Programmin games - A 10 minute crash course
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This document provides an overview of programming games in 3 sentences or less: The document discusses the basic components of programming games, including reading user input, updating the game world, drawing the game world in a loop, drawing pixels to the screen, animations with sprites, updating positions and velocities, hit detection with boxes, and distance calculations. It also recommends the Gosu library for Ruby and provides tutorials and image credits.
Programmin games - A 10 minute crash course
- 1. Programming Games The 10 minute crash course Rails Girls The Hague 2013
- 2. Name: Patrick Huesler Email: patrick.huesler@wooga.com Github: phuesler Twitter: phuesler
- 4. Read User Input Update Game World Draw Game World Game Loop
- 5. Drawing
- 8. Pixel
- 10. GPU
- 11. Frame rate (FPS) ~60 frames per second ~30 frames per second
- 12. x y 0,0 frames frame 1 frame 2 frame 3 frame 4 frame 5
- 13. Animations
- 14. Sprites
- 16. x y 0,0 P(10, 5) x = 10 y = 5 School
- 17. x y 0,0 P(10,5) x = 10 y = 5 Computer graphics
- 21. X Y 0,0 Falling vy : vertical velocity vy > 0 ground y = y + vy vy
- 22. X Y 0,0 Jumping vy : vertical velocity vy < 0 ground y = y + vy vy
- 23. x y 0,0 Hit Detection Hit Boxes: Are the rectangles overlapping? 5,10 15,5 width height https://en.wikipedia.org/wiki/Hit-testing
- 24. x y 0,0 Center xc = x + height / 2 yc = y + widht / 2 xc = 5 + 11 / 2 = 8 yc = 5 + 11 / 2 = 8 center = p(8, 8) 5,5 width = 11 height=11c
- 25. x y 0,0 Distance https://en.wikipedia.org/wiki/Pythagorean_theorem cTrollX - cRacoonX cTrollY-cRacoonY distance = sqrt(a^2 + b^2) distance a b
- 29. Images http://www.flickr.com/photos/71753457@N00/2490975442/ orangeacid http://www.flickr.com/photos/83542829@N00/2778794704/ William Hook http://www.flickr.com/photos/60648084@N00/2462966749/ Ѕolo http://www.flickr.com/photos/34196372@N04/5906065484/ Keith Bloomfield http://www.flickr.com/photos/99652207@N00/421447321/ Charles Williams http://www.flickr.com/photos/97223988@N00/6432357463 Flооd http://www.flickr.com/photos/45145879@N00/47714548/" 4tik http://www.flickr.com/photos/89455291@N00/4402938286 Fr3d.org http://www.flickr.com/photos/14443853@N07/5362778675 superUbO http://www.flickr.com/photos/26291754@N02/3720812250 Jen Son http://www.flickr.com/photos/14384226@N07/4768786395 Matteo Sorba