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Working on quaternions

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Trinton Bullard
2016-12-07 18:19:12 -07:00
parent 154eecb749
commit 675327fd83
1 changed files with 52 additions and 1 deletions
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53
HandmadeMath.h
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@@ -373,6 +373,8 @@ typedef struct hmm_quaternion
float Elements[4];
} hmm_quaternion;
typedef union hmm_mat4
{
float Elements[4][4];
@@ -468,6 +470,11 @@ HMMDEF hmm_mat4 HMM_LookAt(hmm_vec3 Eye, hmm_vec3 Center, hmm_vec3 Up);
HMMDEF hmm_quaternion HMM_Quaternion(float X, float Y, float Z, float W);
HMMDEF hmm_quaternion HMM_QuaternionV4(hmm_vec4 Vector);
HMMDEF hmm_quaternion HMM_AddQuat(hmm_quaternion QuaternionOne, hmm_quaternion QuaternionTwo);
HMMDEF hmm_quaternion HMM_SubQuat(hmm_quaternion QuaternionOne, hmm_quaternion QuaternionTwo);
HMMDEF hmm_quaternion HMM_MulQuat(hmm_quaternion QuaternionOne, hmm_quaternion QuaternionTwo);
HMMDef hmm_quaternion HMM_DivQuat(hmm_quaternion QuaternionOne, hmm_quaternion QuaternionTwo);
//TODO(Trent): Don't forget the line numbers!
#ifdef __cplusplus
}
@@ -1465,6 +1472,50 @@ HMM_QuaternionV4(hmm_vec4 Vector)
return(Result);
}
HINLINE hmm_quaternion
HMM_AddQuat(hmm_quaternion QuaternionOne, hmm_quaternion QuaternionTwo)
{
hmm_quaternion Result = {0};
Result.X = QuaternionOne.X + QuaternionTwo.X;
Result.Y = QuaternionOne.Y + QuaternionTwo.Y;
Result.Z = QuaternionOne.Z + QuaternionTwo.Z;
Result.W = QuaternionOne.W + QuaternionTwo.W;
return(Result);
}
HINLINE hmm_quaternion
HMM_SubQuat(hmm_quaternion QuaternionOne, hmm_quaternion QuaternionTwo)
{
hmm_quaternion Result = {0};
Result.X = QuaternionOne.X - QuaternionTwo.X;
Result.Y = QuaternionOne.Y - QuaternionTwo.Y;
Result.Z = QuaternionOne.Z - QuaternionTwo.Z;
Result.W = QuaternionOne.W - QuaternionTwo.W;
return(Result);
}
HINLINE hmm_quaternion
HMM_MulQuat(hmm_quaternion QuaternionOne, hmm_quaternion QuaternionTwo)
{
hmm_quaternion Result = {0};
Result.X = QuaternionOne.X * QuaternionTwo.X;
Result.Y = QuaternionOne.Y * QuaternionTwo.Y;
Result.Z = QuaternionOne.Z * QuaternionTwo.Z;
Result.W = QuaternionOne.W * QuaternionTwo.W;
return(Result);
}
HINLINE hmm_quaternion
HMM_DivQuat(hmm_quaternion QuaternionOne, hmm_quaternion QuaternionTwo)
{
hmm_quaternion Result = {0};
#ifdef HANDMADE_MATH_CPP_MODE
HMMDEF float
@@ -2187,4 +2238,4 @@ operator*=(hmm_mat4 &Left, float Right)
#endif /* HANDMADE_MATH_CPP_MODE */
#endif /* HANDMADE_MATH_IMPLEMENTATION */
#endif /* HANDMADE_MATH_IMPLEMENTATION */