uniform float iGlobalTime;
uniform sampler2D diffuse;


float blendReflect(float base, float blend) {
	return (blend==1.0)?blend:min(base*base/(1.0-blend),1.0);
}

vec3 blendReflect(vec3 base, vec3 blend) {
	return vec3(blendReflect(base.r,blend.r),blendReflect(base.g,blend.g),blendReflect(base.b,blend.b));
}

vec3 blendReflect(vec3 base, vec3 blend, float opacity) {
	return (blendReflect(base, blend) * opacity + base * (1.0 - opacity));
}

vec3 blendGlow(vec3 base, vec3 blend) {
	return blendReflect(blend,base);
}

vec3 blendGlow(vec3 base, vec3 blend, float opacity) {
	return (blendGlow(base, blend) * opacity + base * (1.0 - opacity));
}

void getEmission() {
    // vec2 p = -1.0 + 2.0 * vUv0;

    // // main code, *original shader by: 'Plasma' by Viktor Korsun (2011)
    // float x = p.x;
    // float y = p.y;
    // float mov0 = x+y+cos(sin(iGlobalTime)*2.0)*100.+sin(x/100.)*1000.;
    // float mov1 = y / 0.9 +  iGlobalTime;
    // float mov2 = x / 0.2;
    // float c1 = abs(sin(mov1+iGlobalTime)/2.+mov2/2.-mov1-mov2+iGlobalTime);
    // float c2 = abs(sin(c1+sin(mov0/1000.+iGlobalTime)+sin(y/40.+iGlobalTime)+sin((x+y)/100.)*3.));
    // float c3 = abs(sin(c2+cos(mov1+mov2+c2)+cos(mov2)+sin(x/1000.)));




    vec3 diff = texture2D(diffuse, vUv0).rgb;
    //float b = abs(sin(iGlobalTime*1.5));

    //vec3 o = mix(diff, vec3(0.525, 0.858, 1), iGlobalTime);

    vec3 emissive = mix(vec3(0, 0, 0), vec3(0.525, 0.858, 1), iGlobalTime);

    dEmission = emissive;
}