Box2D-Lite is a small 2D physics engine. It was developed for the 2006 GDC Physics Tutorial. This is the original version of the larger Box2D library. The Lite version is more suitable for learning about game physics.
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Hi Erin. Thank you for sharing your great articles for physics. I'm studying game physics based on your articles
I found one repeated line on Arbiter.cpp
This is first calculation on 137 https://github.com/erincatto/box2d-lite/blob/d9705826ca1589a1dc9d3c45396f4678f30e70a9/src/Arbiter.cpp#L137
However, it is repeated on 166 https://github.com/erincatto/box2d-lite/blob/d9705826ca1589a1dc9d3c45396f4678f30e70a9/src/Arbiter.cpp#L166
Hi Erin, Thank you for your great illustrative code, it is very good for learning rigid body dynamics.
From Arbiter::Update, https://github.com/erincatto/box2d-lite/blob/227b71b6974ea57ab7e96d40f6374287bd6a0e77/src/Arbiter.cpp#L40-L50 I think FeaturePair.value is used to distinguish contacts. While in Collide.cpp where contacts are computed, the only place to set value is in ClipVertex's constructor which set value=0. https://github.com/erincatto/box2d-lite/blob/227b71b6974ea57ab7e96d40f6374287bd6a0e77/src/Collide.cpp#L44-L49 Does it seem like this value is not correctly assigned for its purpose?
Thank you.
Hello, I'm trying to study it and try to rewrite box2dlite in c #, but I have a little problem I'm not sure in which Collide method used in the separation, you can show or put under "float separation = Dot (frontNormal, clipPoints2 [I] v) - front;" Change the name? Thank you very much! // I'm sorry I don't speak English so the above is from Google
See samples just now in your browser!
Add GLEW library. Upgrade ImGui library and move from opengl2 to opengl3 bindings. Move from legacy rendering to OpenGL2/WebGL1 with programmed pipeline.
This is the initial release of box2d-lite.
A minor update was made to remove the usage of git submodules because GitHub does not support them for releases.
Source code(tar.gz)Box2D-Lite Box2D-Lite is a small 2D physics engine. It was developed for the 2006 GDC Physics Tutorial. This is the original version of the larger Box
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