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ROBLOX Forum » Game Creation and Development » Scripting Helpers
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Re: Rotating and moving a brick.

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gbs is not online. gbs
Joined: 10 Apr 2008
Total Posts: 16823
29 Oct 2012 06:09 PM
I'm stuck. I've been trying to rotate and move a brick at the same time...

local bin = script.Parent

local binorig = bin.Position

local bin1 = bin.CFrame

for i=0, 9, .1 do
bin.CFrame = bin1+Vector3.new(i/2,0,0)
bin.CFrame = bin.CFrame+Vector3.new(i/2,0,i)
wait()
end

for i = 0, math.pi/2, math.pi/100 do
local binorig1 = bin.Position
local orig = bin.CFrame + Vector3.new(i,0,i*7)
bin.CFrame = orig+Vector3.new(10*math.sin(i), 0, 10*math.cos(i))
bin.CFrame = CFrame.new(binorig1, bin.Position)
wait()
end



Trying to combine the 2 for loops into one, that will rotate and move the brick at the same time.
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gbs is not online. gbs
Joined: 10 Apr 2008
Total Posts: 16823
29 Oct 2012 06:28 PM
I think I could do it if I understood CFrame values better.
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thedeathmaster01 is not online. thedeathmaster01
Joined: 14 Mar 2010
Total Posts: 6331
29 Oct 2012 06:29 PM
Variables are messed up


local bin = script.Parent

for i=0, 9, .1 do
bin.CFrame = bin.CFrame1+Vector3.new(i/2,0,0)
bin.CFrame = bin.CFrame+Vector3.new(i/2,0,i)
wait()
end

for i = 0, math.pi/2, math.pi/100 do
local binorig1 = bin.Position
local orig = bin.CFrame + Vector3.new(i,0,i*7)
bin.CFrame = orig.Position+Vector3.new(10*math.sin(i), 0, 10*math.cos(i))
bin.Position = Vector3.new(bin.Position) --bin.Position, bin.Position?
wait()
end
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thedeathmaster01 is not online. thedeathmaster01
Joined: 14 Mar 2010
Total Posts: 6331
29 Oct 2012 06:30 PM
oops try this

local bin = script.Parent

for i=0, 9, .1 do
bin.CFrame = bin.CFrame1+Vector3.new(i/2,0,0)
bin.CFrame = bin.CFrame+Vector3.new(i/2,0,i)
wait()
end

for i = 0, math.pi/2, math.pi/100 do
local orig = bin.CFrame + CFrame.new(i,0,i*7) --can't mix CFrame and Vector3 values
bin.CFrame = orig.Position+Vector3.new(10*math.sin(i), 0, 10*math.cos(i))
bin.Position = Vector3.new(bin.Position) --bin.Position, bin.Position?
wait()
end

what are you trying to do here?
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gbs is not online. gbs
Joined: 10 Apr 2008
Total Posts: 16823
29 Oct 2012 06:36 PM
You see how the first for loop moves the brick and the second one rotates? I'm trying to get one for loop to do both, so the brick moves and rotates at the same time.
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gbs is not online. gbs
Joined: 10 Apr 2008
Total Posts: 16823
29 Oct 2012 06:55 PM
local bin = script.Parent
local binorig = bin.CFrame

for i=0, 9, .1 do
bin.CFrame = binorig + Vector3.new(i/2,0,i)
wait()
end

This part (I changed a bit) moves the brick from its starting position at a constant rate.

The rest...gets more and more confusing.
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thedeathmaster01 is not online. thedeathmaster01
Joined: 14 Mar 2010
Total Posts: 6331
29 Oct 2012 08:00 PM
Again, you can't compare CFrame with Vector3.
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gbs is not online. gbs
Joined: 10 Apr 2008
Total Posts: 16823
30 Oct 2012 04:52 PM
Now I'm starting to think I need to use Euler Angles...

CFrame.new(x, y, z, R00, R01, R02, R10, R11, R12, R20, R21, R22)

And change that around.
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jjone12 is not online. jjone12
Joined: 21 Jan 2011
Total Posts: 79
30 Oct 2012 06:22 PM
You cant try and use Vector3, and CFrame. Its litterally Impossible, and EXTREEMLY COMPLCATED. Originally yoru variables were messed up throughout the entire thing.
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jjone12 is not online. jjone12
Joined: 21 Jan 2011
Total Posts: 79
30 Oct 2012 06:24 PM
I meant mix. Im sorry. But you are on the right track with EulerAngles, but a lot of work is to be done.
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gbs is not online. gbs
Joined: 10 Apr 2008
Total Posts: 16823
30 Oct 2012 10:07 PM
Fantastic. Now just to figure out the matrix.
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jjone12 is not online. jjone12
Joined: 21 Jan 2011
Total Posts: 79
31 Oct 2012 02:53 PM
Haha
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gbs is not online. gbs
Joined: 10 Apr 2008
Total Posts: 16823
31 Oct 2012 06:29 PM
I think I get the general idea of setting what the axis are that the part rotates on, then setting the amount the rotation is on each axis. The specifics though...
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gbs is not online. gbs
Joined: 10 Apr 2008
Total Posts: 16823
31 Oct 2012 08:55 PM
Progress made: I can now move and rotate the brick at the same time. However, moving and rotating the brick back to it's starting position is...not working.

The first for loop moves and rotates for awhile; the second should take the values at the end of the fist loop and reverse the movement. I'm not sure why, but m20 is not enough to save the rotation of the brick for use in the second loop (basically, large jump because rotation is set to something different).

You may want to see the script in action in game to see what I'm talking about.



local bin = script.Parent
local c = bin.CFrame.x
local d = bin.CFrame.y
local e = bin.CFrame.z

for i=0.0000001, .9, .001 do
bin.CFrame = CFrame.new(c+i*10, d, e+i*6.5, 1, -0, -0, -0, 1, -0, -i, 0, 1)
wait()
end

local a = bin.CFrame.x
local b = bin.CFrame.z
local sx, sy, sz, m00, m01, m02, m10, m11, m12, m20, m21, m22 = bin.CFrame:components()

for i=0.0000001, .9, .001 do
bin.CFrame = CFrame.new(a-i*10, d, b-i*6.5, 1, -0, m02-i, -0, 1, -0, m20+i, 0, 1)
wait()
end
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