PhongShader(Vector4 difCoeff, Vector4 specCoeff, double specExp, Vector4 ambCoeff)

Creates a new Phong Shader with the given diffuse, specular and ambient coefficients as well as the given specular exponent.

Source 

PhongShader(this.difCoeff, this.specCoeff, this.specExp, Vector4 ambCoeff) : super(ambCoeff);