16 float ovec3f_get_length(const vec3f* me)  in ovec3f_get_length()  argument
18 	return sqrtf(POW2(me->x) + POW2(me->y) + POW2(me->z));  in ovec3f_get_length()
21 void ovec3f_normalize_me(vec3f* me)  in ovec3f_normalize_me()  argument
23 	if(me->x == 0 && me->y == 0 && me->z == 0)  in ovec3f_normalize_me()
26 	float len = ovec3f_get_length(me);  in ovec3f_normalize_me()
27 	me->x /= len;  in ovec3f_normalize_me()
28 	me->y /= len;  in ovec3f_normalize_me()
29 	me->z /= len;  in ovec3f_normalize_me()
38 float ovec3f_get_dot(const vec3f* me, const vec3f* vec)  in ovec3f_get_dot()  argument
40 	return me->x * vec->x + me->y * vec->y + me->z * vec->z;  in ovec3f_get_dot()
43 float ovec3f_get_angle(const vec3f* me, const vec3f* vec)  in ovec3f_get_angle()  argument
45 	float dot = ovec3f_get_dot(me, vec);  in ovec3f_get_angle()
46 	float lengths = ovec3f_get_length(me) * ovec3f_get_length(vec);  in ovec3f_get_angle()
57 void oquatf_init_axis(quatf* me, const vec3f* vec, float angle)  in oquatf_init_axis()  argument
62 	me->x = norm.x * sinf(angle / 2.0f);  in oquatf_init_axis()
63 	me->y = norm.y * sinf(angle / 2.0f);  in oquatf_init_axis()
64 	me->z = norm.z * sinf(angle / 2.0f);  in oquatf_init_axis()
65 	me->w = cosf(angle / 2.0f);  in oquatf_init_axis()
68 void oquatf_get_rotated(const quatf* me, const vec3f* vec, vec3f* out_vec)  in oquatf_get_rotated()  argument
70 	quatf q = {{vec->x * me->w + vec->z * me->y - vec->y * me->z,  in oquatf_get_rotated()
71 	            vec->y * me->w + vec->x * me->z - vec->z * me->x,  in oquatf_get_rotated()
72 	            vec->z * me->w + vec->y * me->x - vec->x * me->y,  in oquatf_get_rotated()
73 	            vec->x * me->x + vec->y * me->y + vec->z * me->z}};  in oquatf_get_rotated()
75 	out_vec->x = me->w * q.x + me->x * q.w + me->y * q.z - me->z * q.y;  in oquatf_get_rotated()
76 	out_vec->y = me->w * q.y + me->y * q.w + me->z * q.x - me->x * q.z;  in oquatf_get_rotated()
77 	out_vec->z = me->w * q.z + me->z * q.w + me->x * q.y - me->y * q.x;  in oquatf_get_rotated()
80 void oquatf_mult(const quatf* me, const quatf* q, quatf* out_q)  in oquatf_mult()  argument
82 	out_q->x = me->w * q->x + me->x * q->w + me->y * q->z - me->z * q->y;  in oquatf_mult()
83 	out_q->y = me->w * q->y - me->x * q->z + me->y * q->w + me->z * q->x;  in oquatf_mult()
84 	out_q->z = me->w * q->z + me->x * q->y - me->y * q->x + me->z * q->w;  in oquatf_mult()
85 	out_q->w = me->w * q->w - me->x * q->x - me->y * q->y - me->z * q->z;  in oquatf_mult()
88 void oquatf_mult_me(quatf* me, const quatf* q)  in oquatf_mult_me()  argument
90 	quatf tmp = *me;  in oquatf_mult_me()
91 	oquatf_mult(&tmp, q, me);  in oquatf_mult_me()
94 void oquatf_normalize_me(quatf* me)  in oquatf_normalize_me()  argument
96 	float len = oquatf_get_length(me);  in oquatf_normalize_me()
97 	me->x /= len;  in oquatf_normalize_me()
98 	me->y /= len;  in oquatf_normalize_me()
99 	me->z /= len;  in oquatf_normalize_me()
100 	me->w /= len;  in oquatf_normalize_me()
103 float oquatf_get_length(const quatf* me)  in oquatf_get_length()  argument
105 	return sqrtf(me->x * me->x + me->y * me->y + me->z * me->z + me->w * me->w);  in oquatf_get_length()
108 float oquatf_get_dot(const quatf* me, const quatf* q)  in oquatf_get_dot()  argument
