forked from enlightenment/efl
ephysics: change quaternion API to avoid many free calls
It was really annoying and error prone (easy to leak). SVN revision: 79299
This commit is contained in:
parent
8a7f663168
commit
52e0d54174
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@ -118,14 +118,14 @@ _type_set_cb(void *data, Evas_Object *obj, void *event_info __UNUSED__)
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double mass, friction, restitution, lin_damping, ang_damping;
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double lin_sleeping, ang_sleeping;
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EPhysics_Body_Material material;
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EPhysics_Quaternion *rotation;
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EPhysics_Quaternion rotation;
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Evas_Object *body_image;
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EPhysics_World *world;
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Body_Data *bd = data;
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EPhysics_Body *body = bd->body;
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mass = ephysics_body_mass_get(body);
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rotation = ephysics_body_rotation_get(body);
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ephysics_body_rotation_get(body, &rotation);
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friction = ephysics_body_friction_get(body);
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restitution = ephysics_body_restitution_get(body);
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ephysics_body_damping_get(body, &lin_damping, &ang_damping);
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@ -152,7 +152,7 @@ _type_set_cb(void *data, Evas_Object *obj, void *event_info __UNUSED__)
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ephysics_body_evas_object_set(body, body_image, EINA_TRUE);
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ephysics_body_mass_set(body, mass);
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ephysics_body_rotation_set(body, rotation);
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ephysics_body_rotation_set(body, &rotation);
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ephysics_body_friction_set(body, friction);
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ephysics_body_restitution_set(body, restitution);
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ephysics_body_damping_set(body, lin_damping, ang_damping);
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@ -168,7 +168,6 @@ _type_set_cb(void *data, Evas_Object *obj, void *event_info __UNUSED__)
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elm_slider_value_get(bd->controls.force.torque));
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bd->body = body;
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free(rotation);
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}
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static void
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@ -229,13 +228,10 @@ _density_set_cb(void *data, Evas_Object *obj, void *event_info __UNUSED__)
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static void
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_rotation_set_cb(void *data, Evas_Object *obj, void *event_info __UNUSED__)
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{
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EPhysics_Quaternion *quat;
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EPhysics_Quaternion quat;
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Body_Data *bd = data;
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quat = ephysics_quaternion_new(0, 0, 0, 0);
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ephysics_quaternion_euler_set(quat, 0, 0, elm_slider_value_get(obj));
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ephysics_body_rotation_set(bd->body, quat);
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free(quat);
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ephysics_quaternion_euler_set(&quat, 0, 0, elm_slider_value_get(obj));
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ephysics_body_rotation_set(bd->body, &quat);
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}
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static void
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@ -7,18 +7,14 @@
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static void
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_pos_print_cb(void *data __UNUSED__, EPhysics_Body *body, void *event_info __UNUSED__)
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{
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EPhysics_Quaternion *quat;
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double rx, ry, rz, rw;
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EPhysics_Quaternion quat;
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Evas_Coord x, y, z;
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ephysics_body_geometry_get(body, &x, &y, &z, NULL, NULL, NULL);
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quat = ephysics_body_rotation_get(body);
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ephysics_quaternion_get(quat, &rx, &ry, &rz, &rw);
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free(quat);
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ephysics_body_rotation_get(body, &quat);
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printf("Position X:%i Y:%i Z:%i\n", x, y, z);
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printf("Rotation X:%lf Y:%lf Z:%lf W:%lf\n", rx, ry, rz, rw);
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printf("Rotation X:%lf Y:%lf Z:%lf W:%lf\n", quat.x, quat.y, quat.z, quat.w);
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}
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static Eina_Bool
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@ -9,7 +9,7 @@
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static void
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_mouse_move_cb(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info)
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{
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EPhysics_Quaternion *quat_prev, *quat_delta, *quat;
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EPhysics_Quaternion quat_prev, quat_delta, quat;
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Evas_Event_Mouse_Move *mmove = event_info;
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EPhysics_Body *body = data;
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double rx, ry;
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@ -19,15 +19,10 @@ _mouse_move_cb(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void
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rx = mmove->cur.output.y - mmove->prev.output.y;
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ry = mmove->cur.output.x - mmove->prev.output.x;
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quat_prev = ephysics_body_rotation_get(body);
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quat_delta = ephysics_quaternion_new(0, 0, 0, 0);
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ephysics_quaternion_euler_set(quat_delta, -ry * 0.06, - rx * 0.04, 0);
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quat = ephysics_quaternion_multiply(quat_prev, quat_delta);
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ephysics_body_rotation_set(body, quat);
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free(quat_prev);
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free(quat_delta);
