Adding KHR_materials_retroreflection example#285
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This sample asset accompanies KhronosGroup/glTF#2610, which proposes the KHR_materials_retroreflection extension.
The scene contains two traffic cones side by side: one with a retroreflective material using both retroreflectionFactor and retroreflectionTexture, and one without the extension for comparison. The retroreflective cone brightens significantly when the light and camera directions are closely aligned, which is the characteristic appearance of real-world retroreflective materials such as high-visibility clothing and road markings.
Rendered with vk_gltf_renderer.