(fabs(a - b) > FLT_EPSILON)
typedef struct _Evas_Color Evas_Color;
-typedef struct _Evas_Vec2 Evas_Vec2;
-typedef struct _Evas_Vec3 Evas_Vec3;
typedef struct _Evas_Box2 Evas_Box2;
typedef struct _Evas_Box3 Evas_Box3;
typedef struct _Evas_Line3 Evas_Line3;
Evas_Real a;
};
-struct _Evas_Vec2
-{
- Evas_Real x;
- Evas_Real y;
-};
-
-struct _Evas_Vec3
-{
- Evas_Real x;
- Evas_Real y;
- Evas_Real z;
-};
-
struct _Evas_Box2
{
- Evas_Vec2 p0;
- Evas_Vec2 p1;
+ Eina_Vector2 p0;
+ Eina_Vector2 p1;
};
struct _Evas_Box3
{
- Evas_Vec3 p0;
- Evas_Vec3 p1;
+ Eina_Vector3 p0;
+ Eina_Vector3 p1;
};
struct _Evas_Line3
{
- Evas_Vec3 point;
- Evas_Vec3 direction;
+ Eina_Vector3 point;
+ Eina_Vector3 direction;
};
struct _Evas_Triangle3
{
- Evas_Vec3 p0;
- Evas_Vec3 p1;
- Evas_Vec3 p2;
+ Eina_Vector3 p0;
+ Eina_Vector3 p1;
+ Eina_Vector3 p2;
};
struct _Evas_Ray3
{
- Evas_Vec3 org;
- Evas_Vec3 dir;
+ Eina_Vector3 org;
+ Eina_Vector3 dir;
};
struct _Evas_Sphere
{
- Evas_Vec3 center;
+ Eina_Vector3 center;
Evas_Real radius;
};
-/* 2D vector */
-static inline void
-evas_vec2_set(Evas_Vec2 *dst, Evas_Real x, Evas_Real y)
-{
- dst->x = x;
- dst->y = y;
-}
-
-static inline void
-evas_vec2_array_set(Evas_Vec2 *dst, const Evas_Real *v)
-{
- dst->x = v[0];
- dst->y = v[1];
-}
-
-static inline void
-evas_vec2_copy(Evas_Vec2 *dst, const Evas_Vec2 *src)
-{
- dst->x = src->x;
- dst->y = src->y;
-}
-
-static inline void
-evas_vec2_negate(Evas_Vec2 *out, const Evas_Vec2 *v)
-{
- out->x = -v->x;
- out->y = -v->y;
-}
-
-static inline void
-evas_vec2_add(Evas_Vec2 *out, const Evas_Vec2 *a, const Evas_Vec2 *b)
-{
- out->x = a->x + b->x;
- out->y = a->y + b->y;
-}
-
-static inline void
-evas_vec2_subtract(Evas_Vec2 *out, const Evas_Vec2 *a, const Evas_Vec2 *b)
-{
- out->x = a->x - b->x;
- out->y = a->y - b->y;
-}
-
-static inline void
-evas_vec2_scale(Evas_Vec2 *out, const Evas_Vec2 *v, Evas_Real scale)
-{
- out->x = scale * v->x;
- out->y = scale * v->y;
-}
-
-static inline Evas_Real
-evas_vec2_dot_product(const Evas_Vec2 *a, const Evas_Vec2 *b)
-{
- return (a->x * b->x) + (a->y * b->y);
-}
-
-static inline Evas_Real
-evas_vec2_length_get(const Evas_Vec2 *v)
-{
- return (Evas_Real)sqrt((double)((v->x * v->x) + (v->y * v->y)));
-}
-
-static inline Evas_Real
-evas_vec2_length_square_get(const Evas_Vec2 *v)
-{
- return (v->x * v->x) + (v->y * v->y);
-}
-
-static inline Evas_Real
-evas_vec2_distance_get(const Evas_Vec2 *a, const Evas_Vec2 *b)
-{
- Evas_Vec2 v;
-
- evas_vec2_subtract(&v, a, b);
- return evas_vec2_length_get(&v);
-}
-
-static inline Evas_Real
-evas_vec2_distance_square_get(const Evas_Vec2 *a, const Evas_Vec2 *b)
-{
- Evas_Vec2 v;
-
- evas_vec2_subtract(&v, a, b);
- return evas_vec2_length_square_get(&v);
-}
-
-static inline void
-evas_vec2_normalize(Evas_Vec2 *out, const Evas_Vec2 *v)
-{
- /* Assume "v" is not a zero vector */
- evas_vec2_scale(out, v, 1.0 / evas_vec2_length_get(v));
-}
-
-static inline void
-evas_vec2_transform(Evas_Vec2 *out, const Eina_Matrix2 *m, const Evas_Vec2 *v)
-{
- Evas_Vec2 tmp;
-
- tmp.x = (m->xx * v->x) + (m->yx * v->y);
- tmp.y = (m->xy * v->x) + (m->yy * v->y);
-
- evas_vec2_copy(out, &tmp);
-}
-
-static inline void
-evas_vec2_homogeneous_position_transform(Evas_Vec2 *out, const Eina_Matrix3 *m, const Evas_Vec2 *v)
-{
- Evas_Vec2 tmp;
-
- tmp.x = (m->xx * v->x) + (m->yx * v->y) + m->zx;
- tmp.y = (m->xy * v->x) + (m->yy * v->y) + m->zy;
-
- evas_vec2_scale(out, &tmp, 1.0 / ((m->xz * v->x) + (m->yz * v->y) + m->zz));
-}
-
-static inline void
-evas_vec2_homogeneous_direction_transform(Evas_Vec2 *out, const Eina_Matrix3 *m, const Evas_Vec2 *v)
-{
- Evas_Vec2 tmp;
-
- tmp.x = (m->xx * v->x) + (m->yx * v->y);
- tmp.y = (m->xy * v->x) + (m->yy * v->y);
-
- evas_vec2_copy(out, &tmp);
-}
-
-/* 3D vector */
-static inline void
-evas_vec3_set(Evas_Vec3 *dst, Evas_Real x, Evas_Real y, Evas_Real z)
-{
- dst->x = x;
- dst->y = y;
- dst->z = z;
-}
-
-static inline void
-evas_vec3_array_set(Evas_Vec3 *dst, const Evas_Real *v)
-{
- dst->x = v[0];
- dst->y = v[1];
- dst->z = v[2];
-}
-
-static inline void
-evas_vec3_copy(Evas_Vec3 *dst, const Evas_Vec3 *src)
-{
- dst->x = src->x;
- dst->y = src->y;
- dst->z = src->z;
-}
-
-static inline void
-evas_vec3_negate(Evas_Vec3 *out, const Evas_Vec3 *v)
-{
- out->x = -v->x;
- out->y = -v->y;
- out->z = -v->z;
-}
-
-static inline void
-evas_vec3_add(Evas_Vec3 *out, const Evas_Vec3 *a, const Evas_Vec3 *b)
-{
- out->x = a->x + b->x;
- out->y = a->y + b->y;
- out->z = a->z + b->z;
-}
-
-static inline void
-evas_vec3_subtract(Evas_Vec3 *out, const Evas_Vec3 *a, const Evas_Vec3 *b)
-{
- out->x = a->x - b->x;
- out->y = a->y - b->y;
- out->z = a->z - b->z;
-}
-
-static inline void
-evas_vec3_scale(Evas_Vec3 *out, const Evas_Vec3 *v, Evas_Real scale)
-{
- out->x = scale * v->x;
- out->y = scale * v->y;
- out->z = scale * v->z;
-}
-
-static inline void
-evas_vec3_multiply(Evas_Vec3 *out, const Evas_Vec3 *a, const Evas_Vec3 *b)
-{
- out->x = a->x * b->x;
- out->y = a->y * b->y;
- out->z = a->z * b->z;
-}
-
-static inline Evas_Real
-evas_vec3_dot_product(const Evas_Vec3 *a, const Evas_Vec3 *b)
-{
- return (a->x * b->x) + (a->y * b->y) + (a->z * b->z);
-}
-
-static inline void
-evas_vec3_cross_product(Evas_Vec3 *out, const Evas_Vec3 *a, const Evas_Vec3 *b)
-{
- Evas_Vec3 tmp;
-
- tmp.x = a->y * b->z - a->z * b->y;
- tmp.y = a->z * b->x - a->x * b->z;
- tmp.z = a->x * b->y - a->y * b->x;
-
- evas_vec3_copy(out, &tmp);
-}
-
-static inline Evas_Real
-evas_vec3_length_get(const Evas_Vec3 *v)
-{
- return (Evas_Real)sqrt((double)((v->x * v->x) + (v->y * v->y) + (v->z * v->z)));
-}
-
-static inline Evas_Real
-evas_vec3_length_square_get(const Evas_Vec3 *v)
-{
- return (v->x * v->x) + (v->y * v->y) + (v->z * v->z);
-}
-
-static inline Evas_Real
-evas_vec3_distance_get(const Evas_Vec3 *a, const Evas_Vec3 *b)
