LOD0

Specifications

• File type: GLTF

• File size: < 2MB (Should be as small as possible)

• Triangles: < 12,500 max (Should be as small as possible)

• Texture: 1024x1024 max size

• Image Texture: Emissive (not shader allowed)

Characteristics

• Transform Y Up

• Mesh should include tangents, normals, UVs

• Compression level: 6

Objects

• No Light objects

• No Camera objects

• No Empty objects

• No Animation objects

Positioning

• Origin: [0, 0, 0]

• Scale: [1, 1, 1]

• Rotation: [0, 0, 0]

• Max X Offset (width): 0.01

• Max Y Offset (height): 0.01

• Max Z Offset (length): 0.01

Materials

• Besides the 4 mandatory materials from structures you should include one extra for the ornament (5 total)

• Roof labeled ‘primary’ (Should be white with Ambient Occlusion)

• Walls labeled ‘secondary’(Should be white with Ambient Occlusion)

• Details labeled ‘details’(Should be white with Ambient Occlusion)

• Other labeled ‘other’’ (Should be texturized or colored)

• Ambient Occlusion must be baked in the main material

• Material Alpha (opacity): 1.0

• No duplicated materials

• Texture format: JPEG

• Texture map must be baked

UV Maps

• Do not leave unused areas

• Avoid stretched images

• If the model is symmetrical or has any repeated mesh or shape, these should be overlapped

• Include a 10px bleed for the UV islands

• Any UV island with flat colors/textures should be overlapped

• Keep UV island size relatively scale according to the actual size of the area

• Avoid any stretched or curved sections for cylindrical shapes UV map