sojastar

module KeyMap
 def self.set(mapping)
   mapping.each_pair do |command,key|
    GTK::KeyboardKeys.send :alias_method, command, key
   end
 end

 def self.unset(mapping)
   mapping.each_pair do |command,key|
    GTK::KeyboardKeys.send :undef_method, command

sojastar

CC=gcc
CFLAGS=-std=c99 -lm
MRUBY_INCLUDE=../../mruby-3.1.0/include
MRUBY_LIB=../../mruby-3.1.0/build/host/lib/libmruby.a
SOURCE=c_from_ruby

all:
  $(CC) $(CFLAGS) -I$(MRUBY_INCLUDE) $(SOURCE).c -o $(SOURCE) $(MRUBY_LIB)

clean:

sojastar

1. Install SDL2 with homebrew:

$> brew install sdl2

and optionally:

$> brew install sdl2_image
$> brew install sdl2_mixer
$> brew install sdl2_gfx
$> brew install sdl2_ttf

sojastar

module Collisions
  def self.aabb_rect_vs_rect(rect1,rect2)
               rect1[0] < rect2[0] + rect2[2] &&
    rect1[0] + rect1[2] > rect2[0]            &&
               rect1[1] < rect2[1] + rect2[3] &&
    rect1[1] + rect1[3] > rect2[1]
  end

  def self.resolve_collisions_with_rects(position,size,velocity,rects)
    # First round of collision testing that will teel us ...