feat: initial version of physical entities for 3D

This commit is contained in:
Kazhnuz 2020-11-27 16:02:39 +01:00
parent cf1928444f
commit e58f197049
3 changed files with 213 additions and 0 deletions

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birb/objects/3D/box.lua Normal file
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-- box.lua :: a 3D box.
--[[
Copyright © 2019 Kazhnuz
Permission is hereby granted, free of charge, to any person obtaining a copy of
this software and associated documentation files (the "Software"), to deal in
the Software without restriction, including without limitation the rights to
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
the Software, and to permit persons to whom the Software is furnished to do so,
subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
]]
local Point = require "birb.objects.3D.point3D"
local Box = Point:extend()
function Box:new(x, y, z, w, h, d)
Box.super.new(self, x, y, z)
self:setSize(w, h, d)
end
function Box:setSize(w, h, d)
self.w = w or self.w
self.h = h or self.h
self.d = d or self.d
end
function Box:getArea()
local x, y, z = self:getPosition()
return x, y, z, self.w, self.h, self.d
end
function Box:getShape()
local x, y, z, w, h, d = self:getArea()
end
function Box:getCorners()
local x, y, z, w, h, d = self:getArea()
return x, y, z, x + w, y + h, z + d
end
function Box:getCenter()
local x, y, z, w, h, d = self:getArea()
return math.floor(x + (w/2)), math.floor(y + (h/2)), math.floor(z + (d/2))
end
function Box:areCoordInside(dx, dy, dz)
local x, y, z, w, h, d = self:getArea()
return ((dx > x) and (dx < x + w) and (dy > y) and (dy < y + h)) and (dz > z) and (dz < z + d)
end
function Box:getRelativeCoordinate(dx, dy, dz)
return dx - self.x, dy - self.y, dz - self.z
end
function Box:drawBox()
utils.graphics.box(self.x, self.y, self.w, self.h)
end
return Box

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-- indexedbox.lua :: An indexed box is a box indexed to a point,
-- Basically a box that have its coordinate recalculated from an existing
-- point
--[[
Copyright © 2019 Kazhnuz
Permission is hereby granted, free of charge, to any person obtaining a copy of
this software and associated documentation files (the "Software"), to deal in
the Software without restriction, including without limitation the rights to
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
the Software, and to permit persons to whom the Software is furnished to do so,
subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
]]
local Rect = require "birb.objects.2D.rect"
local IndexedRect = Rect:extend()
function IndexedRect:new(origin, ox, oy, oz, w, h, d)
self.setOrigin(origin)
self.ox = ox
self.oy = oy
self.oz = oz
local x, y, z = self:getPosition()
IndexedRect.super.new(self, x, y, w, h)
end
function IndexedRect:setRelativePosition(ox, oy, oz)
self.ox = ox or self.ox
self.oy = oy or self.oy
self.oz = oz or self.oz
end
function IndexedRect:setOrigin(origin)
self.origin = origin
-- We should check if the origin is really a point
end
function IndexedRect:getOrigin(origin)
return self.origin
end
function IndexedRect:getPosition()
return self.origin.x + self.ox, self.origin.y + self.oy, self.origin.z + self.oz
end
function IndexedRect:updateBox()
local x, y, z = self:getPosition()
self:setPosition(x, y, z)
return x, y, self.w, self.h, self.d
end
function IndexedRect:modify(ox, oy, oz, w, h, d)
self.ox = ox
self.oy = oy
self.oz = oz
self:setSize(w, h, d)
self:updateBox()
end
return IndexedRect

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-- point3D.lua :: a 3D point.
--[[
Copyright © 2019 Kazhnuz
Permission is hereby granted, free of charge, to any person obtaining a copy of
this software and associated documentation files (the "Software"), to deal in
the Software without restriction, including without limitation the rights to
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
the Software, and to permit persons to whom the Software is furnished to do so,
subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
]]
local Point = Object:extend()
function Point:new(x, y, z)
self.x, self.y, self.z = x, y, z
end
function Point:setPosition(x, y, z)
self.x, self.y, self.z = x, y, z
end
function Point:goToward(x, y, z)
local x = x or 0
local y = y or 0
local z = z or 0
self:setPosition(self.x + x, self.y + y, self.z + z)
end
function Point:getPosition()
return self.x, self.y, self.z
end
function Point:getDistance(x, y, z)
return utils.math.pointDistance3D(self.x, self.y, self.z, x, y, z)
end
function Point:getDistanceFromPoint(other)
local x, y, z = other:getPosition()
self:getDistance(x, y, z)
end
function Point:getDirection(x, y)
return utils.math.pointDirection(self.x, self.y, x, y)
end
function Point:getDirectionFromPoint(other)
local x, y = other:getPosition()
self:getDirection(x, y)
end
function Point:getMiddlePoint(x, y, z)
return utils.math.getMiddlePoint3D(self.x, self.y, self.z, x, y, z)
end
function Point:getMiddlePointFromPoint(other)
local x, y, z = other:getPosition()
self:getMiddlePoint(x, y, z)
end
return Point