@awayfl/poki-player
Version:
AVM Player for poki games
43 lines (42 loc) • 1.84 kB
JavaScript
/*
* Copyright (c) 2006-2007 Erin Catto http://www.gphysics.com
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event will the authors be held liable for any damages
* arising from the use of this software.
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute it
* freely, subject to the following restrictions:
* 1. The origin of this software must not be misrepresented; you must not
* claim that you wrote the original software. If you use this software
* in a product, an acknowledgment in the product documentation would be
* appreciated but is not required.
* 2. Altered source versions must be plainly marked as such, and must not be
* misrepresented as being the original software.
* 3. This notice may not be removed or altered from any source distribution.
*/
import { b2Vec2 } from '../../Common/Math';
var b2Jacobian = /** @class */ (function () {
function b2Jacobian() {
this.linear1 = new b2Vec2();
this.linear2 = new b2Vec2();
}
b2Jacobian.prototype.SetZero = function () {
this.linear1.SetZero();
this.angular1 = 0.0;
this.linear2.SetZero();
this.angular2 = 0.0;
};
b2Jacobian.prototype.Set = function (x1, a1, x2, a2) {
this.linear1.SetV(x1);
this.angular1 = a1;
this.linear2.SetV(x2);
this.angular2 = a2;
};
b2Jacobian.prototype.Compute = function (x1, a1, x2, a2) {
//return b2Math.b2Dot(linear1, x1) + angular1 * a1 + b2Math.b2Dot(linear2, x2) + angular2 * a2;
return (this.linear1.x * x1.x + this.linear1.y * x1.y) + this.angular1 * a1 + (this.linear2.x * x2.x + this.linear2.y * x2.y) + this.angular2 * a2;
};
return b2Jacobian;
}());
export { b2Jacobian };