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60 lines
1.3 KiB
C++
60 lines
1.3 KiB
C++
#define GLM_ENABLE_EXPERIMENTAL
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#include <glm/gtx/matrix_decompose.hpp>
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#include <glm/ext/matrix_relational.hpp>
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#include <glm/ext/matrix_transform.hpp>
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#include <glm/ext/scalar_constants.hpp>
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static int test_identity() {
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int Error = 0;
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glm::mat4 Matrix(1);
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glm::vec3 Scale;
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glm::quat Orientation;
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glm::vec3 Translation;
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glm::vec3 Skew(1);
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glm::vec4 Perspective(1);
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glm::decompose(Matrix, Scale, Orientation, Translation, Skew, Perspective);
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glm::mat4 Out = glm::recompose(Scale, Orientation, Translation, Skew, Perspective);
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Error += glm::all(glm::equal(Matrix, Out, glm::epsilon<float>())) ? 0 : 1;
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return Error;
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}
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static int test_scale_translate() {
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int Error = 0;
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glm::vec3 const T(2.0f);
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glm::vec3 const S(2.0f);
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glm::mat4 Matrix = glm::translate(glm::scale(glm::mat4(1), S), T);
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glm::vec3 Scale(2);
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glm::quat Orientation;
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glm::vec3 Translation(2);
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glm::vec3 Skew(1);
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glm::vec4 Perspective(1);
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glm::decompose(Matrix, Scale, Orientation, Translation, Skew, Perspective);
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glm::mat4 Out = glm::recompose(Scale, Orientation, Translation, Skew, Perspective);
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Error += glm::all(glm::equal(Matrix, Out, glm::epsilon<float>())) ? 0 : 1;
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return Error;
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}
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int main()
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{
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int Error = 0;
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Error += test_identity();
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Error += test_scale_translate();
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return Error;
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}
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