Rotation is the circular movement of an object around a specific axis.
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votes
1answer
40 views
Why won't character stay at the x-axis rotation I set In the inspector?
Here is a snippet of my Update function, which contains everything regarding my rotations for the character:
// Higher the Z float, the LESS of a rotation when moving
Vector3 v3 = new Vector3 (Input....
1
vote
1answer
74 views
How to orbit an object around another object in an oval path in Unity?
I would like to create kind of planetary orbit structure for my game. I was used transform.RotateAround(Vector3.zero, Vector3.forward, RotationAngle * Time.deltaTime); and it rotates in a circular ...
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votes
0answers
17 views
How to rotate a gizmo cube between two waypoints?
I have been struggling with this for a while, and I can't find a solution on the internet.
I am making a waypoint system with the Unity editor tools with Gizmos. Cars, boats, people will follow a ...
1
vote
1answer
47 views
Clamp camera view angles relative to moving object
I have a camera attached to an entity that moves in a circular pattern around a fixed center position. I am attempting to clamp the rotation of the camera such that it can only look inward toward the ...
0
votes
1answer
27 views
Understanding SpriteBatch.Draw overload XNA
I'm talking about the
public void Draw (Texture2D texture, Vector2 position, Nullable sourceRectangle, Color color, float rotation, Vector2 origin, float scale, SpriteEffects effects, float layerDepth)...
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votes
1answer
37 views
Using Quaternions to rotate a player towards a point
I am attempting to solve a problem involving Quaternions and 3D rotation.
I am using a games engine (Torque 3D) for a project that I am developing. I have modified the gravity system so that the ...
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votes
1answer
67 views
How to Replace two object by rotating in center
I created Find Rock game but I have problem In replacing two object by rotating in center and when rotating finish stop rotating how can I do this?
using UnityEngine;
using System.Collections;
...
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votes
1answer
26 views
Unity's animation system is flipping out. Rotates only the long way around
I really dont know what is going on or how to even explain the problem so I made a gif. Its not a really well made gif so please bare with it.
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votes
2answers
38 views
Rotate character 180 degrees determine direction
In my game it should be possible to rotate the character 180 degrees. I always want the character to rotate clockwise.
If the character is rotated 0 degrees and I press the rotate button, the ...
4
votes
1answer
72 views
How to make one 3D object face another?
I'm writing a simple 3D engine myself and I cannot figure out how to make one object face another. The problem begins with identifying which direction the target object is in relation to the second. ...
-1
votes
0answers
29 views
Which is better between animaion and Script for rotation
To Rotate a particular object in unity, which way is better? Rotating it by animation or by applying rotation from script.
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vote
1answer
59 views
Unity Rotation - Object is rotating on Z, but should be rotating on X
I've been working on a project where I have a cube. When swiped left, the cube will rotate 90 degrees the left, and then when swiped right, the cube will rotate 90 degrees to the right. I have this ...
1
vote
0answers
40 views
Fixing wave-like movements when rotating an object using mouse input in Unity
I have encountered a rather odd issue with my program.
The setup:
In my scene, I have a GameObject which I have set as my player/character for this game. The player/character has a child GameObject, ...
1
vote
2answers
47 views
Rotate directly towards a target at a constant speed
I've written a program (see on JS Fiddle) that rotates my player towards the mouse cursor at a constant speed. I've computed the angle to the point using the Math.atan2 function, but when incrementing ...
1
vote
0answers
49 views
Moving along the surface of a mesh?
I'm trying to replicate the movement in this game: https://www.youtube.com/watch?v=OcvD8BXars8
The players ship along with all other game elements move along the surface of a mesh.
I've tried ...
0
votes
0answers
9 views
Cocos2d How to get Smooth rotation of sprite when using Sprite->setRotation()
i have simple round circle joystick when i move the thomp on the circle joystick it moves simple sprite
so when i get for example 40 Degress in the joystick i set the sprite setRotation(40)
all this ...
1
vote
2answers
26 views
What is a good practice for deciding when to use transforms instead of applying force?
I was making several games. I don't understand when I should use addTorque instead of rotate.
