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clay-viewer/src/graphic/SSAOPass.js
Line 45 in 86456ed
| var phi = halton(i + offset, 2) * (hemisphere ? 1 : 2) * Math.PI; |
这里phi代表的是方位角吧,如果半球采样的话,theta 最大是 Math.PI,phi最大应该始终是2 * Math.PI。
另外,参考babylon的实现,建议处理一下theta角,避免因过于接近水平面而出现z-fight
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