我有一个计算机科学项目,我必须用P5 Play制作一台老虎机,但我一直收到这个错误:
SecurityError:从‘Window’读取命名属性‘Add’失败:阻止源为"https://preview.p5js.org""的帧访问跨源帧.
以下是我的代码:
//Load all images and create all of the groups/sprites
function preload() {
a = loadImage("Images/Seven.jpg");
b = loadImage("Images/bell.jpg");
c = loadImage("Images/grape.jpg");
d = loadImage("Images/onebar.jpg");
e = loadImage("Images/threebar.jpg");
f = loadImage("Images/twobar.jpg");
top = new Group();
bottom = new Group();
middle = new Group();
machine = new Sprite(0, 450, "static");
machine1 = new Sprite(0, 50);
machine.layer = 3;
machine1.layer = 3;
machine.visible = false;
machine1.visible = false;
machine1.collider = "none";
}
//Generate random sprites for the middle row
function ifListMid() {
let randomize = Math.floor(random() * 6 + 1);
if (randomize == 1) {
bell = new Sprite();
middle.add(bell);
bell.addImage("normal", b);
bell.scale = 0.03;
bell.layer = 2;
}
if (randomize == 2) {
grape = new Sprite();
middle.add(grape);
grape.addImage("normal", c);
grape.scale = 0.03;
grape.layer = 2;
}
if (randomize == 3) {
seven = new Sprite();
middle.add(seven);
seven.addImage("normal", a);
seven.scale = 0.03;
seven.layer = 2;
}
if (randomize == 4) {
onebar = new Sprite();
middle.add(onebar);
onebar.addImage("normal", d);
onebar.scale = 0.04;
onebar.layer = 2;
}
if (randomize == 5) {
twobar = new Sprite();
middle.add(twobar);
twobar.addImage("normal", f);
twobar.scale = 0.034;
twobar.layer = 2;
}
if (randomize == 6) {
threebar = new Sprite();
middle.add(threebar);
threebar.addImage("normal", e);
threebar.scale = 0.03;
threebar.layer = 2;
}
}
//Generate random sprites for the top side
function ifListTop() {
let randomize = Math.floor(random() * 6 + 1);
if (randomize == 1) {
bell = new Sprite();
top.add(bell);
bell.addImage("normal", b);
bell.scale = 0.03;
bell.layer = 2;
}
if (randomize == 2) {
grape = new Sprite();
top.add(grape);
grape.addImage("normal", c);
grape.scale = 0.03;
grape.layer = 2;
}
if (randomize == 3) {
seven = new Sprite();
top.add(seven);
seven.addImage("normal", a);
seven.scale = 0.03;
seven.layer = 2;
}
if (randomize == 4) {
onebar = new Sprite();
top.add(onebar);
onebar.addImage("normal", d);
onebar.scale = 0.04;
onebar.layer = 2;
}
if (randomize == 5) {
twobar = new Sprite();
top.add(twobar);
twobar.addImage("normal", f);
twobar.scale = 0.034;
twobar.layer = 2;
}
if (randomize == 6) {
threebar = new Sprite();
top.add(threebar);
threebar.addImage("normal", e);
threebar.scale = 0.03;
threebar.layer = 2;
}
}
//Generate random sprites for the bottom row
function ifListBottom() {
let randomize = Math.floor(random() * 6 + 1);
if (randomize == 1) {
bell = new Sprite();
bottom.add(bell);
bell.addImage("normal", b);
bell.scale = 0.03;
bell.layer = 2;
}
if (randomize == 2) {
grape = new Sprite();
bottom.add(grape);
grape.addImage("normal", c);
grape.scale = 0.03;
grape.layer = 2;
}
if (randomize == 3) {
seven = new Sprite();
bottom.add(seven);
seven.addImage("normal", a);
seven.scale = 0.03;
seven.layer = 2;
}
if (randomize == 4) {
onebar = new Sprite();
bottom.add(onebar);
onebar.addImage("normal", d);
onebar.scale = 0.04;
onebar.layer = 2;
}
if (randomize == 5) {
twobar = new Sprite();
bottom.add(twobar);
twobar.addImage("normal", f);
twobar.scale = 0.034;
twobar.layer = 2;
}
if (randomize == 6) {
threebar = new Sprite();
bottom.add(threebar);
threebar.addImage("normal", e);
threebar.scale = 0.03;
threebar.layer = 2;
}
}
function setup() {
//Create the canvas
new Canvas(500, 500);
//Set background color
background(255, 255, 255);
//Set frame rate
setFrameRate = 60;
machine.width = 1000;
machine.height = 150;
machine.color = "black";
machine1.width = 1000;
machine1.height = 150;
machine1.color = "black";
//Call all the function
for (let i = 0; i < 3; i++) {
ifListMid();
ifListTop();
ifListBottom();
}
//Set position to the middle row sprites
middle[0].x = 125;
middle[0].y = 250;
middle[1].x = 250;
middle[1].y = 250;
middle[2].x = 375;
middle[2].y = 250;
//Set position to the top sprites
top[0].x = 125;
top[0].y = 160;
top[1].x = 250;
top[1].y = 160;
top[2].x = 375;
top[2].y = 160;
//Set position for the bottom sprites
bottom[0].x = 125;
bottom[0].y = 340;
bottom[1].x = 250;
bottom[1].y = 340;
bottom[2].x = 375;
bottom[2].y = 340;
}
我已经为此努力了一个多小时,但我还是想不出办法,有人能帮我吗?
我试着在网上找到有关它的信息,但几乎没有解决我的问题的办法.