new aabb constructor

This commit is contained in:
Lera Elvoé 2025-03-03 00:44:54 +03:00
parent 1433aa8e40
commit 91c2e1bce1
Signed by: yagich
SSH Key Fingerprint: SHA256:6xjGb6uA7lAVcULa7byPEN//rQ0wPoG+UzYVMfZnbvc
2 changed files with 33 additions and 29 deletions

View File

@ -5,7 +5,7 @@ local List = require "types.list"
local AABB = require "types.aabb"
local test_aabb = AABB.new(
Vector3(-1, -1, -1),
Vector3(),
Vector3(1, 2, 1)
)

View File

@ -3,7 +3,7 @@ local Vector3 = require "types.vector3"
---@class AABB
local AABB = {
min = Vector3(),
max = Vector3(),
size = Vector3(),
}
local RED = {
@ -17,48 +17,52 @@ setmetatable(AABB, AABB)
AABB.__index = AABB
---@param min vectorlike
---@param max vectorlike
---@param position Vector3
---@param size Vector3
---@return AABB
function AABB.new(min, max)
min = min or Vector3()
max = max or Vector3()
function AABB.new(position, size)
position = position or Vector3()
size = size or Vector3(1, 1, 1)
local aabb = {
min = min,
max = max,
min = position,
size = size,
}
return setmetatable(aabb, AABB)
end
function AABB:get_max()
return self.min + self.size
end
function AABB:draw()
local max = self:get_max()
-- bottom rectangle
draw_line_3d{start = self.min, finish = Vector3(self.max.x, self.min.y, self.min.z)}
draw_line_3d{start = self.min, finish = Vector3(self.min.x, self.min.y, self.max.z)}
draw_line_3d{start = Vector3(self.max.x, self.min.y, self.max.z), finish = Vector3(self.min.x, self.min.y, self.max.z)}
draw_line_3d{start = Vector3(self.max.x, self.min.y, self.max.z), finish = Vector3(self.max.x, self.min.y, self.min.z)}
draw_line_3d{start = self.min, finish = Vector3(max.x, self.min.y, self.min.z)}
draw_line_3d{start = self.min, finish = Vector3(self.min.x, self.min.y, max.z)}
draw_line_3d{start = Vector3(max.x, self.min.y, max.z), finish = Vector3(self.min.x, self.min.y, max.z)}
draw_line_3d{start = Vector3(max.x, self.min.y, max.z), finish = Vector3(max.x, self.min.y, self.min.z)}
-- bottom rectangle diagonal
draw_line_3d{start = self.min, finish = Vector3(self.max.x, self.min.y, self.max.z), color = RED}
draw_line_3d{start = self.min, finish = Vector3(max.x, self.min.y, max.z), color = RED}
-- top rectangle
draw_line_3d{start = Vector3(self.min.x, self.max.y, self.min.z), finish = Vector3(self.max.x, self.max.y, self.min.z)}
draw_line_3d{start = Vector3(self.min.x, self.max.y, self.min.z), finish = Vector3(self.min.x, self.max.y, self.max.z)}
draw_line_3d{start = Vector3(self.max.x, self.max.y, self.max.z), finish = Vector3(self.min.x, self.max.y, self.max.z)}
draw_line_3d{start = Vector3(self.max.x, self.max.y, self.max.z), finish = Vector3(self.max.x, self.max.y, self.min.z)}
draw_line_3d{start = Vector3(self.min.x, max.y, self.min.z), finish = Vector3(max.x, max.y, self.min.z)}
draw_line_3d{start = Vector3(self.min.x, max.y, self.min.z), finish = Vector3(self.min.x, max.y, max.z)}
draw_line_3d{start = Vector3(max.x, max.y, max.z), finish = Vector3(self.min.x, max.y, max.z)}
draw_line_3d{start = Vector3(max.x, max.y, max.z), finish = Vector3(max.x, max.y, self.min.z)}
-- top rectangle diagonal
draw_line_3d{start = Vector3(self.max.x, self.max.y, self.max.z), finish = Vector3(self.min.x, self.max.y, self.min.z), color = RED}
draw_line_3d{start = Vector3(max.x, max.y, max.z), finish = Vector3(self.min.x, max.y, self.min.z), color = RED}
-- hull
draw_line_3d{start = self.min, finish = Vector3(self.min.x, self.max.y, self.min.z)}
draw_line_3d{start = self.min, finish = Vector3(self.max.x, self.max.y, self.min.z), color = RED}
draw_line_3d{start = Vector3(self.max.x, self.min.y, self.min.z), finish = Vector3(self.max.x, self.max.y, self.min.z)}
draw_line_3d{start = Vector3(self.max.x, self.min.y, self.min.z), finish = Vector3(self.max.x, self.max.y, self.max.z), color = RED}
draw_line_3d{start = Vector3(self.max.x, self.min.y, self.max.z), finish = Vector3(self.max.x, self.max.y, self.max.z)}
draw_line_3d{start = Vector3(self.max.x, self.min.y, self.max.z), finish = Vector3(self.min.x, self.max.y, self.max.z), color = RED}
draw_line_3d{start = self.min, finish = Vector3(self.min.x, max.y, self.min.z)}
draw_line_3d{start = self.min, finish = Vector3(max.x, max.y, self.min.z), color = RED}
draw_line_3d{start = Vector3(self.min.x, self.min.y, self.max.z), finish = Vector3(self.min.x, self.max.y, self.max.z)}
draw_line_3d{start = Vector3(self.min.x, self.min.y, self.max.z), finish = Vector3(self.min.x, self.max.y, self.min.z), color = RED}
draw_line_3d{start = Vector3(max.x, self.min.y, self.min.z), finish = Vector3(max.x, max.y, self.min.z)}
draw_line_3d{start = Vector3(max.x, self.min.y, self.min.z), finish = Vector3(max.x, max.y, max.z), color = RED}
draw_line_3d{start = Vector3(max.x, self.min.y, max.z), finish = Vector3(max.x, max.y, max.z)}
draw_line_3d{start = Vector3(max.x, self.min.y, max.z), finish = Vector3(self.min.x, max.y, max.z), color = RED}
draw_line_3d{start = Vector3(self.min.x, self.min.y, max.z), finish = Vector3(self.min.x, max.y, max.z)}
draw_line_3d{start = Vector3(self.min.x, self.min.y, max.z), finish = Vector3(self.min.x, max.y, self.min.z), color = RED}
end
return AABB