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Type class updates.

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This commit is contained in:
jussi
2024-11-20 17:10:42 +02:00
parent cddfc09ccc
commit cf2c2eb05b
8 changed files with 245 additions and 33 deletions
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74
examples/resources/lib/matrix.lua
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@@ -3,31 +3,15 @@ if table.unpack == nil then
table.unpack = unpack
end
local function copyMatrix( orig )
local copy = RL.MatrixIdentity()
if orig ~= nil then
for y = 1, 4 do
for x = 1, 4 do
if orig[x][y] ~= nil then
copy[x][y] = orig[x][y]
end
end
end
end
return copy
end
local Matrix = {}
local metatable = {
__index = Matrix,
__tostring = function( m )
return "{\n"
.." {"..m.m[1][1]..", "..m.m[1][2]..", "..m.m[1][3]..", "..m.m[1][4].."},\n"
.." {"..m.m[2][1]..", "..m.m[2][2]..", "..m.m[2][3]..", "..m.m[2][4].."},\n"
.." {"..m.m[3][1]..", "..m.m[3][2]..", "..m.m[3][3]..", "..m.m[3][4].."},\n"
.." {"..m.m[3][1]..", "..m.m[3][2]..", "..m.m[3][3]..", "..m.m[3][4].."},\n"
.." {"..m[1][1]..", "..m[1][2]..", "..m[1][3]..", "..m[1][4].."},\n"
.." {"..m[2][1]..", "..m[2][2]..", "..m[2][3]..", "..m[2][4].."},\n"
.." {"..m[3][1]..", "..m[3][2]..", "..m[3][3]..", "..m[3][4].."},\n"
.." {"..m[4][1]..", "..m[4][2]..", "..m[4][3]..", "..m[4][4].."},\n"
.."}"
end,
__add = function( m1, m2 )
@@ -44,22 +28,40 @@ local metatable = {
end,
}
function Matrix:copyMatrix( orig )
if orig ~= nil then
for y = 1, 4 do
for x = 1, 4 do
if orig[x][y] ~= nil then
self[x][y] = orig[x][y]
end
end
end
end
end
function Matrix:new( m )
local object = setmetatable( {}, metatable )
object.m = copyMatrix( m )
-- Raylib style transposed matrix.
for x = 1, 4 do
object[x] = {}
for y = 1, 4 do
table.insert( object[x], m[x][y] )
end
end
return object
end
function Matrix:set( m )
self.m = copyMatrix( m )
self:copyMatrix( m )
end
function Matrix:serialize()
local str = { "Matrix:new({" }
for i, row in ipairs( self.m ) do
for i, row in ipairs( self ) do
table.insert( str, "{" )
for c, v in ipairs( row ) do
@@ -79,7 +81,7 @@ function Matrix:serialize()
end
function Matrix:clone()
return Matrix:new( self.m )
return Matrix:new( self )
end
function Matrix:determinant()
@@ -154,4 +156,28 @@ function Matrix:lookAt( eye, target, up )
return Matrix:new( RL.MatrixLookAt( eye, target, up ) )
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, Matrix:new( RL.MatrixIdentity() ) )
end
function Matrix:temp( m )
local object = tempPool[ curTemp ]
curTemp = curTemp < TEMP_COUNT and curTemp + 1 or 1
object:copyMatrix( m )
return object
end
function Matrix:getTempId()
return curTemp
end
return Matrix