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free(quat);
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ephysics_body_rotation_get(body, &quat_prev);
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ephysics_quaternion_euler_set(&quat_delta, -ry * 0.06, - rx * 0.04, 0);
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ephysics_quaternion_multiply(&quat_prev, &quat_delta, &quat);
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ephysics_body_rotation_set(body, &quat);
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}
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static void
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@ -7,19 +7,15 @@
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static Eina_Bool
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_rotate_cb(void *data)
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{
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EPhysics_Quaternion *quat_prev, *quat_delta, *quat;
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EPhysics_Quaternion *quat_prev, quat_delta, quat;
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EPhysics_Body *body = data;
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quat_prev = ephysics_body_rotation_get(body);
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quat_delta = ephysics_quaternion_new(0, 0, -0.15, 0.98);
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ephysics_quaternion_normalize(quat_delta);
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quat = ephysics_quaternion_multiply(quat_delta, quat_prev);
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ephysics_body_rotation_set(body, quat);
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quat_prev = ephysics_body_rotation_get(body, NULL);
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ephysics_quaternion_set(&quat_delta, 0, 0, -0.15, 0.98);
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ephysics_quaternion_normalize(&quat_delta);
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ephysics_body_rotation_set(
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body, ephysics_quaternion_multiply(&quat_delta, quat_prev, &quat));
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free(quat_prev);
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free(quat_delta);
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free(quat);
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return EINA_TRUE;
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}
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@ -74,14 +70,13 @@ static void
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_update_object_cb(void *data __UNUSED__, EPhysics_Body *body, void *event_info __UNUSED__)
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{
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double rx, ry, rz, rw, vrot, torque;
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EPhysics_Quaternion *quat;
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EPhysics_Quaternion quat;
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ephysics_body_angular_velocity_get(body, NULL, NULL, &vrot);
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ephysics_body_torques_get(body, NULL, NULL, &torque);
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quat = ephysics_body_rotation_get(body);
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ephysics_quaternion_get(quat, &rx, &ry, &rz, &rw);
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free(quat);
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ephysics_body_rotation_get(body, &quat);
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ephysics_quaternion_get(&quat, &rx, &ry, &rz, &rw);
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ephysics_body_evas_object_update(body);
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@ -157,20 +157,30 @@ EAPI int ephysics_shutdown(void);
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*/
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typedef struct _EPhysics_Quaternion EPhysics_Quaternion;
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/**
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* @struct _EPhysics_Quaternion
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*
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* Quaternion coordinates and rotation (w, x, y, z)
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*/
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struct _EPhysics_Quaternion
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{
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double w; /**< rotation */
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double x; /**< x coordinate */
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double y; /**< y coordinate */
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double z; /**< z coordinate */
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};
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/**
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* @brief
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* Create a new quaternion.
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*
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* @note It should be deleted with free() after usage is concluded.
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*
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* By default a quaternion is created as identity (w = 1, x = 0, y = 0, z = 0).
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* This values can be modified later by quaternion operations or set directly.
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*
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* @param x The x coordinate.
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* @param y The y coordinate.
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* @param z The z coordinate.
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* @param w The rotation.
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* @return The created quaternion or @c NULL on error.
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*
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* @note It should be deleted with free() after usage is concluded.
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*
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* @see ephysics_quaternion_set();
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* @see ephysics_quaternion_axis_angle_set();
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* @see ephysics_quaternion_euler_set();
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@ -179,7 +189,7 @@ typedef struct _EPhysics_Quaternion EPhysics_Quaternion;
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*
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* @ingroup EPhysics_Quaternion
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*/
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EAPI EPhysics_Quaternion *ephysics_quaternion_new(double x, double y, double z, double w);
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EAPI EPhysics_Quaternion *ephysics_quaternion_new(void);
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/**
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* @brief
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@ -325,13 +335,13 @@ EAPI void ephysics_quaternion_inverse_scale(EPhysics_Quaternion *quat, double sc
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*
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* @param quat1 First quaternion to sum.
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* @param quat2 Second quaternion to sum.
