiLcNGV_ft"))
#####################################################################################
# Datatypes
data Posn:
| posn(x :: Number, y :: Number)
end
data Cutscene:
| cutscene(timer :: Number, played :: Boolean)
end
data Caption:
| caption(
text :: String,
font-size :: Number,
color :: String,
position :: Posn,
remaining-time :: Number)
end
data Meteor:
| meteor(
x :: Number,
y :: Number,
dx :: Number,
dy :: Number,
flipped :: Boolean)
end
data Silly-Flipper:
| silly-flipper(
enabled :: Boolean,
x :: Number,
y :: Number,
wave :: Number)
end
data Dinosaur-Game:
| dinosaur-game(
hori-speed :: Number,
dino-height :: Number,
dino-vertical-velocity :: Number,
ob-hr-distance :: Number,
flipper :: Silly-Flipper,
cap :: List<Caption>,
ticks-past :: Number,
score :: Number,
game-lost :: Boolean,
cts :: Cutscene,
meteor-list :: List<Meteor>,
display-cts :: Boolean,
dino-hori-position :: Number)
end
########################################################################################
# Constants
CANVAS-WIDTH = 800
CANVAS-HEIGHT = 600
CANVAS = rectangle(CANVAS-WIDTH, CANVAS-HEIGHT, "solid", "light-blue")
GROUND-HEIGHT = CANVAS-HEIGHT * 9/10
GROUND-THICKNESS = CANVAS-HEIGHT * 1/5
GROUND = rectangle(CANVAS-WIDTH, GROUND-THICKNESS, "solid", "dark-slate-gray")
BG = place-image(GROUND, CANVAS-WIDTH / 2, GROUND-HEIGHT, CANVAS)
METEOR-RADIUS = image-width(METEOR) / 2
METEOR-Y-FIX = image-height(METEOR) * 0.315
METEOR-DELAY = 20
METEOR-DY = 10
METEOR-DISAPPEAR-HEIGHT = -3 * METEOR-RADIUS
SCORE-PER-METEOR = 100
METEOR-MIN-X = CANVAS-WIDTH * 0.05
METEOR-X-RANGE = CANVAS-WIDTH * 0.9
MAX-WAVE-RADIUS = 40
WAVE-EXPAND-RATE = 2
START-HORI-SPEED = 15
MAX-SPEED = 35
DINO-CENTER-SPEED = 5
RAND-OB-SPACING-BASE = 1/8 * CANVAS-WIDTH
MAX-RAND-OB-SPACING = 3
SCORE-FONT-SIZE = 20
SCORE-POSN = posn(700, 50)
DINOS-Y = 450
DINO-HORI-POS = CANVAS-WIDTH / 8
DINO-STARTING-HEIGHT = 0
GRAVITY = -7
OB-VT-DISTANCE = image-height(T-REX)
HITBOX-SHRINKER = 0.7
JUMP-VELOCITY = 60
CAPTION-SIZE = 25
CAPTION-POSN = posn(400, 200)
CAPTION-TICKS-SHORT = 60
CAPTION-TICKS-LONG = 100
TICKS-TO-CUTSCENE = 800
CUTSCENE-LENGTH = 200
SHRIRAM-Y = 100
PYRET-DOWN-TICKS = 50
POINTS-TO-WIN = 1800
########################################################################################
# Stage 2: Meteors
fun is-colliding(game :: Dinosaur-Game) -> Boolean:
doc: ```Return whether the player is colliding with incoming treex obstacle```
player-right-bound = DINO-HORI-POS + (image-width(TRI-CEP) / 2)
trex-left-bound = game.ob-hr-distance - (image-width(T-REX) / 2)
bounds-diff = player-right-bound - trex-left-bound
width-sum = HITBOX-SHRINKER * (image-width(T-REX) + image-width(TRI-CEP))
if ((width-sum > bounds-diff) and (bounds-diff > 0)):
if ((game.dino-height - (image-height(TRI-CEP) / 2)) < image-height(T-REX)):
true
else:
false
end
else:
false
end
where:
is-colliding(dinosaur-game(
15,
0,
0,
625,
silly-flipper(false, 0, 0, 0),
empty,
25,
25,
false,
cutscene(200, false),
empty,
true,
100)) is false
is-colliding(dinosaur-game(
16,
0,
0,
187,
silly-flipper(false, 0, 0, 0),
empty,
53,
53,
false,
cutscene(200, false),
empty,
true,
100)) is true
is-colliding(dinosaur-game(
16,
10,
0,
150,
silly-flipper(false, 0, 0, 0),
empty,
53,
53,
false,
cutscene(200, false),
empty,
true,
100)) is true
end
fun purge-meteors(game :: Dinosaur-Game) -> Dinosaur-Game:
doc: ```Remove all meteors in meteors-list in game that is above
METEOR-DISAPPEAR-HEIGHT.
