Retro-reflective tape material (cycles)

  • April 06, 2014
  • 656 Downloads
  • 10 Likes
  • Blender 2.7x
  • Render: Cycles
  • Creator: Moony
  • License: CC-BY
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Description:

This is a cycles material which aims to recreate the retroreflective tape you see on emergency vehicles etc. The first image show the material under diffuse light only - whereas the second image shows what the material looks like with a lamp directly behind the camera.

For neutral colours keep RGB values below 1 (e.g. for white/grey tape RGB = 0.8, 0.8, 0.8) - however if you want flourescent colours boost the RGB values above 1 (e.g. for green RBG = 0.8, 2.0, 0 - Orange = 2.0, 0.5, 0)

Note - this material does not emit light - it uses the "incoming" slot of the Geometry node to reflect light back to its source. To see the retroreflective effect - the light source has to be "on axis" (i.e. on a line drawn between the object and camera).

Note - to get the patterened effect (i.e. the hexes) you'll need to find a suitable tileable texture.

Comments:

  • Cesium666 profile picture
    Cesium666

    Nice color, can be very usefull

    Written April 07, 2014
  • elbrujodelatribu profile picture
    elbrujodelatribu

    Great material @Moony , thanks for sharing!

    Written April 08, 2014
  • FayZee profile picture
    FayZee

    Thanks for the explanation.

    Written April 08, 2014
  • TeckFreak profile picture
    TeckFreak

    Hi @Moony. The pics look nice indeed, but you lost your reflectivity-map. If you happen to upload stuff using images you may want to run "bpy.ops.file.pack_all()" or "bpy.ops.image.pack(as_png=False)" in blenders console, to pack those into the file. Happy blending :-)

    Written October 19, 2016
  • phillipPbor profile picture
    phillipPbor

    um... well... I think... do the edges glow?

    Written January 30, 2017