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added networking tests

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logsol 2012-06-16 22:03:03 +02:00
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@author Josh Adell <josh.adell@gmail.com>
A port of the box2djs library into a node module.
Here is the box2d "Hello World" program from http://www.box2d.org/ written for node:
--- BEGIN CODE EXAMPLE ---
var sys = require("sys"),
b2d = require("./box2dnode");
// Define world
var worldAABB = new b2d.b2AABB();
worldAABB.lowerBound.Set(-100.0, -100.0);
worldAABB.upperBound.Set(100.0, 100.0);
var gravity = new b2d.b2Vec2(0.0, -10.0);
var doSleep = true;
var world = new b2d.b2World(worldAABB, gravity, doSleep);
// Ground Box
var groundBodyDef = new b2d.b2BodyDef();
groundBodyDef.position.Set(0.0, -10.0);
var groundBody = world.CreateBody(groundBodyDef);
var groundShapeDef = new b2d.b2PolygonDef();
groundShapeDef.SetAsBox(50.0, 10.0);
groundBody.CreateShape(groundShapeDef);
// Dynamic Body
var bodyDef = new b2d.b2BodyDef();
bodyDef.position.Set(0.0, 4.0);
var body = world.CreateBody(bodyDef);
var shapeDef = new b2d.b2PolygonDef();
shapeDef.SetAsBox(1.0, 1.0);
shapeDef.density = 1.0;
shapeDef.friction = 0.3;
body.CreateShape(shapeDef);
body.SetMassFromShapes();
// Run Simulation!
var timeStep = 1.0 / 60.0;
var iterations = 10;
for (var i=0; i < 60; i++) {
world.Step(timeStep, iterations);
var position = body.GetPosition();
var angle = body.GetAngle();
sys.puts(i+": <"+position.x+", "+position.y+"> @"+angle);
}
--- END CODE EXAMPLE ---