-{
- Evas_Vec3 v;
-
- evas_vec3_subtract(&v, a, b);
- return evas_vec3_length_get(&v);
-}
-
-static inline Evas_Real
-evas_vec3_distance_square_get(const Evas_Vec3 *a, const Evas_Vec3 *b)
-{
- Evas_Vec3 v;
-
- evas_vec3_subtract(&v, a, b);
- return evas_vec3_length_square_get(&v);
-}
-
-static inline Evas_Real
-evas_vec3_angle_get(const Evas_Vec3 *a, const Evas_Vec3 *b)
-{
- Evas_Real angle;
-
- angle = evas_vec3_dot_product(a, b) / (evas_vec3_length_get(a) * evas_vec3_length_get(b));
- return angle;
-}
-
-static inline void
-evas_vec3_normalize(Evas_Vec3 *out, const Evas_Vec3 *v)
-{
- /* Assume "v" is not a zero vector */
- evas_vec3_scale(out, v, 1.0 / evas_vec3_length_get(v));
-}
-
-static inline void
-evas_vec3_transform(Evas_Vec3 *out, const Evas_Vec3 *v, const Eina_Matrix3 *m)
-{
- Evas_Vec3 tmp;
-
- if (eina_matrix3_type_get(m) == EINA_MATRIX_TYPE_IDENTITY)
- {
- evas_vec3_copy(out, v);
- return;
- }
-
- tmp.x = (m->xx * v->x) + (m->yx * v->y) + (m->zx * v->z);
- tmp.y = (m->xy * v->x) + (m->yy * v->y) + (m->zy * v->z);
- tmp.z = (m->xz * v->x) + (m->yz * v->y) + (m->zz * v->z);
-
- evas_vec3_copy(out, &tmp);
-}
-
-static inline void
-evas_vec3_homogeneous_position_transform(Evas_Vec3 *out, const Evas_Vec3 *v, const Eina_Matrix4 *m)
-{
- Evas_Vec3 tmp;
-
- if (eina_matrix4_type_get(m) == EINA_MATRIX_TYPE_IDENTITY)
- {
- evas_vec3_copy(out, v);
- return;
- }
-
- tmp.x = (m->xx * v->x) + (m->yx * v->y) + (m->zx * v->z) + m->wx;
- tmp.y = (m->xy * v->x) + (m->yy * v->y) + (m->zy * v->z) + m->wy;
- tmp.z = (m->xz * v->x) + (m->yz * v->y) + (m->zz * v->z) + m->wz;
-
- evas_vec3_scale(out, &tmp,
- 1.0 / ((m->xw * v->x) + (m->yw * v->y) + (m->zw * v->z) + m->ww));
-}
-
-static inline void
-evas_vec3_homogeneous_direction_transform(Evas_Vec3 *out, const Evas_Vec3 *v, const Eina_Matrix4 *m)
-{
- Evas_Vec3 tmp;
-
- if (eina_matrix4_type_get(m) == EINA_MATRIX_TYPE_IDENTITY)
- {
- evas_vec3_copy(out, v);
- return;
- }
-
- tmp.x = (m->xx * v->x) + (m->yx * v->y) + (m->zx * v->z);
- tmp.y = (m->xy * v->x) + (m->yy * v->y) + (m->zy * v->z);
- tmp.z = (m->xz * v->x) + (m->yz * v->y) + (m->zz * v->z);
-
- evas_vec3_copy(out, &tmp);
-}
-
-static inline void
-evas_vec3_quaternion_rotate(Evas_Vec3 *out, const Evas_Vec3 *v, const Eina_Quaternion *q)
-{
- Evas_Vec3 uv, uuv;
- Evas_Vec3 axis;
-
- evas_vec3_set(&axis, q->x, q->y, q->z);
-
- evas_vec3_cross_product(&uv, &axis, v);
- evas_vec3_cross_product(&uuv, &axis, &uv);
-
- evas_vec3_scale(&uv, &uv, 2.0 * q->w);
- evas_vec3_scale(&uuv, &uuv, 2.0);
-
- out->x = v->x + uv.x + uuv.x;
- out->y = v->y + uv.y + uuv.y;
- out->z = v->z + uv.z + uuv.z;
-}
-
-static inline void
-evas_vec3_orthogonal_projection_on_plain(Evas_Vec3 *out, const Evas_Vec3 *v, const Evas_Vec3 *normal)
-{
- Evas_Real a;
- Evas_Vec3 projection;
-
- /* Orthoprojection of vector on the plane is the difference
- between a vector and its orthogonal projection onto the orthogonal
- complement to the plane */
- a = evas_vec3_dot_product(v, normal) / evas_vec3_length_square_get(normal);
- evas_vec3_scale(&projection, normal, a);
- evas_vec3_subtract(out, v, &projection);
-
- return;
-}
-
-static inline void
-evas_vec3_plain_by_points(Eina_Quaternion *out, const Evas_Vec3 *a, const Evas_Vec3 *b, const Evas_Vec3 *c)
-{
- out->x = (b->y - a->y) * (c->z - a->z) - (b->z - a->z) * (c->y - a->y);
- out->y = -(b->x - a->x) * (c->z - a->z) + (b->z - a->z) * (c->x - a->x);
- out->z = (b->x - a->x) * (c->y - a->y) - (b->y - a->y) * (c->x - a->x);
- out->w = (-a->x) * ((b->y - a->y)*(c->z - a->z) - (b->z - a->z) * (c->y - a->y)) -
- (-a->y) * ((b->x - a->x) * (c->z - a->z) - (b->z - a->z) * (c->x - a->x)) +
- (-a->z) * ((b->x - a->x) * (c->y - a->y) - (b->y - a->y) * (c->x - a->x));
-}
-
-static inline void
-evas_vec3_homogeneous_position_set(Evas_Vec3 *out, const Eina_Quaternion *v)
-{
- /* Assume "v" is a positional vector. (v->w != 0.0) */
- Evas_Real h = 1.0 / v->w;
-
- out->x = v->x * h;
- out->y = v->y * h;
- out->z = v->z * h;
-}
-
-static inline void
-evas_vec3_homogeneous_direction_set(Evas_Vec3 *out, const Eina_Quaternion *v)
-{
- /* Assume "v" is a directional vector. (v->w == 0.0) */
- out->x = v->x;
- out->y = v->y;
- out->z = v->z;
-}
-
-static inline Eina_Bool
-evas_vec3_if_equivalent(Evas_Vec3 *a, const Evas_Vec3 *b)
-{
- /* Assume "v" is a directional vector. (v->w == 0.0) */
- return ((a->x == b->x) && (a->y == b->y) && (a->z == b->z));
-}
-
static inline void
-evas_triangle3_set(Evas_Triangle3 *v, Evas_Vec3 *a, Evas_Vec3 *b, Evas_Vec3 *c)
+evas_triangle3_set(Evas_Triangle3 *v, Eina_Vector3 *a, Eina_Vector3 *b, Eina_Vector3 *c)
{
- evas_vec3_copy(&v->p0, a);
- evas_vec3_copy(&v->p1, b);
- evas_vec3_copy(&v->p2, c);
+ eina_vector3_copy(&v->p0, a);
+ eina_vector3_copy(&v->p1, b);
+ eina_vector3_copy(&v->p2, c);
}
static inline Eina_Bool
evas_triangle3_is_line(Evas_Triangle3 *v)
{
- if (evas_vec3_if_equivalent(&v->p0, &v->p1) ||
- evas_vec3_if_equivalent(&v->p0, &v->p2) ||
- evas_vec3_if_equivalent(&v->p1, &v->p2))
+ if (eina_vector3_equivalent(&v->p0, &v->p1) ||
+ eina_vector3_equivalent(&v->p0, &v->p2) ||
+ eina_vector3_equivalent(&v->p1, &v->p2))
return EINA_TRUE;
return EINA_FALSE;
}
static inline Eina_Bool
-convex_hull_triangle3_if_not_first_edje(Evas_Triangle3 *v, Evas_Vec3 *a, Evas_Vec3 *b)
+convex_hull_triangle3_not_first_edje(Evas_Triangle3 *v, Eina_Vector3 *a, Eina_Vector3 *b)
{
if (((v->p1.x == a->x) && (v->p1.y == a->y) && (v->p1.z == a->z)) &&
((v->p2.x == b->x) && (v->p2.y == b->y) && (v->p2.z == b->z)))
}
static inline Eina_Bool
-convex_hull_triangle3_if_first_edje(Evas_Triangle3 *v, Evas_Vec3 *a, Evas_Vec3 *b)
+convex_hull_triangle3_first_edje(Evas_Triangle3 *v, Eina_Vector3 *a, Eina_Vector3 *b)
{
if ((!FLT_COMPARISON(v->p0.x, a->x) && !FLT_COMPARISON(v->p0.y, a->y) &&
