1 files changed, 237 insertions, 0 deletions
diff --git a/examples/resources/lib/bounding_box.lua b/examples/resources/lib/bounding_box.lua
new file mode 100644
index 0000000..3cf6787
--- /dev/null
+++ b/examples/resources/lib/bounding_box.lua
@@ -0,0 +1,237 @@
+-- For luaJit compatibility.
+if table.unpack == nil then
+	table.unpack = unpack
+end
+
+local Vector3 = 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,
+	-- __add = function( v1, v2 )
+	-- 	return Vector2:new( v1.x + v2.x, v1.y + v2.y )
+	-- end,
+	-- __sub = function( v1, v2 )
+	-- 	return Vector2:new( v1.x - v2.x, v1.y - v2.y )
+	-- end,
+	-- __mul = function( v1, v2 )
+	-- 	return Vector2:new( v1.x * v2.x, v1.y * v2.y )
+	-- end,
+	-- __div = function( v1, v2 )
+	-- 	return Vector2:new( v1.x / v2.x, v1.y / v2.y )
+	-- end,
+	-- __mod = function( v, value )
+	-- 	return Vector2:new( math.fmod( v.x, value ), math.fmod( v.y, value ) )
+	-- end,
+	-- __pow = function( v, value )
+	-- 	return Vector2:new( v.x ^ value, v.y ^ value )
+	-- end,
+	-- __unm = function( v )
+	-- 	return Vector2:new( -v.x, -v.y )
+	-- end,
+	__eq = function( b1, b2 )
+		return b1.min == b2.min and b1.max == b2.max
+	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
+
+-- Assumes max is used as size.
+function BoundingBox:checkCollisionBox( b )
+	return RL.CheckCollisionBoxes( self:maxToPos(), b:maxToPos() )
+end
+
+-- Assumes max is used as size.
+function BoundingBox:checkCollisionSphere( center, radius )
+	return RL.CheckCollisionBoxSphere( self:maxToPos(), center, radius )
+end
+
+-- Assumes max is used as size.
+function BoundingBox:checkCollisionPoint( point )
+	local max = self.min + self.max
+
+	return self.min.x <= point.x
+	and self.min.y <= point.y
+	and self.min.z <= point.z
+	and point.x <= max.x
+	and point.y <= max.y
+	and point.z <= max.z
+end
+
+-- Assumes max is used as size.
+function BoundingBox:getRayCollision( ray )
+	return RL.GetRayCollisionBox( ray, self:maxToPos() )
+end
+
+-- Max to position from size.
+function BoundingBox:maxToPos()
+	return BoundingBox:newV( self.min, self.min + self.max )
+end
+
+-- Max to size from position.
+function BoundingBox:maxToSize()
+	return BoundingBox:newV( self.min, self.max - self.min )
+end
+
+-- Temp pre generated objects to avoid "slow" table generation.
+
+local TEMP_COUNT = 100
+local tempPool = {}
+local curTemp = 1
+
+for _ = 1, TEMP_COUNT do
+	table.insert( tempPool, BoundingBox:new( { 0, 0, 0 }, { 0, 0, 0 } ) )
+end
+
+--- Expects format { ... }, { ... }
+function BoundingBox:temp( min, max )
+	local object = tempPool[ curTemp ]
+
+	curTemp = curTemp < TEMP_COUNT and curTemp + 1 or 1
+
+	object.min = Vector3:tempT( min )
+	object.max = Vector3:tempT( max )
+
+	return object
+end
+
+--- Expects format { { ... }, { ... } }
+function BoundingBox:tempT( t )
+	local object = tempPool[ curTemp ]
+
+	curTemp = curTemp < TEMP_COUNT and curTemp + 1 or 1
+
+	object.min = Vector3:tempT( t[1] )
+	object.max = Vector3:tempT( t[2] )
+
+	return object
+end
+
+--- Expects format { Vector3, Vector3 }
+function BoundingBox:tempV( min, max )
+	local object = tempPool[ curTemp ]
+
+	curTemp = curTemp < TEMP_COUNT and curTemp + 1 or 1
+
+	object.min = Vector3:tempV( min )
+	object.max = Vector3:tempV( max )
+
+	return object
+end
+
+--- Expects format BoundingBox
+function BoundingBox:tempB( b )
+	local object = tempPool[ curTemp ]
+
+	curTemp = curTemp < TEMP_COUNT and curTemp + 1 or 1
+
+	object.min = Vector3:tempV( b.min )
+	object.max = Vector3:tempV( b.max )
+
+	return object
+end
+
+function BoundingBox:getTempId()
+	return curTemp
+end
+
+return BoundingBox