phaser3-rex-plugins
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(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
typeof define === 'function' && define.amd ? define(factory) :
(global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.rexraycasterplugin = factory());
})(this, (function () { 'use strict';
function _typeof(obj) {
"@babel/helpers - typeof";
return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (obj) {
return typeof obj;
} : function (obj) {
return obj && "function" == typeof Symbol && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
}, _typeof(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, _toPropertyKey(descriptor.key), descriptor);
}
}
function _createClass(Constructor, protoProps, staticProps) {
if (protoProps) _defineProperties(Constructor.prototype, protoProps);
if (staticProps) _defineProperties(Constructor, staticProps);
Object.defineProperty(Constructor, "prototype", {
writable: false
});
return Constructor;
}
function _inherits(subClass, superClass) {
if (typeof superClass !== "function" && superClass !== null) {
throw new TypeError("Super expression must either be null or a function");
}
subClass.prototype = Object.create(superClass && superClass.prototype, {
constructor: {
value: subClass,
writable: true,
configurable: true
}
});
Object.defineProperty(subClass, "prototype", {
writable: false
});
if (superClass) _setPrototypeOf(subClass, superClass);
}
function _getPrototypeOf(o) {
_getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf.bind() : function _getPrototypeOf(o) {
return o.__proto__ || Object.getPrototypeOf(o);
};
return _getPrototypeOf(o);
}
function _setPrototypeOf(o, p) {
_setPrototypeOf = Object.setPrototypeOf ? Object.setPrototypeOf.bind() : function _setPrototypeOf(o, p) {
o.__proto__ = p;
return o;
};
return _setPrototypeOf(o, p);
}
function _isNativeReflectConstruct() {
if (typeof Reflect === "undefined" || !Reflect.construct) return false;
if (Reflect.construct.sham) return false;
if (typeof Proxy === "function") return true;
try {
Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {}));
return true;
} catch (e) {
return false;
}
}
function _assertThisInitialized(self) {
if (self === void 0) {
throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
}
return self;
}
function _possibleConstructorReturn(self, call) {
if (call && (typeof call === "object" || typeof call === "function")) {
return call;
} else if (call !== void 0) {
throw new TypeError("Derived constructors may only return object or undefined");
}
return _assertThisInitialized(self);
}
function _createSuper(Derived) {
var hasNativeReflectConstruct = _isNativeReflectConstruct();
return function _createSuperInternal() {
var Super = _getPrototypeOf(Derived),
result;
if (hasNativeReflectConstruct) {
var NewTarget = _getPrototypeOf(this).constructor;
result = Reflect.construct(Super, arguments, NewTarget);
} else {
result = Super.apply(this, arguments);
}
return _possibleConstructorReturn(this, result);
};
}
function _toPrimitive(input, hint) {
if (typeof input !== "object" || input === null) return input;
var prim = input[Symbol.toPrimitive];
if (prim !== undefined) {
var res = prim.call(input, hint || "default");
if (typeof res !== "object") return res;
throw new TypeError("@@toPrimitive must return a primitive value.");
}
return (hint === "string" ? String : Number)(input);
}
function _toPropertyKey(arg) {
var key = _toPrimitive(arg, "string");
return typeof key === "symbol" ? key : String(key);
}
var GameObjectClass = Phaser.GameObjects.GameObject;
var IsGameObject = function IsGameObject(object) {
return object instanceof GameObjectClass;
};
var GetDisplayWidth = function GetDisplayWidth(gameObject) {
if (gameObject.displayWidth !== undefined) {
return gameObject.displayWidth;
} else {
return gameObject.width;
}
};
var GetDisplayHeight = function GetDisplayHeight(gameObject) {
if (gameObject.displayHeight !== undefined) {
return gameObject.displayHeight;
} else {
return gameObject.height;