Add SCORE-PER-METEOR to game.score for every meteor removed```
cases (List) game.meteor-list:
| empty => game
| link(met, r) =>
purged-r = purge-meteors(
dinosaur-game(
game.hori-speed,
game.dino-height,
game.dino-vertical-velocity,
game.ob-hr-distance,
game.flipper,
game.cap,
game.ticks-past,
game.score,
game.game-lost,
game.cts,
r,
game.display-cts,
game.dino-hori-position))
if (met.y < METEOR-DISAPPEAR-HEIGHT):
dinosaur-game(
game.hori-speed,
game.dino-height,
game.dino-vertical-velocity,
game.ob-hr-distance,
game.flipper,
game.cap,
game.ticks-past,
purged-r.score + SCORE-PER-METEOR,
game.game-lost,
game.cts,
purged-r.meteor-list,
game.display-cts,
game.dino-hori-position)
else:
dinosaur-game(
game.hori-speed,
game.dino-height,
game.dino-vertical-velocity,
game.ob-hr-distance,
game.flipper,
game.cap,
game.ticks-past,
purged-r.score,
game.game-lost,
game.cts,
link(met, purged-r.meteor-list),
game.display-cts,
game.dino-hori-position)
end
end
where:
game1 = dinosaur-game(
32,
0,
0,
-5774,
silly-flipper(true, 3, 2, 12),
empty,
1169,
1500,
false,
cutscene(-1, true),
[list: meteor(141, 75.5, 0, 10, false)],
false,
400)
game2 = dinosaur-game(
32,
0,
0,
-5774,
silly-flipper(true, 3, 2, 12),
empty,
1169,
1500,
false,
cutscene(-1, true),
[list: meteor(141, METEOR-DISAPPEAR-HEIGHT - 1, 0, 10, false)],
false,
400)
game2-expected = dinosaur-game(
32,
0,
0,
-5774,
silly-flipper(true, 3, 2, 12),
empty,
1169,
1500 + SCORE-PER-METEOR,
false,
cutscene(-1, true),
empty,
false,
400)
game3 = dinosaur-game(
32,
0,
0,
-5774,
silly-flipper(true, 3, 2, 12),
empty,
1169,
1500,
false,
cutscene(-1, true),
[list: meteor(141, METEOR-DISAPPEAR-HEIGHT - 1, 0, 10, false),
meteor(25, METEOR-DISAPPEAR-HEIGHT + 1, 0, 10, false),
meteor(562, METEOR-DISAPPEAR-HEIGHT - 10, 0, 10, false)],
false,
400)
game3-expected = dinosaur-game(
32,
0,
0,
-5774,
silly-flipper(true, 3, 2, 12),
empty,
1169,
1500 + (2 * SCORE-PER-METEOR),
false,
cutscene(-1, true),
[list: meteor(25, METEOR-DISAPPEAR-HEIGHT + 1, 0, 10, false)],
false,
400)
purge-meteors(game1) is game1
purge-meteors(game2) is game2-expected
purge-meteors(game3) is game3-expected
end
#####################################################################################
# Update
fun update(before :: Dinosaur-Game) -> Dinosaur-Game:
doc: "Takes in game and return game with updated fields calculated for the next tiick"
# New-display-cts dtermins wheter it's the right time to diplay the cutscene.
new-display-cts = (before.display-cts and
(before.score >= TICKS-TO-CUTSCENE)
and (before.dino-height <= 0))
if is-caption-on(before):
