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Fix TransformVectorNormalize().

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Fixed Mario's red eye caused by incorrect work of TransformVectorNormalize()
This commit is contained in:
Sergey Lipskiy 2014-04-13 22:16:59 +07:00
parent 7d195d7202
commit e8e1515fa6
1 changed files with 11 additions and 9 deletions
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20
3DMath.cpp
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@ -24,15 +24,17 @@ void TransformVectorNormalize(float vec[3], float mtx[4][4])
{
float len;
vec[0] = mtx[0][0] * vec[0]
+ mtx[1][0] * vec[1]
+ mtx[2][0] * vec[2];
vec[1] = mtx[0][1] * vec[0]
+ mtx[1][1] * vec[1]
+ mtx[2][1] * vec[2];
vec[2] = mtx[0][2] * vec[0]
+ mtx[1][2] * vec[1]
+ mtx[2][2] * vec[2];
float vres[3];
vres[0] = mtx[0][0] * vec[0]
+ mtx[1][0] * vec[1]
+ mtx[2][0] * vec[2];
vres[1] = mtx[0][1] * vec[0]
+ mtx[1][1] * vec[1]
+ mtx[2][1] * vec[2];
vres[2] = mtx[0][2] * vec[0]
+ mtx[1][2] * vec[1]
+ mtx[2][2] * vec[2];
memcpy(vec, vres, sizeof(float)*3);
len = vec[0]*vec[0] + vec[1]*vec[1] + vec[2]*vec[2];
if (len != 0.0)
{