@awayfl/awayfl-player
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Flash Player emulator for executing SWF files (published for FP versions 6 and up) in javascript
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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 { b2ShapeDef } from './b2ShapeDef';
import { b2Shape } from './b2Shape';
import { b2Settings } from '../../Common/b2Settings';
import { b2Vec2, b2Mat22 } from '../../Common/Math';
var b2PolygonDef = /** @class */ (function (_super) {
__extends(b2PolygonDef, _super);
function b2PolygonDef() {
var _this = _super.call(this) || this;
/// The polygon vertices in local coordinates.
_this.vertices = new Array(b2Settings.b2_maxPolygonVertices);
_this.type = b2Shape.e_polygonShape;
_this.vertexCount = 0;
for (var i /** int */ = 0; i < b2Settings.b2_maxPolygonVertices; i++) {
_this.vertices[i] = new b2Vec2();
}
return _this;
}
/// Build vertices to represent an axis-aligned box.
/// @param hx the half-width.
/// @param hy the half-height.
b2PolygonDef.prototype.SetAsBox = function (hx, hy) {
this.vertexCount = 4;
this.vertices[0].Set(-hx, -hy);
this.vertices[1].Set(hx, -hy);
this.vertices[2].Set(hx, hy);
this.vertices[3].Set(-hx, hy);
};
b2PolygonDef.prototype.SetAsOrientedBox = function (hx, hy, center, angle) {
if (center === void 0) { center = null; }
if (angle === void 0) { angle = 0.0; }
//SetAsBox(hx, hy);
{
this.vertexCount = 4;
this.vertices[0].Set(-hx, -hy);
this.vertices[1].Set(hx, -hy);
this.vertices[2].Set(hx, hy);
this.vertices[3].Set(-hx, hy);
}
if (center) {
//b2XForm xf;
//xf.position = center;
var xfPosition = center;
//xf.R.Set(angle);
var xfR = b2PolygonDef.s_mat;
xfR.Set(angle);
for (var i /** int */ = 0; i < this.vertexCount; ++i) {
//vertices[i] = b2Mul(xf, vertices[i]);
//var a:b2Vec2 = b2MulMV(T.R, v);
center = this.vertices[i];
hx = xfPosition.x + (xfR.col1.x * center.x + xfR.col2.x * center.y);
center.y = xfPosition.y + (xfR.col1.y * center.x + xfR.col2.y * center.y);
center.x = hx;
}
}
};
/// Build vertices to represent an oriented box.
/// @param hx the half-width.
/// @param hy the half-height.
/// @param center the center of the box in local coordinates.
/// @param angle the rotation of the box in local coordinates.
b2PolygonDef.s_mat = new b2Mat22();
return b2PolygonDef;
}(b2ShapeDef));
export { b2PolygonDef };