sugi-cho · August 14, 2018 07:36
diff --git a/QuadWire.shader b/QuadWire.shader
 half wire(half2 uv) {
  half2 d = fwidth(uv);
  half2 a2 = smoothstep(half2(0, 0), d*1.0, uv);
  half w = 1.0 - min(a2.x, a2.y);
  return w;
 }

 fixed4 frag(v2f i) : SV_Target
 {
  float2 uv = frac(i.uv * 20);
  half w = max(wire(uv), wire(1 - uv));

  return w;
 }
diff --git a/QuadWire_img.png b/QuadWire_img.png
	half wire(half2 uv) {
	half2 d = fwidth(uv);
	half2 a2 = smoothstep(half2(0, 0), d*1.0, uv);
	half w = 1.0 - min(a2.x, a2.y);
	return w;
	}

	fixed4 frag(v2f i) : SV_Target
	{
	float2 uv = frac(i.uv * 20);
	half w = max(wire(uv), wire(1 - uv));

	return w;
	}