#version 150

uniform sampler2D tex0;

in vec2 tex_c;

out vec4 outputColor;

float hash13(vec3 p3) {
	p3  = fract(p3 * .1031);
    p3 += dot(p3, p3.yzx + 19.19);
    return fract((p3.x + p3.y) * p3.z);
}

void main()
{
    vec4 texColor = texture(tex0, tex_c);    

    // Discard fragments with alpha below a threshold
    if (texColor.a < 0.1) {
        discard;
    }
    
    outputColor = texColor;
}