[]粒子动画透明度问题

我们测试了啊，并不会这样

你把part文件发我看看，
 
附件是上传一下我的

我也遇到了，麻烦回应一下什么问题

也是遇到，粒子会有类似发白光的效果，怎么去掉

拷贝替换......................................................
 //class laya.particle.shader.ParticleShader extends laya.webgl.shader.Shader
var ParticleShader=(function(_super){
    function ParticleShader(){
        ParticleShader.__super.call(this,ParticleShader.vs,ParticleShader.ps,"ParticleShader");
    } 
    __class(ParticleShader,'laya.particle.shader.ParticleShader',_super);
    __static(ParticleShader,
    ['vs',function(){return this.vs="attribute vec4 a_CornerTextureCoordinate;\nattribute vec3 a_Position;\nattribute vec3 a_Velocity;\nattribute vec4 a_StartColor;\nattribute vec4 a_EndColor;\nattribute vec3 a_SizeRotation;\nattribute vec2 a_Radius;\nattribute vec4 a_Radian;\nattribute float a_AgeAddScale;\nattribute float a_Time;\n\nvarying vec4 v_Color;\nvarying vec2 v_TextureCoordinate;\n\nuniform float u_CurrentTime;\nuniform float u_Duration;\nuniform float u_EndVelocity;\nuniform vec3 u_Gravity;\n\n#ifdef PARTICLE3D\n uniform mat4 u_WorldMat;\n uniform mat4 u_View;\n uniform mat4 u_Projection;\n uniform vec2 u_ViewportScale;\n#else\n uniform vec2 size;\n uniform mat4 mmat;\n uniform mat4 u_mmat;\n#endif\n\nvec4 ComputeParticlePosition(in vec3 position, in vec3 velocity,in float age,in float normalizedAge)\n{\n\n float startVelocity = length(velocity);//起始标量速度\n float endVelocity = startVelocity * u_EndVelocity;//结束标量速度\n\n float velocityIntegral = startVelocity * normalizedAge +(endVelocity - startVelocity) * normalizedAge *normalizedAge/2.0;//计算当前速度的标量（单位空间），vt=v0*t+(1/2)*a*(t^2)\n \n vec3 addPosition = normalize(velocity) * velocityIntegral * u_Duration;//计算受自身速度影响的位置，转换标量到矢量 \n addPosition += u_Gravity * age * normalizedAge;//计算受重力影响的位置\n \n float radius=mix(a_Radius.x, a_Radius.y, normalizedAge); //计算粒子受半径和角度影响（无需计算角度和半径时，可用宏定义优化屏蔽此计算）\n float radianHorizontal =mix(a_Radian.x,a_Radian.z,normalizedAge);\n float radianVertical =mix(a_Radian.y,a_Radian.w,normalizedAge);\n \n float r =cos(radianVertical)* radius;\n addPosition.y += sin(radianVertical) * radius;\n   \n addPosition.x += cos(radianHorizontal) *r;\n addPosition.z += sin(radianHorizontal) *r;\n \n #ifdef PARTICLE3D\n position+=addPosition;\n return u_Projection*u_View*u_WorldMat*(vec4(position, 1.0));\n #else\n addPosition.y=-addPosition.y;//2D粒子位置更新需要取负，2D粒子坐标系Y轴正向朝上\n position+=addPosition;\n return vec4(position,1.0);\n #endif\n}\n\nfloat ComputeParticleSize(in float startSize,in float endSize, in float normalizedAge)\n{ \n float size = mix(startSize, endSize, normalizedAge);\n \n #ifdef PARTICLE3D\n //Project the size into screen coordinates.\n return size * u_Projection[1][1];\n    #else\n  return size;\n #endif\n}\n\nmat2 ComputeParticleRotation(in float rot,in float age)\n{ \n float rotation =rot * age;\n //计算2x2旋转矩阵.\n float c = cos(rotation);\n float s = sin(rotation);\n return mat2(c, -s, s, c);\n}\n\nvec4 ComputeParticleColor(in vec4 startColor,in vec4 endColor,in float normalizedAge)\n{\n   vec4 color=mix(startColor,endColor,normalizedAge);\n //硬编码设置，使粒子淡入很快，淡出很慢,6.7的缩放因子把置归一在0到1之间，可以谷歌x*(1-x)*(1-x)*6.7的制图表\n \n return color;\n}\n\nvoid main()\n{\n float age = u_CurrentTime - a_Time;\n age *= 1.0 + a_AgeAddScale;\n float normalizedAge = clamp(age / u_Duration,0.0,1.0);\n gl_Position = ComputeParticlePosition(a_Position, a_Velocity, age, normalizedAge);//计算粒子位置\n float pSize = ComputeParticleSize(a_SizeRotation.x,a_SizeRotation.y, normalizedAge);\n mat2 rotation = ComputeParticleRotation(a_SizeRotation.z, age);\n \n #ifdef PARTICLE3D\n    gl_Position.xy += (rotation*a_CornerTextureCoordinate.xy) * pSize * u_ViewportScale;\n #else\n mat4 mat=u_mmat*mmat;\n gl_Position=vec4((mat*gl_Position).xy,0.0,1.0);\n    gl_Position.xy += (rotation*a_CornerTextureCoordinate.xy) * pSize*vec2(mat[0][0],mat[1][1]);\n gl_Position=vec4((gl_Position.x/size.x-0.5)*2.0,(0.5-gl_Position.y/size.y)*2.0,0.0,1.0);\n #endif\n \n v_Color = ComputeParticleColor(a_StartColor,a_EndColor, normalizedAge);\n v_TextureCoordinate =a_CornerTextureCoordinate.zw;\n}\n\n";},'ps',function(){return this.ps="#ifdef FSHIGHPRECISION\nprecision highp float;\n#else\nprecision mediump float;\n#endif\n\nvarying vec4 v_Color;\nvarying vec2 v_TextureCoordinate;\nuniform sampler2D u_texture;\n\nvoid main()\n{ \n  gl_FragColor=texture2D(u_texture,v_TextureCoordinate)*v_Color;\n    gl_FragColor.xyz *= v_Color.w;\n}";}
    ]);
    return ParticleShader;
})(Shader)

我也遇到了 ，请问怎么解决  2.6.0 的版本