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-rw-r--r--modules/mono/glue/Managed/Files/AABB.cs466
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diff --git a/modules/mono/glue/Managed/Files/AABB.cs b/modules/mono/glue/Managed/Files/AABB.cs
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+// file: core/math/aabb.h
+// commit: 7ad14e7a3e6f87ddc450f7e34621eb5200808451
+// file: core/math/aabb.cpp
+// commit: bd282ff43f23fe845f29a3e25c8efc01bd65ffb0
+// file: core/variant_call.cpp
+// commit: 5ad9be4c24e9d7dc5672fdc42cea896622fe5685
+using System;
+#if REAL_T_IS_DOUBLE
+using real_t = System.Double;
+#else
+using real_t = System.Single;
+#endif
+
+namespace Godot
+{
+ public struct AABB : IEquatable<AABB>
+ {
+ private Vector3 _position;
+ private Vector3 _size;
+
+ public Vector3 Position
+ {
+ get { return _position; }
+ set { _position = value; }
+ }
+
+ public Vector3 Size
+ {
+ get { return _size; }
+ set { _size = value; }
+ }
+
+ public Vector3 End
+ {
+ get { return _position + _size; }
+ set { _size = value - _position; }
+ }
+
+ public bool Encloses(AABB with)
+ {
+ Vector3 src_min = _position;
+ Vector3 src_max = _position + _size;
+ Vector3 dst_min = with._position;
+ Vector3 dst_max = with._position + with._size;
+
+ return src_min.x <= dst_min.x &&
+ src_max.x > dst_max.x &&
+ src_min.y <= dst_min.y &&
+ src_max.y > dst_max.y &&
+ src_min.z <= dst_min.z &&
+ src_max.z > dst_max.z;
+ }
+
+ public AABB Expand(Vector3 point)
+ {
+ Vector3 begin = _position;
+ Vector3 end = _position + _size;
+
+ if (point.x < begin.x)
+ begin.x = point.x;
+ if (point.y < begin.y)
+ begin.y = point.y;
+ if (point.z < begin.z)
+ begin.z = point.z;
+
+ if (point.x > end.x)
+ end.x = point.x;
+ if (point.y > end.y)
+ end.y = point.y;
+ if (point.z > end.z)
+ end.z = point.z;
+
+ return new AABB(begin, end - begin);
+ }
+
+ public real_t GetArea()
+ {
+ return _size.x * _size.y * _size.z;
+ }
+
+ public Vector3 GetEndpoint(int idx)
+ {
+ switch (idx)
+ {
+ case 0:
+ return new Vector3(_position.x, _position.y, _position.z);
+ case 1:
+ return new Vector3(_position.x, _position.y, _position.z + _size.z);
+ case 2:
+ return new Vector3(_position.x, _position.y + _size.y, _position.z);
+ case 3:
+ return new Vector3(_position.x, _position.y + _size.y, _position.z + _size.z);
+ case 4:
+ return new Vector3(_position.x + _size.x, _position.y, _position.z);
+ case 5:
+ return new Vector3(_position.x + _size.x, _position.y, _position.z + _size.z);
+ case 6:
+ return new Vector3(_position.x + _size.x, _position.y + _size.y, _position.z);
+ case 7:
+ return new Vector3(_position.x + _size.x, _position.y + _size.y, _position.z + _size.z);
+ default:
+ throw new ArgumentOutOfRangeException(nameof(idx), String.Format("Index is {0}, but a value from 0 to 7 is expected.", idx));
+ }
+ }
+
+ public Vector3 GetLongestAxis()
+ {
+ var axis = new Vector3(1f, 0f, 0f);
+ real_t max_size = _size.x;
+
+ if (_size.y > max_size)
+ {
+ axis = new Vector3(0f, 1f, 0f);
+ max_size = _size.y;
+ }
+
+ if (_size.z > max_size)
+ {
+ axis = new Vector3(0f, 0f, 1f);
+ }
+
+ return axis;
+ }
+
+ public Vector3.Axis GetLongestAxisIndex()
+ {
+ var axis = Vector3.Axis.X;
+ real_t max_size = _size.x;
+
+ if (_size.y > max_size)
+ {
+ axis = Vector3.Axis.Y;
+ max_size = _size.y;
+ }
+
+ if (_size.z > max_size)
+ {
+ axis = Vector3.Axis.Z;
