我最近在我的游戏中添加了一个新场景，我正在测试从以前制作的场景到它。但是，虽然我可以在之前制作的 3 个场景之间切换，但当我切换到新场景时，游戏会出错并卡住。
这是以前制作的场景的代码。场景切换中涉及的代码使得当玩家移动到场景一侧的不可见精灵时，游戏会切换到相邻的精灵。
class DiningRoom extends Phaser.Scene {
constructor() {
super('diningRoom');
}
preload() {
this.load.image('diningRoom', "assets/diningRoom.png");
this.load.image('testGround', "assets/testGround.png");
this.load.image('chairSeatSide', "assets/chairSeatSide.png");
this.load.image('tableSurface', "assets/tableSurface.png");
this.load.image('needle', "assets/needle.png");
this.load.image('ropeCoil', "assets/ropeCoil.png");
this.load.image('stool', "assets/stool.png");
this.load.spritesheet('PeefSide', "assets/PeefSide.png", { frameWidth: 50, frameHeight: 60 });
this.load.image('clearDoor', "assets/clearDoor.png");
}
create() {
let width = config.width;
let height = config.height;
this.physics.world.gravity.y = 1000;
this.keyA = this.input.keyboard.addKey(Phaser.Input.Keyboard.KeyCodes.A);
this.keyD = this.input.keyboard.addKey(Phaser.Input.Keyboard.KeyCodes.D);
this.keyW = this.input.keyboard.addKey(Phaser.Input.Keyboard.KeyCodes.W);
this.keyT = this.input.keyboard.addKey(Phaser.Input.Keyboard.KeyCodes.T);
this.keyG = this.input.keyboard.addKey(Phaser.Input.Keyboard.KeyCodes.G);
this.keyV = this.input.keyboard.addKey(Phaser.Input.Keyboard.KeyCodes.V);
this.bg = this.add.tileSprite(0, 0, game.config.width, game.config.height, 'diningRoom').setOrigin(0, 0);
this.ground = this.physics.add.sprite(800, 864, 'testGround');
this.ground.body.immovable = true;
this.ground.body.allowGravity = false;
this.platforms = this.add.group();
this.farLeftChair = this.physics.add.sprite(140, 488, 'chairSeatSide');
this.farLeftChair.body.immovable = true;
this.farLeftChair.body.allowGravity = false;
this.platforms.add(this.farLeftChair);
this.farRightChair = this.physics.add.sprite(1480, 488, 'chairSeatSide');
this.farRightChair.body.immovable = true;
this.farRightChair.body.allowGravity = false;
this.platforms.add(this.farRightChair);
this.tableTop = this.physics.add.sprite(816, 322, 'tableSurface');
this.tableTop.body.immovable = true;
this.tableTop.body.allowGravity = false;
this.platforms.add(this.tableTop);
this.needleOne = this.physics.add.sprite(300, 270, 'needle');
this.rope = this.physics.add.sprite(130, 430, 'ropeCoil');
this.doorLeft = this.physics.add.sprite(14.5, 735, 'clearDoor');
this.doorLeft.body.immovable = true;
this.doorLeft.body.allowGravity = false;
this.doorRight = this.physics.add.sprite(1585, 735, 'clearDoor');
this.doorRight.body.immovable = true;
this.doorRight.body.allowGravity = false;
this.p1 = this.physics.add.sprite(1535, 730, 'PeefSide');
this.p1.setCollideWorldBounds(true);
this.p1.setFlip(true, false);
this.stool = this.physics.add.sprite(1350, 730, 'stool');
this.stool.body.immovable = true;
this.stool.body.allowGravity = false;
this.physics.add.collider(this.p1, this.ground);
this.physics.add.collider(this.p1, this.platforms);
this.physics.add.collider(this.p1, this.stool);
this.physics.add.collider(this.needleOne, this.platforms);
this.physics.add.collider(this.rope, this.platforms);
this.anims.create({
key: 'walk',
frames: this.anims.generateFrameNumbers('PeefSide', { start: 0, end: 7, first: 0 }),
frameRate: 10,
repeat: -1
});
this.anims.create({
key: 'idle',
frames: [{ key: 'PeefSide', frame: 0 }],
});
}
update() {
if (this.keyA.isDown) {
this.p1.setVelocityX(-200);
this.p1.setFlip(true, false);
this.p1.anims.play('walk', true);
}
else if (this.keyD.isDown) {
this.p1.setVelocityX(200);
this.p1.resetFlip();
this.p1.anims.play('walk', true);
}
else {
this.p1.setVelocityX(0);
this.p1.anims.play('idle', true);
}
if (this.checkCollision(this.p1, this.farLeftChair) && Phaser.Input.Keyboard.JustDown(this.keyW)) {
this.p1.body.setVelocityY(-650);
console.log(this.p1.velocityY);
console.log("1");
}
if (this.checkCollision(this.p1, this.farRightChair) && Phaser.Input.Keyboard.JustDown(this.keyW)) {
this.p1.body.setVelocityY(-650);
console.log(this.p1.velocityY);
