1
vote
2answers
271 views

What matrix operations do I perform to translate then rotate then translate then rotate?

In an android game I want to draw a running leg. To output the thigh I do something like: // legCX,legCY is the location on screen about which the leg rotates. Matrix m = new Matrix(); ...
0
votes
1answer
180 views

All of my matrix functions not working? OpenGL ES 2.0

I am trying to make a projection matrix scaling the screen and making a coordination system. For some reason I don't think any of my matrix calling is working... the 3 function I am using are ...
0
votes
0answers
235 views

Transformation Matrix in Android Canvas?

This question is following up my previous question that I asked it in stackoverflow: Hide a face of a 3D shape behind another,Android canvas? I have a canvas and I have to get the normal vector of a ...
1
vote
0answers
168 views

Drawing two orthogonal strings in 3d space in Android Canvas?

I want to draw two strings in canvas. The first string must be rotated around the Y axis, for example 45 degrees. The second string must start at the end of the first string and also it must be ...
1
vote
1answer
1k views

2D Quads : Translation with OpenGL ES 2.0 on Android [closed]

I have a simple 2D engine that renders 2D textured quads, and right now I can scale the quad or rotate it, but when I try to translate it I have a strange distortion (the quad is squashed in the half ...