Learn how to change the look of the halftone pattern with different blend modes. View the Shadertoy demo to see it in action, and change the options.

See part one for how to create the halftone shader.

Overlay

fragColour.rgb = Overlay(pixel.rgb, vec3(c));

Overlay greyscale

fragColour.rgb = Overlay(vec3(greyResult), vec3(c));

Screen blend

fragColour.rgb = ScreenBlend(pixel.rgb, vec3(c));

Screen blend greyscale

fragColour.rgb = ScreenBlend(vec3(greyResult), vec3(c));

Circle distance

fragColour.rgb = vec3(c);

Mix

fragColour.rgb = mix(COL1, COL2, c);

Shadertoy

Full Shadertoy code and demo available here.

Conclusion

Thank you for reading this tutorial. Let me know in the comments section if you enjoyed it, or have any questions!