138 lines
3.7 KiB
Lua
138 lines
3.7 KiB
Lua
local GameMode = require 'tetris.modes.gamemode'
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local Grid = require 'tetris.components.grid'
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local Snake = GameMode:extend()
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Snake.name = "Snake"
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Snake.hash = "Snake"
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Snake.tagline = "...It's literally just snake."
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local moves = {
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["right"] = {x=1, y=0},
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["left"] = {x=-1, y=0},
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["up"] = {x=0, y=-1},
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["down"] = {x=0, y=1},
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}
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function Snake:new()
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self.super:new()
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self.grid = Grid(25, 24)
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self.next_queue_length = 0
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self.ready_frames = 1
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self.ticks = 60
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self.direction = "right"
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self.last_move = "right"
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self.snake = {
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{x=11, y=15},
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{x=12, y=15},
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{x=13, y=15},
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{x=14, y=15},
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}
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self.gem = {x=1, y=5}
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self:generateGem()
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self:updateGrid()
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end
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function Snake:isInSnake(p)
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for _, point in pairs(self.snake) do
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if point.x == p.x and point.y == p.y then
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return true
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end
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end
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return false
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end
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function Snake:updateGrid()
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local snake = { skin = "2tie", colour = "G" }
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local gem = { skin = "gem", colour = "R" }
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self.grid:clear()
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self.grid.grid[self.gem.y][self.gem.x] = gem
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for y = 5, 24 do
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for x = 1, 25 do
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if self:isInSnake({x=x, y=y}) then
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self.grid.grid[y][x] = snake
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end
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self.grid.grid_age[y][x] = 3
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end
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end
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end
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function Snake:generateGem()
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repeat
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self.gem.x = love.math.random(1, 25)
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self.gem.y = love.math.random(5, 24)
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until not self:isInSnake({x=self.gem.x, y=self.gem.y})
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end
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function Snake:advanceOneFrame(inputs, ruleset)
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if self.game_over or self.completed then return true end
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if self.last_move ~= "left" and not self.prev_inputs.right and inputs.right then
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self.direction = "right"
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elseif self.last_move ~= "right" and not self.prev_inputs.left and inputs.left then
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self.direction = "left"
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elseif self.last_move ~= "down" and not self.prev_inputs.up and inputs.up then
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self.direction = "up"
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elseif self.last_move ~= "up" and not self.prev_inputs.down and inputs.down then
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self.direction = "down"
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end
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self.ticks = self.ticks - 1
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if self.ticks <= 0 then
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local move = moves[self.direction]
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local new_x = self.snake[#self.snake].x + move.x
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local new_y = self.snake[#self.snake].y + move.y
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if (
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new_x < 1 or new_x > 25 or new_y < 5 or new_y > 24 or
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self:isInSnake({x=new_x, y=new_y})
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) then
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self.game_over = true
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else
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table.insert(self.snake, {
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x = new_x,
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y = new_y,
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})
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if new_x == self.gem.x and new_y == self.gem.y then
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if #self.snake >= 500 then
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self.completed = true
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self:updateGrid()
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return false
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else
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self:generateGem()
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end
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else
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table.remove(self.snake, 1)
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end
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self:updateGrid()
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self.last_move = self.direction
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self.ticks = 10
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end
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end
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self.prev_inputs = inputs
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return false
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end
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local function noOutline(game, block, x, y, age)
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local x = 0.75
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return x, x, x, 1, 0
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end
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function Snake:drawGrid()
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self.grid:drawCustom(noOutline, self)
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end
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function Snake:drawScoringInfo()
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love.graphics.setColor(1, 1, 1, 1)
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love.graphics.setFont(font_3x5_2)
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love.graphics.print("SNAKE LENGTH", 480, 130)
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love.graphics.print("GEM LOCATION", 480, 210)
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love.graphics.setFont(font_3x5_3)
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love.graphics.print(#self.snake, 480, 150)
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love.graphics.print(self.gem.x .. ", " .. self.gem.y - 4, 480, 230)
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end
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function Snake:getHighscoreData()
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return {
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snake_length = #self.snake,
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}
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end
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return Snake |