- #Gideros box2d keep body upright how to
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I would think you have something along those lines somewhere, Camera ScreenToWorld or WorldToScreen -> how are they implemented?.Python will after all call a C++ Box2d function, so make sure you're not converting any floats to integers, but on closer inspection it doesnt look like you are doing that. and you've done that and are somewhat off, have you accounted for floating point / integer conversion?.Thus screenpos 1200, 600 is 12,6 in "box2d units / meters" Just converting the mouse x,y with the Box2d conversion factor, PIXEL_PER_METERS or whatever you use, so f.ex While not familiar with Box2d for Python, but if what you are looking for is to convert mouse X,Y to world X,Y But the y value is off by 3 'meters'ĮDIT2: Because it is (SCREEN_HEIGHT - y) / PPM If I divide the _pos().x with PPM it is the correct value. # Flip the screen and try to keep at the target FPSĮDIT: The PPM value is the amount on pixels per meter. # on these parameters and their implications.
#Gideros box2d keep body upright manual
# See the manual (Section "Simulating the World") for further discussion
# generally best to keep the time step and iterations fixed. # Instruct the world to perform a single step of simulation. # Make Box2D simulate the physics of our world for one step. Vertices =, SCREEN_HEIGHT - v) for v in vertices] Pygame, on the other hand, increases in the # in high school, with positive x and y directions going # But wait! It's upside-down! Pygame and Box2D orient their # vertex, and then convert from meters to pixels with the scale # We take the body's transform and multiply it with each # Naively assume that this is a polygon shape. # The fixture holds information like density and friction, # The body gives us the position and angle of its shapes # The user closed the window or pressed escape If event.type = QUIT or (event.type = KEYDOWN and event.key = K_ESCAPE): Screen = _mode((SCREEN_WIDTH, SCREEN_HEIGHT), 0, 32, display=1) In issues like this: mouseWorld Coordinates Box2D there is a method: ordPixelsToWorld(x,y) but I can't find this method in the Python library for box2d.
#Gideros box2d keep body upright how to
You will learn how to quickly create game prototypes in Gideros, how to test and set up projects to automatically target devices with different resolutions, and how to polish your prototype with animations, sounds, tweens, and even physics to create your very first cross-platform game.īy the end of this book, you will have learned everything you need to create visually stunning physics and exciting cross-platform games using Gideros.I can't figure out the proper way to get the world coordinates from the mouse coords. This book teaches you everything you need to know about Gideros, from installing Gideros on your operating system to creating and efficiently managing your Gideros projects and creating your very first game, all with the help of well explained examples. Gideros Mobile Game Development shows you how to develop an original and exciting game in Gideros, helping you create your very first project and guiding you through the configuration of settings and assets to help you target devices with different resolutions.
Gideros also comes with a built-in box2D physics engine and extended memory management features to make mobile game development a breeze.
#Gideros box2d keep body upright android
Gideros is a Lua-based framework that facilitates effortless native iOS and Android application development along with hardware acceleration. Have you ever had an interesting idea for a mobile game? Have you ever wanted to jump on the mobile app bandwagon? Developing a mobile game has never been so fun and easy, and with the vast amount of smartphone users, it may also become a profitable thing to do.
#Gideros box2d keep body upright full
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