phaser4-rex-plugins/plugins/gameobjects/container/containerlite/Mask.js

Plugins of phaser4

// canvas mask only
export default {
    updateChildMask(child) {
        // Don't propagate null mask to clear children's mask
        if (this.mask == null) {
            return this;
        }

        var maskGameObject = (this.mask.hasOwnProperty('geometryMask')) ? this.mask.geometryMask : this.mask.bitmapMask;
        if (maskGameObject !== child) {
            child.mask = this.mask;
        }
        return this;
    },

    syncMask() {
        if (this.syncChildrenEnable) {
            this.children.forEach(this.updateChildMask, this);
        }
        return this;
    },

    setMask(mask) {
        this.mask = mask;
        return this;
    },

    clearMask(destroyMask) {
        if (destroyMask === undefined) {
            destroyMask = false;
        }

        var self = this;

        // Clear current mask
        this._mask = null;

        this.setChildMaskVisible(this);
        // Also set maskVisible to `true`

        this.children.forEach(function (child) {
            // Clear child's mask
            if (child.clearMask) {
                child.clearMask(false);
            }

            if (!child.hasOwnProperty('isRexContainerLite')) {
                self.setChildMaskVisible(child);
                // Set child's maskVisible to `true`
            }
        });

        if (destroyMask && this.mask) {
            this.mask.destroy();
        }

        return this;
    },
};