phaser4-rex-plugins/dist/rextouchhelperplugin.js

Plugins of phaser4

(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.rextouchhelperplugin = factory());
})(this, (function () { 'use strict';

    var HitTest$1 = function (scene, topOnly, gameObjects, pointers, out) {
        var inputPlugin = scene.input;
        var inputManager = inputPlugin.manager;

        if (topOnly === undefined) {
            topOnly = inputPlugin.topOnly;
        }
        if (out === undefined) {
            out = [];
        }
        if (gameObjects === undefined) {
            gameObjects = inputPlugin._list;
        }

        var pointersTotal, pointer;
        if (pointers === undefined) {
            pointers = inputManager.pointers;
            pointersTotal = inputManager.pointersTotal;
        }
        if (pointersTotal === undefined) {
            pointersTotal = pointers.length;
        }

        var cameras;
        for (var pointerIdx = 0; pointerIdx < pointersTotal; pointerIdx++) {
            pointer = pointers[pointerIdx];
            cameras = inputPlugin.cameras.getCamerasBelowPointer(pointer);
            for (var cameraIdx = 0, camerasTotal = cameras.length; cameraIdx < camerasTotal; cameraIdx++) {
                out.push(...inputManager.hitTest(pointer, gameObjects, cameras[cameraIdx], HitTestResult$1));
            }
        }

        inputPlugin.sortGameObjects(out);
        if (topOnly) {
            if (out.length) {
                out.splice(1);
            }
        }

        HitTestResult$1.length = 0;
        return out;
    };

    var HitTestResult$1 = [];

    var IsPointerInHitArea = function (gameObject, pointer, preTest, postTest, returnFirstPointer) {
        if (pointer) {
            if (preTest && !preTest(gameObject, pointer)) {
                return false;
            }
            if (!HitTest(gameObject, pointer)) {
                return false;
            }
            if (postTest && !postTest(gameObject, pointer)) {
                return false;
            }
            return true;

        } else {
            if (returnFirstPointer === undefined) {
                returnFirstPointer = false;
            }

            var inputManager = gameObject.scene.input.manager;
            var pointersTotal = inputManager.pointersTotal;
            var pointers = inputManager.pointers,
                pointer;
            for (var i = 0; i < pointersTotal; i++) {
                pointer = pointers[i];
                if (preTest && !preTest(gameObject, pointer)) {
                    continue;
                }
                if (!HitTest(gameObject, pointer)) {
                    continue;
                }
                if (postTest && !postTest(gameObject, pointer)) {
                    continue;
                }

                if (returnFirstPointer) {
                    return pointer;
                }

                return true;
            }

            return false;
        }
    };

    var HitTest = function (gameObject, pointer) {
        var scene = gameObject.scene;
        var cameras = scene.input.cameras.getCamerasBelowPointer(pointer);
        var inputManager = scene.input.manager;
        var gameObjects = [gameObject];

        for (var i = 0, len = cameras.length; i < len; i++) {
            inputManager.hitTest(pointer, gameObjects, cameras[i], HitTestResult);
            if (HitTestResult.length > 0) {
                HitTestResult.length = 0;
                return true;
            }
        }

        HitTestResult.length = 0;
        return false;
    };

    var HitTestResult = [];

    var GetDisplayWidth = function (gameObject) {
        if (gameObject.displayWidth !== undefined) {
            return gameObject.displayWidth;
        } else {
            return gameObject.width;
        }
    };

    var GetDisplayHeight = function (gameObject) {
        if (gameObject.displayHeight !== undefined) {
            return gameObject.displayHeight;
        } else {
            return gameObject.height;
        }
    };

    const Rectangle = Phaser.Geom.Rectangle;
    const Vector2 = Phaser.Math.Vector2;
    const RotateAround = Phaser.Math.RotateAround;
    const P3Container = Phaser.GameObjects.Container;

    var GetBounds = function (gameObject, output) {
        if (output === undefined) {
            output = new Rectangle();
        } else if (output === true) {
            if (GlobRect === undefined) {
                GlobRect = new Rectangle();
            }
            output = GlobRect;
        }

        if (gameObject.getBounds && !(gameObject instanceof P3Container)) {
            return gameObject.getBounds(output);
        }

        //  We can use the output object to temporarily store the x/y coords in:

        var TLx, TLy, TRx, TRy, BLx, BLy, BRx, BRy;

        // Instead of doing a check if parent container is
        // defined per corner we only do it once.
        if (gameObject.parentContainer) {
            var parentMatrix = gameObject.parentContainer.getBoundsTransformMatrix();

            GetTopLeft(gameObject, output);
            parentMatrix.transformPoint(output.x, output.y, output);

            TLx = output.x;
            TLy = output.y;

            GetTopRight(gameObject, output);
            parentMatrix.transformPoint(output.x, output.y, output);

            TRx = output.x;
            TRy = output.y;

            GetBottomLeft(gameObject, output);        parentMatrix.transformPoint(output.x, output.y, output);

            BLx = output.x;
            BLy = output.y;

            GetBottomRight(gameObject, output);
            parentMatrix.transformPoint(output.x, output.y, output);

            BRx = output.x;
            BRy = output.y;
        }
        else {
            GetTopLeft(gameObject, output);

            TLx = output.x;
            TLy = output.y;

            GetTopRight(gameObject, output);
            TRx = output.x;
            TRy = output.y;

