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Use vertical instead of horizontal FOV in HMM_Perspective (#101)

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* Use vertical instead of horizontal FOV

* Update readme

* Fix tests
This commit is contained in:
Ben Visness
2019-07-10 11:29:51 -05:00
committed by GitHub
parent 45c91702a9
commit 93e56be543
3 changed files with 10 additions and 7 deletions
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8
test/categories/Projection.h
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@@ -20,16 +20,16 @@ TEST(Projection, Perspective)
{
hmm_vec3 original = HMM_Vec3(5.0f, 5.0f, -15.0f);
hmm_vec4 projected = HMM_MultiplyMat4ByVec4(projection, HMM_Vec4v(original, 1));
EXPECT_FLOAT_EQ(projected.X, 5.0f);
EXPECT_FLOAT_EQ(projected.Y, 10.0f);
EXPECT_FLOAT_EQ(projected.X, 2.5f);
EXPECT_FLOAT_EQ(projected.Y, 5.0f);
EXPECT_FLOAT_EQ(projected.Z, 15.0f);
EXPECT_FLOAT_EQ(projected.W, 15.0f);
}
{
hmm_vec3 original = HMM_Vec3(5.0f, 5.0f, -5.0f);
hmm_vec4 projected = HMM_MultiplyMat4ByVec4(projection, HMM_Vec4v(original, 1));
EXPECT_FLOAT_EQ(projected.X, 5.0f);
EXPECT_FLOAT_EQ(projected.Y, 10.0f);
EXPECT_FLOAT_EQ(projected.X, 2.5f);
EXPECT_FLOAT_EQ(projected.Y, 5.0f);
EXPECT_FLOAT_EQ(projected.Z, -5.0f);
EXPECT_FLOAT_EQ(projected.W, 5.0f);
}