Matériaux

• Sélectionner un objet (une mesh)
• Le sol
• Properties > Material (Icône : Sphère rouge)
• New material
• Renommer le nouveau matériau ("Sol")
• Changer la couleur :
• Onglet Surface : Base color : cliquer dans le bouton couleur

Transparence

• Eevee
• https://blender.stackexchange.com/questions/81851/does-transparency-work-in-eevee
• Render → Screen Space Reflections - On
• Render → Screen Space Reflections → Refraction - On
• Material → Surface → Principled BSDF → Transmission - 1.000
• Material → Surface → Principled BSDF → Roughness - Adjust to your needs
• Material → Settings → Blend Mode - Opaque
• Material → Settings → Screen Space Refraction - ON
• Material → Settings → Refraction Depth - Adjust to your needs, I generally suggest 0.8, but depends on the thickness of the object

+

• Specular = 0
• Roughness = 0
• IOR = 1

Alpha

• #Texture transparency
• Pour activer la transparence de la couche alpha d'une image PNG :
• Material => Settings => Blend mode => alpha blend

Texture transparency