            GetBottomLeft(gameObject, output);
            BLx = output.x;
            BLy = output.y;

            GetBottomRight(gameObject, output);

            BRx = output.x;
            BRy = output.y;
        }

        output.x = Math.min(TLx, TRx, BLx, BRx);
        output.y = Math.min(TLy, TRy, BLy, BRy);
        output.width = Math.max(TLx, TRx, BLx, BRx) - output.x;
        output.height = Math.max(TLy, TRy, BLy, BRy) - output.y;

        return output;
    };

    var GlobRect = undefined;

    var GetTopLeft = function (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, includeParent);
        }

        output.x = gameObject.x - (GetDisplayWidth(gameObject) * gameObject.originX);
        output.y = gameObject.y - (GetDisplayHeight(gameObject) * gameObject.originY);

        return PrepareBoundsOutput(gameObject, output, includeParent);
    };

    var GetTopRight = function (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, includeParent);
        }

        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 (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, includeParent);
        }

        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 (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, includeParent);
        }

        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 (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 IsPointInBounds = function (gameObject, x, y, preTest, postTest) {
        // Can't get bounds
        if (!gameObject) {
            return false;
        }

        if (preTest && !preTest(gameObject, x, y)) {
            return false;
        }

        var boundsRect = GetBounds(gameObject, true);
        if (!boundsRect.contains(x, y)) {
            return false;
        }

        if (postTest && !postTest(gameObject, x, y)) {
            return false;
        }

        return true;
    };

    var GetPointerWorldXY = function (pointer, targetCamera, out) {
        var camera = pointer.camera;
        if (!camera) {
            return null;
        }

        if (out === undefined) {
            out = {};
        } else if (out === true) {
            out = globalOut;
        }

        if (camera === targetCamera) {
            out.x = pointer.worldX;
            out.y = pointer.worldY;
        } else {
            camera.getWorldPoint(pointer.x, pointer.y, out);
        }

        return out;
    };

    var globalOut = {};

    var PointerTest = function (gameObject, pointer, mainTest, preTest, postTest) {
        var mainCamera = gameObject.scene.sys.cameras.main,
            worldXY;

        var useScreenXY = (gameObject.scrollFactorX === 0) && (gameObject.scrollFactorY === 0);

        if (pointer) {
            if (useScreenXY) {
                return mainTest(gameObject, pointer.x, pointer.y, preTest, postTest);

            } else {
                worldXY = GetPointerWorldXY(pointer, mainCamera, true);
                if (!worldXY) {
                    return false;
                }
                return mainTest(gameObject, worldXY.x, worldXY.y, preTest, postTest);

            }

        } else {
            var inputManager = gameObject.scene.input.manager;
            var pointersTotal = inputManager.pointersTotal;
            var pointers = inputManager.pointers;
            for (var i = 0; i < pointersTotal; i++) {
                pointer = pointers[i];

                if (useScreenXY) {
                    if (mainTest(gameObject, pointer.x, pointer.y, preTest, postTest)) {
                        return true;
                    }

                } else {
                    worldXY = GetPointerWorldXY(pointer, mainCamera, true);
                    if (!worldXY) {
                        continue;
                    }

                    if (mainTest(gameObject, worldXY.x, worldXY.y, preTest, postTest)) {
                        return true;
                    }

                }

            }
            return false;

        }};

    var IsPointerInBounds = function (gameObject, pointer, preTest, postTest) {
        return PointerTest(gameObject, pointer, IsPointInBounds, preTest, postTest)
    };

    const SceneClass = Phaser.Scene;
    var IsSceneObject = function (object) {
        return (object instanceof SceneClass);
    };

    var Clear = function (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;
    };

    class TouchGroup {
        constructor(game) {
            if (IsSceneObject(game)) {
                game = game.game;
            }
            this.ticker = game.loop;
            this.topObjects = {};
        }

        destroy() {
            this.ticker = undefined;
            this.topObjects = undefined;
        }

        isAtTop(groupName, key) {
            var result;
            var tick = this.ticker.frame;
            var item = this.topObjects[groupName];
            if (item) {
                if (item.tick < tick) {
                    result = true;
                } else if (item.tick === tick) {
                    result = (key !== undefined) && (item.key === key);
                } else {
                    result = false;
                }
                if (result) {
                    item.tick = tick;
                    item.key = key;
                }
            } else {
                this.topObjects[groupName] = {
                    tick: tick,
                    key: key
                };
                result = true;
            }
            return result;
        }

        clear() {
            Clear(this.topObjects);
            return this;
        }
    }

    class TouchHelperPlugin extends Phaser.Plugins.BasePlugin {
        constructor(pluginManager) {
            super(pluginManager);
        }

        start() {
            var eventEmitter = this.game.events;
            eventEmitter.on('destroy', this.destroy, this);

            this.touchGroup = new TouchGroup(this.game);
        }

        destroy() {
            this.touchGroup.destroy();
            super.destroy();
        }

        isAtTop(groupName, key) {
            return this.touchGroup.isAtTop(groupName, key);
        }
    }

    var methods = {
        hitTest: HitTest$1,
        isPointerInHitArea: IsPointerInHitArea,
        isPointerInBounds: IsPointerInBounds,
    };

    // mixin
    Object.assign(
        TouchHelperPlugin.prototype,
        methods
    );

    return TouchHelperPlugin;

}));