AddForce instead of position
The latest game was a pinball game. I wasn't sure the best way to active ...
1
vote
1answer
63 views
Check collision between two rectangles - libGDX
I'm making a game in which the objective is to collect the maximum amount of balls(Rectangle) to get the highest score. The balls spawn randomly from the middle of every side of your smartphone, and ...
2
votes
1answer
73 views
How to correct this issue with a top-down aiming angle in Unity - 2D?
I'm trying to build my first project and I'd like some input for a math correction. The game is a top down 2D shooter, a bit like the iconic "chaos engine" from SNES.
The issue is that either the ...
0
votes
0answers
13 views
camera rotation animation problem
I would like to create a 3d person rotation where the camera rotates to the character rotation(follow camera which orbits around the character). It might be possible that the character rotation ...
0
votes
0answers
34 views
Position camera in opengl
I have a camera with a 3D vector that represent the position and a quaternion that represent the camera orientation. I'm trying to rotate and orientate the camera correctly, but I can't. I know that ...
0
votes
1answer
50 views
How to calculate a simple swivel rotation? (no physics engine)
Assuming i know the geometry and the rotation angle of a cart, how can i calculate the rotation angle of a swiveling wheel?
To get the rotation angle of the wheel, i tried by calculating the ...
0
votes
0answers
21 views
Rotating a UI arrow according to the change in camera's rotation
I have been trying different alternatives to do what is a very basic thing but I couldn't have any success.
What I want to do is this. I have a 2D UI sprite at the screen, formed by 2 triangles, with ...
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votes
0answers
26 views
Rotate camera with quaternions
I have a camera with a 3D vector, the position, and a quaternion, the orientation.
I'm able to move the camera in a realistic way (respect the local axis) but I can't do the same with the rotation. ...
2
votes
1answer
44 views
2d vector flips during rotation
I have a 2d game (C++ and SDL) and I want the player object rotate to follow the mouse. The player object and the mouse location are both stored in 2d vectors.
In order to have the player's rotation ...
0
votes
0answers
53 views
How do I rotate enemies on NavMesh in Unity?
I have a NavMesh Script for my enemy but it just looks into my direction and if I run around him he is still looking in one direction and not turning and facing me, how can I rotate him in the script ...
1
vote
4answers
116 views
How can I min-max quaternions?
What I'm doing
In my engine, I'm trying to implement a camera that will follow a target object, such as a player.
I wanted to avoid just simply using the inverse of the target's transformation, ...
0
votes
1answer
86 views
Problem with Quaternions and Unity's Euler Angle Convention
So I want to rotate an UI-Element according to my magneticHeading, I just want to apply the magnetic heading to the z rotation in EulerAngles. So I tried to do so, which brought me to some weird ...
1
vote
0answers
46 views
Rotation of a point around axis using quaternions
I have a simple processing program to rotate a point around arbitrary
axis but it stops after a bit. I'm trying to get full rotation of the
point around the axis.
import org.apache.commons.math3....
1
vote
0answers
170 views
OpenGL ArcBall Camera
I'm currently working on a OpenGl Project and I have alot of difficulty understanding how arcball camera work. From what I have read online, all I have to do is to rotate a camera around a target and ...
-1
votes
1answer
38 views
How do I allow my player object to continue rotating once it's met a clamped boundary?
I have a spaceship I'm moving around on the screen, when the player moves the ship, it rotates on its axis. However, when the ship meets a clamped boundary(on the x-axis) it abruptly stops. How do I ...
0
votes
2answers
108 views
Unity3D - Smooth rotation for seek steering behavior
I am trying to implement Reynolds' seek steering behaviour, but I am having problems on the rotation part. This is what I have:
void FixedUpdate()
{
// get position of current waypoint
...
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votes
2answers
47 views
How to create a linear plateform between two points?
I have a set of 2D coordinates. Their positions are regular on the X axis, but unpredictable on the Y axis:
I would like to create slim platform between each point in order tu use it as ground for ...
0
votes
0answers
49 views
3d rotation of a cube using DirectX
I can't solve an apparently simple problem: i have a cube, similar to the one in the following picture
I've tried to write a small demo where i can rotate the cube by dragging the mouse, but i can'...
