fpv/source/scripts/groundSprite.lua

Ground = {}
class("Ground").extends(Graphics.sprite)

local groundImage = Graphics.image.new("assets/sprites/groundFin")

function Ground:init(x, y, player)
    Ground.super.init(self, groundImage)
    
    -- Collision properties
    self:setZIndex(100)
    self:setTag(3)
    self:setCollideRect(0, 28, 800, 10)

    -- Main properties
    Ground.moveSpeed = 2
    Ground.player = player

    -- Move to initial position
    self:moveTo(x, y)
end

function Ground:setMoveSpeed(speed)
    Ground.moveSpeed = speed
end

function Ground:update()

    -- Stop ground
    if Ground.moveSpeed == 0 then
        return
    end

    -- Speedup when player is moving right
    if Ground.player.isMovingRight() == false then
        Ground.moveSpeed = 0.2
    else
        Ground.moveSpeed = 1
    end

    -- Reset position
    if self.x <= 0 then
        self:moveWithCollisions(400, self.y)
    end

    -- Move ground
    self:moveWithCollisions(self.x-Ground.moveSpeed, self.y)
end