Add bounding box calculation to triangle..

Could be helpful XD
2020-02-26 02:17:57 +00:00
parent 1c00077949
commit 7a96d42874
3 changed files with 28 additions and 0 deletions
--- a/source/shapes/triangle.cpp
+++ b/source/shapes/triangle.cpp
@@ -54,4 +54,18 @@ Intersect Triangle::localIntersect(Ray r)
 Tuple Triangle::localNormalAt(Tuple point)
 {
    return this->normal;
+}
+
+BoundingBox Triangle::getBounds()
+{
+    BoundingBox ret;
+
+    ret | p1;
+    ret | p2;
+    ret | p3;
+
+    ret.min = this->objectToWorld(ret.min);
+    ret.max = this->objectToWorld(ret.max);
+
+    return ret;
 }