!FLT_COMPARISON(v->p0.z, a->z)) && (!FLT_COMPARISON(v->p1.x, b->x) &&
}
static inline Eina_Bool
-convex_hull_triangle3_if_first_point(Evas_Triangle3 *v, Evas_Vec3 *a)
+convex_hull_triangle3_first_point(Evas_Triangle3 *v, Eina_Vector3 *a)
{
return ((v->p0.x == a->x) && (v->p0.y == a->y) && (v->p0.z == a->z));
}
static inline Eina_Bool
-evas_vec3_if_equivalent_as_triangle(Evas_Vec3 *v0, Evas_Vec3 *v1, Evas_Vec3 *v2,
- Evas_Vec3 *w0, Evas_Vec3 *w1, Evas_Vec3 *w2)
+eina_vector3_equivalent_as_triangle(Eina_Vector3 *v0, Eina_Vector3 *v1, Eina_Vector3 *v2,
+ Eina_Vector3 *w0, Eina_Vector3 *w1, Eina_Vector3 *w2)
{
if (((v0->x == w0->x) && (v0->y == w0->y) && (v0->z == w0->z)) &&
((v1->x == w1->x) && (v1->y == w1->y) && (v1->z == w1->z)) &&
}
static inline Eina_Bool
-evas_triangle3_if_equivalent(Evas_Triangle3 *a, Evas_Triangle3 *b)
+evas_triangle3_equivalent(Evas_Triangle3 *a, Evas_Triangle3 *b)
{
/* to compare two triangles there are six permutations
to test because vertices are unordered */
- if (evas_vec3_if_equivalent_as_triangle(&a->p0, &a->p1, &a->p2, &b->p0, &b->p1, &b->p2) ||
- evas_vec3_if_equivalent_as_triangle(&a->p0, &a->p1, &a->p2, &b->p0, &b->p2, &b->p1) ||
- evas_vec3_if_equivalent_as_triangle(&a->p0, &a->p1, &a->p2, &b->p1, &b->p0, &b->p2) ||
- evas_vec3_if_equivalent_as_triangle(&a->p0, &a->p1, &a->p2, &b->p1, &b->p2, &b->p0) ||
- evas_vec3_if_equivalent_as_triangle(&a->p0, &a->p1, &a->p2, &b->p2, &b->p0, &b->p1) ||
- evas_vec3_if_equivalent_as_triangle(&a->p0, &a->p1, &a->p2, &b->p2, &b->p1, &b->p0))
+ if (eina_vector3_equivalent_as_triangle(&a->p0, &a->p1, &a->p2, &b->p0, &b->p1, &b->p2) ||
+ eina_vector3_equivalent_as_triangle(&a->p0, &a->p1, &a->p2, &b->p0, &b->p2, &b->p1) ||
+ eina_vector3_equivalent_as_triangle(&a->p0, &a->p1, &a->p2, &b->p1, &b->p0, &b->p2) ||
+ eina_vector3_equivalent_as_triangle(&a->p0, &a->p1, &a->p2, &b->p1, &b->p2, &b->p0) ||
+ eina_vector3_equivalent_as_triangle(&a->p0, &a->p1, &a->p2, &b->p2, &b->p0, &b->p1) ||
+ eina_vector3_equivalent_as_triangle(&a->p0, &a->p1, &a->p2, &b->p2, &b->p1, &b->p0))
return EINA_TRUE;
return EINA_FALSE;
static inline void
evas_mat4_look_at_set(Eina_Matrix4 *m,
- const Evas_Vec3 *pos, const Evas_Vec3 *center, const Evas_Vec3 *up)
+ const Eina_Vector3 *pos, const Eina_Vector3 *center, const Eina_Vector3 *up)
{
- Evas_Vec3 x, y, z;
+ Eina_Vector3 x, y, z;
- evas_vec3_subtract(&z, pos, center);
- evas_vec3_normalize(&z, &z);
+ eina_vector3_subtract(&z, pos, center);
+ eina_vector3_normalize(&z, &z);
- evas_vec3_cross_product(&x, up, &z);
- evas_vec3_normalize(&x, &x);
+ eina_vector3_cross_product(&x, up, &z);
+ eina_vector3_normalize(&x, &x);
- evas_vec3_cross_product(&y, &z, &x);
- evas_vec3_normalize(&y, &y);
+ eina_vector3_cross_product(&y, &z, &x);
+ eina_vector3_normalize(&y, &y);
m->xx = x.x;
m->xy = y.x;
m->zz = z.z;
m->zw = 0.0;
- m->wx = -evas_vec3_dot_product(&x, pos);
- m->wy = -evas_vec3_dot_product(&y, pos);
- m->wz = -evas_vec3_dot_product(&z, pos);
+ m->wx = -eina_vector3_dot_product(&x, pos);
+ m->wy = -eina_vector3_dot_product(&y, pos);
+ m->wz = -eina_vector3_dot_product(&z, pos);
m->ww = 1.0;
}
static inline void
evas_box3_empty_set(Evas_Box3 *box)
{
- evas_vec3_set(&box->p0, 0.0, 0.0, 0.0);
- evas_vec3_set(&box->p1, 0.0, 0.0, 0.0);
+ eina_vector3_set(&box->p0, 0.0, 0.0, 0.0);
+ eina_vector3_set(&box->p1, 0.0, 0.0, 0.0);
}
static inline void
evas_box3_copy(Evas_Box3 *dst, const Evas_Box3 *src)
{
- evas_vec3_copy(&dst->p0, &src->p0);
- evas_vec3_copy(&dst->p1, &src->p1);
+ eina_vector3_copy(&dst->p0, &src->p0);
+ eina_vector3_copy(&dst->p1, &src->p1);
}
static inline void
evas_box3_union(Evas_Box3 *out, const Evas_Box3 *a, const Evas_Box3 *b)
{
- evas_vec3_set(&out->p0, MIN(a->p0.x, b->p0.x), MIN(a->p0.y, b->p0.y), MIN(a->p0.z, b->p0.z));
- evas_vec3_set(&out->p1, MAX(a->p1.x, b->p1.x), MAX(a->p1.y, b->p1.y), MAX(a->p1.z, b->p1.z));
+ eina_vector3_set(&out->p0, MIN(a->p0.x, b->p0.x), MIN(a->p0.y, b->p0.y), MIN(a->p0.z, b->p0.z));
+ eina_vector3_set(&out->p1, MAX(a->p1.x, b->p1.x), MAX(a->p1.y, b->p1.y), MAX(a->p1.z, b->p1.z));
}
static inline void
}
static inline void
-evas_mat4_direction_get(const Eina_Matrix4 *matrix, Evas_Vec3 *direction)
+evas_mat4_direction_get(const Eina_Matrix4 *matrix, Eina_Vector3 *direction)
{
/* TODO: Check correctness. */
static inline void
evas_mat4_build(Eina_Matrix4 *out,
- const Evas_Vec3 *position, const Eina_Quaternion *orientation, const Evas_Vec3 *scale)
+ const Eina_Vector3 *position, const Eina_Quaternion *orientation, const Eina_Vector3 *scale)
{
Eina_Matrix3 rot;
}
static inline void
-evas_mat4_inverse_build(Eina_Matrix4 *out, const Evas_Vec3 *position,
- const Eina_Quaternion *orientation, const Evas_Vec3 *scale)
+evas_mat4_inverse_build(Eina_Matrix4 *out, const Eina_Vector3 *position,
+ const Eina_Quaternion *orientation, const Eina_Vector3 *scale)
{
Eina_Quaternion inv_rotation;
- Evas_Vec3 inv_scale;
- Evas_Vec3 inv_translate;
+ Eina_Vector3 inv_scale;
+ Eina_Vector3 inv_translate;
Eina_Matrix3 rot;
/* Inverse scale. */
- evas_vec3_set(&inv_scale, 1.0 / scale->x, 1.0 / scale->y, 1.0 / scale->z);
+ eina_vector3_set(&inv_scale, 1.0 / scale->x, 1.0 / scale->y, 1.0 / scale->z);
/* Inverse rotation. */
eina_quaternion_inverse(&inv_rotation, orientation);
/* Inverse translation. */
- evas_vec3_negate(&inv_translate, position);
- evas_vec3_quaternion_rotate(&inv_translate, &inv_translate, &inv_rotation);
- evas_vec3_multiply(&inv_translate, &inv_translate, &inv_scale);
+ eina_vector3_negate(&inv_translate, position);
+ eina_vector3_quaternion_rotate(&inv_translate, &inv_translate, &inv_rotation);
+ eina_vector3_multiply(&inv_translate, &inv_translate, &inv_scale);
/* Get 3x3 rotation matrix. */
eina_quaternion_rotation_matrix3_get(&rot, &inv_rotation);
dnear.y *= dnear.w;
dnear.z *= dnear.w;
