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fix a bug in PdfUtil#getSolidAngle

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This commit is contained in:
jbb01 2024-08-08 19:31:20 +02:00
parent 940e8ebc37
commit cb4dcc53f1
1 changed files with 2 additions and 1 deletions
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src/main/java/eu/jonahbauer/raytracing/scene/util/PdfUtil.java
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@ -13,6 +13,7 @@ public final class PdfUtil {
var j = b.minus(o).unit();
var k = c.minus(o).unit();
return 2 * Math.atan(Math.abs(i.times(j.cross(k))) / (1 + i.times(j) + j.times(k) + k.times(i)));
var angle = 2 * Math.atan(Math.abs(i.times(j.cross(k))) / (1 + i.times(j) + j.times(k) + k.times(i)));
return angle < 0 ? 2 * Math.PI + angle : angle;
}
}