How about learning functional programming? Haskell would be one of the popular FP languages right now and for the learning experience its exceptionally good, due to its focus on being a pure language. I strongly suggest you expand your horizon by learning other ways to structure projects. Especially systems that are inherently nonheirachical. OOP is a method to structure projects, but its not a very good tool to understand some preexisting system. ![]() Stop doing that! Computers don't work like that. ![]() My brain tends to favor structuring concepts in hierarchical, object-oriented, component-like ways. Textures for example, however these objects are closely tied to the OpenGL context itself and can not be looked at independently. There are a few things within a OpenGL context, that behave like individual objects with their own state. Or rather, you can try, but truth to be told, the only truthfull representation would be that of a single OpenGL context class holding all the state. What inputs affect the different states the machine can be in?Įxplicit calls of state changing functions of the OpenGL API that and the default initial state.Ĭan hierarchical, OOP concepts be applied to this state machine? So it's a futile endeavour trying to list each and every possible state. Some versions of OpenGL have over 300 state variables and many of them are not just boolean. Say you've got 20 toggle switches, one dial with 5 positions and one dial with 7 positions, then you've got 2^20 * 5 * 7 = 36700160 possible different states. For every switch the number of states multiplies by the number of positions that switch can be in. What are the different states it can exist in? The switchboard is what you control through the API, the processing plant is what makes the pictures. There are also state machines, where the switches and dials are changed when stuff passes through a certain processing step OpenGL is not of that kind.Ī OpenGL context is such a switchboard with a processing plant behind it. Change the state of some of these switches and things will go another way. This switchboard is connected to machines in a processing plant and depending on how the switches are toggled, stuff that enteres processing plant on one side will travel through the plant in a certain path. Does include links to apps by Dan Russell-Pinson in the iTunes App Store (via LinkShare).Imagine a switchboard with a couple dozen of switches dials. Does not use 3rd party analytics / data collection tools. Does not contain integration with social networks. Try it now and enjoy five games for the price of one! Stack the States® is an educational app for all ages that's actually FUN to play. PUZZLER: Sit back and relax as you slide the states around and put them together like a jigsaw puzzle.ĬAPITAL DROP: Match states with their capitals in this fast-paced bonus game. PILE UP: The states are piling up! Tap them quickly to get rid of them before they pile too high. MAP IT: Tap the location of the selected state on the map. STACK THE STATES: Build tall piles with states and try to reach the checkered line. ▸ Works on both iPhone and iPad - a universal app ▸ iPhone 4 and new iPad Retina Display support ▸ All games are powered by a realistic physics engine ▸ High resolution pictures of famous US landmarks ▸ Earn FREE bonus games: Map It, Pile Up, Puzzler and Capital Drop ▸ Collect all 50 states and track your progress on a personalized map ▸ Choose any of the 50 friendly-looking states as your avatar ▸ Interactive map and 50 state flash cards HAVE FUN LEARNING ALL ABOUT THE 50 STATES: Try to collect all 50! As you earn more states, you begin to unlock the four free bonus games: Map It, Pile Up, Puzzler and Capital Drop. All of your states appear on your own personalized map of the United States. You earn a random state for every successfully completed level. Carefully build a stack of states that reaches the checkered line to win each level. Stack the States® makes learning about the 50 states fun! Watch the states actually come to life in this colorful and dynamic game!Īs you learn state capitals, shapes, geographic locations, flags and more, you can actually touch, move and drop the animated states anywhere on the screen.
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