# If caption is on, remain before and display the caption first.
dinosaur-game(
before.hori-speed,
before.dino-height,
before.dino-vertical-velocity,
before.ob-hr-distance,
before.flipper,
update-caption(before.cap),
before.ticks-past,
before.score,
before.game-lost,
before.cts,
before.meteor-list,
before.display-cts,
before.dino-hori-position)
else if (before.game-lost):
# If game lost, remain before.
before
else if (before.score >= POINTS-TO-WIN):
# If game won, raise caption.
dinosaur-game(
before.hori-speed,
before.dino-height,
before.dino-vertical-velocity,
before.ob-hr-distance,
before.flipper,
[list: caption("Congratulations, you saved the Jurrasaic Earth...\n",
CAPTION-SIZE, "brown", CAPTION-POSN, CAPTION-TICKS-LONG),
caption("Wait, what are the humans gonna do now...?",
CAPTION-SIZE, "brown", CAPTION-POSN, CAPTION-TICKS-LONG)],
before.ticks-past,
before.score,
true,
before.cts,
before.meteor-list,
before.display-cts,
before.dino-hori-position)
else if (new-display-cts):
# If it's time for cutscene, start cutscene
dinosaur-game(
before.hori-speed,
before.dino-height,
before.dino-vertical-velocity,
before.ob-hr-distance,
before.flipper,
[list: caption("Oh no! Now meteors are falling which...",
CAPTION-SIZE, "brown", CAPTION-POSN, CAPTION-TICKS-SHORT),
caption("...in a parallel universe...",
CAPTION-SIZE, "brown", CAPTION-POSN, CAPTION-TICKS-SHORT),
caption("...once made dinosaurs go extinct!",
CAPTION-SIZE, "brown", CAPTION-POSN, CAPTION-TICKS-LONG),
caption("But thankfully! Shriram is here to give u a powerful weapon!",
CAPTION-SIZE, "brown", CAPTION-POSN, CAPTION-TICKS-LONG)],
before.ticks-past,
before.score,
false,
cutscene(before.cts.timer, true),
before.meteor-list,
false,
before.dino-hori-position)
else if (before.cts.timer == 1):
# If it's the last tick of the cuscene, start to move the tri-cep
dinosaur-game(
before.hori-speed,
before.dino-height,
before.dino-vertical-velocity,
before.ob-hr-distance,
before.flipper,
before.cap,
before.ticks-past,
before.score,
before.game-lost,
cutscene(0, true),
before.meteor-list,
before.display-cts,
before.dino-hori-position + DINO-CENTER-SPEED)
else if (before.dino-hori-position > DINO-HORI-POS)
and (before.dino-hori-position < 400):
# Moving the tri-cep to center first
dinosaur-game(
before.hori-speed,
before.dino-height,
before.dino-vertical-velocity,
before.ob-hr-distance,
before.flipper,
before.cap,
before.ticks-past,
before.score,
before.game-lost,
before.cts,
before.meteor-list,
before.display-cts,
before.dino-hori-position + DINO-CENTER-SPEED)
else if (before.cts.timer == 0):
# If cutscene is over, raise the caption and prepare for stage 2
dinosaur-game(
before.hori-speed,
before.dino-height,
before.dino-vertical-velocity,
before.ob-hr-distance,
before.flipper,
[list:
caption("IT'S THE SILLY FLIPPER FROM LAB1!!!",
CAPTION-SIZE, "brown", CAPTION-POSN, CAPTION-TICKS-LONG),
caption("Use your cursor to flip the meteors and protect your home",
CAPTION-SIZE, "brown", CAPTION-POSN, CAPTION-TICKS-LONG),
caption("Ready?",
CAPTION-SIZE, "brown", CAPTION-POSN, CAPTION-TICKS-SHORT),
caption("GO!",
CAPTION-SIZE, "brown", CAPTION-POSN, CAPTION-TICKS-SHORT)],
before.ticks-past,
before.score,
false,
cutscene(-1, true),
before.meteor-list,
before.display-cts,
before.dino-hori-position)
else if (before.cts.played and (before.cts.timer > 0)):
