The circular movement of an object around a specific axis.

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3answers
203 views

XNA SpriteBatch.Draw with rotation, scaling and origin?

I use a 1x1 pixel 2d texture as source for SpriteBatch.Draw. The texture is scaled and rotated around an origin. The left image is only scaling. The right one scaling + rotation around the origin at ...
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votes
1answer
47 views

XNA - 2D Rotation of an object to a selected direction

I'm trying to figure out the best way of rotating an object towards the directional input of the user. I'm attempting to mimic making turns on ice skates. For instance, if the player is moving right ...
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votes
1answer
69 views

Sprite not rotating around its centre after Scaling at its centre

If I scale a sprite at its centre, then try to rotate it around its centre as well, the rotation does not occur around its centre. If you need to rotate, for example a scaled ball,the way its working ...
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votes
1answer
121 views

How do I apply 2 rotations about different points to a single primitive using OpenGL

I'm working on a 2D top-down shooter game that has a rotation feature like Realm Of The Mad God such that if you press e the camera rotates around the character in a clockwise direction and q rotates ...
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1answer
112 views

Camera lookAt target changes when rotating parent node

have the following issue.I have a camera with lookAt method which works fine.I have a parent node to which I parent the camera.If I rotate the parent node while keeping the camera lookAt the target , ...
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votes
1answer
117 views

is object facing another object or facing it in opposite direction?

In 2d, in degrees, negative degrees possible. What I want is to rotate the player to face the same direction as the door before opening it, but when I'll do the same again now from the opposite side, ...
2
votes
0answers
70 views

Libgdx sprite rotation (image quality)

This one is probably really simple but I didn't find a solution. I'm trying to create a widget (speedometer) with libgdx. For the arrows I'm using the setRotation() function. But when the image is ...
2
votes
0answers
174 views

Rotation of viewplatform in Java3D

I have just started with Java3D programming. I thought I had built up some basic intuition about how the scene graph works, but something that should work, does not work. I made a simple program for ...
2
votes
0answers
309 views

Programmatically determine UVs by rotating a plane along X axis

I'm having a math brainfart while trying to solve what might be a simple problem. I've got a plane in 3d space (it's actually the face of a 10-sided die): Coordinates [x,y,z]: Point_top = [0,0,1] ...
1
vote
0answers
34 views

Move parent according to child axis in Unity?

Can I ask my parent to move according to the child axis? This means if I turn right, then right again, the parent has to be at 180° from its original position, and not only at 90° (because "Right" ...
1
vote
0answers
38 views

How to set object's / node's absolute rotation correctly?

Usually when I want to rotate an object/node in my Ogre scene I call the node's rotate() method. That rotates the node locally relative to it's current rotation. So for example, when I start with 0 ...
1
vote
0answers
169 views

Camera not staying behind model while moving in circle

I have a camera behind a model (3rd Person) and I'm having problems KEEPING it behind the model. When I first start my game, you see the back of the model. If the model moves forward, backward or ...
1
vote
0answers
168 views

Getting and Setting Rotation in XNA around the Center of my Model with XNA

Alright, so I'm currently debating how I want to do this. Basically this is what I'm trying to accomplish. I've created a system to allow me to make my environment a little bit easier. I'm ...
1
vote
0answers
540 views

Rotation deforming mesh (Opengl ES 2.0)

I'm trying to render a rotating cube on Opengl ES 2.0, using some math classes I wrote (based on a lot of online and offline info) for quaternions, matrixes and the like. As far as I know all the math ...
1
vote
0answers
498 views

Remove rotation on bones in 3DS Max 2009

I was given a model by an artist and it was boned and skinned for me. The .max file that he provided also included an animation to show what he would be able to do. (A basic running animation.) ...
0
votes
0answers
46 views

Proper matrix rotation and storing rotation values

I have GameObject's transform component(position+rotation) and shape mesh(array of vertices). On each game tick I update coordinates of vertices relatively to game object's rotation. And my current ...
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votes
0answers
38 views

save bones position after rotation un xna

i'm developping a game for solving a rubik's cube in xna framework c# i want to know how to save bones positions after rotating them i'm calling this method to draw bone witch construct the ...
0
votes
0answers
114 views

Fling and Spin an Object with Touch

For making a bottle to spin, I focused first on the touch dragging via input processor interface. It's a bit unresponsive since when I rotate clockwise or counter-clockwise as long as my finger ...
0
votes
0answers
543 views

Box2d : Sprite display not fit with body when rotated

I have recently achieved to render box2d Objects, and texture with sprites at where the box2d objects exists. But now I am facing another problem. When I rotate the Box2D object, the sprite gets ...
0
votes
0answers
341 views

Problem with rotation in Box2D

I have my sprites and my bodies, and my problem is the following: I rotate a sprite that doesn't have a body, but it has a projectile as a child, and that projectile has a body attached to it, and ...