- evas_vec3_set(&ray->org, dnear.x, dnear.y, dnear.z);
+ eina_vector3_set(&ray->org, dnear.x, dnear.y, dnear.z);
/* Transform far point. */
dfar.x = x;
dfar.y *= dfar.w;
dfar.z *= dfar.w;
- evas_vec3_set(&ray->dir, dfar.x - dnear.x, dfar.y - dnear.y, dfar.z - dnear.z);
+ eina_vector3_set(&ray->dir, dfar.x - dnear.x, dfar.y - dnear.y, dfar.z - dnear.z);
}
static inline Eina_Bool
-evas_box2_intersect_2d(const Evas_Box2 *box, const Evas_Vec2 *org, const Evas_Vec2 *dir)
+evas_box2_intersect_2d(const Evas_Box2 *box, const Eina_Vector2 *org, const Eina_Vector2 *dir)
{
Evas_Real t1, t2, t_near = FLT_MIN, t_far = FLT_MAX;
/* ray intersects box if its begins in */
{
Evas_Real t1, t2, t_near = FLT_MIN, t_far = FLT_MAX;
Evas_Box2 box2;
- Evas_Vec2 org2;
- Evas_Vec2 dir2;
+ Eina_Vector2 org2;
+ Eina_Vector2 dir2;
Eina_Bool intersect = EINA_FALSE;
/* ray intersects box if its begins in */
return EINA_FALSE;
else
{
- evas_vec2_set(&org2, ray->org.y, ray->org.z);
- evas_vec2_set(&dir2, ray->dir.y, ray->dir.z);
+ eina_vector2_set(&org2, ray->org.y, ray->org.z);
+ eina_vector2_set(&dir2, ray->dir.y, ray->dir.z);
evas_box2_set(&box2, box->p0.y, box->p0.z, box->p1.y, box->p1.z);
intersect = evas_box2_intersect_2d(&box2, &org2, &dir2);
}
return EINA_FALSE;
else
{
- evas_vec2_set(&org2, ray->org.x, ray->org.z);
- evas_vec2_set(&dir2, ray->dir.x, ray->dir.z);
+ eina_vector2_set(&org2, ray->org.x, ray->org.z);
+ eina_vector2_set(&dir2, ray->dir.x, ray->dir.z);
evas_box2_set(&box2, box->p0.x, box->p0.z, box->p1.x, box->p1.z);
intersect = evas_box2_intersect_2d(&box2, &org2, &dir2);
}
return EINA_FALSE;
else
{
- evas_vec2_set(&org2, ray->org.x, ray->org.y);
- evas_vec2_set(&dir2, ray->dir.x, ray->dir.y);
+ eina_vector2_set(&org2, ray->org.x, ray->org.y);
+ eina_vector2_set(&dir2, ray->dir.x, ray->dir.y);
evas_box2_set(&box2, box->p0.x, box->p0.y, box->p1.x, box->p1.y);
intersect = evas_box2_intersect_2d(&box2, &org2, &dir2);
}
static inline void
evas_build_sphere(const Evas_Box3 *box, Evas_Sphere *sphere)
{
- Evas_Vec3 tmp;
+ Eina_Vector3 tmp;
- evas_vec3_set(&sphere->center, (0.5 * (box->p0.x + box->p1.x)), (0.5 * (box->p0.y + box->p1.y)), (0.5 * (box->p0.z + box->p1.z)));
- evas_vec3_set(&tmp, sphere->center.x - box->p0.x, sphere->center.y - box->p0.y, sphere->center.z - box->p0.z);
+ eina_vector3_set(&sphere->center, (0.5 * (box->p0.x + box->p1.x)), (0.5 * (box->p0.y + box->p1.y)), (0.5 * (box->p0.z + box->p1.z)));
+ eina_vector3_set(&tmp, sphere->center.x - box->p0.x, sphere->center.y - box->p0.y, sphere->center.z - box->p0.z);
- sphere->radius = sqrtf(evas_vec3_dot_product(&tmp, &tmp));
+ sphere->radius = sqrtf(eina_vector3_dot_product(&tmp, &tmp));
}
static inline void
static inline void
evas_plane_normalize(Eina_Quaternion *plane)
{
- Evas_Vec3 tmp;
+ Eina_Vector3 tmp;
Evas_Real length;
- evas_vec3_set(&tmp, plane->x, plane->y, plane->z);
- length = evas_vec3_length_get(&tmp);
+ eina_vector3_set(&tmp, plane->x, plane->y, plane->z);
+ length = eina_vector3_length_get(&tmp);
plane->x = plane->x / length;
plane->y = plane->y / length;
plane->z = plane->z / length;
}
static inline Eina_Bool
-evas_intersection_line_of_two_planes(Evas_Line3 *line, Eina_Quaternion *plane1, Eina_Quaternion *plane2)
+evas_intersection_line_of_two_plains(Evas_Line3 *line, Eina_Quaternion *plane1, Eina_Quaternion *plane2)
{
//TODO:parallel case
- Evas_Vec3 planes3D[2];
+ Eina_Vector3 planes3D[2];
- evas_vec3_set(&planes3D[0], plane1->x, plane1->y, plane1->z);
- evas_vec3_set(&planes3D[1], plane2->x, plane2->y, plane2->z);
+ eina_vector3_set(&planes3D[0], plane1->x, plane1->y, plane1->z);
+ eina_vector3_set(&planes3D[1], plane2->x, plane2->y, plane2->z);
- evas_vec3_cross_product(&line->direction, &planes3D[0], &planes3D[1]);
+ eina_vector3_cross_product(&line->direction, &planes3D[0], &planes3D[1]);
#define SOLVE_EQUATION(x, y, z) \
line->point.x = 0; \
}
static inline Eina_Bool
-evas_intersection_point_of_three_planes(Evas_Vec3 *point, Eina_Quaternion *plane1, Eina_Quaternion *plane2, Eina_Quaternion *plane3)
+evas_intersection_point_of_three_plains(Eina_Vector3 *point, Eina_Quaternion *plane1, Eina_Quaternion *plane2, Eina_Quaternion *plane3)
{
//TODO:parallel case
int i;
}
deltaz = evas_determinant_3D(matrix_to_det);
- evas_vec3_set(point, -deltax/delta, -deltay/delta, -deltaz/delta);
+ eina_vector3_set(point, -deltax/delta, -deltay/delta, -deltaz/delta);
return EINA_TRUE;
}
static inline Evas_Real
-evas_point_plane_distance(Evas_Vec3 *point, Eina_Quaternion *plane)
+evas_point_plane_distance(Eina_Vector3 *point, Eina_Quaternion *plane)
{
return plane->x * point->x + plane->y * point->y + plane->z * point->z + plane->w;
}
static inline Evas_Real
-evas_point_line_distance(Evas_Vec3 *point, Evas_Line3 *line)
+evas_point_line_distance(Eina_Vector3 *point, Evas_Line3 *line)
{
- Evas_Vec3 temp, sub;
+ Eina_Vector3 temp, sub;
- evas_vec3_subtract(&sub, point, &line->point);
- evas_vec3_cross_product(&temp, &sub, &line->direction);
+ eina_vector3_subtract(&sub, point, &line->point);
+ eina_vector3_cross_product(&temp, &sub, &line->direction);
- return evas_vec3_length_get(&temp) / evas_vec3_length_get(&line->direction);
+ return eina_vector3_length_get(&temp) / eina_vector3_length_get(&line->direction);
}
static inline Eina_Bool
{
int i;
Evas_Line3 line;
- Evas_Vec3 point, sub;
+ Eina_Vector3 point, sub;
Evas_Real distances[6] = {0};
- int intersected_planes[3];
- int intersected_planes_count = 0;
+ int intersected_plains[3];
+ int intersected_plains_count = 0;
for (i = 0; i < 6; i++)
distances[i] = evas_point_plane_distance(&bsphere->center, &planes[i]);
}
else if (distances[i] <= 0)
{
- intersected_planes[intersected_planes_count] = i;
- intersected_planes_count++;
+ intersected_plains[intersected_plains_count] = i;
+ intersected_plains_count++;
}
}
