luau/bench/tests/trig.lua

71 lines
2.1 KiB
Lua

local bench = script and require(script.Parent.bench_support) or require("bench_support")
function test()
function updateTransforms(matrixArray, amount, offset, scale, time)
local i = 0
for x=0,amount-1 do
for y=0,amount-1 do
for z=0,amount-1 do
local tx = offset - x
local ty = offset - y
local tz = offset - z
local rx = 0
local ry = ( math.sin( x / 4 + time ) + math.sin( y / 4 + time ) + math.sin( z / 4 + time ) )
local rz = ry * 2
local ch = math.cos(rx)
local sh = math.sin(rx)
local ca = math.cos(ry)
local sa = math.sin(ry)
local cb = math.cos(rz)
local sb = math.sin(rz)
local m00 = ch * ca
local m01 = sh*sb - ch*sa*cb
local m02 = ch*sa*sb + sh*cb
local m10 = sa
local m11 = ca*cb
local m12 = -ca*sb
local m20 = -sh*ca
local m21 = sh*sa*cb + ch*sb
local m22 = -sh*sa*sb + ch*cb
matrixArray[i * 16 + 1] = m00 * scale
matrixArray[i * 16 + 2] = m01 * scale
matrixArray[i * 16 + 3] = m02 * scale
matrixArray[i * 16 + 4] = 0
matrixArray[i * 16 + 5] = m10 * scale
matrixArray[i * 16 + 6] = m11 * scale
matrixArray[i * 16 + 7] = m12 * scale
matrixArray[i * 16 + 8] = 0
matrixArray[i * 16 + 9] = m20 * scale
matrixArray[i * 16 + 10] = m21 * scale
matrixArray[i * 16 + 11] = m22 * scale
matrixArray[i * 16 + 12] = 0
matrixArray[i * 16 + 13] = tx
matrixArray[i * 16 + 14] = ty
matrixArray[i * 16 + 15] = tz
matrixArray[i * 16 + 16] = 1
i = i + 1
end
end
end
end
local N = 40
local array = table.create(N*N*N*16)
local ts0 = os.clock()
updateTransforms(array, N, -N/2, 0.5, 1/60)
local ts1 = os.clock()
return ts1-ts0
end
bench.runCode(test, "trig")