Obj.emissionRate = parseFloat(newValue);
                        }
                        if (name === 'particleSize') {
                            var particleSize = parseFloat(newValue);
                            fireObj.minimumImageSize.x = particleSize;
                            fireObj.minimumImageSize.y = particleSize;
                            fireObj.maximumImageSize.x = particleSize;
                            fireObj.maximumImageSize.y = particleSize;
                            //图像