ruby0x1

// Modified version of a tilt shift shader from Martin Jonasson (http://grapefrukt.com/)
// Read http://notes.underscorediscovery.com/ for context on shaders and this file
// License : MIT

uniform sampler2D tex0;
varying vec2 tcoord;
varying vec4 color;

    /*
        Take note that blurring in a single pass (the two for loops below) is more expensive than separating