}
};
Phaser.Geom.Rectangle;
var Vector2 = Phaser.Math.Vector2;
var RotateAround = Phaser.Math.RotateAround;
var GetTopLeft = function GetTopLeft(gameObject, output, includeParent) {
if (output === undefined) {
output = new Vector2();
} else if (output === true) {
if (GlobVector === undefined) {
GlobVector = new Vector2();
}
output = GlobVector;
}
if (gameObject.getTopLeft) {
return gameObject.getTopLeft(output);
}
output.x = gameObject.x - GetDisplayWidth(gameObject) * gameObject.originX;
output.y = gameObject.y - GetDisplayHeight(gameObject) * gameObject.originY;
return PrepareBoundsOutput(gameObject, output, includeParent);
};
var GetTopRight = function GetTopRight(gameObject, output, includeParent) {
if (output === undefined) {
output = new Vector2();
} else if (output === true) {
if (GlobVector === undefined) {
GlobVector = new Vector2();
}
output = GlobVector;
}
if (gameObject.getTopRight) {
return gameObject.getTopRight(output);
}
output.x = gameObject.x - GetDisplayWidth(gameObject) * gameObject.originX + GetDisplayWidth(gameObject);
output.y = gameObject.y - GetDisplayHeight(gameObject) * gameObject.originY;
return PrepareBoundsOutput(gameObject, output, includeParent);
};
var GetBottomLeft = function GetBottomLeft(gameObject, output, includeParent) {
if (output === undefined) {
output = new Vector2();
} else if (output === true) {
if (GlobVector === undefined) {
GlobVector = new Vector2();
}
output = GlobVector;
}
if (gameObject.getBottomLeft) {
return gameObject.getBottomLeft(output);
}
output.x = gameObject.x - GetDisplayWidth(gameObject) * gameObject.originX;
output.y = gameObject.y - GetDisplayHeight(gameObject) * gameObject.originY + GetDisplayHeight(gameObject);
return PrepareBoundsOutput(gameObject, output, includeParent);
};
var GetBottomRight = function GetBottomRight(gameObject, output, includeParent) {
if (output === undefined) {
output = new Vector2();
} else if (output === true) {
if (GlobVector === undefined) {
GlobVector = new Vector2();
}
output = GlobVector;
}
if (gameObject.getBottomRight) {
return gameObject.getBottomRight(output);
}
output.x = gameObject.x - GetDisplayWidth(gameObject) * gameObject.originX + GetDisplayWidth(gameObject);
output.y = gameObject.y - GetDisplayHeight(gameObject) * gameObject.originY + GetDisplayHeight(gameObject);
return PrepareBoundsOutput(gameObject, output, includeParent);
};
var GlobVector = undefined;
var PrepareBoundsOutput = function PrepareBoundsOutput(gameObject, output, includeParent) {
if (includeParent === undefined) {
includeParent = false;
}
if (gameObject.rotation !== 0) {
RotateAround(output, gameObject.x, gameObject.y, gameObject.rotation);
}
if (includeParent && gameObject.parentContainer) {
var parentMatrix = gameObject.parentContainer.getBoundsTransformMatrix();
parentMatrix.transformPoint(output.x, output.y, output);
}
return output;
};
var Polygon$1 = Phaser.Geom.Polygon;
var BoundsToPolygon = function BoundsToPolygon(gameObject, out) {
if (out === undefined) {
out = new Polygon$1();
}
var p0 = GetTopLeft(gameObject),
p1 = GetTopRight(gameObject),
p2 = GetBottomRight(gameObject),
p3 = GetBottomLeft(gameObject);
out.setTo([p0, p1, p2, p3, p0]);
return out;
};
var Polygon = Phaser.Geom.Polygon;
var SpliceOne = Phaser.Utils.Array.SpliceOne;
var Obstacles = /*#__PURE__*/function () {
function Obstacles() {
_classCallCheck(this, Obstacles);
this.gameObjects = [];
this.polygons = [];
}
_createClass(Obstacles, [{
key: "contains",
value: function contains(gameObject) {
return this.gameObjects.indexOf(gameObject) !== -1;
}
}, {
key: "get",
value: function get(index) {
Obstacle.gameObject = this.gameObjects[index];
Obstacle.polygon = this.polygons[index];
return Obstacle;
}
}, {
key: "addDestroyCallback",
value: function addDestroyCallback(gameObject) {
if (Array.isArray(gameObject)) {
var gameObjects = gameObject;
for (var i = 0, cnt = gameObjects.length; i < cnt; i++) {
this.addDestroyCallback(gameObjects[i]);
}
return this;
}
if (gameObject.on) {
