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Diffstat (limited to 'core/math/math_2d.h')
-rw-r--r--core/math/math_2d.h210
1 files changed, 105 insertions, 105 deletions
diff --git a/core/math/math_2d.h b/core/math/math_2d.h
index 128b74baf6..dc4850eeed 100644
--- a/core/math/math_2d.h
+++ b/core/math/math_2d.h
@@ -207,24 +207,24 @@ struct Transform2D;
struct Rect2 {
- Point2 pos;
+ Point2 position;
Size2 size;
- const Vector2 &get_pos() const { return pos; }
- void set_pos(const Vector2 &p_pos) { pos = p_pos; }
+ const Vector2 &get_position() const { return position; }
+ void set_position(const Vector2 &p_pos) { position = p_pos; }
const Vector2 &get_size() const { return size; }
void set_size(const Vector2 &p_size) { size = p_size; }
real_t get_area() const { return size.width * size.height; }
inline bool intersects(const Rect2 &p_rect) const {
- if (pos.x >= (p_rect.pos.x + p_rect.size.width))
+ if (position.x >= (p_rect.position.x + p_rect.size.width))
return false;
- if ((pos.x + size.width) <= p_rect.pos.x)
+ if ((position.x + size.width) <= p_rect.position.x)
return false;
- if (pos.y >= (p_rect.pos.y + p_rect.size.height))
+ if (position.y >= (p_rect.position.y + p_rect.size.height))
return false;
- if ((pos.y + size.height) <= p_rect.pos.y)
+ if ((position.y + size.height) <= p_rect.position.y)
return false;
return true;
@@ -234,17 +234,17 @@ struct Rect2 {
real_t dist = 1e20;
- if (p_point.x < pos.x) {
- dist = MIN(dist, pos.x - p_point.x);
+ if (p_point.x < position.x) {
+ dist = MIN(dist, position.x - p_point.x);
}
- if (p_point.y < pos.y) {
- dist = MIN(dist, pos.y - p_point.y);
+ if (p_point.y < position.y) {
+ dist = MIN(dist, position.y - p_point.y);
}
- if (p_point.x >= (pos.x + size.x)) {
- dist = MIN(p_point.x - (pos.x + size.x), dist);
+ if (p_point.x >= (position.x + size.x)) {
+ dist = MIN(p_point.x - (position.x + size.x), dist);
}
- if (p_point.y >= (pos.y + size.y)) {
- dist = MIN(p_point.y - (pos.y + size.y), dist);
+ if (p_point.y >= (position.y + size.y)) {
+ dist = MIN(p_point.y - (position.y + size.y), dist);
}
if (dist == 1e20)
@@ -259,9 +259,9 @@ struct Rect2 {
inline bool encloses(const Rect2 &p_rect) const {
- return (p_rect.pos.x >= pos.x) && (p_rect.pos.y >= pos.y) &&
- ((p_rect.pos.x + p_rect.size.x) < (pos.x + size.x)) &&
- ((p_rect.pos.y + p_rect.size.y) < (pos.y + size.y));
+ return (p_rect.position.x >= position.x) && (p_rect.position.y >= position.y) &&
+ ((p_rect.position.x + p_rect.size.x) < (position.x + size.x)) &&
+ ((p_rect.position.y + p_rect.size.y) < (position.y + size.y));
}
inline bool has_no_area() const {
@@ -275,14 +275,14 @@ struct Rect2 {
if (!intersects(new_rect))
return Rect2();
- new_rect.pos.x = MAX(p_rect.pos.x, pos.x);
- new_rect.pos.y = MAX(p_rect.pos.y, pos.y);
+ new_rect.position.x = MAX(p_rect.position.x, position.x);
+ new_rect.position.y = MAX(p_rect.position.y, position.y);
- Point2 p_rect_end = p_rect.pos + p_rect.size;
- Point2 end = pos + size;
+ Point2 p_rect_end = p_rect.position + p_rect.size;
+ Point2 end = position + size;
- new_rect.size.x = MIN(p_rect_end.x, end.x) - new_rect.pos.x;
- new_rect.size.y = MIN(p_rect_end.y, end.y) - new_rect.pos.y;
+ new_rect.size.x = MIN(p_rect_end.x, end.x) - new_rect.position.x;
+ new_rect.size.y = MIN(p_rect_end.y, end.y) - new_rect.position.y;
return new_rect;
}
@@ -291,25 +291,25 @@ struct Rect2 {
Rect2 new_rect;
- new_rect.pos.x = MIN(p_rect.pos.x, pos.x);
- new_rect.pos.y = MIN(p_rect.pos.y, pos.y);
+ new_rect.position.x = MIN(p_rect.position.x, position.x);
+ new_rect.position.y = MIN(p_rect.position.y, position.y);
