*mirror on tex

problem de mirroring when the glsl is apply to texture... the problem is from PGraphics and PImage don't have the same behavior, and PImage came a PGraphics and reverse the rendering...

*blur radial

the strenght and scale is not really good, no real effect must be improve.

*grain

must be improve to create a big grain, not just a little noise

*OPTIMISATION

fx__setting_class_and_method.pde

prepare your setting can be shorter, optimize algo when this one is a same for vec3, vec4 and vec2