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d3drm: D3DRMQuaternionSlerp should be tested against returned Windows values.

This commit is contained in:
David Adam 2009-02-16 17:39:12 +01:00 committed by Alexandre Julliard
parent c1a8484089
commit 32064cb553
1 changed files with 5 additions and 16 deletions
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21
dlls/d3drm/tests/vector.c
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@ -242,7 +242,7 @@ static void MatrixTest(void)
static void QuaternionTest(void)
{
D3DVECTOR axis;
D3DVALUE g,h,epsilon,par,theta;
D3DVALUE par,theta;
D3DRMQUATERNION q,q1,q2,r;
/*_________________QuaternionFromRotation___________________*/
@ -254,31 +254,20 @@ static void QuaternionTest(void)
/*_________________QuaternionSlerp_________________________*/
/* If the angle of the two quaternions is in ]PI/2;3PI/2[, QuaternionSlerp
* interpolates between the first quaternion and the opposite of the second one. The test proves
* this fact. */
* interpolates between the first quaternion and the opposite of the second one.
* The test proves this fact. */
par=0.31f;
q1.s=1.0f; U1(q1.v).x=2.0f; U2(q1.v).y=3.0f; U3(q1.v).z=50.0f;
q2.s=-4.0f; U1(q2.v).x=6.0f; U2(q2.v).y=7.0f; U3(q2.v).z=8.0f;
/* The angle between q1 and q2 is in [-PI/2,PI/2]. So, one interpolates between q1 and q2. */
epsilon=1.0f;
g=1.0f-par; h=epsilon*par;
/* Part of the test proving that the interpolation is linear. */
q.s=g*q1.s+h*q2.s;
U1(q.v).x=g*U1(q1.v).x+h*U1(q2.v).x;
U2(q.v).y=g*U2(q1.v).y+h*U2(q2.v).y;
U3(q.v).z=g*U3(q1.v).z+h*U3(q2.v).z;
q.s = -0.55f; U1(q.v).x=3.24f; U2(q.v).y=4.24f; U3(q.v).z=36.98f;
pD3DRMQuaternionSlerp(&r,&q1,&q2,par);
expect_quat(q,r);
q1.s=1.0f; U1(q1.v).x=2.0f; U2(q1.v).y=3.0f; U3(q1.v).z=50.0f;
q2.s=-94.0f; U1(q2.v).x=6.0f; U2(q2.v).y=7.0f; U3(q2.v).z=-8.0f;
/* The angle between q1 and q2 is not in [-PI/2,PI/2]. So, one interpolates between q1 and -q2. */
epsilon=-1.0f;
g=1.0f-par; h=epsilon*par;
q.s=g*q1.s+h*q2.s;
U1(q.v).x=g*U1(q1.v).x+h*U1(q2.v).x;
U2(q.v).y=g*U2(q1.v).y+h*U2(q2.v).y;
U3(q.v).z=g*U3(q1.v).z+h*U3(q2.v).z;
q.s=29.83f; U1(q.v).x=-0.48f; U2(q.v).y=-0.10f; U3(q.v).z=36.98f;
pD3DRMQuaternionSlerp(&r,&q1,&q2,par);
expect_quat(q,r);