- switch (intersected_planes_count)
+ switch (intersected_plains_count)
{
case 2:
- evas_intersection_line_of_two_planes(&line,
- &planes[intersected_planes[0]],
- &planes[intersected_planes[1]]);
+ evas_intersection_line_of_two_plains(&line,
+ &planes[intersected_plains[0]],
+ &planes[intersected_plains[1]]);
return (evas_point_line_distance(&bsphere->center, &line) <
bsphere->radius) ? EINA_TRUE : EINA_FALSE;
case 3:
- evas_intersection_point_of_three_planes(&point,
- &planes[intersected_planes[0]],
- &planes[intersected_planes[1]],
- &planes[intersected_planes[2]]);
- evas_vec3_subtract(&sub, &point, &bsphere->center);
- return (evas_vec3_length_get(&sub) < bsphere->radius) ? EINA_TRUE : EINA_FALSE;
+ evas_intersection_point_of_three_plains(&point,
+ &planes[intersected_plains[0]],
+ &planes[intersected_plains[1]],
+ &planes[intersected_plains[2]]);
+ eina_vector3_subtract(&sub, &point, &bsphere->center);
+ return (eina_vector3_length_get(&sub) < bsphere->radius) ? EINA_TRUE : EINA_FALSE;
default:
return EINA_TRUE;
}
}
static inline Eina_Bool
-evas_is_point_in_frustum(Evas_Vec3 *point, Eina_Quaternion *planes)
+evas_is_point_in_frustum(Eina_Vector3 *point, Eina_Quaternion *planes)
{
int i;
for (i = 0; i < 6; i++)
}
static inline void
-tangent_new_basis(Evas_Vec3 *out, Evas_Triangle3 *triangle,
- Evas_Vec2 *a, Evas_Vec2 *b, Evas_Vec2 *c)
+tangent_new_basis(Eina_Vector3 *out, Evas_Triangle3 *triangle,
+ Eina_Vector2 *a, Eina_Vector2 *b, Eina_Vector2 *c)
{
- Evas_Vec2 new1, new2;
- Evas_Vec3 old1, old2;
- evas_vec3_set(out, 0, 0, 0);
+ Eina_Vector2 new1, new2;
+ Eina_Vector3 old1, old2;
+ eina_vector3_set(out, 0, 0, 0);
- evas_vec2_subtract(&new1, b, a);
- evas_vec2_subtract(&new2, c, a);
- evas_vec3_subtract(&old1, &(triangle->p1), &(triangle->p0));
- evas_vec3_subtract(&old2, &(triangle->p2), &(triangle->p0));
+ eina_vector2_subtract(&new1, b, a);
+ eina_vector2_subtract(&new2, c, a);
+ eina_vector3_subtract(&old1, &(triangle->p1), &(triangle->p0));
+ eina_vector3_subtract(&old2, &(triangle->p2), &(triangle->p0));
/* calculation of new basis(in system coordinates of texturing) by solution of system of equations */
if (new2.y != 0)
{
- evas_vec3_scale(&old2, &old2, (new1.y / new2.y));
- evas_vec2_scale(&new2, &new2, (new1.y / new2.y));
+ eina_vector3_scale(&old2, &old2, (new1.y / new2.y));
+ eina_vector2_scale(&new2, &new2, (new1.y / new2.y));
- evas_vec2_subtract(&new1, &new1, &new2);
- evas_vec3_subtract(&old1, &old1, &old2);
+ eina_vector2_subtract(&new1, &new1, &new2);
+ eina_vector3_subtract(&old1, &old1, &old2);
- evas_vec3_scale(out, &old1, 1 / new1.x);
+ eina_vector3_scale(out, &old1, 1 / new1.x);
}
else if (new1.y != 0)
{
- evas_vec3_scale(&old1, &old1, (new2.y / new1.y));
- evas_vec2_scale(&new1, &new1, (new2.y / new1.y));
+ eina_vector3_scale(&old1, &old1, (new2.y / new1.y));
+ eina_vector2_scale(&new1, &new1, (new2.y / new1.y));
- evas_vec2_subtract(&new2, &new2, &new1);
- evas_vec3_subtract(&old2, &old2, &old1);
+ eina_vector2_subtract(&new2, &new2, &new1);
+ eina_vector3_subtract(&old2, &old2, &old1);
- evas_vec3_scale(out, &old2, 1 / new2.x);
+ eina_vector3_scale(out, &old2, 1 / new2.x);
}
return;
unsigned short int **index, unsigned int k, int *leader, int coord)
{
int color_coords, normal_coords;
- Evas_Vec3 vect = {0, 0, 0};
+ Eina_Vector3 vect = {0, 0, 0};
switch (coord)
{
case 0:
{
Evas_Triangle3 out;
- Evas_Vec3 triangle1;
- Evas_Vec3 triangle2, triangle2_candidate;
- Evas_Vec3 triangle3, triangle3_candidate;
- Evas_Vec3 first, diagonal, complanar1, complanar2, candidate;
+ Eina_Vector3 triangle1;
+ Eina_Vector3 triangle2, triangle2_candidate;
+ Eina_Vector3 triangle3, triangle3_candidate;
+ Eina_Vector3 first, diagonal, complanar1, complanar2, candidate;
Eina_Quaternion normal_a, normal_b;
Evas_Real cos = 0.0, new_cos = 0.0, sin = 0.0, new_sin = 0.0, cos_2d = 0.0, new_cos_2d = 0.0;
int first_num = 0;
int i = 0, j = 0;
- evas_vec3_set(&triangle1, data[0], data[1], data[2]);
+ eina_vector3_set(&triangle1, data[0], data[1], data[2]);
for (i = 1, j = stride; i < count; i++, j += stride)
{
((triangle1.z == data[j + 2]) && (triangle1.y > data[j + 1])) ||
((triangle1.z == data[j + 2]) && (triangle1.y == data[j + 1]) && (triangle1.x > data[j])))
{
- evas_vec3_set(&triangle1, data[j], data[j + 1], data[j + 2]);
+ eina_vector3_set(&triangle1, data[j], data[j + 1], data[j + 2]);
first_num = i;
}
}
if (first_num)
- evas_vec3_set(&triangle2, data[0], data[1], data[2]);
+ eina_vector3_set(&triangle2, data[0], data[1], data[2]);
else
- evas_vec3_set(&triangle2, data[3], data[4], data[5]);
+ eina_vector3_set(&triangle2, data[3], data[4], data[5]);
- evas_vec3_subtract(&diagonal, &triangle2, &triangle1);
- sin = fabs(triangle2.z - triangle1.z) / evas_vec3_length_get(&diagonal);
+ eina_vector3_subtract(&diagonal, &triangle2, &triangle1);
+ sin = fabs(triangle2.z - triangle1.z) / eina_vector3_length_get(&diagonal);
#define COMPARE_ANGLES(trigonom, triangle, previous, big, little) \
if (little > big + FLT_EPSILON) \
{ \
trigonom = new_##trigonom; \
cos_2d = new_cos_2d; \
- evas_vec3_set(&triangle, data[j], data[j + 1], data[j + 2]); \
+ eina_vector3_set(&triangle, data[j], data[j + 1], data[j + 2]); \
} \
else if(!FLT_COMPARISON(little, big) && \
- (evas_vec3_distance_get(&triangle##_candidate, &previous) > \
- evas_vec3_distance_get(&triangle, &previous))) \
+ (eina_vector3_distance_get(&triangle##_candidate, &previous) > \
+ eina_vector3_distance_get(&triangle, &previous))) \
{ \
- evas_vec3_set(&triangle, data[j], data[j + 1], data[j + 2]); \
+ eina_vector3_set(&triangle, data[j], data[j + 1], data[j + 2]); \
}
- evas_vec3_set(&complanar1, 1, 0, 0);
+ eina_vector3_set(&complanar1, 1, 0, 0);
for (i = 0, j = 0; i < count; i++, j += stride)
{
if (FLT_COMPARISON(data[j], triangle1.x) ||
FLT_COMPARISON(data[j + 1], triangle1.y) ||
