collider2d
Version:
A 2D collision checker for modern JavaScript games.
163 lines (136 loc) • 10.5 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
exports["default"] = void 0;
var _box = _interopRequireDefault(require("./box"));
var _vector = _interopRequireDefault(require("./vector"));
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
/**
* Represents a circle with a position and a radius.
*
* Creates a new Circle, optionally passing in a position and/or radius. If no position is given, the Circle will be at `(0,0)`.
*
* If no radius is provided the circle will have a radius of `0`.
*/
var Circle = /*#__PURE__*/function () {
/**
* A Vector representing the center point of this circle.
*
* @private
*
* @property {Vector}
*/
/**
* The radius of this circle.
*
* @private
*
* @property {number}
*/
/**
* A Vector representing the offset of this circle.
*
* @private
*
* @property {Vector}
*/
/**
* @param {Vector} position A Vector representing the center of this Circle.
* @param {number} radius The radius of this Circle.
*/
function Circle() {
var position = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : new _vector["default"]();
var radius = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 0;
_classCallCheck(this, Circle);
_defineProperty(this, "_position", new _vector["default"]());
_defineProperty(this, "_radius", 0);
_defineProperty(this, "_offset", new _vector["default"]());
this._position = position;
this._radius = radius;
}
/**
* Returns the position of this circle.
*
* @returns {Vector}
*/
_createClass(Circle, [{
key: "position",
get: function get() {
return this._position;
}
/**
* Returns the radius of this circle.
*
* @returns {number}
*/
}, {
key: "radius",
get: function get() {
return this._radius;
}
/**
* Returns the offset of this circle.
*
* @returns {Vector}
*/
}, {
key: "offset",
get: function get() {
return this._offset;
}
/**
* Set a new offset for this circle.
*
* @param {Vector} offset The new offset for this circle.
*/
,
set: function set(offset) {
this._offset = offset;
}
/**
* Translate the center of the cirlc.e
*
* @param {Vector} position A Vector representing the new center of this circle.
*/
}, {
key: "translate",
value: function translate(x, y) {
this._position.x += x;
this._position.y += y;
}
/**
* Compute the axis-aligned bounding box (AABB) of this Circle.
*
* Note: Returns a new `Polygon` each time this is called.
*
* @returns {Polygon} Returns the AABB of this circle.
*/
}, {
key: "getAABB",
value: function getAABB() {
var corner = this._position.clone().add(this._offset).sub(new _vector["default"](this._radius, this._radius));
return new _box["default"](corner, this._radius * 2, this._radius * 2).toPolygon();
}
/**
* Set the current offset to apply to the radius.
*
* @param {Vector} offset The new offset Vector.
*
* @returns {Circle} Returns this for chaining.
*/
}, {
key: "setOffset",
value: function setOffset(offset) {
this._offset = offset;
return this;
}
}]);
return Circle;
}();
exports["default"] = Circle;
//# sourceMappingURL=data:application/json;charset=utf-8;base64,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