181 lines
3.6 KiB
Lua
181 lines
3.6 KiB
Lua
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local SCROLL_SPEED = 100
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local RESISTENCE = 1
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local SPEED = 100
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local FONT = love.graphics.newFont("cour.ttf", 30)
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love.graphics.setFont(FONT)
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local COLOR_PLANET = {100/255,200/255,100/255}
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local COLOR_STARS = {1,1,1}
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local stars = {}
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function generate_stars (nr, mindist)
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local mindist = mindist * mindist
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while nr>0 do
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local x, y = 50+math.random(700), 50+math.random(500)
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for _, o_spot in ipairs(stars) do
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if math.pow(o_spot[1]-x, 2) + math.pow(o_spot[1]-y, 2) < mindist then
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x = 0
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end
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end
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if x ~= 0 then
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table.insert(stars, {x, y})
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nr = nr - 1
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end
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end
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end
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local function shaders ()
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hint = {
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text = "Dude, there's nothing more, please leave :/",
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time = 100,
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align = "left"
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}
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end
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local function wait_on_shaders_2 ()
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hint = {
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text = "",
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time = 60,
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align = "right",
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func = exit
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}
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end
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local function shaders ()
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hint = {
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text = "Fucking shaders, right?\nTook me way too long a time to create this bad effect :/",
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time = 10,
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align = "left",
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func = wait_on_shaders_2
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}
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end
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local function wait_on_shaders ()
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hint = {
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text = "",
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time = 5,
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align = "right",
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func = shaders
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}
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local shader = love.graphics.newShader("stars.glsl")
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love.graphics.setShader(shader)
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shader:send("stars", unpack(stars))
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end
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local function love_the_final_frontier()
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hint = {
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text = "LÖVE, the final frontier...",
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time = 0.2,
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align = "right",
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func = wait_on_shaders
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}
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end
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hint = {
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text = "SPACE, the final frontier...",
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time = 5,
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func = love_the_final_frontier,
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align = "right"
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}
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local player = {
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x = 400,
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y = 300,
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dx = 0,
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dy = 0
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}
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function draw_player (x,y)
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love.graphics.setColor(COLOR_STARS)
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local py = player.rocket and y + math.min(0, player.rocket) or y
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local PLAYER_POLY = {
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x-30, py+20,
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x+20, py+20,
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x+30, py,
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x+10, py,
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x+10, py-20,
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x, py-20,
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x, py,
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x-30, py,
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}
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local ROCKET_POLY = {
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x, y+20-30,
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x-10, y+20-10,
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x-20, y+20+40,
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x-5, y+20+20,
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x-2, y+20+30,
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x+2, y+20+37,
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x+5, y+20+20,
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x+20, y+20+40,
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x+10, y+20-10,
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}
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love.graphics.polygon('fill', PLAYER_POLY)
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love.graphics.polygon('fill', ROCKET_POLY)
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end
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function update_player (dt)
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local ddy = love.keyboard.isDown("w") and -1 or love.keyboard.isDown("s") and 1 or 0
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local ddx = love.keyboard.isDown("a") and -1 or love.keyboard.isDown("d") and 1 or 0
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if ddx ~= 0 and ddy ~= 0 then
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ddx, ddy = ddx*math.sqrt(2), ddy*math.sqrt(2)
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end
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player.dx, player.dy = player.dx*RESISTENCE + SPEED*ddx*dt, player.dy*RESISTENCE + SPEED*ddy*dt
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player.x, player.y = (player.x + player.dx * dt+800) % 800, (player.y + player.dy * dt+600) % 600
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end
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function draw_planet (x, y, size, color)
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love.graphics.setColor(color)
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love.graphics.circle("fill", x, y, size)
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end
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local scroll = 0
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function love.update (dt)
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scroll = scroll + dt * SCROLL_SPEED
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update_player(dt)
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hint.time = hint.time - dt
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if hint.time <= 0 and hint.func then
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hint.func()
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end
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end
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function draw_stars ()
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love.graphics.setColor(COLOR_STARS)
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for _, star in ipairs(stars) do
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love.graphics.circle("fill", star[1], star[2], 2)
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end
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end
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local CANVAS = love.graphics.newCanvas()
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local function draw_canvas()
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love.graphics.setCanvas(CANVAS)
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love.graphics.clear()
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draw_stars()
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draw_planet(400, scroll+500, 200, COLOR_PLANET)
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draw_player(player.x, player.y)
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if hint.time > 0 then
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love.graphics.printf(hint.text, 100, 100, 600, hint.align or "center")
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end
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love.graphics.setCanvas()
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end
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function love.draw ()
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draw_canvas()
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love.graphics.setColor(COLOR_STARS)
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love.graphics.draw(CANVAS)
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end
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math.randomseed(os.time())
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generate_stars(30, 100)
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love.graphics.setBackgroundColor(26/255,26/255,26/255)
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