2024-04-24 10:42:04 +02:00

86 lines
2.2 KiB
Lua

---
--
-- ### Author: **nielsvaes/coconutcockpit**
--
-- ===
-- @module Shapes.CUBE
-- @image MOOSE.JPG
--- LINE class.
-- @type CUBE
-- @field #string ClassName Name of the class.
-- @field #number Points points of the line
-- @field #number Coords coordinates of the line
--
-- ===
---
-- @field #CUBE
CUBE = {
ClassName = "CUBE",
Points = {},
Coords = {}
}
--- Points need to be added in the following order:
--- p1 -> p4 make up the front face of the cube
--- p5 -> p8 make up the back face of the cube
--- p1 connects to p5
--- p2 connects to p6
--- p3 connects to p7
--- p4 connects to p8
---
--- 8-----------7
--- /| /|
--- / | / |
--- 4--+--------3 |
--- | | | |
--- | | | |
--- | | | |
--- | 5--------+--6
--- | / | /
--- |/ |/
--- 1-----------2
---
function CUBE:New(p1, p2, p3, p4, p5, p6, p7, p8)
local self = BASE:Inherit(self, SHAPE_BASE)
self.Points = {p1, p2, p3, p4, p5, p6, p7, p8}
for _, point in spairs(self.Points) do
table.insert(self.Coords, COORDINATE:NewFromVec3(point))
end
return self
end
function CUBE:GetCenter()
local center = { x=0, y=0, z=0 }
for _, point in pairs(self.Points) do
center.x = center.x + point.x
center.y = center.y + point.y
center.z = center.z + point.z
end
center.x = center.x / 8
center.y = center.y / 8
center.z = center.z / 8
return center
end
function CUBE:ContainsPoint(point, cube_points)
cube_points = cube_points or self.Points
local min_x, min_y, min_z = math.huge, math.huge, math.huge
local max_x, max_y, max_z = -math.huge, -math.huge, -math.huge
-- Find the minimum and maximum x, y, and z values of the cube points
for _, p in ipairs(cube_points) do
if p.x < min_x then min_x = p.x end
if p.y < min_y then min_y = p.y end
if p.z < min_z then min_z = p.z end
if p.x > max_x then max_x = p.x end
if p.y > max_y then max_y = p.y end
if p.z > max_z then max_z = p.z end
end
return point.x >= min_x and point.x <= max_x and point.y >= min_y and point.y <= max_y and point.z >= min_z and point.z <= max_z
end