console.log("2");
}
if (this.checkCollision(this.p1, this.stool) && this.p1.y <= this.stool.y && Phaser.Input.Keyboard.JustDown(this.keyW)) {
this.p1.body.setVelocityY(-800);
console.log(this.p1.velocityY);
console.log("3");
}
if (this.p1.body.touching.down && Phaser.Input.Keyboard.JustDown(this.keyW)) {
this.p1.body.setVelocityY(-500);
console.log(this.p1.velocityY);
console.log("4");
}
if (this.checkCollision(this.p1, this.doorLeft)) {
this.p1.x = 55;
this.scene.switch('stairRoom');
}
if (this.checkCollision(this.p1, this.doorRight)) {
this.p1.x = 1535;
this.scene.switch('livingRoom');
}
if (this.checkCollision(this.p1, this.needleOne) && Phaser.Input.Keyboard.JustDown(this.keyT)) {
inventory.push("needleOne");
this.needleOne.destroy();
}
if (this.checkCollision(this.p1, this.rope) && Phaser.Input.Keyboard.JustDown(this.keyT)) {
inventory.push("rope");
this.rope.destroy();
}
//if (Phaser.Input.Keyboard.JustDown(this.keyV)){
// inventory.splice(inventory.indexOf("neeldeOne"));
//}
}
checkCollision(a, b) {
// simple AABB checking
if ((a.x < b.x + b.width &&
a.x + a.width > b.x &&
a.y < b.y + b.height &&
a.height + a.y > b.y)) {
return true;
}
else {
return false;
}
}
has(item) {
this.space = 0;
this.result = false
while (this.space < inventory.length) {
if (inventory[this.space] == item) {
this.result = true;
break;
}
else {
this.space += 1;
}
}
return this.result;
}
}
这是我添加的新场景的代码。
class TVRoom extends Phaser.Scene {
constructor() {
super('tvRoom');
}
preload() {
this.load.image('tvRoom', "assets/tvRoom.png");
this.load.image('testGround', "assets/testGround.png");
this.load.image('couchCushion', "assets/couchCushion.png");
this.load.spritesheet('PeefSide', "assets/PeefSide.png", { frameWidth: 50, frameHeight: 60, startFrame: 0, endFrame: 7 });
this.load.image('clearDoor', "assets/clearDoor.png");
this.load.image('testItem', "assets/testItem.png");
}
create() {
let width = config.width;
let height = config.height;
this.physics.world.gravity.y = 1000;
this.keyA = this.input.keyboard.addKey(Phaser.Input.Keyboard.KeyCodes.A);
this.keyD = this.input.keyboard.addKey(Phaser.Input.Keyboard.KeyCodes.D);
this.keyW = this.input.keyboard.addKey(Phaser.Input.Keyboard.KeyCodes.W);
this.keyT = this.input.keyboard.addKey(Phaser.Input.Keyboard.KeyCodes.T);
this.keyG = this.input.keyboard.addKey(Phaser.Input.Keyboard.KeyCodes.G);
this.keyV = this.input.keyboard.addKey(Phaser.Input.Keyboard.KeyCodes.V);
this.bg = this.add.tileSprite(0, 0, game.config.width, game.config.height, 'tvRoom').setOrigin(0, 0);
this.ground = this.physics.add.sprite(800, 864, 'testGround');
this.ground.body.immovable = true;
this.ground.body.allowGravity = false;
this.platforms = this.add.group();
this.doorLeft = this.physics.add.sprite(14.5, 735, 'clearDoor');
this.doorLeft.body.immovable = true;
this.doorLeft.body.allowGravity = false;
this.doorRight = this.physics.add.sprite(1585, 735, 'clearDoor');
this.doorRight.body.immovable = true;
this.doorRight.body.allowGravity = false;
//this.hammer = this.physics.add.sprite(700, 735, 'testItem');
//this.stiches = this.physics.add.sprite(1400, 730, 'stiches');
//this.goodLamb = this.physics.add.sprite(1460, 730, 'goodLamb');
//this.goodLamb.setFlip(true, false);
this.p1 = this.physics.add.sprite(55, 730, 'PeefSide');
this.p1.setCollideWorldBounds(true);
this.physics.add.collider(this.p1, this.ground);
this.physics.add.collider(this.stiches, this.ground);
this.physics.add.collider(this.goodLamb, this.ground);
this.physics.add.collider(this.p1, this.platforms);
this.physics.add.collider(this.spool, this.platforms);
this.line1 = this.add.text(880, 790, ' ', { font: '20px Futura', fill: '#FFFFFF' }).setOrigin(0.5);
this.line2 = this.add.text(880, 840, ' ', { font: '20px Futura', fill: '#FFFFFF' }).setOrigin(0.5);
this.talking = false;
this.anims.create({
key: 'walk',
frames: this.anims.generateFrameNumbers('PeefSide', { start: 0, end: 7, first: 0 }),
frameRate: 10,
repeat: -1
