mirror of
https://github.com/SleepingInsomniac/pixelfaucet
synced 2024-12-27 21:58:46 +01:00
49 lines
1.2 KiB
Crystal
49 lines
1.2 KiB
Crystal
require "../src/game"
|
|
require "../src/controller"
|
|
require "../src/noise"
|
|
|
|
module PF
|
|
class Noise1d < Game
|
|
@noise : Noise = Noise.new
|
|
@noise_scale : Float64
|
|
@noise_zoom : Float64
|
|
|
|
def initialize(*args, **kwargs)
|
|
super
|
|
|
|
@noise_scale = height / 4
|
|
@noise_zoom = width / 4
|
|
@xpos = 0.0
|
|
|
|
@controller = PF::Controller(Keys).new({
|
|
Keys::UP => "scale up",
|
|
Keys::DOWN => "scale down",
|
|
Keys::RIGHT => "zoom up",
|
|
Keys::LEFT => "zoom down",
|
|
})
|
|
plug_in @controller
|
|
end
|
|
|
|
def update(dt)
|
|
@noise_scale += (@noise_scale * 0.8) * dt if @controller.held?("scale up")
|
|
@noise_scale -= (@noise_scale * 0.8) * dt if @controller.held?("scale down")
|
|
@noise_zoom += (@noise_zoom * 0.8) * dt if @controller.held?("zoom up")
|
|
@noise_zoom -= (@noise_zoom * 0.8) * dt if @controller.held?("zoom down")
|
|
@xpos += 20.0 * dt
|
|
end
|
|
|
|
def draw
|
|
clear(50, 127, 200)
|
|
step = width // 15
|
|
mid = height // 2
|
|
|
|
0.upto(width) do |x|
|
|
y = mid + (@noise.get((x + @xpos) / @noise_zoom) * @noise_scale).to_i
|
|
draw_point(x, y, Pixel::Yellow)
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
game = PF::Noise1d.new(300, 200, 2)
|
|
game.run!
|