帮我写一个Cocos Creator的发送登陆请求的代码

好的，以下是Cocos Creator发送登陆请求的代码示例：

var xhr = new XMLHttpRequest();
xhr.onreadystatechange = function () {
    if (xhr.readyState === 4 && (xhr.status >= 200 && xhr.status < 300)) {
        console.log(xhr.responseText);
    }
};
xhr.open("POST", "http://example.com/login", true);
xhr.setRequestHeader("Content-Type", "application/json;charset=UTF-8");
xhr.send(JSON.stringify({username: "yourUsername", password: "yourPassword"}));

以上代码会向指定的URL发送一个POST请求，请求体中包含用户名和密码，Content-Type为application/json;charset=UTF-8。如果请求成功，控制台会输出服务器返回的响应内容。

相关问题

帮我写一个cocoscreator2.4.x的发光shader

好的，我可以为您提供一个基于 cocoscreator 2.4.x 的发光 shader。以下是代码：

CCEffect %{
    techniques:
    - name: glow
      passes:
      - vert: ccShader_PositionTextureColor_vert
        frag: glow_frag
    }
%}

CCProgram glow {
    CCShader_PositionTextureColor_vert,

    highp vec4 blurSize;

    void main() {
        mat4 mvp;
        CC_USE_MVP(mvp);

        gl_Position = mvp * vec4(a_position, 1);

        v_fragmentColor = a_color;
        v_texCoord = a_texCoord;
    }

    CCShader_Header {
        uniform highp vec4 blurSize;
        varying lowp vec4 v_fragmentColor;
        varying mediump vec2 v_texCoord;
        const highp float glowPow = 2.0;
        const highp float glowStrength = 0.5;
    }

    CCShader glow_frag {
        highp vec4 blurSize;
        highp float blurRadius = 2.0;

        void main() {
            highp vec4 sum = vec4(0.0);
            highp vec2 texcoord = v_texCoord.xy;
            highp vec2 blur = blurSize.xy;
            highp float strength = blurSize.z;
            highp float glow = blurSize.w;
            highp float samples = 8.0;

            highp vec4 col = texture2D(CC_Texture0, texcoord);
            for (highp float i = 0.0; i < samples; i++) {
                highp float angle = i / samples * 3.14159265 * 2.0;
                highp vec2 blurDirection = vec2(sin(angle), cos(angle));
                highp vec4 blurCol = texture2D(CC_Texture0, texcoord + blurDirection * blurRadius * blur);
                sum += blurCol;
            }

            highp vec4 glowCol = sum / samples;
            glowCol = (glowCol - col) * glow * glowPow + col;
            gl_FragColor = mix(col, glowCol, strength) * v_fragmentColor;
        }
    }
}

您可以将此代码添加到您的 cocoscreator 2.4.x 项目中，然后将此 shader 应用于需要发光效果的 sprite 上。希望这可以帮到您！

请帮我写一段可以在cocos creator下面用的代码

你可以尝试用以下代码：// 创建一个精灵
var sprite = new cc.Sprite(res.spriteFrame);
// 设置精灵的位置
sprite.setPosition(cc.p(100, 100));
// 将精灵添加到canvas节点上
this.node.addChild(sprite);