# If in the middle of cutscene, freeze everything and update the cutscene.
dinosaur-game(
before.hori-speed,
before.dino-height,
before.dino-vertical-velocity,
before.ob-hr-distance,
before.flipper,
update-caption(before.cap),
before.ticks-past,
before.score,
before.game-lost,
cutscene(before.cts.timer - 1, true),
before.meteor-list,
before.display-cts,
before.dino-hori-position)
else:
# Update speed
new-speed = num-min(MAX-SPEED, before.hori-speed + 0.1)
# Update height with velocity
new-height = num-max(0, before.dino-height + before.dino-vertical-velocity)
# Update velocity with c100onstant gravity, reset to zero if hit ground
new-velocity = if (new-height == DINO-STARTING-HEIGHT):
0
else:
before.dino-vertical-velocity + GRAVITY
end
# Update the horizontal distance of next obstacle; if 0 spawn new obstacle (T-Rex)
max-spawn-tick = (TICKS-TO-CUTSCENE -
((CANVAS-WIDTH + (RAND-OB-SPACING-BASE * MAX-RAND-OB-SPACING)) / before.hori-speed))
new-ob-hr-distance = if (before.ob-hr-distance <= 0) and (before.display-cts) and
(before.ticks-past <= max-spawn-tick):
CANVAS-WIDTH + (RAND-OB-SPACING-BASE * num-random(MAX-RAND-OB-SPACING))
else:
before.ob-hr-distance - new-speed
end
# Check lose conditions
new-game-lost = is-colliding(before) or
any(lam(met): (met.y + METEOR-RADIUS) > (GROUND-HEIGHT - (GROUND-THICKNESS / 2)) end,
before.meteor-list)
# Update caption
new-cap = if (new-game-lost):
[list: caption("You Lose", CAPTION-SIZE, "red", CAPTION-POSN, CAPTION-TICKS-LONG)]
else:
before.cap
end
# Update distance traveled
new-ticks-past = before.ticks-past + 1
# Update cutscene status
new-cutscene = before.cts
# Update flipper
new-wave = if (before.flipper.wave > 0):
before.flipper.wave - WAVE-EXPAND-RATE
else: before.flipper.wave
end
new-flipper = silly-flipper(new-cutscene.played and (new-cutscene.timer <= 0),
before.flipper.x,
before.flipper.y,
new-wave)
# Add meteor to meteor-list if new-flipper.enabled is true
added-meteor-list = if (new-flipper.enabled and
(num-modulo(new-ticks-past, METEOR-DELAY) == 0) and
(before.ob-hr-distance <= 0) and
(before.score <= (POINTS-TO-WIN - SCORE-PER-METEOR))):
link(meteor(METEOR-MIN-X + num-random(METEOR-X-RANGE),
(-1 * METEOR-RADIUS), 0, METEOR-DY, false),
before.meteor-list)
else:
before.meteor-list
end
# Update position of meteors
new-meteor-list = added-meteor-list.map(lam(met): if (met.flipped):
meteor(met.x, met.y - met.dy, met.dx, met.dy, met.flipped)
else: meteor(met.x, met.y + met.dy, met.dx, met.dy, met.flipped)
end end)
# Add 1 to score
new-score = if (before.display-cts): before.score + 1
else: before.score end
# Purge meteor list and add scores after updating everything
purge-meteors(
dinosaur-game(
new-speed,
new-height,
new-velocity,
new-ob-hr-distance,
new-flipper,
new-cap,
new-ticks-past,
new-score,
new-game-lost,
new-cutscene,
new-meteor-list,
before.display-cts,
before.dino-hori-position))
end
where:
# Caption on
update(
dinosaur-game(
20,
0,
0,
800,
silly-flipper(false, 10, 10, 10),
[list:
caption("YOU unfortunately become a Triceratops in Jurrassic times.",
