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return rotation angle

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This commit is contained in:
matthias.ringwald 2010-06-13 19:28:34 +00:00
parent 122fb60270
commit 27b69f0643
1 changed files with 2 additions and 2 deletions
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4
example/WiiMoteOpenGLDemo/rotation.c
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@ -154,8 +154,8 @@ void getRotationMatrixFromVectors(float vin[3], float vout[3], float matrix[4][4
getRotationMatrixFromQuartenion(q,matrix);
}
void getRotationAngle(float matrix[4][4], float angle){
angle = acos( (matrix[0][0]+matrix[1][1]+matrix[2][2]-1) * 0.5);
float getRotationAngle(float matrix[4][4]){
return acos( (matrix[0][0]+matrix[1][1]+matrix[2][2]-1) * 0.5);
}
#if 0