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build texture transform matrix helper

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Recep Aslantas
2025-04-05 13:32:47 +03:00
parent ebc65782f8
commit 5fde20d65c
13 changed files with 191 additions and 1 deletions
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22
test/src/test_mat3.h
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@@ -327,4 +327,26 @@ TEST_IMPL(GLM_PREFIX, mat3_make) {
TEST_SUCCESS
}
TEST_IMPL(GLM_PREFIX, mat3_textrans) {
mat3 m, expected;
float sx = 2.0f, sy = 3.0f, rot = GLM_PI_4f;
float tx = 10.0f, ty = 20.0f;
GLM(mat3_textrans)(sx, sy, rot, tx, ty, m);
ASSERT(test_eq(m[0][0], cosf(rot) * sx))
ASSERT(test_eq(m[0][1],-sinf(rot) * sy))
ASSERT(test_eq(m[1][0], sinf(rot) * sx))
ASSERT(test_eq(m[1][1], cosf(rot) * sy))
ASSERT(test_eq(m[2][0], tx))
ASSERT(test_eq(m[2][1], ty))
GLM(mat3_textrans)(1.0f, 1.0f, 0.0f, 0.0f, 0.0f, m);
GLM(mat3_identity)(expected);
ASSERTIFY(test_assert_mat3_eq(m, expected))
TEST_SUCCESS
}
#undef A_MATRIX