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Get an FPS cam kind of working! (no mouse input yet)

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Ben Visness
2018-06-30 22:17:00 +02:00
parent 8332a2d907
commit fabad91c39
6 changed files with 139 additions and 50 deletions
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66
test/categories/QuaternionOps.h
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@@ -80,29 +80,59 @@ TEST(QuaternionOps, ToMat4)
{
const float abs_error = 0.0001f;
hmm_quaternion rot = HMM_Quaternion(0.707107f, 0.0f, 0.0f, 0.707107f);
{
// Identity quaternion
hmm_quaternion rot = HMM_Quaternion(0.0f, 0.0f, 0.0f, 1.0f);
hmm_mat4 result = HMM_QuaternionToMat4(rot);
hmm_mat4 result = HMM_QuaternionToMat4(rot);
EXPECT_NEAR(result.Elements[0][0], 1.0f, abs_error);
EXPECT_NEAR(result.Elements[0][1], 0.0f, abs_error);
EXPECT_NEAR(result.Elements[0][2], 0.0f, abs_error);
EXPECT_NEAR(result.Elements[0][3], 0.0f, abs_error);
EXPECT_NEAR(result.Elements[0][0], 1.0f, abs_error);
EXPECT_NEAR(result.Elements[0][1], 0.0f, abs_error);
EXPECT_NEAR(result.Elements[0][2], 0.0f, abs_error);
EXPECT_NEAR(result.Elements[0][3], 0.0f, abs_error);
EXPECT_NEAR(result.Elements[1][0], 0.0f, abs_error);
EXPECT_NEAR(result.Elements[1][1], 0.0f, abs_error);
EXPECT_NEAR(result.Elements[1][2], 1.0f, abs_error);
EXPECT_NEAR(result.Elements[1][3], 0.0f, abs_error);
EXPECT_NEAR(result.Elements[1][0], 0.0f, abs_error);
EXPECT_NEAR(result.Elements[1][1], 1.0f, abs_error);
EXPECT_NEAR(result.Elements[1][2], 0.0f, abs_error);
EXPECT_NEAR(result.Elements[1][3], 0.0f, abs_error);
EXPECT_NEAR(result.Elements[2][0], 0.0f, abs_error);
EXPECT_NEAR(result.Elements[2][1], -1.0f, abs_error);
EXPECT_NEAR(result.Elements[2][2], 0.0f, abs_error);
EXPECT_NEAR(result.Elements[2][3], 0.0f, abs_error);
EXPECT_NEAR(result.Elements[2][0], 0.0f, abs_error);
EXPECT_NEAR(result.Elements[2][1], 0.0f, abs_error);
EXPECT_NEAR(result.Elements[2][2], 1.0f, abs_error);
EXPECT_NEAR(result.Elements[2][3], 0.0f, abs_error);
EXPECT_NEAR(result.Elements[3][0], 0.0f, abs_error);
EXPECT_NEAR(result.Elements[3][1], 0.0f, abs_error);
EXPECT_NEAR(result.Elements[3][2], 0.0f, abs_error);
EXPECT_NEAR(result.Elements[3][3], 1.0f, abs_error);
EXPECT_NEAR(result.Elements[3][0], 0.0f, abs_error);
EXPECT_NEAR(result.Elements[3][1], 0.0f, abs_error);
EXPECT_NEAR(result.Elements[3][2], 0.0f, abs_error);
EXPECT_NEAR(result.Elements[3][3], 1.0f, abs_error);
}
{
// Straightforward 90 degree rotation
hmm_quaternion rot = HMM_Quaternion(0.707107f, 0.0f, 0.0f, 0.707107f);
hmm_mat4 result = HMM_QuaternionToMat4(rot);
EXPECT_NEAR(result.Elements[0][0], 1.0f, abs_error);
EXPECT_NEAR(result.Elements[0][1], 0.0f, abs_error);
EXPECT_NEAR(result.Elements[0][2], 0.0f, abs_error);
EXPECT_NEAR(result.Elements[0][3], 0.0f, abs_error);
EXPECT_NEAR(result.Elements[1][0], 0.0f, abs_error);
EXPECT_NEAR(result.Elements[1][1], 0.0f, abs_error);
EXPECT_NEAR(result.Elements[1][2], 1.0f, abs_error);
EXPECT_NEAR(result.Elements[1][3], 0.0f, abs_error);
EXPECT_NEAR(result.Elements[2][0], 0.0f, abs_error);
EXPECT_NEAR(result.Elements[2][1], -1.0f, abs_error);
EXPECT_NEAR(result.Elements[2][2], 0.0f, abs_error);
EXPECT_NEAR(result.Elements[2][3], 0.0f, abs_error);
EXPECT_NEAR(result.Elements[3][0], 0.0f, abs_error);
EXPECT_NEAR(result.Elements[3][1], 0.0f, abs_error);
EXPECT_NEAR(result.Elements[3][2], 0.0f, abs_error);
EXPECT_NEAR(result.Elements[3][3], 1.0f, abs_error);
}
}
TEST(QuaternionOps, FromAxisAngle)

26
test/categories/VectorOps.h
View File

@@ -136,14 +136,28 @@ TEST(VectorOps, NormalizeZero)
TEST(VectorOps, Cross)
{
hmm_vec3 v1 = HMM_Vec3(1.0f, 2.0f, 3.0f);
hmm_vec3 v2 = HMM_Vec3(4.0f, 5.0f, 6.0f);
{
// Normal cross
hmm_vec3 v1 = HMM_Vec3(1.0f, 2.0f, 3.0f);
hmm_vec3 v2 = HMM_Vec3(4.0f, 5.0f, 6.0f);
hmm_vec3 result = HMM_Cross(v1, v2);
hmm_vec3 result = HMM_Cross(v1, v2);
EXPECT_FLOAT_EQ(result.X, -3.0f);
EXPECT_FLOAT_EQ(result.Y, 6.0f);
EXPECT_FLOAT_EQ(result.Z, -3.0f);
EXPECT_FLOAT_EQ(result.X, -3.0f);
EXPECT_FLOAT_EQ(result.Y, 6.0f);
EXPECT_FLOAT_EQ(result.Z, -3.0f);
}
{
// Vector with itself
hmm_vec3 v = HMM_Vec3(1.0f, 2.0f, 3.0f);
hmm_vec3 result = HMM_Cross(v, v);
EXPECT_FLOAT_EQ(result.X, 0.0f);
EXPECT_FLOAT_EQ(result.Y, 0.0f);
EXPECT_FLOAT_EQ(result.Z, 0.0f);
}
}
TEST(VectorOps, DotVec2)