22, "black", posn(400, 200), 80),
caption("Escape the T-Rex and protect your home with the help from Shriram",
22, "black", posn(400, 200), 100),
caption("First, Try using up or space to avoid the T-Rex", 22, "black",
posn(400, 200), 80)],
0,
0,
false,
cutscene(100, false),
empty,
false,
100)) is
dinosaur-game(
20,
0,
0,
800,
silly-flipper(false, 10, 10, 10),
[list:
caption("YOU unfortunately become a Triceratops in Jurrassic times.",
22, "black", posn(400, 200), 79),
caption("Escape the T-Rex and protect your home with the help from Shriram",
22, "black", posn(400, 200), 100),
caption("First, Try using up or space to avoid the T-Rex", 22, "black",
posn(400, 200), 80)],
0,
0,
false,
cutscene(100, false),
empty,
false,
100)
# Capion On: caption one less
update(
dinosaur-game(
20,
0,
0,
800,
silly-flipper(false, 10, 10, 10),
[list:
caption("YOU unfortunately become a Triceratops in Jurrassic times.",
22, "black", posn(400, 200), 0),
caption("Escape the T-Rex and protect your home with the help from Shriram",
22, "black", posn(400, 200), 100),
caption("First, Try using up or space to avoid the T-Rex", 22, "black",
posn(400, 200), 80)],
0,
0,
false,
cutscene(100, false),
empty,
false,
100)) is
dinosaur-game(
20,
0,
0,
800,
silly-flipper(false, 10, 10, 10),
[list:
caption("Escape the T-Rex and protect your home with the help from Shriram",
22, "black", posn(400, 200), 100),
caption("First, Try using up or space to avoid the T-Rex", 22, "black",
posn(400, 200), 80)],
0,
0,
false,
cutscene(100, false),
empty,
false,
100)
# Game lost
update(
dinosaur-game(
20,
0,
0,
800,
silly-flipper(false, 10, 10, 10),
empty,
0,
0,
true,
cutscene(100, false),
empty,
false,
100)) is
dinosaur-game(
20,
0,
0,
800,
silly-flipper(false, 10, 10, 10),
empty,
0,
0,
true,
cutscene(100, false),
empty,
false,
100)
# Game Won
update(
dinosaur-game(
20,
0,
0,
800,
silly-flipper(false, 10, 10, 10),
empty,
0,
POINTS-TO-WIN,
false,
cutscene(100, false),
empty,
false,
100)) is
dinosaur-game(
20,
0,
0,
800,
silly-flipper(false, 10, 10, 10),
[list: caption("Congratulations, you saved the Jurrasaic Earth...\n",
CAPTION-SIZE, "brown", CAPTION-POSN, CAPTION-TICKS-LONG),
caption("Wait, what are the humans gonna do now...?",
CAPTION-SIZE, "brown", CAPTION-POSN, CAPTION-TICKS-LONG)],
0,
POINTS-TO-WIN,
true,
cutscene(100, false),
empty,
false,
100)
# Cutscene starts
update(
dinosaur-game(
20,
0,
0,
800,
silly-flipper(false, 10, 10, 10),
empty,
0,
TICKS-TO-CUTSCENE + 10,
false,
cutscene(100, false),
empty,
true,
100)) is
dinosaur-game(
20,
0,
0,
800,
silly-flipper(false, 10, 10, 10),
[list: caption("Oh no! Now meteors are falling which...",
CAPTION-SIZE, "brown", CAPTION-POSN, CAPTION-TICKS-SHORT),
caption("...in a parallel universe...",
CAPTION-SIZE, "brown", CAPTION-POSN, CAPTION-TICKS-SHORT),
caption("...once made dinosaurs go extinct!",
CAPTION-SIZE, "brown", CAPTION-POSN, CAPTION-TICKS-LONG),
caption("But thankfully! Shriram is here to give u a powerful weapon!",
CAPTION-SIZE, "brown", CAPTION-POSN, CAPTION-TICKS-LONG)],
0,
TICKS-TO-CUTSCENE + 10,
false,
cutscene(100, true),
