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# coding: utf-8
################################
# So I was working on a snake game while
# learning DragonRuby, and at some point I had a thought
# what if I use "😀" as a function name, surely it wont work right...?
# RIGHT....?
# BUT IT DID, IT WORKED
# it all went downhill from then
# Created by Anton K. (ai Doge)
# https://gist.github.com/scorp200
#############LICENSE############
# Feel free to use this anywhere and however you want
# You can sell this to EA for $1,000,000 if you want, it's completely free.
# Just remember you are helping this... thing... to spread...
# ALSO! I am not liable for any mental, physical or financial damage caused.
#############LICENSE############
class Array
#Helper function
def move! vector
self.x += vector.x
self.y += vector.y
return self
end
#Helper function to draw snake body
def draw! 🎮, 📺, color
translate 📺.solids, 🎮.⛓, [self.x * 🎮.⚖️ + 🎮.🛶 / 2, self.y * 🎮.⚖️ + 🎮.🛶 / 2, 🎮.⚖️ - 🎮.🛶, 🎮.⚖️ - 🎮.🛶, color]
end
#This is where it all started, I was trying to find good way to multiply a map by a number, * is already used so is **
#I kept trying different combinations of symbols, when suddenly...
def 😀 value
self.map {|d| d * value}
end
end
#Draw stuff with an offset
def translate output_collection, ⛓, what
what.x += ⛓.x
what.y += ⛓.y
output_collection << what
end
BLUE = [33, 150, 243]
RED = [244, 67, 54]
GOLD = [255, 193, 7]
LAST = 0
def tick args
defaults args.state
render args.state, args.outputs
input args.state, args.inputs
update args.state
end
def update 🎮
#Update every 10 frames
if 🎮.tick_count.mod_zero? 10
#Add new snake body piece at head's location
🎮.🐍 << [*🎮.🤖]
#Assign Next Direction to Direction
🎮.🚗 = *🎮.🚦
#Trim the snake a bit if its longer than current size
if 🎮.🐍.length > 🎮.🛒
🎮.🐍 = 🎮.🐍[-🎮.🛒..-1]
end
#Move the head in the Direction
🎮.🤖.move! 🎮.🚗
#If Head is outside the playing field, or inside snake's body restart game
if 🎮.🤖.x < 0 || 🎮.🤖.x >= 🎮.🗺.x || 🎮.🤖.y < 0 || 🎮.🤖.y >= 🎮.🗺.y || 🎮.🚗 != [0, 0] && 🎮.🐍.any? {|s| s == 🎮.🤖}
LAST = 🎮.💰
🎮.as_hash.clear
return
end
#If head lands on food add size and score
if 🎮.🤖 == 🎮.🍎
🎮.🛒 += 1
🎮.💰 += (🎮.🛒 * 0.8).floor.to_i + 5
spawn_🍎 🎮
puts 🎮.🍎
end
end
#Every second remove 1 point
if 🎮.💰 > 0 && 🎮.tick_count.mod_zero?(60)
🎮.💰 -= 1
end
end
def spawn_🍎 🎮
#Food
🎮.🍎 ||= [*🎮.🤖]
#Randomly spawns food inside the playing field, keep doing this if the food keeps landing on the snake's body
while 🎮.🐍.any? {|s| s == 🎮.🍎} || 🎮.🍎 == 🎮.🤖 do
🎮.🍎 = [rand(🎮.🗺.x), rand(🎮.🗺.y)]
end
end
def render 🎮, 📺
#Paint the background black
📺.solids << [0, 0, 1280, 720, 0, 0, 0, 255]
#Draw a border for the playing field
translate 📺.borders, 🎮.⛓, [0, 0, 🎮.🗺.x * 🎮.⚖️, 🎮.🗺.y * 🎮.⚖️, 255, 255, 255]
#Draw the snake's body
🎮.🐍.map do |🐍| 🐍.draw! 🎮, 📺, BLUE end
#Draw the head
🎮.🤖.draw! 🎮, 📺, BLUE
#Draw the food
🎮.🍎.draw! 🎮, 📺, RED
#Draw current score
translate 📺.labels, 🎮.⛓, [5, 715, "Score: #{🎮.💰}", GOLD]
#Draw your last score, if any
translate 📺.labels, 🎮.⛓, [[*🎮.🤖.😀(🎮.⚖️)].move!([0, 🎮.⚖️ * 2]), "Your Last score is #{LAST}", 0, 1, GOLD] unless LAST == 0 || 🎮.🚗 != [0, 0]
#Draw starting message, only if Direction is 0
translate 📺.labels, 🎮.⛓, [🎮.🤖.😀(🎮.⚖️), "Press any Arrow key to start", 0, 1, GOLD] unless 🎮.🚗 != [0, 0]
end
def input 🎮, 🕹
#Left and Right keyboard input, only change if X direction is 0
if 🕹.keyboard.key_held.left && 🎮.🚗.x == 0
🎮.🚦 = [-1, 0]
elsif 🕹.keyboard.key_held.right && 🎮.🚗.x == 0
🎮.🚦 = [1, 0]
end
#Up and Down keyboard input, only change if Y direction is 0
if 🕹.keyboard.key_held.up && 🎮.🚗.y == 0
🎮.🚦 = [0, 1]
elsif 🕹.keyboard.key_held.down && 🎮.🚗.y == 0
🎮.🚦 = [0, -1]
end
end
def defaults 🎮
#Playing field size
🎮.🗺 ||= [20, 20]
#Scale for drawing, screen height / Field height
🎮.⚖️ ||= 720 / 🎮.🗺.y
#Offset, offset all rendering to the center of the screen
🎮.⛓ ||= [(1280 - 720).fdiv(2), 0]
#Padding, make the snake body slightly smaller than the scale
🎮.🛶 ||= (🎮.⚖️ * 0.2).to_i
#Snake Size
🎮.🛒 ||= 3
#Snake head, the only part we are actually controlling
🎮.🤖 ||= [🎮.🗺.x / 2, 🎮.🗺.y / 2]
#Snake body map, follows the head
🎮.🐍 ||= []
#Direction the head moves to
🎮.🚗 ||= [0, 0]
#Next_Direction, during input check only change this variable and then when game updates assign this to Direction
🎮.🚦 ||= [*🎮.🚗]
#Your score
🎮.💰 ||= 0
#Spawns Food randomly
spawn_🍎(🎮) unless 🎮.🍎?
end
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