Tagged Questions
0
votes
1answer
81 views
Rotate image around a specified origin
I'm trying to rotate my Turret.png (small Gunhead with a laser in front) towards the mouses location on the screen. I tried just using my method for rotating projectiles towards the next step on their ...
-1
votes
1answer
69 views
Java moving image to where it is facing
I am trying to make an Asteroids type game.
I searched and tried everything to move an image along its angle (as radiant).
Using my knowledge of trigonometry I made the following calculation:
x += ...
0
votes
2answers
97 views
get the new vertices after rotating in JOGL
I had rotate an object with openGL (JOGL).
Is there a simply way how I can get the new vertices?
1
vote
0answers
64 views
Rotating around a bitmap
I can't figure this out, how do I make my bullets spawn where I want them to? :P
I want them to be shot out infront of my character-sprite(happy). But the rotation is all off and the bullet spawn ...
0
votes
2answers
110 views
Is this Rotation Matrix correct?
I'm having heavly troubles with setting up a View Matrix and a Projection Matrix. It simply doesnt work. So I think my problem is related to my rotationMatrix function. I'm using this tutorial to ...
0
votes
2answers
358 views
How to I rotate a triangle by dragging the mouse in libGDX?
More specifically, I have rotation working in a way I don't like as follows:
//Draw the triangle using this draw method
//batch.draw(texture, x, y, ...
1
vote
3answers
261 views
First Person Shooter vertical mouse aim
I've just started writing a 3D First Person Shooter in Java, and I'm having a bit of trouble with tracking the mouse movements and moving the camera accordingly. I'm implementing typical FPS movement, ...
1
vote
2answers
534 views
Render rotated rectangle inside other rectangle bounds using Libgdx
I have this code to generate a red rectangle inside a grey rectangle:
new Rectangle(grey_rectangle_position_x, Game.SCREEN_HEIGHT/2-Rectangle.height/2,0);
This code makes the following:
Now, I ...
0
votes
0answers
136 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 ...
3
votes
1answer
356 views
Rotating 3d plane to XY plane
I have a triangle in 3d space and would like to create a grid over the triangle, such as in the image below.
The purpose of this is to store information about each block of the grid. In order to ...
2
votes
0answers
90 views
Pitch (X-axis) rotation problem [closed]
Situation:
From a first person perspective (camera position) I want to be able to grab an object and have it fixed to the center center of the screen while looking up-down (pitch) and looking ...
2
votes
0answers
279 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 ...
1
vote
1answer
229 views
Rotating a cube using jBullet collisions
How would one go about rotating/flipping a cube with the physics of jBullet?
Here is my Draw method for my cube object:
public void Draw() {
// center point posX, posY, posZ
float ...
0
votes
1answer
802 views
rotate sprite and shooting bullets from the end of a cannon [duplicate]
Possible Duplicate:
How to Align Gun with Bullets
Hi all i have a problem in my Andengine code,
I need , when I touch the screen, shoot a bullet from the cannon (in the same direction of ...
2
votes
3answers
376 views
OpenGL Get Rotated X and Y of quad
I am developing a game in 2D using LWJGL library.
So far I have a rotating box. I have done basic Rectangle collision, but it doesn't work for rotated rectangles.
Does OpenGL have a function that ...
