73 lines
2.5 KiB
JavaScript
73 lines
2.5 KiB
JavaScript
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/*
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* Copyright (c) 2006-2007 Erin Catto http:
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*
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* This software is provided 'as-is', without any express or implied
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* warranty. In no event will the authors be held liable for any damages
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* arising from the use of this software.
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* Permission is granted to anyone to use this software for any purpose,
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* including commercial applications, and to alter it and redistribute it
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* freely, subject to the following restrictions:
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* 1. The origin of this software must not be misrepresented; you must not
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* claim that you wrote the original software. If you use this software
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* in a product, an acknowledgment in the product documentation would be
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* appreciated but is not required.
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* 2. Altered source versions must be plainly marked, and must not be
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* misrepresented the original software.
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* 3. This notice may not be removed or altered from any source distribution.
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*/
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var b2Settings = Class.create();
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b2Settings.prototype = {
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// Define your unit system here. The default system is
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// meters-kilograms-seconds. For the tuning to work well,
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// your dynamic objects should be bigger than a pebble and smaller
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// than a house.
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//static public const b2Settings.b2_lengthUnitsPerMeter = 1.0;
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// Use this for pixels:
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// Global tuning constants based on MKS units.
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// Collision
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// Dynamics
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// Sleep
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// assert
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initialize: function() {}}
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b2Settings.USHRT_MAX = 0x0000ffff;
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b2Settings.b2_pi = Math.PI;
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b2Settings.b2_massUnitsPerKilogram = 1.0;
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b2Settings.b2_timeUnitsPerSecond = 1.0;
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b2Settings.b2_lengthUnitsPerMeter = 30.0;
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b2Settings.b2_maxManifoldPoints = 2;
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b2Settings.b2_maxShapesPerBody = 64;
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b2Settings.b2_maxPolyVertices = 8;
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b2Settings.b2_maxProxies = 1024;
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b2Settings.b2_maxPairs = 8 * b2Settings.b2_maxProxies;
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b2Settings.b2_linearSlop = 0.005 * b2Settings.b2_lengthUnitsPerMeter;
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b2Settings.b2_angularSlop = 2.0 / 180.0 * b2Settings.b2_pi;
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b2Settings.b2_velocityThreshold = 1.0 * b2Settings.b2_lengthUnitsPerMeter / b2Settings.b2_timeUnitsPerSecond;
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b2Settings.b2_maxLinearCorrection = 0.2 * b2Settings.b2_lengthUnitsPerMeter;
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b2Settings.b2_maxAngularCorrection = 8.0 / 180.0 * b2Settings.b2_pi;
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b2Settings.b2_contactBaumgarte = 0.2;
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b2Settings.b2_timeToSleep = 0.5 * b2Settings.b2_timeUnitsPerSecond;
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b2Settings.b2_linearSleepTolerance = 0.01 * b2Settings.b2_lengthUnitsPerMeter / b2Settings.b2_timeUnitsPerSecond;
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b2Settings.b2_angularSleepTolerance = 2.0 / 180.0 / b2Settings.b2_timeUnitsPerSecond;
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b2Settings.b2Assert = function(a)
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{
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if (!a){
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var nullVec;
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nullVec.x++;
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}
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};
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