FLT_COMPARISON(data[j + 2], triangle1.z))
{
- evas_vec3_set(&triangle2_candidate, data[j], data[j + 1], data[j + 2]);
- evas_vec3_subtract(&diagonal, &triangle2_candidate, &triangle1);
- new_sin = fabs(data[j + 2] - triangle1.z) / evas_vec3_length_get(&diagonal);
+ eina_vector3_set(&triangle2_candidate, data[j], data[j + 1], data[j + 2]);
+ eina_vector3_subtract(&diagonal, &triangle2_candidate, &triangle1);
+ new_sin = fabs(data[j + 2] - triangle1.z) / eina_vector3_length_get(&diagonal);
if (sin > new_sin + FLT_EPSILON)
{
sin = new_sin;
- evas_vec3_set(&triangle2, data[j], data[j + 1], data[j + 2]);
- evas_vec3_subtract(&diagonal, &triangle2, &triangle1);
- cos_2d = evas_vec3_angle_get(&complanar1, &diagonal);
+ eina_vector3_set(&triangle2, data[j], data[j + 1], data[j + 2]);
+ eina_vector3_subtract(&diagonal, &triangle2, &triangle1);
+ cos_2d = eina_vector3_angle_get(&complanar1, &diagonal);
}
else if (!FLT_COMPARISON(sin, new_sin))
{
- evas_vec3_subtract(&diagonal, &triangle2_candidate, &triangle1);
- new_cos_2d = evas_vec3_angle_get(&complanar1, &diagonal);
+ eina_vector3_subtract(&diagonal, &triangle2_candidate, &triangle1);
+ new_cos_2d = eina_vector3_angle_get(&complanar1, &diagonal);
COMPARE_ANGLES(cos, triangle2, triangle1, cos_2d, new_cos_2d)
}
}
}
- evas_vec3_set(&complanar1, triangle1.x + 1, triangle1.y, triangle1.z);
- evas_vec3_set(&complanar2, triangle1.x, triangle1.y + 1, triangle1.z);
- evas_vec3_plain_by_points(&normal_a, &triangle1, &complanar1, &complanar2);
+ eina_vector3_set(&complanar1, triangle1.x + 1, triangle1.y, triangle1.z);
+ eina_vector3_set(&complanar2, triangle1.x, triangle1.y + 1, triangle1.z);
+ eina_vector3_plane_by_points(&normal_a, &triangle1, &complanar1, &complanar2);
if (normal_a.z < 0)
eina_quaternion_scale(&normal_a, &normal_a, -1);
- evas_vec3_set(&triangle3, data[0], data[1], data[2]);
+ eina_vector3_set(&triangle3, data[0], data[1], data[2]);
cos = -1.0;
cos_2d = 1.0;
for (i = 0, j = 0; i < count; i++, j += stride)
{
- evas_vec3_set(&candidate, data[j], data[j + 1], data[j + 2]);
+ eina_vector3_set(&candidate, data[j], data[j + 1], data[j + 2]);
if ((FLT_COMPARISON(data[j], triangle1.x) ||
FLT_COMPARISON(data[j + 1], triangle1.y) ||
FLT_COMPARISON(data[j + 1], triangle2.y) ||
FLT_COMPARISON(data[j + 2], triangle2.z)))
{
- evas_vec3_plain_by_points(&normal_b, &triangle1, &candidate, &triangle2);
+ eina_vector3_plane_by_points(&normal_b, &triangle1, &candidate, &triangle2);
if (normal_b.z < 0)
eina_quaternion_scale(&normal_b, &normal_b, -1);
if (new_cos > cos + FLT_EPSILON)
{
- evas_vec3_set(&triangle3_candidate, data[j], data[j + 1], data[j + 2]);
- evas_vec3_subtract(&first, &triangle2, &triangle1);
- evas_vec3_subtract(&diagonal, &triangle3, &triangle1);
+ eina_vector3_set(&triangle3_candidate, data[j], data[j + 1], data[j + 2]);
+ eina_vector3_subtract(&first, &triangle2, &triangle1);
+ eina_vector3_subtract(&diagonal, &triangle3, &triangle1);
cos = new_cos;
- evas_vec3_set(&triangle3, data[j], data[j + 1], data[j + 2]);
- cos_2d = evas_vec3_angle_get(&diagonal, &first);
+ eina_vector3_set(&triangle3, data[j], data[j + 1], data[j + 2]);
+ cos_2d = eina_vector3_angle_get(&diagonal, &first);
}
else if (!FLT_COMPARISON(new_cos, cos))
{
- evas_vec3_set(&triangle3_candidate, data[j], data[j + 1], data[j + 2]);
- evas_vec3_subtract(&first, &triangle1, &triangle2);
- evas_vec3_subtract(&diagonal, &triangle3_candidate, &triangle2);
- new_cos_2d = evas_vec3_angle_get(&first, &diagonal);
+ eina_vector3_set(&triangle3_candidate, data[j], data[j + 1], data[j + 2]);
+ eina_vector3_subtract(&first, &triangle1, &triangle2);
+ eina_vector3_subtract(&diagonal, &triangle3_candidate, &triangle2);
+ new_cos_2d = eina_vector3_angle_get(&first, &diagonal);
COMPARE_ANGLES(cos, triangle3, triangle2, new_cos_2d, cos_2d)
}
{
Evas_Triangle3 first_elem, second_elem, *third_elem = NULL, *el = NULL;
- Evas_Vec3 *next = NULL, *best = NULL, *next_2d = NULL, *el_vec3 = NULL;
- Evas_Vec3 tmp1, tmp2;
+ Eina_Vector3 *next = NULL, *best = NULL, *next_2d = NULL, *el_vec3 = NULL;
+ Eina_Vector3 tmp1, tmp2;
Eina_Quaternion normal_a, normal_b;
Eina_Array arr_elems;
Eina_Bool exist1 = EINA_FALSE, pushed;
Eina_Bool equivalent_triangle = EINA_FALSE, triangle_chain = EINA_FALSE;
- Eina_Bool on_plain = EINA_FALSE, right = EINA_FALSE;
+ Eina_Bool on_plane = EINA_FALSE, right = EINA_FALSE;
eina_array_step_set(&arr_elems, sizeof(Eina_Array), 1);
eina_array_step_set(&arr_triangles, sizeof(Eina_Array), 1);
(FLT_COMPARISON(elem->p2.x, data[j]) || FLT_COMPARISON(elem->p2.y, data[j + 1]) ||
FLT_COMPARISON(elem->p2.z, data[j + 2])))
{
- next = malloc(sizeof(Evas_Vec3));
- evas_vec3_set(next, data[j], data[j + 1], data[j + 2]);
+ next = malloc(sizeof(Eina_Vector3));
+ eina_vector3_set(next, data[j], data[j + 1], data[j + 2]);
pushed = EINA_FALSE;
/* something like the dihedral angle between the triangles
is a determining factor in searching the necessary points */
- evas_vec3_plain_by_points(&normal_a, &elem->p0, &elem->p1, &elem->p2);
- evas_vec3_plain_by_points(&normal_b, &elem->p0, &elem->p1, next);
+ eina_vector3_plane_by_points(&normal_a, &elem->p0, &elem->p1, &elem->p2);
+ eina_vector3_plane_by_points(&normal_b, &elem->p0, &elem->p1, next);
/* MIN_DIFF because vertices that belong to plain shouldn't be included */
if (fabs(normal_a.x * data[j] + normal_a.y * data[j + 1] + normal_a.z * data[j + 2] + normal_a.w) < MIN_DIFF)
for (k = 0; (k < eina_array_count(&arr_candidates)) && !exist1; k++)
{
next_2d = eina_array_data_get(&arr_candidates, k);
- exist1 = evas_vec3_if_equivalent(next, next_2d);
+ exist1 = eina_vector3_equivalent(next, next_2d);
}
if (!exist1)
{
}
}
- on_plain = EINA_FALSE;
+ on_plane = EINA_FALSE;
right = EINA_FALSE;
/* The case when several points are found, is discussed below.
