@awayfl/poki-player
Version:
AVM Player for poki games
75 lines (74 loc) • 3.4 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 { __extends } from "tslib";
import { b2JointDef, b2PulleyJoint, b2Joint } from '../Joints';
import { b2Vec2 } from '../../Common/Math';
/// Pulley joint definition. This requires two ground anchors,
/// two dynamic body anchor points, max lengths for each side,
/// and a pulley ratio.
var b2PulleyJointDef = /** @class */ (function (_super) {
__extends(b2PulleyJointDef, _super);
function b2PulleyJointDef() {
var _this = _super.call(this) || this;
/// The first ground anchor in world coordinates. This point never moves.
_this.groundAnchor1 = new b2Vec2();
/// The second ground anchor in world coordinates. This point never moves.
_this.groundAnchor2 = new b2Vec2();
/// The local anchor point relative to body1's origin.
_this.localAnchor1 = new b2Vec2();
/// The local anchor point relative to body2's origin.
_this.localAnchor2 = new b2Vec2();
_this.type = b2Joint.e_pulleyJoint;
_this.groundAnchor1.Set(-1.0, 1.0);
_this.groundAnchor2.Set(1.0, 1.0);
_this.localAnchor1.Set(-1.0, 0.0);
_this.localAnchor2.Set(1.0, 0.0);
_this.length1 = 0.0;
_this.maxLength1 = 0.0;
_this.length2 = 0.0;
_this.maxLength2 = 0.0;
_this.ratio = 1.0;
_this.collideConnected = true;
return _this;
}
b2PulleyJointDef.prototype.Initialize = function (b1, b2, ga1, ga2, anchor1, anchor2, r) {
this.body1 = b1;
this.body2 = b2;
this.groundAnchor1.SetV(ga1);
this.groundAnchor2.SetV(ga2);
this.localAnchor1 = this.body1.GetLocalPoint(anchor1);
this.localAnchor2 = this.body2.GetLocalPoint(anchor2);
//b2Vec2 d1 = anchor1 - ga1;
var d1X = anchor1.x - ga1.x;
var d1Y = anchor1.y - ga1.y;
//length1 = d1.Length();
this.length1 = Math.sqrt(d1X * d1X + d1Y * d1Y);
//b2Vec2 d2 = anchor2 - ga2;
var d2X = anchor2.x - ga2.x;
var d2Y = anchor2.y - ga2.y;
//length2 = d2.Length();
this.length2 = Math.sqrt(d2X * d2X + d2Y * d2Y);
this.ratio = r;
//b2Settings.b2Assert(ratio > Number.MIN_VALUE);
var C = this.length1 + this.ratio * this.length2;
this.maxLength1 = C - this.ratio * b2PulleyJoint.b2_minPulleyLength;
this.maxLength2 = (C - b2PulleyJoint.b2_minPulleyLength) / this.ratio;
};
return b2PulleyJointDef;
}(b2JointDef));
export { b2PulleyJointDef };