empty,
false,
100)
# TRI-CEP moves
update(
dinosaur-game(
20,
0,
0,
800,
silly-flipper(false, 10, 10, 10),
empty,
0,
TICKS-TO-CUTSCENE + 10,
false,
cutscene(1, true),
empty,
false,
100)) is
dinosaur-game(
20,
0,
0,
800,
silly-flipper(false, 10, 10, 10),
empty,
0,
TICKS-TO-CUTSCENE + 10,
false,
cutscene(0, true),
empty,
false,
105)
# TRI-CEP moving
update(dinosaur-game(
20,
0,
0,
800,
silly-flipper(false, 10, 10, 10),
empty,
0,
TICKS-TO-CUTSCENE + 10,
false,
cutscene(0, true),
empty,
false,
105)) is
dinosaur-game(
20,
0,
0,
800,
silly-flipper(false, 10, 10, 10),
empty,
0,
TICKS-TO-CUTSCENE + 10,
false,
cutscene(0, true),
empty,
false,
110)
# cutscene ends
update(dinosaur-game(
20,
0,
0,
800,
silly-flipper(false, 10, 10, 10),
empty,
0,
TICKS-TO-CUTSCENE + 10,
false,
cutscene(0, true),
empty,
false,
400)) is
dinosaur-game(
20,
0,
0,
800,
silly-flipper(false, 10, 10, 10),
[list:
caption("IT'S THE SILLY FLIPPER FROM LAB1!!!",
CAPTION-SIZE, "brown", CAPTION-POSN, CAPTION-TICKS-LONG),
caption("Use your cursor to flip the meteors and protect your home",
CAPTION-SIZE, "brown", CAPTION-POSN, CAPTION-TICKS-LONG),
caption("Ready?",
CAPTION-SIZE, "brown", CAPTION-POSN, CAPTION-TICKS-SHORT),
caption("GO!",
CAPTION-SIZE, "brown", CAPTION-POSN, CAPTION-TICKS-SHORT)],
0,
TICKS-TO-CUTSCENE + 10,
false,
cutscene(-1, true),
empty,
false,
400)
# Cutscene going on
update(dinosaur-game(
20,
0,
0,
800,
silly-flipper(false, 10, 10, 10),
empty,
0,
TICKS-TO-CUTSCENE + 10,
false,
cutscene(10, true),
empty,
false,
100)) is
dinosaur-game(
20,
0,
0,
800,
silly-flipper(false, 10, 10, 10),
empty,
0,
TICKS-TO-CUTSCENE + 10,
false,
cutscene(9, true),
empty,
false,
100)
# Check lose condition & update caption
update(
dinosaur-game(
16,
0,
0,
182,
silly-flipper(false, 0, 0, 0),
empty,
104,
104,
false,
cutscene(200, false),
[list: ], true, 100)) is
dinosaur-game(
16.1,
0,
0,
165.9,
silly-flipper(false, 0, 0, 0),
[list: caption("You Lose", 25, "red", posn(400, 200), 100)],
105,
105,
true,
cutscene(200, false),
[list: ],
true,
100)
# Update speed, height, velocity
is-spawning(update(dinosaur-game(
20,
10,
10,
800,
silly-flipper(false, 10, 10, 10),
empty,
0,
TICKS-TO-CUTSCENE + 10,
false,
cutscene(-1, true),
empty,
false,
100))) is false
is-spawning(update(dinosaur-game(
20,
0,
100,
800,
silly-flipper(false, 10, 10, 10),
empty,
0,
TICKS-TO-CUTSCENE + 10,
false,
cutscene(-1, true),
empty,
false,
100))) is false
# Property-based test on spawn
is-spawning(update(dinosaur-game(
20,
10,
10,
0,
silly-flipper(false, 10, 10, 10),
empty,
0,
TICKS-TO-CUTSCENE + 10,
false,
cutscene(-1, true),
empty,
true,
100))) is true
is-spawning(update(dinosaur-game(
20,
10,
10,
-100,
silly-flipper(false, 10, 10, 10),
empty,
0,
TICKS-TO-CUTSCENE + 10,
false,
cutscene(-1, true),
empty,
true,
100))) is true
# Flipper wave update
update(dinosaur-game(
20,
0,
0,
-100,
silly-flipper(true, 10, 10, 10),
empty,
1001,
1001,
false,
cutscene(-1, true),
[list: ],
false,
400)).flipper.wave is 10 - WAVE-EXPAND-RATE
# Meteor is created when conditions are met
update(dinosaur-game(
25,
0,
0,