two-dimensional subspace should be filled further */
if ((cos != 1.0) && (1 < eina_array_count(&arr_candidates)))
{
- Evas_Vec3 angle_from, angle_to;
+ Eina_Vector3 angle_from, angle_to;
next_2d = eina_array_data_get(&arr_candidates, 0);
- evas_vec3_plain_by_points(&normal_b, &elem->p1, &elem->p0, next_2d);
+ eina_vector3_plane_by_points(&normal_b, &elem->p1, &elem->p0, next_2d);
if (normal_b.x * elem->p2.x + normal_b.y * elem->p2.y + normal_b.z * elem->p2.z + normal_b.w > 0)
{
- evas_vec3_subtract(&angle_from, &elem->p0, &elem->p1);
+ eina_vector3_subtract(&angle_from, &elem->p0, &elem->p1);
right = EINA_TRUE;
}
else
- evas_vec3_subtract(&angle_from, &elem->p1, &elem->p0);
+ eina_vector3_subtract(&angle_from, &elem->p1, &elem->p0);
cos_2d = -1.0;
{
/* Selection of the required vertex occurs on the basis of a specific angle */
if (right)
- evas_vec3_subtract(&angle_to, next_2d, &elem->p0);
+ eina_vector3_subtract(&angle_to, next_2d, &elem->p0);
else
- evas_vec3_subtract(&angle_to, next_2d, &elem->p1);
+ eina_vector3_subtract(&angle_to, next_2d, &elem->p1);
- new_cos = evas_vec3_dot_product(&angle_from, &angle_to) /
- (evas_vec3_length_get(&angle_from) * evas_vec3_length_get(&angle_to));
+ new_cos = eina_vector3_dot_product(&angle_from, &angle_to) /
+ (eina_vector3_length_get(&angle_from) * eina_vector3_length_get(&angle_to));
if (new_cos > cos_2d + FLT_EPSILON)
{
cos_2d = new_cos;
}
else if (!FLT_COMPARISON(new_cos, cos_2d))
{
- if ((right && (evas_vec3_distance_get(best, &elem->p0) < evas_vec3_length_get(&angle_from))) ||
- (!right && (evas_vec3_distance_get(best, &elem->p1) < evas_vec3_length_get(&angle_from))))
+ if ((right && (eina_vector3_distance_get(best, &elem->p0) < eina_vector3_length_get(&angle_from))) ||
+ (!right && (eina_vector3_distance_get(best, &elem->p1) < eina_vector3_length_get(&angle_from))))
best = eina_array_data_get(&arr_candidates, k);
}
}
convex hull allows to fill it fan counterclockwise when viewed from the inside */
else if ((cos == 1.0) && (1 < eina_array_count(&arr_candidates)))
{
- Evas_Vec3 angle_from, angle_to;
- evas_vec3_subtract(&angle_from, &elem->p0, &elem->p1);
+ Eina_Vector3 angle_from, angle_to;
+ eina_vector3_subtract(&angle_from, &elem->p0, &elem->p1);
cos_2d = -1.0;
EINA_ARRAY_ITER_NEXT(&arr_candidates, k, next_2d, iterator)
{
- evas_vec3_subtract(&angle_to, next_2d, &elem->p0);
+ eina_vector3_subtract(&angle_to, next_2d, &elem->p0);
- evas_vec3_plain_by_points(&normal_a, &elem->p0, &elem->p1, &elem->p2);
- evas_vec3_plain_by_points(&normal_b, &elem->p0, &elem->p1, next_2d);
+ eina_vector3_plane_by_points(&normal_a, &elem->p0, &elem->p1, &elem->p2);
+ eina_vector3_plane_by_points(&normal_b, &elem->p0, &elem->p1, next_2d);
if ((normal_a.x * normal_b.x <= 0) && (normal_a.y * normal_b.y <= 0) && (normal_a.z * normal_b.z <= 0))
{
- new_cos = evas_vec3_dot_product(&angle_from, &angle_to) /
- (evas_vec3_length_get(&angle_from) * evas_vec3_length_get(&angle_to));
+ new_cos = eina_vector3_dot_product(&angle_from, &angle_to) /
+ (eina_vector3_length_get(&angle_from) * eina_vector3_length_get(&angle_to));
if (new_cos > cos_2d + FLT_EPSILON)
{
cos_2d = new_cos;
}
else if (!FLT_COMPARISON(new_cos, cos_2d))
{
- if (evas_vec3_distance_get(best, &elem->p0) < evas_vec3_length_get(&angle_to))
+ if (eina_vector3_distance_get(best, &elem->p0) < eina_vector3_length_get(&angle_to))
best = eina_array_data_get(&arr_candidates, k);
}
- on_plain = EINA_TRUE;
+ on_plane = EINA_TRUE;
}
}
}
else
best = eina_array_data_get(&arr_candidates, 0);
- evas_vec3_plain_by_points(&normal_b, &elem->p0, &elem->p1, best);
+ eina_vector3_plane_by_points(&normal_b, &elem->p0, &elem->p1, best);
if_two = 0;
first_exist_twice = 0;
second_exist_twice = 0;
equivalent_triangle = EINA_FALSE;
triangle_chain = EINA_FALSE;
- evas_vec3_copy(&tmp1, &elem->p0);
- evas_vec3_copy(&tmp2, &elem->p1);
+ eina_vector3_copy(&tmp1, &elem->p0);
+ eina_vector3_copy(&tmp2, &elem->p1);
new_elem1 = malloc(sizeof(Evas_Triangle3));
evas_triangle3_set(new_elem1, best, &tmp1, &tmp2);
pushed = EINA_FALSE;
/* verification that the edje has not been found previously */
EINA_ARRAY_ITER_NEXT(&arr_triangles, k, el, iterator)
{
- if (convex_hull_triangle3_if_first_edje(el, &elem->p0, &elem->p1))
+ if (convex_hull_triangle3_first_edje(el, &elem->p0, &elem->p1))
if_two++;
- if (evas_triangle3_if_equivalent(el, new_elem1))
+ if (evas_triangle3_equivalent(el, new_elem1))
equivalent_triangle++;
}
EINA_ARRAY_ITER_NEXT(&arr_triangles, k, el, iterator)
{
- if ((k > 2) && (convex_hull_triangle3_if_not_first_edje(el, &elem->p0, best) ||
- convex_hull_triangle3_if_not_first_edje(el, &elem->p1, best)))
+ if ((k > 2) && (convex_hull_triangle3_not_first_edje(el, &elem->p0, best) ||
+ convex_hull_triangle3_not_first_edje(el, &elem->p1, best)))
triangle_chain = EINA_TRUE;
}
/* There is a specific order according to which the edjes are entered in arr_elems */
- if (!on_plain && !right)
+ if (!on_plane && !right)
{
if ((!equivalent_triangle) && (!second_exist_twice) && (!triangle_chain) && (if_two < 2))
{
}
static inline void
-tangent_space_weighted_sum(Evas_Vec3 *big_t, Evas_Vec3 *little_t,
+tangent_space_weighted_sum(Eina_Vector3 *big_t, Eina_Vector3 *little_t,
Evas_Real *big_angle, Evas_Real little_angle)
{
/* one way to calculate tangent in vertex that is found in many triangles */
- evas_vec3_scale(big_t, big_t, *big_angle / (*big_angle + little_angle));
- evas_vec3_scale(little_t, little_t, little_angle / (*big_angle + little_angle));
- evas_vec3_add(big_t, big_t, little_t);
+ eina_vector3_scale(big_t, big_t, *big_angle / (*big_angle + little_angle));
+ eina_vector3_scale(little_t, little_t, little_angle / (*big_angle + little_angle));
