{"action":"opened","issue":{"url":"https://api.github.com/repos/ErrrrricCartman/My-shader/issues/4","repository_url":"https://api.github.com/repos/ErrrrricCartman/My-shader","labels_url":"https://api.github.com/repos/ErrrrricCartman/My-shader/issues/4/labels{/name}","comments_url":"https://api.github.com/repos/ErrrrricCartman/My-shader/issues/4/comments","events_url":"https://api.github.com/repos/ErrrrricCartman/My-shader/issues/4/events","html_url":"https://github.com/ErrrrricCartman/My-shader/issues/4","id":394804363,"node_id":"MDU6SXNzdWUzOTQ4MDQzNjM=","number":4,"title":"Chapter8","user":{"login":"ErrrrricCartman","id":45843483,"node_id":"MDQ6VXNlcjQ1ODQzNDgz","avatar_url":"https://avatars0.githubusercontent.com/u/45843483?v=4","gravatar_id":"","url":"https://api.github.com/users/ErrrrricCartman","html_url":"https://github.com/ErrrrricCartman","followers_url":"https://api.github.com/users/ErrrrricCartman/followers","following_url":"https://api.github.com/users/ErrrrricCartman/following{/other_user}","gists_url":"https://api.github.com/users/ErrrrricCartman/gists{/gist_id}","starred_url":"https://api.github.com/users/ErrrrricCartman/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/ErrrrricCartman/subscriptions","organizations_url":"https://api.github.com/users/ErrrrricCartman/orgs","repos_url":"https://api.github.com/users/ErrrrricCartman/repos","events_url":"https://api.github.com/users/ErrrrricCartman/events{/privacy}","received_events_url":"https://api.github.com/users/ErrrrricCartman/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":0,"created_at":"2018-12-29T15:33:20Z","updated_at":"2018-12-29T15:33:20Z","closed_at":null,"author_association":"OWNER","body":"这几章主要内容都是写代码，所以内容总结少了。\r\n\r\n**常见的混合类型**\r\n//正常(Normal)，即透明度混合\r\nBlend SrcAlpha OneMinusSrcAlpha\r\n\r\n//柔和相加(Soft Additive)\r\nBlend OneMinusDstColor One\r\n\r\n//正片叠底(Multiply)，即相乘\r\nBlend DstColor Zero\r\n\r\n//两倍相乘(2x Multiply)\r\nBlend DstColor SrcColor\r\n\r\n//变暗(Darken)\r\nBlendOp Min\r\nBlend One One\r\n\r\n//变亮(Lighten)\r\nBlendOp Max\r\nBlend One One\r\n\r\n//滤色(Screen)\r\nBlend OneMinusDstColor One\r\n//等同于\r\nBlend One OneMinusSrcColor\r\n\r\n//线性减淡(Linear Dodge)\r\nBlend One One"}}
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