OnEvaluate()

void ShaderOutputNode::OnEvaluate ( GLSLFunction *  function, GLSLLine *  line  )

overridevirtual

Implements SNENode.

Definition at line 5 of file ShaderOutputNode.cpp.

{
    if (inputPins[0]->IsLinked())
    {
        GLSLLine ln("");
        inputPins[0]->other->Evaluate(GetParams(function, &ln));
        line->line = ln.line;
    }
 
    else
    {
        function->AddLine(GLSLLine("vec3 " + VAR("norm") + " = normalize(Normal);"));
        function->AddLine(GLSLLine("vec3 " + VAR("lightDir") + " = normalize(_LightPosition - FragPos.xyz );"));
        function->AddLine(GLSLLine("float " + VAR("diff") + " = max(dot(" + VAR("norm") + ", " + VAR("lightDir") + "), 0.0f);"));
        function->AddLine(GLSLLine("vec3 " + VAR("diffuse") + " = " + VAR("diff") + " * _LightColor;"));
        function->AddLine(GLSLLine("vec3 " + VAR("result") + " = (vec3(0.2, 0.2, 0.2) + " + VAR("diffuse") + ")" + \
                                   " * vec3(" + SDATA(0) + ", " + SDATA(1) + ", " + SDATA(2) + ");"));
        line->line = VAR("result");
    }
}