1
vote
3answers
119 views

Can I use a translate function to implement a viewport?

I read this great question and its accompanying great answer about rendering a viewport in a top down 2D game: As for actually drawing the objects the camera can "see", you now draw all objects ...
1
vote
1answer
886 views

Implementing a camera on HTML5 canvas?

I am trying to work out the best way of implementing a camera in my simple 2d game. The way it is structured at the moment is my game objects all have draw functions, which are passed a canvas ...
2
votes
1answer
146 views

Difference between rotation methods?

My question is in about rotate methods in android.graphics.Camera. In Docs, I saw these comments: public void rotateX (float deg) Since: API Level 1 Applies a rotation transform around the X ...
1
vote
0answers
265 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
2answers
392 views

Frustum Culling/Only rendering what's viewed by the Camera in HTML5 Canvas?

I coded up a simple 2D Camera for my HTML5 Canvas-Based Game Engine but I noticed the performance wasn't very good. So a lot of people suggested only rendering things that are shown by the camera but ...