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104 lines
2.1 KiB
104 lines
2.1 KiB
#!/usr/bin/ruby -w
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require "gosu"
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load "physobj.rb"
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class Window < Gosu::Window
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attr_accessor :freeze, :caption, :physobjs, :planets, :controller
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attr_reader :width, :height, :fonts
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def initialize(title, width, height, physobjs = [], planets = [])
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super width, height
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@width, @height = width, height
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self.caption = "#{title}| #{width}x#{height}"
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@physobjs = physobjs
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@planets = planets
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@font = Gosu::Font.new(self, Gosu::default_font_name, 14)
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@font2 = Gosu::Font.new(self, Gosu::default_font_name, 20)
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@fonts = {
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normal: @font,
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big: @font2
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}
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@freeze = false
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@controller = nil
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end
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def button_up(id)
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super id
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if( @controller != nil ) then
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@controller.button_up(id)
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end
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if( id == Gosu::KbEscape ) then
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@freeze = !@freeze
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end
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end
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def button_down(id)
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super id
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if( @controller != nil ) then
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@controller.button_down(id)
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end
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end
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def update
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if( !@freeze ) then
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@physobjs.each do |obj|
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obj.physics
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end
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@planets.each do |planet|
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planet.orbit(@physobjs)
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end
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end
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end
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private def generate_debug_string(obj)
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return "\n#{obj.name}\nVel: #{obj.vel.round(4)} (#{obj.vel.magnitude.round(1)})\nAccel: #{obj.accel.round(4)} (#{obj.accel.magnitude.round(4)})\nPos: #{obj.pos.round(4)}\n"
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end
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def draw
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@font2.draw("Frozen: #{@freeze}", 0, 0, 1, 1.0, 1.0, Gosu::Color::WHITE)
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@physobjs.each do |obj|
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obj.render
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obj.draw_vector(obj.vel, 10)
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obj.draw_vector(obj.accel, 500, 0xff_aaffaa)
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obj.render_path
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obj.draw_direction
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end
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@planets.each do |planet|
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planet.render
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end
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end
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end
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window = Window.new("Physics!", 1600, 900)
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planet = Planet.new("Sol", window, 0xff_ffffaa, 1e2, 20, 120)
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planet.pos = Vector[800, 450]
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planet.show_info = true
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cube = Player.new("Alpha", window, 8, 8)
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cube.show_info = true
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cube.pos = Vector[800, 450 + 200]
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cube.vel = Vector[2.5, 0]
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window.controller = cube
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cube2 = PhysCube.new("Beta", window, 8, 8)
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cube2.pos = Vector[800, 450 + 300]
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cube2.vel = Vector[-2.5, 0]
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planet.orbit([cube, cube2])
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window.planets << planet
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window.physobjs << cube
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window.physobjs << cube2
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window.show
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