summaryrefslogtreecommitdiff
path: root/modules/mono/glue/cs_files/AABB.cs
diff options
context:
space:
mode:
Diffstat (limited to 'modules/mono/glue/cs_files/AABB.cs')
-rw-r--r--modules/mono/glue/cs_files/AABB.cs477
1 files changed, 477 insertions, 0 deletions
diff --git a/modules/mono/glue/cs_files/AABB.cs b/modules/mono/glue/cs_files/AABB.cs
new file mode 100644
index 0000000000..6ee3bbe53a
--- /dev/null
+++ b/modules/mono/glue/cs_files/AABB.cs
@@ -0,0 +1,477 @@
+using System;
+
+// file: core/math/aabb.h
+// commit: 7ad14e7a3e6f87ddc450f7e34621eb5200808451
+// file: core/math/aabb.cpp
+// commit: bd282ff43f23fe845f29a3e25c8efc01bd65ffb0
+// file: core/variant_call.cpp
+// commit: 5ad9be4c24e9d7dc5672fdc42cea896622fe5685
+
+namespace Godot
+{
+ public struct AABB : IEquatable<AABB>
+ {
+ private Vector3 position;
+ private Vector3 size;
+
+ public Vector3 Position
+ {
+ get
+ {
+ return position;
+ }
+ }
+
+ public Vector3 Size
+ {
+ get
+ {
+ return size;
+ }
+ }
+
+ public Vector3 End
+ {
+ get
+ {
+ return position + size;
+ }
+ }
+
+ 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 to_point)
+ {
+ Vector3 begin = position;
+ Vector3 end = position + size;
+
+ if (to_point.x < begin.x)
+ begin.x = to_point.x;
+ if (to_point.y < begin.y)
+ begin.y = to_point.y;
+ if (to_point.z < begin.z)
+ begin.z = to_point.z;
+
+ if (to_point.x > end.x)
+ end.x = to_point.x;
+ if (to_point.y > end.y)
+ end.y = to_point.y;
+ if (to_point.z > end.z)
+ end.z = to_point.z;
+
+ return new AABB(begin, end - begin);
+ }
+
+ public float get_area()
+ {
+ return size.x * size.y * size.z;
+ }
+
+ public Vector3 get_endpoint(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 get_longest_axis()
+ {
+ Vector3 axis = new Vector3(1f, 0f, 0f);
+ float 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);
+ max_size = size.z;
+ }
+
+ return axis;
+ }
+
+ public Vector3.Axis get_longest_axis_index()
+ {
+ Vector3.Axis axis = Vector3.Axis.X;
+ float 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;
+ max_size = size.z;
+ }
+
+ return axis;
+ }
+
+ public float get_longest_axis_size()
+ {
+ float 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 get_shortest_axis()
+ {
+ Vector3 axis = new Vector3(1f, 0f, 0f);
+ float 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);
+ max_size = size.z;
+ }
+
+ return axis;
+ }
+
+ public Vector3.Axis get_shortest_axis_index()
+ {
+ Vector3.Axis axis = Vector3.Axis.X;
+ float 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;
+ max_size = size.z;
+ }
+
+ return axis;
+ }
+
+ public float get_shortest_axis_size()
+ {
+ float 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 get_support(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(float by)
+ {
+ AABB 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 has_no_area()
+ {
+ return size.x <= 0f || size.y <= 0f || size.z <= 0f;
+ }
+
+ public bool has_no_surface()
+ {
+ return size.x <= 0f && size.y <= 0f && size.z <= 0f;
+ }
+
+ public bool has_point(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();
+ }
+ else
+ {
+ 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();
+ }
+ else
+ {
+ 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();
+ }
+ else
+ {
+ 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 intersects_plane(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.distance_to(points[i]) > 0)
+ over = true;
+ else
+ under = true;
+ }
+
+ return under && over;
+ }
+
+ public bool intersects_segment(Vector3 from, Vector3 to)
+ {
+ float min = 0f;
+ float max = 1f;
+
+ for (int i = 0; i < 3; i++)
+ {
+ float seg_from = from[i];
+ float seg_to = to[i];
+ float box_begin = position[i];
+ float box_end = box_begin + size[i];
+ float cmin, cmax;
+
+ if (seg_from < seg_to)
+ {
+ if (seg_from > box_end || seg_to < box_begin)
+ return false;
+
+ float length = seg_to - seg_from;
+ cmin = seg_from < box_begin ? (box_begin - seg_from) / length : 0f;
+ cmax = seg_to > box_end ? (box_end - seg_from) / length : 1f;
+ }
+ else
+ {
+ if (seg_to > box_end || seg_from < box_begin)
+ return false;
+
+ float length = seg_to - seg_from;
+ cmin = seg_from > box_end ? (box_end - seg_from) / length : 0f;
+ cmax = seg_to < box_begin ? (box_begin - seg_from) / 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 beg_1 = position;
+ Vector3 beg_2 = with.position;
+ Vector3 end_1 = new Vector3(size.x, size.y, size.z) + beg_1;
+ Vector3 end_2 = new Vector3(with.size.x, with.size.y, with.size.z) + beg_2;
+
+ Vector3 min = new Vector3(
+ (beg_1.x < beg_2.x) ? beg_1.x : beg_2.x,
+ (beg_1.y < beg_2.y) ? beg_1.y : beg_2.y,
+ (beg_1.z < beg_2.z) ? beg_1.z : beg_2.z
+ );
+
+ Vector3 max = new Vector3(
+ (end_1.x > end_2.x) ? end_1.x : end_2.x,
+ (end_1.y > end_2.y) ? end_1.y : end_2.y,
+ (end_1.z > end_2.z) ? end_1.z : end_2.z
+ );
+
+ return new AABB(min, max - min);
+ }
+
+ public AABB(Vector3 position, Vector3 size)
+ {
+ this.position = position;
+ this.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[]
+ {
+ this.position.ToString(),
+ this.size.ToString()
+ });
+ }
+
+ public string ToString(string format)
+ {
+ return String.Format("{0} - {1}", new object[]
+ {
+ this.position.ToString(format),
+ this.size.ToString(format)
+ });
+ }
+ }
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-02 21:27:48 +0000