Lines Matching refs:q

31  * Adds two quaternions, i.e. *q += *rhs;
34  *   q: Destination quaternion to add to.
39     rsQuaternionAdd(rs_quaternion* q, const rs_quaternion* rhs) {
40     q->w += rhs->w;
41     q->x += rhs->x;
42     q->y += rhs->y;
43     q->z += rhs->z;
53  *   q: Quaternion to modify.
57     rsQuaternionConjugate(rs_quaternion* q) {
58     q->x = -q->x;
59     q->y = -q->y;
60     q->z = -q->z;
87  *   q: Normalized quaternion.
91     rsQuaternionGetMatrixUnit(rs_matrix4x4* m, const rs_quaternion* q) {
92     float xx = q->x * q->x;
93     float xy = q->x * q->y;
94     float xz = q->x * q->z;
95     float xw = q->x * q->w;
96     float yy = q->y * q->y;
97     float yz = q->y * q->z;
98     float yw = q->y * q->w;
99     float zz = q->z * q->z;
100     float zw = q->z * q->w;
122  *   q: Destination quaternion.
130     rsQuaternionLoadRotateUnit(rs_quaternion* q, float rot, float x, float y, float z) {
135     q->w = c;
136     q->x = x * s;
137     q->y = y * s;
138     q->z = z * s;
148  *   q: Destination quaternion.
157     rsQuaternionSet(rs_quaternion* q, float w, float x, float y, float z) {
158     q->w = w;
159     q->x = x;
160     q->y = y;
161     q->z = z;
167     rsQuaternionSet(rs_quaternion* q, const rs_quaternion* rhs) {
168     q->w = rhs->w;
169     q->x = rhs->x;
170     q->y = rhs->y;
171     q->z = rhs->z;
182  *   q: Destination quaternion.
190     rsQuaternionLoadRotate(rs_quaternion* q, float rot, float x, float y, float z) {
198     rsQuaternionLoadRotateUnit(q, rot, x, y, z);
208  *   q: Quaternion to normalize.
212     rsQuaternionNormalize(rs_quaternion* q) {
213     const float len = rsQuaternionDot(q, q);
216         q->w *= recipLen;
217         q->x *= recipLen;
218         q->y *= recipLen;
219         q->z *= recipLen;
228  * *q = *q * scalar; or *q = *q * *rhs;.
231  *   q: Destination quaternion.
237     rsQuaternionMultiply(rs_quaternion* q, float scalar) {
238     q->w *= scalar;
239     q->x *= scalar;
240     q->y *= scalar;
241     q->z *= scalar;
247     rsQuaternionMultiply(rs_quaternion* q, const rs_quaternion* rhs) {
249     rsQuaternionSet(&qtmp, q);
251     q->w = qtmp.w*rhs->w - qtmp.x*rhs->x - qtmp.y*rhs->y - qtmp.z*rhs->z;
252     q->x = qtmp.w*rhs->x + qtmp.x*rhs->w + qtmp.y*rhs->z - qtmp.z*rhs->y;
253     q->y = qtmp.w*rhs->y + qtmp.y*rhs->w + qtmp.z*rhs->x - qtmp.x*rhs->z;
254     q->z = qtmp.w*rhs->z + qtmp.z*rhs->w + qtmp.x*rhs->y - qtmp.y*rhs->x;
255     rsQuaternionNormalize(q);
265  *   q: Result quaternion from the interpolation.
272     rsQuaternionSlerp(rs_quaternion* q, const rs_quaternion* q0, const rs_quaternion* q1, float t) {
274         rsQuaternionSet(q, q0);
278         rsQuaternionSet(q, q1);
309     rsQuaternionSet(q, tempq0.w*scale + tempq1.w*invScale, tempq0.x*scale + tempq1.x*invScale,
316     rsQuaternionAdd(rs_quaternion* q, const rs_quaternion* rhs);
321     rsQuaternionConjugate(rs_quaternion* q);
331     rsQuaternionGetMatrixUnit(rs_matrix4x4* m, const rs_quaternion* q);
336     rsQuaternionLoadRotateUnit(rs_quaternion* q, float rot, float x, float y, float z);
341     rsQuaternionSet(rs_quaternion* q, float w, float x, float y, float z);
346     rsQuaternionSet(rs_quaternion* q, const rs_quaternion* rhs);
351     rsQuaternionLoadRotate(rs_quaternion* q, float rot, float x, float y, float z);
356     rsQuaternionNormalize(rs_quaternion* q);
361     rsQuaternionMultiply(rs_quaternion* q, float scalar);
366     rsQuaternionMultiply(rs_quaternion* q, const rs_quaternion* rhs);
371     rsQuaternionSlerp(rs_quaternion* q, const rs_quaternion* q0, const rs_quaternion* q1, float t);