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* @param result Quaternion used to store the result. If it's @c NULL, a new
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* quaternion will be allocated (and should be freed after usage).
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* @return The sum quaternion or @c NULL on error.
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*
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* @note It should be freed after usage.
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*
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* @ingroup EPhysics_Quaternion
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*/
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EAPI EPhysics_Quaternion *ephysics_quaternion_sum(const EPhysics_Quaternion *quat1, const EPhysics_Quaternion *quat2);
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EAPI EPhysics_Quaternion *ephysics_quaternion_sum(const EPhysics_Quaternion *quat1, const EPhysics_Quaternion *quat2, EPhysics_Quaternion *result);
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/**
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* @brief
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@ -339,13 +349,13 @@ EAPI EPhysics_Quaternion *ephysics_quaternion_sum(const EPhysics_Quaternion *qua
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*
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* @param quat1 First quaternion.
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* @param quat2 Second quaternion.
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* @param result Quaternion used to store the result. If it's @c NULL, a new
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* quaternion will be allocated (and should be freed after usage).
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* @return The difference between @p quat1 and @p quat2, or @c NULL on error.
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*
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* @note It should be freed after usage.
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*
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* @ingroup EPhysics_Quaternion
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*/
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EAPI EPhysics_Quaternion *ephysics_quaternion_diff(const EPhysics_Quaternion *quat1, const EPhysics_Quaternion *quat2);
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EAPI EPhysics_Quaternion *ephysics_quaternion_diff(const EPhysics_Quaternion *quat1, const EPhysics_Quaternion *quat2, EPhysics_Quaternion *result);
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/**
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* @brief
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@ -353,14 +363,14 @@ EAPI EPhysics_Quaternion *ephysics_quaternion_diff(const EPhysics_Quaternion *qu
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*
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* @param quat1 First quaternion.
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* @param quat2 Second quaternion.
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* @param result Quaternion used to store the result. If it's @c NULL, a new
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* quaternion will be allocated (and should be freed after usage).
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* @return The @p quat1 multiplied by @p quat2 on the right, or @c NULL
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* on error.
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*
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* @note It should be freed after usage.
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*
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* @ingroup EPhysics_Quaternion
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*/
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EAPI EPhysics_Quaternion *ephysics_quaternion_multiply(const EPhysics_Quaternion *quat1, const EPhysics_Quaternion *quat2);
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EAPI EPhysics_Quaternion *ephysics_quaternion_multiply(const EPhysics_Quaternion *quat1, const EPhysics_Quaternion *quat2, EPhysics_Quaternion *result);
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/**
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* @brief
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@ -374,14 +384,14 @@ EAPI EPhysics_Quaternion *ephysics_quaternion_multiply(const EPhysics_Quaternion
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* @param ratio The ratio between @p quat1 and @p quat2 to interpolate. If
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* @p ratio = 0, the result is @p quat1, if @p ratio = 1, the result is
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* @p quat2.
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* @param result Quaternion used to store the result. If it's @c NULL, a new
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* quaternion will be allocated (and should be freed after usage).
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* @return The result of slerp between @p quat1 and @p quat2, or @c NULL
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* on error.
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*
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* @note It should be freed after usage.
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*
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* @ingroup EPhysics_Quaternion
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*/
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EAPI EPhysics_Quaternion *ephysics_quaternion_slerp(const EPhysics_Quaternion *quat1, const EPhysics_Quaternion *quat2, double ratio);
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EAPI EPhysics_Quaternion *ephysics_quaternion_slerp(const EPhysics_Quaternion *quat1, const EPhysics_Quaternion *quat2, double ratio, EPhysics_Quaternion *result);
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/**
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* @brief
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@ -3738,18 +3748,19 @@ EAPI void ephysics_body_linear_movement_enable_get(const EPhysics_Body *body, Ei
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* @brief
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* Get body's rotation quaternion.
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*
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* By default rotation is 0 degree on all axes.
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* By default rotation is 0 degree on all axes (1, 0, 0, 0).
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*
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* @param body The physics body.
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* @return A quaternion or @c NULL on error. It should be freed with free()
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* after usage.
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* @param rotation Quaternion used to store the result. If it's @c NULL, a new
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* quaternion will be allocated (and should be freed after usage).
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* @return A quaternion or @c NULL on error.