+ eina_vector3_add(big_t, big_t, little_t);
*big_angle += little_angle;
return;
}
static inline Evas_Real
-tangent_space_triangle_angle_get(Evas_Vec3 *first, Evas_Vec3 *second, Evas_Vec3 *third)
+tangent_space_triangle_angle_get(Eina_Vector3 *first, Eina_Vector3 *second, Eina_Vector3 *third)
{
- Evas_Vec3 a, b, c;
+ Eina_Vector3 a, b, c;
Evas_Real cos, arccos;
- evas_vec3_subtract(&a, second, third);
- evas_vec3_subtract(&b, third, first);
- evas_vec3_subtract(&c, first, second);
+ eina_vector3_subtract(&a, second, third);
+ eina_vector3_subtract(&b, third, first);
+ eina_vector3_subtract(&c, first, second);
- cos = -(evas_vec3_length_square_get(&a) - evas_vec3_length_square_get(&b) -
- evas_vec3_length_square_get(&c)) / (2 * evas_vec3_length_get(&b) *
- evas_vec3_length_get(&c));
+ cos = -(eina_vector3_length_square_get(&a) - eina_vector3_length_square_get(&b) -
+ eina_vector3_length_square_get(&c)) / (2 * eina_vector3_length_get(&b) *
+ eina_vector3_length_get(&c));
arccos = acos(cos);
return arccos;
Eina_Bool if_not_primitive = EINA_FALSE;
Evas_Real big_angle, little_angle;
Evas_Triangle3 triangle;
- Evas_Vec2 tex1, tex2, tex3;
- Evas_Vec3 big_tangent, little_tangent, normal;
+ Eina_Vector2 tex1, tex2, tex3;
+ Eina_Vector3 big_tangent, little_tangent, normal;
Eina_Quaternion *plain = NULL;
int i, j, k, l, m, found_index = 0;
int indexes[3];
for (i = 0, j = 0, k = 0; i < vertex_count; i++, j += stride, k += normal_stride)
{
- evas_vec3_set(&big_tangent, 0.0, 0.0, 0.0);
+ eina_vector3_set(&big_tangent, 0.0, 0.0, 0.0);
big_angle = 0.0;
for (l = 0, m = 0; l < vertex_count; l++, m += stride)
{
(found_index == indexes[1]) ||
(found_index == indexes[2]))
{
- evas_vec3_set(&triangle.p0, data[indexes[0] * stride], data[indexes[0] * stride + 1], data[indexes[0] * stride + 2]);
- evas_vec3_set(&triangle.p1, data[indexes[1] * stride], data[indexes[1] * stride + 1], data[indexes[1] * stride + 2]);
- evas_vec3_set(&triangle.p2, data[indexes[2] * stride], data[indexes[2] * stride + 1], data[indexes[2] * stride + 2]);
+ eina_vector3_set(&triangle.p0, data[indexes[0] * stride], data[indexes[0] * stride + 1], data[indexes[0] * stride + 2]);
+ eina_vector3_set(&triangle.p1, data[indexes[1] * stride], data[indexes[1] * stride + 1], data[indexes[1] * stride + 2]);
+ eina_vector3_set(&triangle.p2, data[indexes[2] * stride], data[indexes[2] * stride + 1], data[indexes[2] * stride + 2]);
if (plain)
free(plain);
plain = malloc(sizeof(Eina_Quaternion));
- evas_vec3_plain_by_points(plain, &triangle.p0, &triangle.p1, &triangle.p2);
+ eina_vector3_plane_by_points(plain, &triangle.p0, &triangle.p1, &triangle.p2);
tex1.x = tex_data[indexes[0] * tex_stride];
tex1.y = tex_data[indexes[0] * tex_stride + 1];
tex2.x = tex_data[indexes[1] * tex_stride];
/* calculate the tangent */
tangent_new_basis(&little_tangent, &triangle,
&tex1, &tex2, &tex3);
- evas_vec3_normalize(&little_tangent, &little_tangent);
+ eina_vector3_normalize(&little_tangent, &little_tangent);
/* founding the angle in triangle in founded vertex */
if (found_index == indexes[0])
little_angle = tangent_space_triangle_angle_get(&triangle.p2, &triangle.p0, &triangle.p1);
if (evas_triangle3_is_line(&triangle))
- evas_vec3_set(&big_tangent, 1.0, 0.0, 0.0);
+ eina_vector3_set(&big_tangent, 1.0, 0.0, 0.0);
else
tangent_space_weighted_sum(&big_tangent, &little_tangent, &big_angle, little_angle);
}
}
}
- evas_vec3_set(&normal, normal_data[j], normal_data[j + 1], normal_data[j + 2]);
- evas_vec3_orthogonal_projection_on_plain(&big_tangent, &big_tangent, &normal);
- evas_vec3_normalize(&big_tangent, &big_tangent);
+ eina_vector3_set(&normal, normal_data[j], normal_data[j + 1], normal_data[j + 2]);
+ eina_vector3_orthogonal_projection_on_plane(&big_tangent, &big_tangent, &normal);
+ eina_vector3_normalize(&big_tangent, &big_tangent);
tmp_tangent[i * 3] = big_tangent.x;
tmp_tangent[i * 3 + 1] = big_tangent.y;
tmp_tangent[i * 3 + 2] = big_tangent.z;
}
static inline void
-calculate_box(Evas_Box3 *box3, int vertex_count, Evas_Vec3 *vertex_position)
+calculate_box(Evas_Box3 *box3, int vertex_count, Eina_Vector3 *vertex_position)
{
int i = 0;
float vxmin, vymin, vzmin, vxmax, vymax, vzmax;
}
static inline void
-calculate_sphere(Evas_Sphere *sphere, int vertex_count, Evas_Vec3 *vertex_position)
+calculate_sphere(Evas_Sphere *sphere, int vertex_count, Eina_Vector3 *vertex_position)
{
float radius = 0.0001f;
- Evas_Vec3 center, pos, diff;
+ Eina_Vector3 center, pos, diff;
float len, alpha, alpha2;
int i, k;
for (i = 0; i < vertex_count; ++i)
{
pos = vertex_position[i];
- evas_vec3_subtract(&diff, &pos, ¢er);
- len = evas_vec3_length_get(&diff);
+ eina_vector3_subtract(&diff, &pos, ¢er);
+ len = eina_vector3_length_get(&diff);
if (len > radius)
{
alpha = len / radius;
alpha2 = alpha * alpha;
radius = 0.5f * (alpha + 1 / alpha) * radius;
- evas_vec3_scale(&pos, &pos, 1 - 1 / alpha2);
- evas_vec3_scale(¢er, ¢er, (1 + 1 / alpha2));
- evas_vec3_add(¢er, ¢er, &pos);
- evas_vec3_scale(¢er, ¢er, 0.5f);
+ eina_vector3_scale(&pos, &pos, 1 - 1 / alpha2);
+ eina_vector3_scale(¢er, ¢er, (1 + 1 / alpha2));
+ eina_vector3_add(¢er, ¢er, &pos);
+ eina_vector3_scale(¢er, ¢er, 0.5f);
}
}
}
for (i = 0; i < vertex_count; ++i)
{
pos = vertex_position[i];
- evas_vec3_subtract(&diff, &pos, ¢er);
- len = evas_vec3_length_get(&diff);
+ eina_vector3_subtract(&diff, &pos, ¢er);
+ len = eina_vector3_length_get(&diff);
if (len > radius)
{
radius = (radius + len) / 2.0f;
- evas_vec3_scale(&diff, &diff, (len - radius) / len);
- evas_vec3_add(¢er, ¢er, &diff);
+ eina_vector3_scale(&diff, &diff, (len - radius) / len);
+ eina_vector3_add(¢er, ¢er, &diff);
}
}
projects / platform / upstream / efl.git / commitdiff