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// if( gcv_CurveParam.x == 10.0 && gcv_CurveParam.y == 10.0 ) {
if( gcv_CurveParam.z > 0.0 ) {
// pass-1: AA Lines
#if 1
// float dist = sqrt( gcv_CurveParam.x*gcv_CurveParam.x + gcv_CurveParam.y*gcv_CurveParam.y ); // magnitude
float dist = sqrt( gcv_CurveParam.y*gcv_CurveParam.y ); // magnitude
// float a = 1.0 - smoothstep (gcv_CurveParam.y-gcv_CurveParam.z, gcv_CurveParam.y, dist);
float r = gcv_CurveParam.x/3.0;
float wa = gcv_CurveParam.x+r;
float waHalf = wa/2.0;
float a = 1.0 - smoothstep (waHalf-2.0*r, waHalf, dist);
// mgl_FragColor = vec4(gcu_ColorStatic.rgb, gcu_ColorStatic.a * a);
mgl_FragColor = vec4(0, 0, 1.0, gcu_ColorStatic.a * a);
#else
mgl_FragColor = vec4(0, 0, 1.0, 1.0);
#endif
} else
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