gameObject.once('destroy', this.onChildDestroy, this);
}
return this;
}
}, {
key: "removeDestroyCallback",
value: function removeDestroyCallback(gameObject) {
if (Array.isArray(gameObject)) {
var gameObjects = gameObject;
for (var i = 0, cnt = gameObjects.length; i < cnt; i++) {
this.removeDestroyCallback(gameObjects[i]);
}
return this;
}
if (gameObject.off) {
gameObject.off('destroy', this.onChildDestroy, this);
}
return this;
}
}, {
key: "clear",
value: function clear() {
this.removeDestroyCallback(this.gameObjects);
this.gameObjects.length = 0;
this.polygons.length = 0;
return this;
}
}, {
key: "add",
value: function add(gameObject, polygon) {
if (this.contains(gameObject)) {
return this;
}
if (IsGameObject(gameObject)) {
if (polygon === undefined) {
polygon = BoundsToPolygon(gameObject);
}
} else if (gameObject instanceof Polygon) {
polygon = gameObject;
}
this.gameObjects.push(gameObject);
this.polygons.push(polygon);
this.addDestroyCallback(gameObject);
return this;
}
}, {
key: "remove",
value: function remove(gameObject) {
var index = this.gameObjects.indexOf(gameObject);
if (index === -1) {
return this;
}
SpliceOne(this.gameObjects, index);
SpliceOne(this.polygons, index);
this.removeDestroyCallback(gameObject);
return this;
}
}, {
key: "onChildDestroy",
value: function onChildDestroy(child, fromScene) {
this.remove(child);
}
}, {
key: "update",
value: function update(gameObject, polygon) {
var index = this.gameObjects.indexOf(gameObject);
if (index === -1) {
return this;
}
if (polygon === undefined) {
polygon = BoundsToPolygon(gameObject, this.polygons[index]);
}
this.polygons[index] = polygon;
return this;
}
}]);
return Obstacles;
}();
var Obstacle = {};
var GetLineToLine = Phaser.Geom.Intersects.GetLineToLine;
var PointToLine = Phaser.Geom.Intersects.PointToLine;
var GetLineToPoints = function GetLineToPoints(line, points, out) {
if (out === undefined) {
out = {};
} else if (out === true) {
out = globResult$1;
}
/*
out: {
x,y, // intersection point
d, // intersection distance
segIndex // intersection segment
}
*/
var closestIntersect = false;
startPoint.setTo(line.x1, line.y1);
out.d = Infinity;
tempIntersect.set();
var prev = points[0];
for (var i = 1; i < points.length; i++) {
var current = points[i];
segment.setTo(prev.x, prev.y, current.x, current.y);
prev = current;
// Ignore case: start point of line is at segment
if (PointToLine(startPoint, segment)) {
continue;
}
if (GetLineToLine(line, segment, false, tempIntersect)) {
if (tempIntersect.z < out.d) {
out.x = tempIntersect.x;
out.y = tempIntersect.y;
out.d = tempIntersect.z;
out.segIndex = i - 1;
closestIntersect = true;
}
}
}
return closestIntersect ? out : null;
};
var globResult$1 = {};
var startPoint = new Phaser.Geom.Point();
var segment = new Phaser.Geom.Line();
var tempIntersect = new Phaser.Math.Vector3();
var Clear = function Clear(obj) {
if (_typeof(obj) !== 'object' || obj === null) {
return obj;
}
if (Array.isArray(obj)) {
obj.length = 0;
} else {
for (var key in obj) {
delete obj[key];
}
}
return obj;
};
/**
* Shallow Object Clone. Will not out nested objects.
* @param {object} obj JSON object
* @param {object} ret JSON object to return, set null to return a new object
* @returns {object} this object
*/
var Clone = function Clone(obj, out) {
var objIsArray = Array.isArray(obj);
if (out === undefined) {
out = objIsArray ? [] : {};
} else {
Clear(out);
}
if (objIsArray) {
out.length = obj.length;
for (var i = 0, cnt = obj.length; i < cnt; i++) {
out[i] = obj[i];
}
} else {
for (var key in obj) {
out[key] = obj[key];
}
}
return out;
};
var GetAABB = Phaser.Geom.Polygon.GetAABB;
var LineToRectangle = Phaser.Geom.Intersects.LineToRectangle;
var GetLineToPolygon = function GetLineToPolygon(line, polygons, out) {
if (out === undefined) {
out = {};
} else if (out === true) {
out = globResult;
}
/*
out: {
x,y, // intersection point
d, // intersection distance
segIndex, // index of intersection segment
shapeIndex // index of intersection polygon
}
*/