- new_rect.size.x = MAX(p_rect.pos.x + p_rect.size.x, pos.x + size.x);
- new_rect.size.y = MAX(p_rect.pos.y + p_rect.size.y, pos.y + size.y);
+ new_rect.size.x = MAX(p_rect.position.x + p_rect.size.x, position.x + size.x);
+ new_rect.size.y = MAX(p_rect.position.y + p_rect.size.y, position.y + size.y);
- new_rect.size = new_rect.size - new_rect.pos; //make relative again
+ new_rect.size = new_rect.size - new_rect.position; //make relative again
return new_rect;
};
inline bool has_point(const Point2 &p_point) const {
- if (p_point.x < pos.x)
+ if (p_point.x < position.x)
return false;
- if (p_point.y < pos.y)
+ if (p_point.y < position.y)
return false;
- if (p_point.x >= (pos.x + size.x))
+ if (p_point.x >= (position.x + size.x))
return false;
- if (p_point.y >= (pos.y + size.y))
+ if (p_point.y >= (position.y + size.y))
return false;
return true;
@@ -317,14 +317,14 @@ struct Rect2 {
inline bool no_area() const { return (size.width <= 0 || size.height <= 0); }
- bool operator==(const Rect2 &p_rect) const { return pos == p_rect.pos && size == p_rect.size; }
- bool operator!=(const Rect2 &p_rect) const { return pos != p_rect.pos || size != p_rect.size; }
+ bool operator==(const Rect2 &p_rect) const { return position == p_rect.position && size == p_rect.size; }
+ bool operator!=(const Rect2 &p_rect) const { return position != p_rect.position || size != p_rect.size; }
inline Rect2 grow(real_t p_by) const {
Rect2 g = *this;
- g.pos.x -= p_by;
- g.pos.y -= p_by;
+ g.position.x -= p_by;
+ g.position.y -= p_by;
g.size.width += p_by * 2;
g.size.height += p_by * 2;
return g;
@@ -339,8 +339,8 @@ struct Rect2 {
inline void expand_to(const Vector2 &p_vector) { //in place function for speed
- Vector2 begin = pos;
- Vector2 end = pos + size;
+ Vector2 begin = position;
+ Vector2 end = position + size;
if (p_vector.x < begin.x)
begin.x = p_vector.x;
@@ -352,19 +352,19 @@ struct Rect2 {
if (p_vector.y > end.y)
end.y = p_vector.y;
- pos = begin;
+ position = begin;
size = end - begin;
}
- operator String() const { return String(pos) + ", " + String(size); }
+ operator String() const { return String(position) + ", " + String(size); }
Rect2() {}
Rect2(real_t p_x, real_t p_y, real_t p_width, real_t p_height) {
- pos = Point2(p_x, p_y);
+ position = Point2(p_x, p_y);
size = Size2(p_width, p_height);
}
Rect2(const Point2 &p_pos, const Size2 &p_size) {
- pos = p_pos;
+ position = p_pos;
size = p_size;
}
};
@@ -434,24 +434,24 @@ typedef Point2i Size2i;
struct Rect2i {
- Point2i pos;
+ Point2i position;
Size2i size;
- const Point2i &get_pos() const { return pos; }
- void set_pos(const Point2i &p_pos) { pos = p_pos; }
+ const Point2i &get_position() const { return position; }
+ void set_position(const Point2i &p_pos) { position = p_pos; }
const Point2i &get_size() const { return size; }
void set_size(const Point2i &p_size) { size = p_size; }
int get_area() const { return size.width * size.height; }
inline bool intersects(const Rect2i &p_rect) const {
- if (pos.x > (p_rect.pos.x + p_rect.size.width))
+ if (position.x > (p_rect.position.x + p_rect.size.width))
return false;
- if ((pos.x + size.width) < p_rect.pos.x)
+ if ((position.x + size.width) < p_rect.position.x)
return false;
- if (pos.y > (p_rect.pos.y + p_rect.size.height))
+ if (position.y > (p_rect.position.y + p_rect.size.height))
return false;
- if ((pos.y + size.height) < p_rect.pos.y)
+ if ((position.y + size.height) < p_rect.position.y)
return false;
return true;
@@ -459,9 +459,9 @@ struct Rect2i {
inline bool encloses(const Rect2i &p_rect) const {
- return (p_rect.pos.x >= pos.x) && (p_rect.pos.y >= pos.y) &&
- ((p_rect.pos.x + p_rect.size.x) < (pos.x + size.x)) &&