0
votes
1answer
90 views
Extract a rotation matrix given a camera direction (vector) and a up vector for the camera?
I am having some issues constructing a rotation matrix from a camera direction vector.
The Up vector is computed from the camera direction as such:
up = cross(cross(direc,(0,1,0)),direc)
How do i ...
1
vote
1answer
45 views
How to compute a transformation matrix that describes each position and rotation on a sphere?
I am having an issue constructing my transformation matrices, for this sphere problem.
I know the 3d coordinate of the center, and the radius of, the sphere.
Since I know the radius and center ...
1
vote
1answer
52 views
Smoothing a rotation vector
I am currently using OpenCV to track the face of a person.
With this I extract the feature points and calculate the objects heads pose by applying the "solvePnP" function.
This function gives me a ...
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votes
0answers
9 views
Unity 3d Js head bone rotations
There is another version of Head Look script (link here, and code below)
https://xenoaisam.com/2015/04/28/unity3d-eye-focus-and-head-look/
This is a simpler open source code that works better with ...
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votes
0answers
41 views
Camera movement on a sphere, and how to look while doing it
I am trying to make some kind of pointerlocked walking simulator that involves movement of the camera on the inside of a sphere. I've looked at Walking on a sphere, but that solution fights what I'm ...
1
vote
1answer
26 views
Wrong pivot point of parent / wrong scale of children
I'm trying to make two objects, in is an intact glass, the other one is the glass but shattered.
So for the shattered glass, in Maya I make a Plane, cut it with the multi-cut tool, extrude the faces, ...
0
votes
2answers
40 views
Roatating a Game Object downward
In my game I have a rocket which is traveling horizontally across the screen.
What I am trying to do is when the player runs out of fuel, the rockets engine stops (already coded) and then the rocket ...
0
votes
1answer
77 views
Libgdx Sprite rotation around specific point
I made complex dynamic body that rotates around other body that is static. It works perfectly, however I got messed up with sprite position on that body.
Here's what I have now
and here's what I ...
1
vote
1answer
86 views
Rotating A model in 3D so it matches its direction of movement
So I have a model of a spear and when it gets thrown I want to set the orientation of the spear to its direction. ( I also want to use this for other things like bullets pointing in the direction ...
0
votes
0answers
40 views
How to spin a 2D quad in place using only matrices?
In short, I have a textured 2D quad (a sprite). I would like to rotate/spin it about the z-axis (coming out of the screen) using nothing but matrices.
If I do the following to a transform with scale ...
0
votes
1answer
35 views
Calculating a matrix to have the model follow terrain
So I've been messing around with 3D graphics in Java (using lwjgl), and I've hit a bit of a roadblock. I have a heightmap and a cube, and I want to find a way to have the cube rotate to follow the ...
0
votes
1answer
63 views
Rotate a UI Image exactly 360 degrees over the course of 1 second?
I have a UI Image that I want the user to click and have it rotate 360 degrees once on the z axis. I can get it to rotate through a coroutine but I'm having trouble making it stop once it is started.
...
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votes
0answers
34 views
How to rotate with quaternions
I need to simply rotate around an axis, but because unity uses quaternions for calculating i have issues with converting into euler angles.
When i ask for rotation of an object in euler angles it ...
0
votes
1answer
78 views
In Game Maker Studio, why does the image rotation have to be performed every step?
I'm a software developer who's trying to get into game development casually on the side. I picked up Game Maker Studio a while ago on a Steam Sale, and I'm finally getting into using it, especially ...
0
votes
2answers
96 views
Rotating hitboxes in pygame?
I'm using pygame.rect.colliderect() to check hitbox collision between sprites in my game, but now that i'm rotating the sprites, I'm realizing I can't do this because there's no way to rotate a pygame ...
0
votes
0answers
60 views
How can I find the rotation of a hinge joint?
I'm wondering if there is a way to get the rotation of a hinge joint. Not the actual transform.rotation/localRotation/Rotate etc. but like the rotation of the hinge joint component. For example what I ...
