vector4 GrabPassRGBa(vector3 Normalmap, vector1 Refr_power); vector3 GrabPassRGB(vector3 Normalmap, vector1 Refr_power);
Input Normal map.Refr power
Value of the refractive power of the received image based on Normal map.
This node grabs the contents of the screen where the object is about to be drawn into a texture. This texture can be used in subsequent passes to do advanced image based effects.