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*
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* @see ephysics_body_rotation_set()
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* @see ephysics_quaternion_get()
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*
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* @ingroup EPhysics_Body
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*/
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EAPI EPhysics_Quaternion *ephysics_body_rotation_get(const EPhysics_Body *body);
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EAPI EPhysics_Quaternion *ephysics_body_rotation_get(const EPhysics_Body *body, EPhysics_Quaternion *rotation);
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/**
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* @brief
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@ -3268,7 +3268,7 @@ ephysics_body_angular_movement_enable_get(const EPhysics_Body *body, Eina_Bool *
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}
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EAPI EPhysics_Quaternion *
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ephysics_body_rotation_get(const EPhysics_Body *body)
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ephysics_body_rotation_get(const EPhysics_Body *body, EPhysics_Quaternion *rotation)
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{
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EPhysics_Quaternion *quat;
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btTransform trans;
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@ -3279,11 +3279,20 @@ ephysics_body_rotation_get(const EPhysics_Body *body)
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return NULL;
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}
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if (!rotation)
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{
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quat = ephysics_quaternion_new();
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if (!quat) return NULL;
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}
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else
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quat = rotation;
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trans = _ephysics_body_transform_get(body);
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quat = ephysics_quaternion_new(trans.getRotation().x(),
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trans.getRotation().y(),
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trans.getRotation().z(),
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trans.getRotation().getW());
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quat->x = trans.getRotation().x();
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quat->y = trans.getRotation().y();
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quat->z = trans.getRotation().z();
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quat->w = trans.getRotation().getW();
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return quat;
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}
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@ -8,13 +8,6 @@
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extern "C" {
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#endif
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struct _EPhysics_Quaternion {
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double x;
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double y;
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double z;
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double w;
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};
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static void
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_ephysics_quaternion_update(EPhysics_Quaternion *quat, btQuaternion *bt_quat)
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{
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@ -24,8 +17,23 @@ _ephysics_quaternion_update(EPhysics_Quaternion *quat, btQuaternion *bt_quat)
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quat->w = bt_quat->getW();
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}
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static EPhysics_Quaternion *
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_ephysics_quaternion_params_check(const EPhysics_Quaternion *quat1, const EPhysics_Quaternion *quat2, EPhysics_Quaternion *result)
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{
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if ((!quat1) || (!quat2))
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{
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ERR("Can't operate over null quaternions.");
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return NULL;
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}
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if (result)
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return result;
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return ephysics_quaternion_new();
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}
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EAPI EPhysics_Quaternion *
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ephysics_quaternion_new(double x, double y, double z, double w)
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ephysics_quaternion_new(void)
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{
