BlackMATov/vmath.hpp
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add some code references

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BlackMATov
2021-01-29 01:35:28 +07:00
parent 2d42a2069a
commit 0b1955ce49
2 changed files with 134 additions and 34 deletions
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58
untests/vmath_ext_tests.cpp
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@@ -225,10 +225,12 @@ TEST_CASE("vmath/ext") {
REQUIRE(float3(2.f,3.f,1.f) * rotate(pi) == uapprox3(-2.f,-3.f,1.f));
REQUIRE(float4(2.f,3.f,4.f,1.f) * rotate(pi,{0.f,0.f,1.f}) == uapprox4(-2.f,-3.f,4.f,1.f));
REQUIRE(float4(2.f,3.f,4.f,1.f) * rotate(pi,float3{0.f,0.f,1.f}) == uapprox4(-2.f,-3.f,4.f,1.f));
REQUIRE(float4(2.f,3.f,4.f,1.f) * rotate(qrotate(pi,float3{0.f,0.f,1.f})) == uapprox4(-2.f,-3.f,4.f,1.f));
REQUIRE(float3(2.f,3.f,1.f) * rotate(rotate(pi_2),pi_2) == uapprox3(-2.f,-3.f,1.f));
REQUIRE(float4(2.f,3.f,4.f,1.f) * rotate(rotate(pi_2,{0.f,0.f,1.f}),pi_2,{0.f,0.f,1.f}) == uapprox4(-2.f,-3.f,4.f,1.f));
REQUIRE(float4(2.f,3.f,4.f,1.f) * rotate(rotate(pi_2,float3{0.f,0.f,1.f}),pi_2,float3{0.f,0.f,1.f}) == uapprox4(-2.f,-3.f,4.f,1.f));
REQUIRE(float4(2.f,3.f,4.f,1.f) * rotate(rotate(qrotate(pi_2,float3{0.f,0.f,1.f})),qrotate(pi_2,float3{0.f,0.f,1.f})) == uapprox4(-2.f,-3.f,4.f,1.f));
}
SECTION("matrix scale") {
@@ -244,32 +246,60 @@ TEST_CASE("vmath/ext") {
SECTION("matrix shear") {
STATIC_REQUIRE(float3(2.f,3.f,1.f) * shear_x(0.f) == uapprox3(2.f,3.f,1.f));
STATIC_REQUIRE(float3(2.f,3.f,1.f) * shear_x(1.f) == uapprox3(5.f,3.f,1.f));
STATIC_REQUIRE(float3(2.f,3.f,1.f) * shear_x(2.f) == uapprox3(8.f,3.f,1.f));
STATIC_REQUIRE(float3(2.f,3.f,1.f) * shear_x(shear_x(1.f),1.f) == uapprox3(8.f,3.f,1.f));
STATIC_REQUIRE(float3(2.f,3.f,1.f) * shear_y(0.f) == uapprox3(2.f,3.f,1.f));
STATIC_REQUIRE(float3(2.f,3.f,1.f) * shear_y(1.f) == uapprox3(2.f,5.f,1.f));
STATIC_REQUIRE(float3(2.f,3.f,1.f) * shear_y(2.f) == uapprox3(2.f,7.f,1.f));
STATIC_REQUIRE(float3(2.f,3.f,1.f) * shear_y(shear_y(1.f),1.f) == uapprox3(2.f,7.f,1.f));
STATIC_REQUIRE(float3(2.f,3.f,1.f) * shear(float2(0.f,0.f)) == uapprox3(2.f,3.f,1.f));
STATIC_REQUIRE(float3(2.f,3.f,1.f) * shear(float2(1.f,0.f)) == uapprox3(5.f,3.f,1.f));
STATIC_REQUIRE(float3(2.f,3.f,1.f) * shear(float2(0.f,1.f)) == uapprox3(2.f,5.f,1.f));
STATIC_REQUIRE(float3(2.f,3.f,1.f) * shear(float2(2.f,0.f)) == uapprox3(8.f,3.f,1.f));
