{"action":"created","issue":{"url":"https://api.github.com/repos/mrdoob/three.js/issues/6501","labels_url":"https://api.github.com/repos/mrdoob/three.js/issues/6501/labels{/name}","comments_url":"https://api.github.com/repos/mrdoob/three.js/issues/6501/comments","events_url":"https://api.github.com/repos/mrdoob/three.js/issues/6501/events","html_url":"https://github.com/mrdoob/three.js/issues/6501","id":72695394,"number":6501,"title":"Material ambient color","user":{"login":"Virtual3D","id":12213617,"avatar_url":"https://avatars.githubusercontent.com/u/12213617?v=3","gravatar_id":"","url":"https://api.github.com/users/Virtual3D","html_url":"https://github.com/Virtual3D","followers_url":"https://api.github.com/users/Virtual3D/followers","following_url":"https://api.github.com/users/Virtual3D/following{/other_user}","gists_url":"https://api.github.com/users/Virtual3D/gists{/gist_id}","starred_url":"https://api.github.com/users/Virtual3D/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/Virtual3D/subscriptions","organizations_url":"https://api.github.com/users/Virtual3D/orgs","repos_url":"https://api.github.com/users/Virtual3D/repos","events_url":"https://api.github.com/users/Virtual3D/events{/privacy}","received_events_url":"https://api.github.com/users/Virtual3D/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":5,"created_at":"2015-05-02T20:41:18Z","updated_at":"2015-05-03T11:54:50Z","closed_at":null,"body":"I use AssimpJSONLoader and can't find model's ambient color of materials in r71. Everything looks dark. In r68 it was ok.\r\nSorry 4 my English.\r\n\r\n![1](https://cloud.githubusercontent.com/assets/12213617/7442706/eaf70a8c-f12c-11e4-83e0-38ce6f44c3c4.jpg)\r\n"},"comment":{"url":"https://api.github.com/repos/mrdoob/three.js/issues/comments/98473884","html_url":"https://github.com/mrdoob/three.js/issues/6501#issuecomment-98473884","issue_url":"https://api.github.com/repos/mrdoob/three.js/issues/6501","id":98473884,"user":{"login":"RemusMar","id":11772787,"avatar_url":"https://avatars.githubusercontent.com/u/11772787?v=3","gravatar_id":"","url":"https://api.github.com/users/RemusMar","html_url":"https://github.com/RemusMar","followers_url":"https://api.github.com/users/RemusMar/followers","following_url":"https://api.github.com/users/RemusMar/following{/other_user}","gists_url":"https://api.github.com/users/RemusMar/gists{/gist_id}","starred_url":"https://api.github.com/users/RemusMar/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/RemusMar/subscriptions","organizations_url":"https://api.github.com/users/RemusMar/orgs","repos_url":"https://api.github.com/users/RemusMar/repos","events_url":"https://api.github.com/users/RemusMar/events{/privacy}","received_events_url":"https://api.github.com/users/RemusMar/received_events","type":"User","site_admin":false},"created_at":"2015-05-03T11:54:50Z","updated_at":"2015-05-03T11:54:50Z","body":"In 3DS Max always set diffuse to (255,255,255) for all the materials.\r\nThat will be exported as (1,1,1) in THREE.\r\nThe \"ambient\" color is ignored, so don't waste your time with that value (\"locked\" anyway).\r\nIn THREE you need to set manually the emissive value if you need self-illuminating model:\r\nobject.material.emissive = new THREE.Color( 0.2, 0.2, 0.2 );\r\n\r\nNow for all those who don't understand the \"ambient\" value in 3DS Max.\r\nThese are from the 3DS max docs:\r\n\r\nThe ambient color map is not visible in viewports or renderings unless the level of ambient light is greater than default value of black. \r\nBy default, in a Standard material the Diffuse Color map is applied to the Ambient Color as well.\r\n\r\nI hope it's cristal clear now.\r\ncheers"}}