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EPhysics_Quaternion *quat;
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@ -37,11 +45,7 @@ ephysics_quaternion_new(double x, double y, double z, double w)
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return NULL;
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}
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quat->x = x;
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quat->y = y;
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quat->z = z;
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quat->w = w;
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quat->w = 1;
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return quat;
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}
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@ -192,79 +196,71 @@ ephysics_quaternion_inverse_scale(EPhysics_Quaternion *quat, double scale)
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}
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EAPI EPhysics_Quaternion *
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ephysics_quaternion_sum(const EPhysics_Quaternion *quat1, const EPhysics_Quaternion *quat2)
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ephysics_quaternion_sum(const EPhysics_Quaternion *quat1, const EPhysics_Quaternion *quat2, EPhysics_Quaternion *result)
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{
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btQuaternion bt_quat1, bt_quat2, bt_quat;
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EPhysics_Quaternion *quat;
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if ((!quat1) || (!quat2))
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{
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ERR("Can't operate over null quaternions.");
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return NULL;
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}
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quat = _ephysics_quaternion_params_check(quat1, quat2, result);
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if (!quat) return NULL;
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bt_quat1 = btQuaternion(quat1->x, quat1->y, quat1->z, quat1->w);
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bt_quat2 = btQuaternion(quat2->x, quat2->y, quat2->z, quat2->w);
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bt_quat = bt_quat1 + bt_quat2;
|
||||
|
||||
return ephysics_quaternion_new(bt_quat.x(), bt_quat.y(), bt_quat.z(),
|
||||
bt_quat.getW());
|
||||
_ephysics_quaternion_update(quat, &bt_quat);
|
||||
return quat;
|
||||
}
|
||||
|
||||
EAPI EPhysics_Quaternion *
|
||||
ephysics_quaternion_diff(const EPhysics_Quaternion *quat1, const EPhysics_Quaternion *quat2)
|
||||
ephysics_quaternion_diff(const EPhysics_Quaternion *quat1, const EPhysics_Quaternion *quat2, EPhysics_Quaternion *result)
|
||||
{
|
||||
btQuaternion bt_quat1, bt_quat2, bt_quat;
|
||||
EPhysics_Quaternion *quat;
|
||||
|
||||
if ((!quat1) || (!quat2))
|
||||
{
|
||||
ERR("Can't operate over null quaternions.");
|
||||
return NULL;
|
||||
}
|
||||
quat = _ephysics_quaternion_params_check(quat1, quat2, result);
|
||||
if (!quat) return NULL;
|
||||
|
||||
bt_quat1 = btQuaternion(quat1->x, quat1->y, quat1->z, quat1->w);
|
||||
bt_quat2 = btQuaternion(quat2->x, quat2->y, quat2->z, quat2->w);
|
||||
bt_quat = bt_quat1 - bt_quat2;
|
||||
|
||||
return ephysics_quaternion_new(bt_quat.x(), bt_quat.y(), bt_quat.z(),
|
||||
bt_quat.getW());
|
||||
_ephysics_quaternion_update(quat, &bt_quat);
|
||||
return quat;
|
||||
}
|
||||
|
||||
EAPI EPhysics_Quaternion *
|
||||
ephysics_quaternion_multiply(const EPhysics_Quaternion *quat1, const EPhysics_Quaternion *quat2)
|
||||
ephysics_quaternion_multiply(const EPhysics_Quaternion *quat1, const EPhysics_Quaternion *quat2, EPhysics_Quaternion *result)
|
||||
{
|
||||
btQuaternion bt_quat1, bt_quat2, bt_quat;
|
||||
EPhysics_Quaternion *quat;
|
||||
|
||||
if ((!quat1) || (!quat2))
|
||||
{
|
||||
ERR("Can't operate over null quaternions.");
|
||||
return NULL;
|
||||
}
|
||||
quat = _ephysics_quaternion_params_check(quat1, quat2, result);
|
||||
if (!quat) return NULL;
|
||||
|
||||
bt_quat1 = btQuaternion(quat1->x, quat1->y, quat1->z, quat1->w);
|
||||
bt_quat2 = btQuaternion(quat2->x, quat2->y, quat2->z, quat2->w);
|
||||
bt_quat = bt_quat1 * bt_quat2;
|
||||
|
||||
return ephysics_quaternion_new(bt_quat.x(), bt_quat.y(), bt_quat.z(),
|
||||
bt_quat.getW());
|
||||
_ephysics_quaternion_update(quat, &bt_quat);
|
||||
return quat;
|
||||
}
|
||||
|
||||
EAPI EPhysics_Quaternion *
|
||||
ephysics_quaternion_slerp(const EPhysics_Quaternion *quat1, const EPhysics_Quaternion *quat2, double ratio)
|
||||
ephysics_quaternion_slerp(const EPhysics_Quaternion *quat1, const EPhysics_Quaternion *quat2, double ratio, EPhysics_Quaternion *result)
|
||||
{
|
||||
btQuaternion bt_quat1, bt_quat2;
|
||||
EPhysics_Quaternion *quat;
|
||||
|
||||
if ((!quat1) || (!quat2))
|
||||
{
|
||||
ERR("Can't operate over null quaternions.");
|
||||
return NULL;
|
||||
}
|
||||
quat = _ephysics_quaternion_params_check(quat1, quat2, result);
|
||||
if (!quat) return NULL;
|
||||
|
||||
bt_quat1 = btQuaternion(quat1->x, quat1->y, quat1->z, quat1->w);
|
||||
bt_quat2 = btQuaternion(quat2->x, quat2->y, quat2->z, quat2->w);
|
||||
bt_quat1.slerp(bt_quat2, ratio);
|
||||
|
||||
return ephysics_quaternion_new(bt_quat1.x(), bt_quat1.y(), bt_quat1.z(),
|
||||
bt_quat1.getW());
|
||||
_ephysics_quaternion_update(quat, &bt_quat1);
|
||||
return quat;
|
||||
}
|
||||
|
||||
EAPI double
|
||||
|
|
Loading…
Reference in New Issue