STATIC_REQUIRE(float3(2.f,3.f,1.f) * shear(float2(0.f,2.f)) == uapprox3(2.f,7.f,1.f));
STATIC_REQUIRE(float3(2.f,3.f,1.f) * shear(shear(float2(1.f,0.f)),float2(1.f,0.f)) == uapprox3(8.f,3.f,1.f));
STATIC_REQUIRE(float3(2.f,3.f,1.f) * shear(shear(float2(0.f,1.f)),float2(0.f,1.f)) == uapprox3(2.f,7.f,1.f));
}
SECTION("matrix orthographic") {
REQUIRE(all(approx(
orthographic_lh_no(100.f, 800.f, 50.f, 640.f, 5.f, 10.f),
orthographic_lh_zo(100.f, 800.f, 50.f, 640.f, 5.f, 10.f) * scale(1.f,1.f,2.f) * translate(0.f,0.f,-1.f))));
REQUIRE(all(approx(
orthographic_rh_no(100.f, 800.f, 50.f, 640.f, 5.f, 10.f),
orthographic_rh_zo(100.f, 800.f, 50.f, 640.f, 5.f, 10.f) * scale(1.f,1.f,2.f) * translate(0.f,0.f,-1.f))));
REQUIRE(all(approx(
orthographic_lh_no(100.f, 800.f, 50.f, 640.f, 5.f, 10.f),
scale(1.f,1.f,-1.f) * orthographic_rh_no(100.f, 800.f, 50.f, 640.f, 5.f, 10.f))));
REQUIRE(all(approx(
orthographic_lh_zo(100.f, 800.f, 50.f, 640.f, 5.f, 10.f),
scale(1.f,1.f,-1.f) * orthographic_rh_zo(100.f, 800.f, 50.f, 640.f, 5.f, 10.f))));
}
SECTION("matrix perspective") {
REQUIRE(all(approx(
perspective_lh_no(1.5f, 1.3f, 0.f, 10.f),
perspective_lh_zo(1.5f, 1.3f, 0.f, 10.f) * scale(1.f,1.f,2.f) * translate(0.f,0.f,-1.f))));
REQUIRE(all(approx(
perspective_rh_no(1.5f, 1.3f, 0.f, 10.f),
perspective_rh_zo(1.5f, 1.3f, 0.f, 10.f) * scale(1.f,1.f,2.f) * translate(0.f,0.f,-1.f))));
REQUIRE(all(approx(
perspective_lh_no(1.5f, 1.3f, 0.f, 10.f),
scale(1.f,1.f,-1.f) * perspective_rh_no(1.5f, 1.3f, 0.f, 10.f))));
REQUIRE(all(approx(
perspective_lh_zo(1.5f, 1.3f, 0.f, 10.f),
scale(1.f,1.f,-1.f) * perspective_rh_zo(1.5f, 1.3f, 0.f, 10.f))));
}
SECTION("matrix look_at") {
(void)look_at_lh(float3(-10.f), float3(0.f), float3(0,-1,0));
(void)look_at_rh(float3(-10.f), float3(0.f), float3(0,-1,0));
(void)orthographic_lh_zo(0.f, 800.f, 0.f, 640.f, 0.f, 10.f);
(void)orthographic_lh_no(0.f, 800.f, 0.f, 640.f, 0.f, 10.f);
(void)orthographic_rh_zo(0.f, 800.f, 0.f, 640.f, 0.f, 10.f);
(void)orthographic_rh_no(0.f, 800.f, 0.f, 640.f, 0.f, 10.f);
(void)perspective_lh_zo(1.f, 1.3f, 0.f, 10.f);
(void)perspective_lh_no(1.f, 1.3f, 0.f, 10.f);
(void)perspective_rh_zo(1.f, 1.3f, 0.f, 10.f);
(void)perspective_rh_no(1.f, 1.3f, 0.f, 10.f);
(void)look_at_lh(float3(1,2,3), float3(0,0,0), float3(0,2,0));
(void)look_at_rh(float3(1,2,3), float3(0,0,0), float3(0,2,0));
}
SECTION("vector angle") {