1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
|
-- For luaJit compatibility.
if table.unpack == nil then
table.unpack = unpack
end
local Vector3 = Vector3 or require( "vector3" )
local BoundingBox = {}
local metatable = {
__index = BoundingBox,
__tostring = function( b )
return "{{"..tostring( b.min.x )..", "..tostring( b.min.y )..", "..tostring( b.min.z ).."}, {"
..tostring( b.max.x )..", "..tostring( b.max.y )..", "..tostring( b.max.z ).."}}"
end,
}
--- Expects format { ... }, { ... }
function BoundingBox:new( min, max )
local object = setmetatable( {}, metatable )
object.min = Vector3:newT( min )
object.max = Vector3:newT( max )
return object
end
--- Expects format { { ... }, { ... } }
function BoundingBox:newT( t )
local object = setmetatable( {}, metatable )
object.min = Vector3:newT( t[1] )
object.max = Vector3:newT( t[2] )
return object
end
--- Expects format { Vector3, Vector3 }
function BoundingBox:newV( min, max )
local object = setmetatable( {}, metatable )
object.min = min:clone()
object.max = max:clone()
return object
end
--- Expects format BoundingBox
function BoundingBox:newB( b )
local object = setmetatable( {}, metatable )
object.min = b.min:clone()
object.max = b.max:clone()
return object
end
function BoundingBox:serialize()
return table.concat( { "BoundingBox:new({", self.min.x, ",", self.min.y, ",", self.min.z, "},{", self.max.x, ",", self.max.y, ",", self.max.z, "})" } )
end
--- Expects format { ... }, { ... }
function BoundingBox:set( min, max )
self.min:setT( min )
self.max:setT( max )
end
--- Expects format { { ... }, { ... } }
function BoundingBox:setT( t )
self.min:setT( t[1] )
self.max:setT( t[2] )
end
--- Expects format { Vector3, Vector3 }
function BoundingBox:setV( min, max )
self.min:setV( min )
self.max:setV( max )
end
--- Expects format BoundingBox
function BoundingBox:setB( b )
self.min:setV( b.min )
self.max:setV( b.max )
end
function BoundingBox:arr()
return { { self.min.x, self.min.y, self.min.z }, { self.max.x, self.max.y, self.max.z } }
end
function BoundingBox:unpack()
return self.min, self.max
end
function BoundingBox:clone()
return BoundingBox:newB( self )
end
function BoundingBox:scale( scalar )
return BoundingBox:newV( self.min, self.max:scale( scalar ) )
end
function BoundingBox:getPoints()
return {
self.min:clone(), -- Down back left.
Vector3:new( self.max.x, self.min.y, self.min.z ), -- Down back right.
Vector3:new( self.min.x, self.min.y, self.max.z ), -- Down front left.
Vector3:new( self.max.x, self.min.y, self.max.z ), -- Down front right.
Vector3:new( self.min.x, self.max.y, self.min.z ), -- Up back left.
Vector3:new( self.max.x, self.max.y, self.min.z ), -- Up back right.
Vector3:new( self.min.x, self.max.y, self.max.z ), -- Up front left.
self.max:clone(), -- Up front right.
}
end
function BoundingBox:checkCollisionBox( b )
return RL.CheckCollisionBoxes( self:maxToPos(), b:maxToPos() )
end
function BoundingBox:checkCollisionSphere( center, radius )
return RL.CheckCollisionBoxSphere( self:maxToPos(), center, radius )
end
function BoundingBox:getRayCollision( ray )
return RL.GetRayCollisionBox( ray, self:maxToPos() )
end
-- Max to position from size.
function BoundingBox:maxToPos()
return BoundingBox:new( self.min, self.min + self.max )
end
-- Max to size from position.
function BoundingBox:maxToSize()
return BoundingBox:new( self.min, self.max - self.min )
end
return BoundingBox
|
