diff options
Diffstat (limited to 'core/math/rect2.cpp')
| -rw-r--r-- | core/math/rect2.cpp | 56 |
1 files changed, 35 insertions, 21 deletions
diff --git a/core/math/rect2.cpp b/core/math/rect2.cpp index f64bf560c8..9e78ead816 100644 --- a/core/math/rect2.cpp +++ b/core/math/rect2.cpp @@ -5,8 +5,8 @@ /* GODOT ENGINE */ /* https://godotengine.org */ /*************************************************************************/ -/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */ -/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */ +/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */ /* */ /* Permission is hereby granted, free of charge, to any person obtaining */ /* a copy of this software and associated documentation files (the */ @@ -28,13 +28,22 @@ /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /*************************************************************************/ -#include "core/math/transform_2d.h" // Includes rect2.h but Rect2 needs Transform2D +#include "rect2.h" + +#include "core/math/rect2i.h" +#include "core/math/transform_2d.h" +#include "core/string/ustring.h" bool Rect2::is_equal_approx(const Rect2 &p_rect) const { return position.is_equal_approx(p_rect.position) && size.is_equal_approx(p_rect.size); } bool Rect2::intersects_segment(const Point2 &p_from, const Point2 &p_to, Point2 *r_pos, Point2 *r_normal) const { +#ifdef MATH_CHECKS + if (unlikely(size.x < 0 || size.y < 0)) { + ERR_PRINT("Rect2 size is negative, this is not supported. Use Rect2.abs() to get a Rect2 with a positive size."); + } +#endif real_t min = 0, max = 1; int axis = 0; real_t sign = 0; @@ -95,6 +104,11 @@ bool Rect2::intersects_segment(const Point2 &p_from, const Point2 &p_to, Point2 } bool Rect2::intersects_transformed(const Transform2D &p_xform, const Rect2 &p_rect) const { +#ifdef MATH_CHECKS + if (unlikely(size.x < 0 || size.y < 0 || p_rect.size.x < 0 || p_rect.size.y < 0)) { + ERR_PRINT("Rect2 size is negative, this is not supported. Use Rect2.abs() to get a Rect2 with a positive size."); + } +#endif //SAT intersection between local and transformed rect2 Vector2 xf_points[4] = { @@ -187,33 +201,33 @@ next4: Vector2(position.x + size.x, position.y + size.y), }; - real_t maxa = p_xform.elements[0].dot(xf_points2[0]); + real_t maxa = p_xform.columns[0].dot(xf_points2[0]); real_t mina = maxa; - real_t dp = p_xform.elements[0].dot(xf_points2[1]); + real_t dp = p_xform.columns[0].dot(xf_points2[1]); maxa = MAX(dp, maxa); mina = MIN(dp, mina); - dp = p_xform.elements[0].dot(xf_points2[2]); + dp = p_xform.columns[0].dot(xf_points2[2]); maxa = MAX(dp, maxa); mina = MIN(dp, mina); - dp = p_xform.elements[0].dot(xf_points2[3]); + dp = p_xform.columns[0].dot(xf_points2[3]); maxa = MAX(dp, maxa); mina = MIN(dp, mina); - real_t maxb = p_xform.elements[0].dot(xf_points[0]); + real_t maxb = p_xform.columns[0].dot(xf_points[0]); real_t minb = maxb; - dp = p_xform.elements[0].dot(xf_points[1]); + dp = p_xform.columns[0].dot(xf_points[1]); maxb = MAX(dp, maxb); minb = MIN(dp, minb); - dp = p_xform.elements[0].dot(xf_points[2]); + dp = p_xform.columns[0].dot(xf_points[2]); maxb = MAX(dp, maxb); minb = MIN(dp, minb); - dp = p_xform.elements[0].dot(xf_points[3]); + dp = p_xform.columns[0].dot(xf_points[3]); maxb = MAX(dp, maxb); minb = MIN(dp, minb); @@ -224,33 +238,33 @@ next4: return false; } - maxa = p_xform.elements[1].dot(xf_points2[0]); + maxa = p_xform.columns[1].dot(xf_points2[0]); mina = maxa; - dp = p_xform.elements[1].dot(xf_points2[1]); + dp = p_xform.columns[1].dot(xf_points2[1]); maxa = MAX(dp, maxa); mina = MIN(dp, mina); - dp = p_xform.elements[1].dot(xf_points2[2]); + dp = p_xform.columns[1].dot(xf_points2[2]); maxa = MAX(dp, maxa); mina = MIN(dp, mina); - dp = p_xform.elements[1].dot(xf_points2[3]); + dp = p_xform.columns[1].dot(xf_points2[3]); maxa = MAX(dp, maxa); mina = MIN(dp, mina); - maxb = p_xform.elements[1].dot(xf_points[0]); + maxb = p_xform.columns[1].dot(xf_points[0]); minb = maxb; - dp = p_xform.elements[1].dot(xf_points[1]); + dp = p_xform.columns[1].dot(xf_points[1]); maxb = MAX(dp, maxb); minb = MIN(dp, minb); - dp = p_xform.elements[1].dot(xf_points[2]); + dp = p_xform.columns[1].dot(xf_points[2]); maxb = MAX(dp, maxb); minb = MIN(dp, minb); - dp = p_xform.elements[1].dot(xf_points[3]); + dp = p_xform.columns[1].dot(xf_points[3]); maxb = MAX(dp, maxb); minb = MIN(dp, minb); @@ -268,6 +282,6 @@ Rect2::operator String() const { return "[P: " + position.operator String() + ", S: " + size + "]"; } -Rect2i::operator String() const { - return "[P: " + position.operator String() + ", S: " + size + "]"; +Rect2::operator Rect2i() const { + return Rect2i(position, size); } |