+ }
+
+ return axis;
+ }
+
+ public real_t GetLongestAxisSize()
+ {
+ real_t max_size = _size.x;
+
+ if (_size.y > max_size)
+ max_size = _size.y;
+
+ if (_size.z > max_size)
+ max_size = _size.z;
+
+ return max_size;
+ }
+
+ public Vector3 GetShortestAxis()
+ {
+ var axis = new Vector3(1f, 0f, 0f);
+ real_t max_size = _size.x;
+
+ if (_size.y < max_size)
+ {
+ axis = new Vector3(0f, 1f, 0f);
+ max_size = _size.y;
+ }
+
+ if (_size.z < max_size)
+ {
+ axis = new Vector3(0f, 0f, 1f);
+ }
+
+ return axis;
+ }
+
+ public Vector3.Axis GetShortestAxisIndex()
+ {
+ var axis = Vector3.Axis.X;
+ real_t max_size = _size.x;
+
+ if (_size.y < max_size)
+ {
+ axis = Vector3.Axis.Y;
+ max_size = _size.y;
+ }
+
+ if (_size.z < max_size)
+ {
+ axis = Vector3.Axis.Z;
+ }
+
+ return axis;
+ }
+
+ public real_t GetShortestAxisSize()
+ {
+ real_t max_size = _size.x;
+
+ if (_size.y < max_size)
+ max_size = _size.y;
+
+ if (_size.z < max_size)
+ max_size = _size.z;
+
+ return max_size;
+ }
+
+ public Vector3 GetSupport(Vector3 dir)
+ {
+ Vector3 half_extents = _size * 0.5f;
+ Vector3 ofs = _position + half_extents;
+
+ return ofs + new Vector3(
+ dir.x > 0f ? -half_extents.x : half_extents.x,
+ dir.y > 0f ? -half_extents.y : half_extents.y,
+ dir.z > 0f ? -half_extents.z : half_extents.z);
+ }
+
+ public AABB Grow(real_t by)
+ {
+ var res = this;
+
+ res._position.x -= by;
+ res._position.y -= by;
+ res._position.z -= by;
+ res._size.x += 2.0f * by;
+ res._size.y += 2.0f * by;
+ res._size.z += 2.0f * by;
+
+ return res;
+ }
+
+ public bool HasNoArea()
+ {
+ return _size.x <= 0f || _size.y <= 0f || _size.z <= 0f;
+ }
+
+ public bool HasNoSurface()
+ {
+ return _size.x <= 0f && _size.y <= 0f && _size.z <= 0f;
+ }
+
+ public bool HasPoint(Vector3 point)
+ {
+ if (point.x < _position.x)
+ return false;
+ if (point.y < _position.y)
+ return false;
+ if (point.z < _position.z)
+ return false;
+ if (point.x > _position.x + _size.x)
+ return false;
+ if (point.y > _position.y + _size.y)
+ return false;
+ if (point.z > _position.z + _size.z)
+ return false;
+
+ return true;
+ }
+
+ public AABB Intersection(AABB with)
+ {
+ Vector3 src_min = _position;
+ Vector3 src_max = _position + _size;
+ Vector3 dst_min = with._position;
+ Vector3 dst_max = with._position + with._size;
+
+ Vector3 min, max;
+
+ if (src_min.x > dst_max.x || src_max.x < dst_min.x)
+ {
+ return new AABB();
+ }
+
+ min.x = src_min.x > dst_min.x ? src_min.x : dst_min.x;
+ max.x = src_max.x < dst_max.x ? src_max.x : dst_max.x;
+
+ if (src_min.y > dst_max.y || src_max.y < dst_min.y)
+ {
+ return new AABB();
+ }
+
+ min.y = src_min.y > dst_min.y ? src_min.y : dst_min.y;
+ max.y = src_max.y < dst_max.y ? src_max.y : dst_max.y;
+
+ if (src_min.z > dst_max.z || src_max.z < dst_min.z)
+ {
+ return new AABB();
+ }
+
+ min.z = src_min.z > dst_min.z ? src_min.z : dst_min.z;
+ max.z = src_max.z < dst_max.z ? src_max.z : dst_max.z;
+
+ return new AABB(min, max - min);
+ }
+
+ public bool Intersects(AABB with)
+ {
+ if (_position.x >= with._position.x + with._size.x)
+ return false;
+ if (_position.x + _size.x <= with._position.x)
+ return false;
+ if (_position.y >= with._position.y + with._size.y)
+ return false;
+ if (_position.y + _size.y <= with._position.y)
+ return false;
+ if (_position.z >= with._position.z + with._size.z)
+ return false;
+ if (_position.z + _size.z <= with._position.z)
