OnEvaluate()

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

overridevirtual

Implements SNENode.

Definition at line 21 of file ShaderTextureNode.cpp.

{
    handler->AddFunction(GetTriplanarBlendFunction());
    function->AddLine(GLSLLine("vec3 " + VAR("tex") + ";", "Variable to store the result"));
    function->AddLine(GLSLLine("if(" + SDATA(4) + " == 1.0)", "If triplanar mapping is enabled"));
    function->AddLine(GLSLLine("{", ""));
    function->AddLine(GLSLLine(""
                               "\tvec3 " + VAR("blending") + " = getTriplanarBlend(Normal);\n"
                               "\t\tvec3 " + VAR("xaxis") + " = texture(_Textures, vec3(FragPos.yz * " + SDATA(0) + " + vec2(" + SDATA(1) + ", " + SDATA(2) + "), " + STR(zCoord) + ")).rgb;\n"
                               "\t\tvec3 " + VAR("yaxis") + " = texture(_Textures, vec3(FragPos.xz * " + SDATA(0) + " + vec2(" + SDATA(1) + ", " + SDATA(2) + "), " + STR(zCoord) + ")).rgb;\n"
                               "\t\tvec3 " + VAR("zaxis") + " = texture(_Textures, vec3(FragPos.xy * " + SDATA(0) + " + vec2(" + SDATA(1) + ", " + SDATA(2) + "), " + STR(zCoord) + ")).rgb;\n"
                               "\t" + VAR("tex") + " = " + VAR("blending") + ".x * " + VAR("xaxis") + " + " + VAR("blending") + ".y * " + VAR("yaxis") + " + " + VAR("blending") + ".z * " + VAR("zaxis") + ";\n"
                               , ""));
    function->AddLine(GLSLLine("}", ""));
    function->AddLine(GLSLLine("else", "If texture is not triplanar mapped just sample texture normally"));
    function->AddLine(GLSLLine("{", ""));
    function->AddLine(GLSLLine(""
                               "\t" + VAR("tex") + " = texture(_Textures, vec3(TexCoord * " + SDATA(0) + " + vec2(" + SDATA(1) + ", " + SDATA(2) + "), " + STR(zCoord) + ")).rgb;\n"));
    function->AddLine(GLSLLine("}", ""));
    line->line = VAR("tex");
}