});
this.anims.create({
key: 'idle',
frames: [{ key: 'PeefSide', frame: 0 }],
});
}
update() {
if (this.keyA.isDown && this.talking == false) {
this.p1.setVelocityX(-200);
this.p1.setFlip(true, false);
this.p1.anims.play('walk', true);
}
else if (this.keyD.isDown && this.talking == false) {
this.p1.setVelocityX(200);
this.p1.resetFlip();
this.p1.anims.play('walk', true);
}
else {
this.p1.setVelocityX(0);
this.p1.anims.play('idle', true);
}
if (this.p1.body.touching.down && Phaser.Input.Keyboard.JustDown(this.keyW) && this.talking == false) {
this.p1.body.setVelocityY(-500);
}
if (this.checkCollision(this.p1, this.doorLeft)) {
this.p1.x = 55;
this.scene.switch('livingRoom');
}
//if (this.checkCollision(this.p1, this.doorRight)){
// this.p1.x = 1535;
// this.scene.switch('livingRoom');
//}
/*if (this.checkCollision(this.p1, this.ropeSpot) && Phaser.Input.Keyboard.JustDown(this.keyT)){
if (this.has("rope")){
this.takeOut("rope");
this.ropeSpot.destroy();
this.rope = this.physics.add.sprite(628, 420, 'ropeClimb');
this.rope.body.immovable = true;
this.rope.body.allowGravity = false;
}
}*/
if (Phaser.Input.Keyboard.JustDown(this.keyG)) {
console.log(this.talking);
}
//if (Phaser.Input.Keyboard.JustDown(this.keyV)){
// inventory.splice(inventory.indexOf("spool"));
//}
//if ((this.checkCollision(this.p1, this.goodLamb) || this.checkCollision(this.p1, this.stiches)) && Phaser.Input.Keyboard.JustDown(this.keyT)) {
// this.talking = !this.talking;
//}
/*if (this.talking == true){
if (this.checkCollision(this.p1, this.goodLamb) || this.checkCollision(this.p1, this.stiches)) {
if (this.has("spool") && this.has("needleOne") && this.has("needleTwo")){
this.line1.setText('Good Lamb: Oh, thanks Peef! Now we can fix Stiches!');
this.line2.setText('Peef: Glad to help. I know how painful rips are.');
}
else if (!(this.has("spool")) || !(this.has("needleOne")) || !(this.has("needleTwo"))) {
this.line1.setText('Good Lamb: Help! Stiches ripped herself again! Can you get the sewing supplies?');
this.line2.setText('Peef: Oh gosh! Sit tight Stiches. Ill be back soon!');
}
}
if (this.keyA.isDown || this.keyD.isDown) {
this.p1.setVelocityX(0);
}
if(this.p1.body.touching.down && Phaser.Input.Keyboard.JustDown(this.keyW)) {
this.p1.body.setVelocityY(0);
}
}*/
if (this.talking == false) {
this.line1.setText('');
this.line2.setText('');
}
}
checkCollision(a, b) {
// simple AABB checking
if ((a.x < b.x + b.width &&
a.x + a.width > b.x &&
a.y < b.y + b.height &&
a.height + a.y > b.y)) {
return true;
}
else {
return false;
}
}
collect(item) {
this.space = 0;
while (this.space < 10) {
if (inventory[this.space] == null) {
inventory[this.space] == item;
break;
}
else {
this.space += 1;
}
}
}
has(item) {
this.space = 0;
this.result = false
while (this.space < inventory.length) {
if (inventory[this.space] == item) {
this.result = true;
break;
}
else {
this.space += 1;
}
}
return this.result;
}
takeOut(item) {
this.space = 0;
while (this.space < 10) {
if (inventory[this.space] == item) {
inventory[this.space] == null;
break;
}
else {
this.space += 1;
}
}
}
}
最后，这是我切换到新场景时收到的错误消息
Uncaught TypeError: Cannot read properties of undefined (reading 'isParent')
at World.collideObjects (phaser.js:126291:21)
at Collider.update (phaser.js:129644:20)
at World.update (phaser.js:125511:30)
at EventEmitter.emit (phaser.js:1928:33)
at Systems.step (phaser.js:49066:16)
at SceneManager.update (phaser.js:100289:21)
at Game.step (phaser.js:162805:20)
at TimeStep.step (phaser.js:89366:14)
at step (phaser.js:89613:19)
我不知道这个错误是什么意思，我也没有时间弄明白。一些错误的语言将我指向场景构造函数，但我从另一个场景复制了它，只更改了其中的场景名称。
我确实计划添加更多场景，每次添加新场景时我都不能冒险经历这个。我到底该如何解决这个问题？
如果有帮助，我在 VSCode 中使用 Phaser 3，采用街机物理。
错误显然与移相器物理系统有关。我假设如果你至少删除这些行：
this.physics.add.collider(this.stiches, this.ground);
this.physics.add.collider(this.goodLamb, this.ground);
this.physics.add.collider(this.spool, this.platforms);
提到的错误将消失，因为添加具有
undefinedTipp： 在 Stackoverflow 上，如果您注释掉的代码与问题无关，请将其删除。始终最好尝试遵循本指南如何创建一个最小的、可重现的示例。