FrankE
686151b511
adjusted BVH improved 2D/3D BVH new bounding volumes new test cases renamed some test-cases for grouping reasons made GPC header-only using slight adjustments
86 lines
1.8 KiB
C++
86 lines
1.8 KiB
C++
#ifdef WITH_TESTS
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#include "../Tests.h"
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#include "../../geo/Circle2.h"
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TEST(Geo_Circle2, intersect) {
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Circle2 c1(Point2(3,2), 1.0);
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// left of circle
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Ray2 r1(Point2(1,0), Point2(0,1));
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ASSERT_FALSE(c1.intersects(r1));
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// right of circle
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Ray2 r2(Point2(5,0), Point2(0,1));
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ASSERT_FALSE(c1.intersects(r2));
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// through circle (from bottom)
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Ray2 r3(Point2(3,0), Point2(0,1));
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ASSERT_TRUE(c1.intersects(r3));
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// through circle (from bottom)
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Ray2 r4(Point2(3.5,0), Point2(0,1));
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ASSERT_TRUE(c1.intersects(r4));
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// within circle
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Ray2 r5(Point2(3,2), Point2(0,1));
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ASSERT_TRUE(c1.intersects(r5));
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// through circle (from left)
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Ray2 r6(Point2(0,2), Point2(1,0));
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ASSERT_TRUE(c1.intersects(r6));
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// through circle (from right)
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Ray2 r7(Point2(10,2), Point2(-1,0));
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ASSERT_TRUE(c1.intersects(r7));
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// through circle (from top)
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Ray2 r8(Point2(3,10), Point2(0,-1));
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ASSERT_TRUE(c1.intersects(r8));
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}
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TEST(Geo_Circle2, contains) {
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Circle2 c(Point2(0,0), 1.01);
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ASSERT_TRUE(c.contains(Point2(+1,0)));
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ASSERT_TRUE(c.contains(Point2(-1,0)));
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ASSERT_TRUE(c.contains(Point2(0,+1)));
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ASSERT_TRUE(c.contains(Point2(0,-1)));
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ASSERT_FALSE(c.contains(Point2(+1,+1)));
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ASSERT_FALSE(c.contains(Point2(-1,-1)));
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}
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TEST(Geo_Circle2, join) {
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// no overlap
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Circle2 a1(Point2(-1,0), 0.5);
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Circle2 a2(Point2(+1,0), 0.5);
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Circle2 a3 = Circle2::join(a1,a2);
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ASSERT_EQ(Point2(0,0), a3.center);
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ASSERT_NEAR(1.5, a3.radius, 0.01);
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// overlap
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Circle2 b1(Point2(0,+1), 1.5);
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Circle2 b2(Point2(0,-1), 1.5);
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Circle2 b3 = Circle2::join(b1,b2);
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ASSERT_EQ(Point2(0,0), b3.center);
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ASSERT_NEAR(2.5, b3.radius, 0.01);
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// within
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Circle2 c1(Point2(0,+1), 3.0);
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Circle2 c2(Point2(0,-1), 1.0);
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Circle2 c3 = Circle2::join(c1,c2);
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ASSERT_EQ(c1.center, c3.center);
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ASSERT_NEAR(c1.radius, c3.radius, 0.01);
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}
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#endif
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