diff options
Diffstat (limited to 'core/math/math_2d.h')
-rw-r--r-- | core/math/math_2d.h | 210 |
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]); |