Tagged Questions
0
votes
3answers
91 views
Keeping raycast on the same level
I want my raycast to end at certain height(red line). But as the game is 3D and the camera rotates I can't use a fixed magnitude. What I thought was a stroke of genius, I figured I'd project the ...
2
votes
2answers
124 views
Relative cam movement and momentum on arbitrary surface
I have been working on a game for quite long, think sonic classic physics in 3D or tony hawk psx, with unity3D. However I'm stuck at the most fundamental aspect of movement.
The requirement is that I ...
4
votes
1answer
302 views
Why game engines usually don't offer a vector3.rotate method? [closed]
Game engines like Three.js, Ogre3d and Unity3d often don't provide a default rotate method on their vector class. You usually have to do something like:
rotated = vector.applyQuaternion(
new ...
3
votes
3answers
230 views
Getting correct angles between Vector3s
I'm working on a project where you can draw lines between points. You select one point and drag the mouse onto another point and a line is drawn between them.
The line itself is a 3d object which is ...
2
votes
1answer
217 views
Shooting Bullets Around a Sphere
I currently have a ship that can orbit around a sphere freely controlled by a joystick. There is a separate joystick that controls the gun and starts shooting when it is touched.
Right now the ...
0
votes
3answers
296 views
Lerp vs Vector math: one better than the other?
In Unity3D (all versions, I believe), there is a static function for the Vector3D class called "lerp". It interpolates a point between two points a point, based off a provided percentage related to ...
1
vote
1answer
200 views
How to get a point to the left/right of a vector
I have a position vector of a point in space and a quaternion for it's rotation. What i'm trying to calculate is a point too the left and a point to the right.
I have the position and ...
1
vote
1answer
490 views
Unity: parallel vectors and cross product, how to compare vectors
I read this post explaining a method to understand if the angle between 2 given vectors and the normal to the plane described by them, is clockwise or anticlockwise:
public static AngleDir ...
0
votes
3answers
239 views
Parent-Child position mathematics
What is the math theory when a child object moves with the parent transform?
I am doing an angle indicator which shows a field of view, which works fantastic when the angle is static. But I cannot ...
2
votes
2answers
538 views
Smooth vector based jump
I started working on Wolfire's mathematics tutorials. I got the jumping working well using a step by step system, where you press a button and the cube moves to the next point on the jumping curve.
...
2
votes
1answer
200 views
Moving Unit Parallel to Mouse in TBS Game
I'm writing a basic Turn-Based Strategy game using Unity3D. It's not grid-based. I've come to the point where I'm coding unit movement, and I'm having trouble figuring out how far to move the units ...
4
votes
1answer
352 views
How do I determine the position of one vector relative to another?
I'm making a game for Kinect in Unity which tracks hand movements. I have the player's root position and the position of their fist stored as 3-dimensional vectors (Vector3 in Unity), but they're both ...
2
votes
1answer
2k views
2d tank movement and turret solution
I'm making a simple top-down tank game on the ipad where the user controls the movement of the tank with the left "joystick" and the rotation of the turret with the right one. I've spent several hours ...
2
votes
2answers
1k views
Weird rotation problem
I'm creating a simple tank game. No matter what I do, the turret keeps facing the target with it's side. I just can't figure out how to turn it 90 degrees in Y once so it faces it correctly. I've ...