- ((p_rect.pos.y + p_rect.size.y) < (pos.y + size.y));
+ return (p_rect.position.x >= position.x) && (p_rect.position.y >= position.y) &&
+ ((p_rect.position.x + p_rect.size.x) < (position.x + size.x)) &&
+ ((p_rect.position.y + p_rect.size.y) < (position.y + size.y));
}
inline bool has_no_area() const {
@@ -475,14 +475,14 @@ struct Rect2i {
if (!intersects(new_rect))
return Rect2i();
- new_rect.pos.x = MAX(p_rect.pos.x, pos.x);
- new_rect.pos.y = MAX(p_rect.pos.y, pos.y);
+ new_rect.position.x = MAX(p_rect.position.x, position.x);
+ new_rect.position.y = MAX(p_rect.position.y, position.y);
- Point2 p_rect_end = p_rect.pos + p_rect.size;
- Point2 end = pos + size;
+ Point2 p_rect_end = p_rect.position + p_rect.size;
+ Point2 end = position + size;
- new_rect.size.x = (int)(MIN(p_rect_end.x, end.x) - new_rect.pos.x);
- new_rect.size.y = (int)(MIN(p_rect_end.y, end.y) - new_rect.pos.y);
+ new_rect.size.x = (int)(MIN(p_rect_end.x, end.x) - new_rect.position.x);
+ new_rect.size.y = (int)(MIN(p_rect_end.y, end.y) - new_rect.position.y);
return new_rect;
}
@@ -491,25 +491,25 @@ struct Rect2i {
Rect2i new_rect;
- new_rect.pos.x = MIN(p_rect.pos.x, pos.x);
- new_rect.pos.y = MIN(p_rect.pos.y, pos.y);
+ new_rect.position.x = MIN(p_rect.position.x, position.x);
+ new_rect.position.y = MIN(p_rect.position.y, position.y);
- new_rect.size.x = MAX(p_rect.pos.x + p_rect.size.x, pos.x + size.x);
- new_rect.size.y = MAX(p_rect.pos.y + p_rect.size.y, pos.y + size.y);
+ new_rect.size.x = MAX(p_rect.position.x + p_rect.size.x, position.x + size.x);
+ new_rect.size.y = MAX(p_rect.position.y + p_rect.size.y, position.y + size.y);
- new_rect.size = new_rect.size - new_rect.pos; //make relative again
+ new_rect.size = new_rect.size - new_rect.position; //make relative again
return new_rect;
};
bool has_point(const Point2 &p_point) const {
- if (p_point.x < pos.x)
+ if (p_point.x < position.x)
return false;
- if (p_point.y < pos.y)
+ if (p_point.y < position.y)
return false;
- if (p_point.x >= (pos.x + size.x))
+ if (p_point.x >= (position.x + size.x))
return false;
- if (p_point.y >= (pos.y + size.y))
+ if (p_point.y >= (position.y + size.y))
return false;
return true;
@@ -517,14 +517,14 @@ struct Rect2i {
bool no_area() { return (size.width <= 0 || size.height <= 0); }
- bool operator==(const Rect2i &p_rect) const { return pos == p_rect.pos && size == p_rect.size; }
- bool operator!=(const Rect2i &p_rect) const { return pos != p_rect.pos || size != p_rect.size; }
+ bool operator==(const Rect2i &p_rect) const { return position == p_rect.position && size == p_rect.size; }
+ bool operator!=(const Rect2i &p_rect) const { return position != p_rect.position || size != p_rect.size; }
Rect2i grow(int p_by) const {
Rect2i g = *this;
- g.pos.x -= p_by;
- g.pos.y -= p_by;
+ g.position.x -= p_by;
+ g.position.y -= p_by;
g.size.width += p_by * 2;
g.size.height += p_by * 2;
return g;
@@ -532,8 +532,8 @@ struct Rect2i {
inline void expand_to(const Point2i &p_vector) {
- Point2i begin = pos;
- Point2i end = pos + size;
+ Point2i begin = position;
+ Point2i end = position + size;
if (p_vector.x < begin.x)
begin.x = p_vector.x;
@@ -545,24 +545,24 @@ struct Rect2i {
if (p_vector.y > end.y)
end.y = p_vector.y;
- pos = begin;
+ position = begin;
size = end - begin;
}
- operator String() const { return String(pos) + ", " + String(size); }
+ operator String() const { return String(position) + ", " + String(size); }
- operator Rect2() const { return Rect2(pos, size); }
+ operator Rect2() const { return Rect2(position, size); }
Rect2i(const Rect2 &p_r2) {
- pos = p_r2.pos;
