Mikhail Romanko
cae66889a1
Added support for 2D/3D boxes (or AABBs) and intersection tests between them and rays/segments.
99 lines
2.4 KiB
C
99 lines
2.4 KiB
C
#include <BH/Math.h>
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#include <BH/Unit.h>
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#define ACCEPTABLE_DELTA 0.0001f
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BH_UNIT_TEST(Union)
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{
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float aMin[2], aMax[2], bMin[2], bMax[2], rMin[2], rMax[2];
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aMin[0] = 1.0f; aMin[1] = 2.0f;
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aMax[0] = 5.0f; aMax[1] = 5.0f;
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bMin[0] = 0.0f; bMin[1] = 0.0f;
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bMax[0] = 4.0f; bMax[1] = 4.0f;
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BH_Box2fUnion(aMin, aMax, bMin, bMax, rMin, rMax);
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BH_VERIFY_DELTA(rMin[0], 0.0000f, ACCEPTABLE_DELTA);
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BH_VERIFY_DELTA(rMin[1], 0.0000f, ACCEPTABLE_DELTA);
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BH_VERIFY_DELTA(rMax[0], 5.0000f, ACCEPTABLE_DELTA);
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BH_VERIFY_DELTA(rMax[1], 5.0000f, ACCEPTABLE_DELTA);
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return 0;
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}
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BH_UNIT_TEST(Intersect)
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{
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float aMin[2], aMax[2], bMin[2], bMax[2], rMin[2], rMax[2];
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aMin[0] = 1.0f; aMin[1] = 2.0f;
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aMax[0] = 5.0f; aMax[1] = 5.0f;
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bMin[0] = 0.0f; bMin[1] = 0.0f;
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bMax[0] = 4.0f; bMax[1] = 4.0f;
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BH_VERIFY(BH_Box2fIntersect(aMin, aMax, bMin, bMax, rMin, rMax) == BH_OK);
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BH_VERIFY_DELTA(rMin[0], 1.0000f, ACCEPTABLE_DELTA);
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BH_VERIFY_DELTA(rMin[1], 2.0000f, ACCEPTABLE_DELTA);
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BH_VERIFY_DELTA(rMax[0], 4.0000f, ACCEPTABLE_DELTA);
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BH_VERIFY_DELTA(rMax[1], 4.0000f, ACCEPTABLE_DELTA);
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return 0;
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}
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BH_UNIT_TEST(Contains)
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{
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float aMin[2], aMax[2], point[2];
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aMin[0] = 1.0f; aMin[1] = 2.0f;
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aMax[0] = 5.0f; aMax[1] = 5.0f;
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point[0] = 0.0f; point[1] = 0.0f;
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BH_VERIFY(BH_Box2fContains(aMin, aMax, point) != BH_OK);
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point[0] = 1.0f; point[1] = 2.0f;
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BH_VERIFY(BH_Box2fContains(aMin, aMax, point) == BH_OK);
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point[0] = 4.0f; point[1] = 4.0f;
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BH_VERIFY(BH_Box2fContains(aMin, aMax, point) == BH_OK);
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point[0] = 6.0f; point[1] = 6.0f;
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BH_VERIFY(BH_Box2fContains(aMin, aMax, point) != BH_OK);
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return 0;
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}
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BH_UNIT_TEST(Enclose)
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{
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float points[4], rMin[2], rMax[2];
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points[0] = 5.0f; points[1] = 5.0f;
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points[2] = 1.0f; points[3] = 2.0f;
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BH_VERIFY(BH_Box2fEnclose(NULL, 0, NULL, NULL) != BH_OK);
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BH_VERIFY(BH_Box2fEnclose(points, 2, rMin, rMax) == BH_OK);
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BH_VERIFY_DELTA(rMin[0], 1.0000f, ACCEPTABLE_DELTA);
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BH_VERIFY_DELTA(rMin[1], 2.0000f, ACCEPTABLE_DELTA);
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BH_VERIFY_DELTA(rMax[0], 5.0000f, ACCEPTABLE_DELTA);
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BH_VERIFY_DELTA(rMax[1], 5.0000f, ACCEPTABLE_DELTA);
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return 0;
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}
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int main(int argc, char **argv)
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{
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(void)argc;
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(void)argv;
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BH_UNIT_ADD(Union);
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BH_UNIT_ADD(Intersect);
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BH_UNIT_ADD(Contains);
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BH_UNIT_ADD(Enclose);
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return BH_UnitRun();
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}
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