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work on raytracing

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This commit is contained in:
FrankE
2017-09-06 08:34:20 +02:00
parent c21925e86f
commit e4cd9c6b8d
32 changed files with 2790 additions and 3 deletions
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36
tests/geo/TestTriangle3.cpp Normal file
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#ifdef WITH_TESTS
#include "../Tests.h"
#include "../../geo/Triangle3.h"
// https://stackoverflow.com/questions/17458562/efficient-aabb-triangle-intersection-in-c-sharp
// http://fileadmin.cs.lth.se/cs/Personal/Tomas_Akenine-Moller/code/tribox3.txt
TEST(Triangle3, intersect) {
Point3 dst;
{
Triangle3 tria(Point3(-1,0,0), Point3(+1,0,0), Point3(0,1,0));
Ray3 ray(Point3(0,0.5,-1), Point3(0,0,1));
ASSERT_TRUE(tria.intersects(ray, dst));
ASSERT_EQ(Point3(0, 0.5, 0), dst);
}
{
Triangle3 tria(Point3(-1,0,0), Point3(+1,0,0), Point3(0,1,1));
Ray3 ray(Point3(0,0.5,-1), Point3(0,0,1));
ASSERT_TRUE(tria.intersects(ray, dst));
ASSERT_EQ(Point3(0, 0.5, 0.5), dst);
}
{
Triangle3 tria(Point3(10.4253730774, 49.0029830933, 0.00995028018951), Point3(10.4253730774, 49.0029830933, 3.99004983902), Point3(10.4253730774, 50.197013855, 3.99004983902));
Ray3 ray(Point3(67.2000045776, 36.0, 3.5), Point3(0.154123231769, -0.631025910378, -0.76029753685));
ASSERT_FALSE(tria.intersects(ray, dst));
}
}
#endif