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I am trying to rotate a 3D model in both forward (counter-clockwise) and reverse (clockwise) rotation directions in orthographic mode. glRotatef() automatically executes a forward rotation but I cannot get a reverse rotation. I have tried the following...
Started by RexOnRoids on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at stackoverflow):
Instead, you negated the rotation....
Or if you left the rotation axis alone and negated the angle, you would also rotate the other way.
The angle at -1.0 and inverted the rotation axis, you would be rotating the other way.
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What are the best algorithms (and explanations) for representing and rotating the pieces of a tetris game? I always find the piece rotation and representation schemes confusing.
Most tetris games seem to use a naive "remake the array of blocks" at each...
Answer Snippets (Read the full thread at stackoverflow):
If a block of a piece matrix:
[ 0 1 ] [ -1 0... .
Chose a centerpoint and rotate pi/2.
But there are rotation algorithms.
4 for I-blocks, 2 for O time.
Me is the maximum extent of the block, i.e.
For counter-clockwise rotation.
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Non counter rotating twin i/o's? It was stated on another thread here-
"Not ALL twin I/O's turn opposite to each other.... as I said a great many are set up with two identical alpha's both turning right. In fact most of the twins I've been on are not ...
Started by NSBCraig on
, 20 posts
by 12 people.
Answer Snippets (Read the full thread at iboats):
counter rotating twin i/o's? Umm, aren't the drives geared for counter rotation? Re: Non counter Seville Umm, aren't the drives geared for counter rotation? I was pretty sure that's how it worked twin ....
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Hi
I think my system is using logrotate for rotating logs including httpd logs
The "current" files is logged here /var/log/httpd/ but I only see the last 5 days(I think)
But how can I find where previous log file exists. I thought they was created at ...
Started by bob on
, 4 posts
by 4 people.
Answer Snippets (Read the full thread at serverfault):
This is counter intuitive as then files are named "wrong", but if your script is like mine was and has.
I ended up writing custom rotation scripts that ran daily so that we could keep.
Older ones are gone.
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Hi,
I'm planning to start a DC-6 build and I have a question on using reverese rotating propellers. I did a search on google and here but just couldn't find an answer through the numerous threads that popped up. So, do all four motors need to have reverse...
Started by WAGliderGuy on
, 15 posts
by 8 people.
Answer Snippets (Read the full thread at rcgroups):
Having one of each next to each other might reduce (as viewed from the front) ....
If the props clockwise on one side and 2 counter-clock on the other.
Of counter rotation has to do with control of the aircraft with one engine out.
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I'm going to buy a motor for a project I'm doing. If the specs state the rotation is CW is that looking from the rear towards the shaft or looking at the shaft towards the rear of the motor?
Started by The_Blacksmith on
, 12 posts
by 10 people.
Answer Snippets (Read the full thread at weldingweb):
Face the shaft and the....
Rotation is for the shaft end.
Good to be swapped around to change the rotation from whatever it is.
The opposite you can turn the machine in the opposite rotation regardless of the motors rotation .
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If the building off windmills does slow the rotation, will this result in an increase in temperature and therefore discount any advantage they might have with regards to any Co2 they take out of the equation.
Answer Snippets (Read the full thread at sciencefile):
I don't know why you think that windmills would slow the rotation! The Earth's total angular that windmills would slow the rotation! The Earth's total angular momentum cannot be changed by them because windmills, and change it into electricity....
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When using Google Chrome I've observed that the icon that holds the favicon.ico shows a rolling circle before a page is fully loaded.
It appears as if the circle is rolling counter-clockwise when the browser is in the following states:
Resolving hostname...
Started by knorv on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at superuser):
I believe the speed of rotation also relates.
When the site is found and is being loaded, Chrome will show this blue line, and clockwise means that the page is being downloaded .
Slowly, counter-clockwise.
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I'm looking at re-powering my 2000 Twin Vee 22' center console. It's currently powered by twin 2000 90 hp Johnson two strokes, non-counter-rotating, with 20" shafts. I'm hoping to re-power with counter-rotating 115 hp Yamaha four strokes. The reason I...
Started by Southern Salt on
, 10 posts
by 6 people.
Answer Snippets (Read the full thread at cruisersforum):
I have it then is not an issue,Mine....
I am having a hard time finding information about counter rotating motor on cats.
Reversing the rotation on Johnson and Evinrude two-stroke motors by changing timing to the other on this issue.
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Reverse rotation Ford 351w Oil pump I have a RH, {yes a reverse rotation, clockwise from back of flywheel} 351w in my 74 Mastercraft Ski boat. Can i use a standard oil pump or is there a reverse rotation oil pump?
Started by 74mastercraft on
, 7 posts
by 4 people.
Answer Snippets (Read the full thread at iboats):
They....
That is what these forums are for.
I know that in a Chevy, Only.
When the 351 Windsor is altered to counter rotation a set of timing gearsRe: Reverse rotation Ford 351w Oil pump Ayuh, Welcome Aboard,....
Use the same oil pump.
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