An example that we made for a talk at Nordic Game Indie Night: http://www.youtube.com/watch?v=Fy0aCDmgnxg
You can try the game here: http://grapefrukt.com/f/games/juicy-breakout/
A juicy game feels alive and responds to everything you do tons of cascading action and response for minimal user input.
References: http://www.robertpenner.com/easing/ http://www.game-feel.com/ http://www.gamasutra.com/view/feature/2438/how_to_prototype_a_game_in_under_7...
Emily Short - Make it juicy! http://emshort.wordpress.com/2008/05/24/make-it-juicy/
Casey Muratori - Interpolation http://mollyrocket.com/casey/stream_0018.html
12 Principles of Animation http://minyos.its.rmit.edu.au/aim/a_notes/anim_principles.html
The Art of Diablo 3 http://gdcvault.com/play/1015306/The-Art-of-Diablo
Easing related: https://www.evernote.com/shard/s1/note/c1b7f010-4564-46d9-a8c2-083d8e014b93/c... http://blogs.msdn.com/b/shawnhar/archive/2007/05/03/transitions-part-one-the-... http://www.timotheegroleau.com/Flash/experiments/easing_function_generator.htm
Copyright (c) 2012 Martin Jonasson, Petri Purho
This software is provided 'as-is', without any express or implied warranty. In no event will the authors be held liable for any damages arising from the use of this software. Permission is granted to anyone to use this software for any purpose, including commercial applications, and to alter it and redistribute it freely, subject to the following restrictions: 1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required.
- Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
- This notice may not be removed or altered from any source distribution.