110 	return me->x * q->x + me->y * q->y + me->z * q->z + me->w * q->w;  in oquatf_get_dot()
113 void oquatf_inverse(quatf* me)  in oquatf_inverse()  argument
115 	float dot = oquatf_get_dot(me, me);  in oquatf_inverse()
119 		me->arr[i] = -me->arr[i];  in oquatf_inverse()
122 		me->arr[i] /= dot;  in oquatf_inverse()
125 void oquatf_diff(const quatf* me, const quatf* q, quatf* out_q)  in oquatf_diff()  argument
127 	quatf inv = *me;  in oquatf_diff()
188 void oquatf_get_mat4x4(const quatf* me, const vec3f* point, float mat[4][4])  in oquatf_get_mat4x4()  argument
190 	mat[0][0] = 1 - 2 * me->y * me->y - 2 * me->z * me->z;  in oquatf_get_mat4x4()
191 	mat[0][1] =     2 * me->x * me->y - 2 * me->w * me->z;  in oquatf_get_mat4x4()
192 	mat[0][2] =     2 * me->x * me->z + 2 * me->w * me->y;  in oquatf_get_mat4x4()
195 	mat[1][0] =     2 * me->x * me->y + 2 * me->w * me->z;  in oquatf_get_mat4x4()
196 	mat[1][1] = 1 - 2 * me->x * me->x - 2 * me->z * me->z;  in oquatf_get_mat4x4()
197 	mat[1][2] =     2 * me->y * me->z - 2 * me->w * me->x;  in oquatf_get_mat4x4()
200 	mat[2][0] =     2 * me->x * me->z - 2 * me->w * me->y;  in oquatf_get_mat4x4()
201 	mat[2][1] =     2 * me->y * me->z + 2 * me->w * me->x;  in oquatf_get_mat4x4()
202 	mat[2][2] = 1 - 2 * me->x * me->x - 2 * me->y * me->y;  in oquatf_get_mat4x4()
214 void omat4x4f_init_ident(mat4x4f* me)  in omat4x4f_init_ident()  argument
216 	memset(me, 0, sizeof(*me));  in omat4x4f_init_ident()
217 	me->m[0][0] = 1.0f;  in omat4x4f_init_ident()
218 	me->m[1][1] = 1.0f;  in omat4x4f_init_ident()
219 	me->m[2][2] = 1.0f;  in omat4x4f_init_ident()
220 	me->m[3][3] = 1.0f;  in omat4x4f_init_ident()
223 void omat4x4f_init_perspective(mat4x4f* me, float fovy_rad, float aspect, float znear, float zfar)  in omat4x4f_init_perspective()  argument
232 		omat4x4f_init_ident(me);  in omat4x4f_init_perspective()
238 	me->m[0][0] = cotangent / aspect;  in omat4x4f_init_perspective()
239 	me->m[0][1] = 0;  in omat4x4f_init_perspective()
240 	me->m[0][2] = 0;  in omat4x4f_init_perspective()
241 	me->m[0][3] = 0;  in omat4x4f_init_perspective()
243 	me->m[1][0] = 0;  in omat4x4f_init_perspective()
244 	me->m[1][1] = cotangent;  in omat4x4f_init_perspective()
245 	me->m[1][2] = 0;  in omat4x4f_init_perspective()
246 	me->m[1][3] = 0;  in omat4x4f_init_perspective()
248 	me->m[2][0] = 0;  in omat4x4f_init_perspective()
249 	me->m[2][1] = 0;  in omat4x4f_init_perspective()
250 	me->m[2][2] = -(zfar + znear) / delta;  in omat4x4f_init_perspective()
251 	me->m[2][3] = -2.0f * znear * zfar / delta;  in omat4x4f_init_perspective()
253 	me->m[3][0] = 0;  in omat4x4f_init_perspective()
254 	me->m[3][1] = 0;  in omat4x4f_init_perspective()
255 	me->m[3][2] = -1.0f;  in omat4x4f_init_perspective()
256 	me->m[3][3] = 0;  in omat4x4f_init_perspective()
259 void omat4x4f_init_frustum(mat4x4f* me, float left, float right, float bottom, float top, float zne…  in omat4x4f_init_frustum()  argument
261     omat4x4f_init_ident(me);  in omat4x4f_init_frustum()
271 	me->m[0][0] = 2.0f * znear / delta_x;  in omat4x4f_init_frustum()
272 	me->m[0][1] = 0;  in omat4x4f_init_frustum()
273 	me->m[0][2] = (right + left) / delta_x;  in omat4x4f_init_frustum()