+ position = p_r2.position;
size = p_r2.size;
}
Rect2i() {}
Rect2i(int p_x, int p_y, int p_width, int p_height) {
- pos = Point2(p_x, p_y);
+ position = Point2(p_x, p_y);
size = Size2(p_width, p_height);
}
Rect2i(const Point2 &p_pos, const Size2 &p_size) {
- pos = p_pos;
+ position = p_pos;
size = p_size;
}
};
@@ -668,30 +668,30 @@ bool Rect2::intersects_transformed(const Transform2D &p_xform, const Rect2 &p_re
//SAT intersection between local and transformed rect2
Vector2 xf_points[4] = {
- p_xform.xform(p_rect.pos),
- p_xform.xform(Vector2(p_rect.pos.x + p_rect.size.x, p_rect.pos.y)),
- p_xform.xform(Vector2(p_rect.pos.x, p_rect.pos.y + p_rect.size.y)),
- p_xform.xform(Vector2(p_rect.pos.x + p_rect.size.x, p_rect.pos.y + p_rect.size.y)),
+ p_xform.xform(p_rect.position),
+ p_xform.xform(Vector2(p_rect.position.x + p_rect.size.x, p_rect.position.y)),
+ p_xform.xform(Vector2(p_rect.position.x, p_rect.position.y + p_rect.size.y)),
+ p_xform.xform(Vector2(p_rect.position.x + p_rect.size.x, p_rect.position.y + p_rect.size.y)),
};
real_t low_limit;
//base rect2 first (faster)
- if (xf_points[0].y > pos.y)
+ if (xf_points[0].y > position.y)
goto next1;
- if (xf_points[1].y > pos.y)
+ if (xf_points[1].y > position.y)
goto next1;
- if (xf_points[2].y > pos.y)
+ if (xf_points[2].y > position.y)
goto next1;
- if (xf_points[3].y > pos.y)
+ if (xf_points[3].y > position.y)
goto next1;
return false;
next1:
- low_limit = pos.y + size.y;
+ low_limit = position.y + size.y;
if (xf_points[0].y < low_limit)
goto next2;
@@ -706,20 +706,20 @@ next1:
next2:
- if (xf_points[0].x > pos.x)
+ if (xf_points[0].x > position.x)
goto next3;
- if (xf_points[1].x > pos.x)
+ if (xf_points[1].x > position.x)
goto next3;
- if (xf_points[2].x > pos.x)
+ if (xf_points[2].x > position.x)
goto next3;
- if (xf_points[3].x > pos.x)
+ if (xf_points[3].x > position.x)
goto next3;
return false;
next3:
- low_limit = pos.x + size.x;
+ low_limit = position.x + size.x;
if (xf_points[0].x < low_limit)
goto next4;
@@ -735,10 +735,10 @@ next3:
next4:
Vector2 xf_points2[4] = {
- pos,
- Vector2(pos.x + size.x, pos.y),
- Vector2(pos.x, pos.y + size.y),
- Vector2(pos.x + size.x, pos.y + size.y),
+ position,
+ Vector2(position.x + size.x, position.y),
+ Vector2(position.x, position.y + size.y),
+ Vector2(position.x + size.x, position.y + size.y),
};
real_t maxa = p_xform.elements[0].dot(xf_points2[0]);
@@ -847,10 +847,10 @@ Rect2 Transform2D::xform(const Rect2 &p_rect) const {
Vector2 x = elements[0] * p_rect.size.x;
Vector2 y = elements[1] * p_rect.size.y;
- Vector2 pos = xform(p_rect.pos);
+ Vector2 pos = xform(p_rect.position);
Rect2 new_rect;
- new_rect.pos = pos;
+ new_rect.position = pos;
new_rect.expand_to(pos + x);
new_rect.expand_to(pos + y);
new_rect.expand_to(pos + x + y);
@@ -868,14 +868,14 @@ void Transform2D::set_rotation_and_scale(real_t p_rot, const Size2 &p_scale) {
Rect2 Transform2D::xform_inv(const Rect2 &p_rect) const {
Vector2 ends[4] = {
- xform_inv(p_rect.pos),
- xform_inv(Vector2(p_rect.pos.x, p_rect.pos.y + p_rect.size.y)),
- xform_inv(Vector2(p_rect.pos.x + p_rect.size.x, p_rect.pos.y + p_rect.size.y)),
- xform_inv(Vector2(p_rect.pos.x + p_rect.size.x, p_rect.pos.y))
+ xform_inv(p_rect.position),
+ xform_inv(Vector2(p_rect.position.x, p_rect.position.y + p_rect.size.y)),
+ xform_inv(Vector2(p_rect.position.x + p_rect.size.x, p_rect.position.y + p_rect.size.y)),
+ xform_inv(Vector2(p_rect.position.x + p_rect.size.x, p_rect.position.y))
};
Rect2 new_rect;
- new_rect.pos = ends[0];
+ new_rect.position = ends[0];
new_rect.expand_to(ends[1]);
new_rect.expand_to(ends[2]);
new_rect.expand_to(ends[3]);