if (!Array.isArray(polygons)) {
polygons = [polygons];
}
var closestIntersect = false;
out.d = Infinity;
// Reset our vec4s
for (var i = 0; i < polygons.length; i++) {
var polygon = polygons[i];
// Run AABBTest when polygon is more than 8 edges
if (polygon.points.length > 9 && !LineToRectangle(line, GetAABB(polygon, AABBRect))) {
continue;
}
var intersectionResult = GetLineToPoints(line, polygon.points, true);
if (intersectionResult) {
if (intersectionResult.d < out.d) {
Clone(intersectionResult, out); // x,y,d,segIndex
out.shapeIndex = i;
closestIntersect = true;
}
}
}
return closestIntersect ? out : null;
};
var globResult = {};
var AABBRect = new Phaser.Geom.Rectangle();
var GetValue = Phaser.Utils.Objects.GetValue;
var Line = Phaser.Geom.Line;
var SetToAngle = Phaser.Geom.Line.SetToAngle;
var ReflectAngle = Phaser.Geom.Line.ReflectAngle;
var Reflection = /*#__PURE__*/function () {
function Reflection(config) {
_classCallCheck(this, Reflection);
this.obstacles = new Obstacles();
this.ray = new Line();
this.setMaxRayLength(GetValue(config, 'maxRayLength', 10000));
this.result = {
hit: false,
x: 0,
y: 0,
segment: new Line(),
polygon: null,
gameObject: null,
reflectAngle: 0
};
}
_createClass(Reflection, [{
key: "destroy",
value: function destroy() {
this.obstacles.clear();
this.obstacles = null;
this.ray = null;
this.result = null;
}
}, {
key: "setMaxRayLength",
value: function setMaxRayLength(length) {
this.maxRayLength = length;
return this;
}
}, {
key: "addObstacle",
value: function addObstacle(gameObject, polygon) {
if (Array.isArray(gameObject)) {
var gameObjects = gameObject;
for (var i = 0, cnt = gameObjects.length; i < cnt; i++) {
this.obstacles.add(gameObjects[i]);
}
} else {
this.obstacles.add(gameObject, polygon);
}
return this;
}
}, {
key: "clearObstacle",
value: function clearObstacle() {
this.obstacles.clear();
return this;
}
}, {
key: "removeObstacle",
value: function removeObstacle(gameObject) {
if (Array.isArray(gameObject)) {
var gameObjects = gameObject;
for (var i = 0, cnt = gameObjects.length; i < cnt; i++) {
this.obstacles.remove(gameObjects[i]);
}
} else {
this.obstacles.remove(gameObject);
}
return this;
}
}, {
key: "updateObstacle",
value: function updateObstacle(gameObject, polygon) {
if (Array.isArray(gameObject)) {
var gameObjects = gameObject;
for (var i = 0, cnt = gameObjects.length; i < cnt; i++) {
this.obstacles.update(gameObjects[i]);
}
} else {
this.obstacles.update(gameObject, polygon);
}
return this;
}
}, {
key: "hitTest",
value: function hitTest() {
var result = GetLineToPolygon(this.ray, this.obstacles.polygons, true);
if (result) {
this.ray.x2 = result.x;
this.ray.y2 = result.y;
this.result.hit = true;
this.result.x = result.x;
this.result.y = result.y;
var obstacle = this.obstacles.get(result.shapeIndex);
this.result.polygon = obstacle.polygon;
this.result.gameObject = obstacle.gameObject;
var points = this.result.polygon.points,
segIndex = result.segIndex,
p0 = points[segIndex],
p1 = points[segIndex + 1];
var segment = this.result.segment;
segment.setTo(p0.x, p0.y, p1.x, p1.y);
this.result.reflectAngle = ReflectAngle(this.ray, segment);
} else {
this.result.hit = false;
}
return result ? this.result : false;
}
}, {
key: "rayToward",
value: function rayToward(x, y, angle) {
SetToAngle(this.ray, x, y, angle, this.maxRayLength);
return this.hitTest();
}
}]);
return Reflection;
}();
var RaycasterPlugin = /*#__PURE__*/function (_Phaser$Plugins$BaseP) {
_inherits(RaycasterPlugin, _Phaser$Plugins$BaseP);
var _super = _createSuper(RaycasterPlugin);
function RaycasterPlugin(pluginManager) {
_classCallCheck(this, RaycasterPlugin);
return _super.call(this, pluginManager);
}
_createClass(RaycasterPlugin, [{
key: "start",
value: function start() {
var eventEmitter = this.game.events;
eventEmitter.on('destroy', this.destroy, this);
}
}, {
key: "add",
value: function add(config) {
return new Reflection(config);
}
}]);
return RaycasterPlugin;
}(Phaser.Plugins.BasePlugin);
return RaycasterPlugin;
}));