+ return false;
+
+ return true;
+ }
+
+ public bool IntersectsPlane(Plane plane)
+ {
+ Vector3[] points =
+ {
+ new Vector3(_position.x, _position.y, _position.z),
+ new Vector3(_position.x, _position.y, _position.z + _size.z),
+ new Vector3(_position.x, _position.y + _size.y, _position.z),
+ new Vector3(_position.x, _position.y + _size.y, _position.z + _size.z),
+ new Vector3(_position.x + _size.x, _position.y, _position.z),
+ new Vector3(_position.x + _size.x, _position.y, _position.z + _size.z),
+ new Vector3(_position.x + _size.x, _position.y + _size.y, _position.z),
+ new Vector3(_position.x + _size.x, _position.y + _size.y, _position.z + _size.z)
+ };
+
+ bool over = false;
+ bool under = false;
+
+ for (int i = 0; i < 8; i++)
+ {
+ if (plane.DistanceTo(points[i]) > 0)
+ over = true;
+ else
+ under = true;
+ }
+
+ return under && over;
+ }
+
+ public bool IntersectsSegment(Vector3 from, Vector3 to)
+ {
+ real_t min = 0f;
+ real_t max = 1f;
+
+ for (int i = 0; i < 3; i++)
+ {
+ real_t segFrom = from[i];
+ real_t segTo = to[i];
+ real_t boxBegin = _position[i];
+ real_t boxEnd = boxBegin + _size[i];
+ real_t cmin, cmax;
+
+ if (segFrom < segTo)
+ {
+ if (segFrom > boxEnd || segTo < boxBegin)
+ return false;
+
+ real_t length = segTo - segFrom;
+ cmin = segFrom < boxBegin ? (boxBegin - segFrom) / length : 0f;
+ cmax = segTo > boxEnd ? (boxEnd - segFrom) / length : 1f;
+ }
+ else
+ {
+ if (segTo > boxEnd || segFrom < boxBegin)
+ return false;
+
+ real_t length = segTo - segFrom;
+ cmin = segFrom > boxEnd ? (boxEnd - segFrom) / length : 0f;
+ cmax = segTo < boxBegin ? (boxBegin - segFrom) / length : 1f;
+ }
+
+ if (cmin > min)
+ {
+ min = cmin;
+ }
+
+ if (cmax < max)
+ max = cmax;
+ if (max < min)
+ return false;
+ }
+
+ return true;
+ }
+
+ public AABB Merge(AABB with)
+ {
+ Vector3 beg1 = _position;
+ Vector3 beg2 = with._position;
+ var end1 = new Vector3(_size.x, _size.y, _size.z) + beg1;
+ var end2 = new Vector3(with._size.x, with._size.y, with._size.z) + beg2;
+
+ var min = new Vector3(
+ beg1.x < beg2.x ? beg1.x : beg2.x,
+ beg1.y < beg2.y ? beg1.y : beg2.y,
+ beg1.z < beg2.z ? beg1.z : beg2.z
+ );
+
+ var max = new Vector3(
+ end1.x > end2.x ? end1.x : end2.x,
+ end1.y > end2.y ? end1.y : end2.y,
+ end1.z > end2.z ? end1.z : end2.z
+ );
+
+ return new AABB(min, max - min);
+ }
+
+ // Constructors
+ public AABB(Vector3 position, Vector3 size)
+ {
+ _position = position;
+ _size = size;
+ }
+
+ public static bool operator ==(AABB left, AABB right)
+ {
+ return left.Equals(right);
+ }
+
+ public static bool operator !=(AABB left, AABB right)
+ {
+ return !left.Equals(right);
+ }
+
+ public override bool Equals(object obj)
+ {
+ if (obj is AABB)
+ {
+ return Equals((AABB)obj);
+ }
+
+ return false;
+ }
+
+ public bool Equals(AABB other)
+ {
+ return _position == other._position && _size == other._size;
+ }
+
+ public override int GetHashCode()
+ {
+ return _position.GetHashCode() ^ _size.GetHashCode();
+ }
+
+ public override string ToString()
+ {
+ return String.Format("{0} - {1}", new object[]
+ {
+ _position.ToString(),
+ _size.ToString()
+ });
+ }
+
+ public string ToString(string format)
+ {
+ return String.Format("{0} - {1}", new object[]
+ {
+ _position.ToString(format),
+ _size.ToString(format)
+ });
+ }
+ }
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-07 07:48:03 +0000