274 	me->m[0][3] = 0;  in omat4x4f_init_frustum()
276 	me->m[1][0] = 0;  in omat4x4f_init_frustum()
277 	me->m[1][1] = 2.0f * znear / delta_y;  in omat4x4f_init_frustum()
278 	me->m[1][2] = (top + bottom) / delta_y;  in omat4x4f_init_frustum()
279 	me->m[1][3] = 0;  in omat4x4f_init_frustum()
281 	me->m[2][0] = 0;  in omat4x4f_init_frustum()
282 	me->m[2][1] = 0;  in omat4x4f_init_frustum()
283 	me->m[2][2] = -(zfar + znear) / delta_z;  in omat4x4f_init_frustum()
284 	me->m[2][3] = -2.0f * zfar * znear / delta_z;  in omat4x4f_init_frustum()
286 	me->m[3][0] = 0;  in omat4x4f_init_frustum()
287 	me->m[3][1] = 0;  in omat4x4f_init_frustum()
288 	me->m[3][2] = -1.0f;  in omat4x4f_init_frustum()
289 	me->m[3][3] = 0;  in omat4x4f_init_frustum()
292 void omat4x4f_init_look_at(mat4x4f* me, const quatf* rot, const vec3f* eye)  in omat4x4f_init_look_at()  argument
306 	me->m[0][0] = 1 - 2 * q.y * q.y - 2 * q.z * q.z;  in omat4x4f_init_look_at()
307 	me->m[0][1] =     2 * q.x * q.y - 2 * q.w * q.z;  in omat4x4f_init_look_at()
308 	me->m[0][2] =     2 * q.x * q.z + 2 * q.w * q.y;  in omat4x4f_init_look_at()
309 	me->m[0][3] = p.x * me->m[0][0] + p.y * me->m[0][1] + p.z * me->m[0][2];  in omat4x4f_init_look_at()
311 	me->m[1][0] =     2 * q.x * q.y + 2 * q.w * q.z;  in omat4x4f_init_look_at()
312 	me->m[1][1] = 1 - 2 * q.x * q.x - 2 * q.z * q.z;  in omat4x4f_init_look_at()
313 	me->m[1][2] =     2 * q.y * q.z - 2 * q.w * q.x;  in omat4x4f_init_look_at()
314 	me->m[1][3] = p.x * me->m[1][0] + p.y * me->m[1][1] + p.z * me->m[1][2];  in omat4x4f_init_look_at()
316 	me->m[2][0] =     2 * q.x * q.z - 2 * q.w * q.y;  in omat4x4f_init_look_at()
317 	me->m[2][1] =     2 * q.y * q.z + 2 * q.w * q.x;  in omat4x4f_init_look_at()
318 	me->m[2][2] = 1 - 2 * q.x * q.x - 2 * q.y * q.y;  in omat4x4f_init_look_at()
319 	me->m[2][3] = p.x * me->m[2][0] + p.y * me->m[2][1] + p.z * me->m[2][2];  in omat4x4f_init_look_at()
321 	me->m[3][0] = 0;  in omat4x4f_init_look_at()
322 	me->m[3][1] = 0;  in omat4x4f_init_look_at()
323 	me->m[3][2] = 0;  in omat4x4f_init_look_at()
324 	me->m[3][3] = 1;  in omat4x4f_init_look_at()
327 void omat4x4f_init_translate(mat4x4f* me, float x, float y, float z)  in omat4x4f_init_translate()  argument
329 	omat4x4f_init_ident(me);  in omat4x4f_init_translate()
330 	me->m[0][3] = x;  in omat4x4f_init_translate()
331 	me->m[1][3] = y;  in omat4x4f_init_translate()
332 	me->m[2][3] = z;  in omat4x4f_init_translate()
372 void ofq_init(filter_queue* me, int size)  in ofq_init()  argument
374 	memset(me, 0, sizeof(filter_queue));  in ofq_init()
375 	me->size = size;  in ofq_init()
378 void ofq_add(filter_queue* me, const vec3f* vec)  in ofq_add()  argument
380 	me->elems[me->at] = *vec;  in ofq_add()
381 	me->at = ((me->at + 1) % me->size);  in ofq_add()
384 void ofq_get_mean(const filter_queue* me, vec3f* vec)  in ofq_get_mean()  argument
387 	for(int i = 0; i < me->size; i++){  in ofq_get_mean()
388 		vec->x += me->elems[i].x;  in ofq_get_mean()
389 		vec->y += me->elems[i].y;  in ofq_get_mean()
390 		vec->z += me->elems[i].z;  in ofq_get_mean()
393 	vec->x /= (float)me->size;  in ofq_get_mean()
394 	vec->y /= (float)me->size;  in ofq_get_mean()
395 	vec->z /= (float)me->size;  in ofq_get_mean()