Tagged Questions
2
votes
0answers
89 views
2D water shader similar to Limbo's effect
I'm wondering how I would go about creating a 2D water shader that is seen in this video http://www.youtube.com/watch?v=phChFfi4GOs
The water effect that limbo uses is pretty awesome. I'm not so ...
0
votes
0answers
150 views
Optimal OpenGL 2D Sprite Batching (Best Practice)
I am working on simple 2D engine using OpenGL (3.3+) for rendering and was wondering what the optimal method of sprite batching would be. I plan to put all sprites into one (or fewer) texture atlases. ...
2
votes
1answer
83 views
Proper way to maintain Vertex Buffer Objects
I've started learning WebGL, currently I'm building a 2D lighting system, but there is some confusion going on inside my head.
How the lighting works is based on this tutorial ...
1
vote
0answers
73 views
How do you display non-cutout transparent 2D textures with a depth buffer? (OpenGL)
I've been able to get my 2D renderer to display transparent cutout textures by testing the alpha of a fragment and discarding if it is less than 1 (or any fraction really). The problem is I want to ...
2
votes
2answers
271 views
Does my 2D OpenGL renderer need optimized?
I've started a game engine for learning purposes. I have successfully gotten an opengl renderer working and I can draw textures of varying sizes to the screen. The way I have done this is by creating ...
0
votes
2answers
303 views
Drawing Sprites in Android OpenGL efficiently?
I want to basically give myself some sprite drawing functions (making use of openGL) such as;
draw(Texture,x,y)
I want to do this using OpenGL-ES 2.0 on Android. Since the textures can be varying ...
0
votes
1answer
84 views
How to scale a texture in OpenGL/LWJGL?
How would I take a texture and render it to a specific size? The texture I'm rendering has a 1:1 ratio so I want to be able to render the whole image like if the window is wide then put black outlines ...
2
votes
1answer
173 views
How to do perspective projection “parallax” but without changing the scale or offset of objects?
Hello everyone I have this problem that I have tried everything I could think of. The problem: I am making a 2D game with parallax effect but I am using 3d space so am not simulating the parallax but ...
2
votes
1answer
234 views
Batching dynamic sprites in OpenGL
I'm trying to wrap my head around how batching is done in a 2D sprite-based game. My understanding is I'd get the vertices that represent each sprite I want to draw and stuff them all into a single ...
8
votes
1answer
421 views
Rendering 8 bit graphics
I have a strong programming background just not from game development. I only made some pong and snake in high school and I did some OpenGL in college.
I want to make my own game engine. Nothing ...
0
votes
1answer
82 views
enemy behavior with boundary to change direction
I'm doing space shooter kind of game, the logic is to reflect the enemy if it hits the boundary. With my logic, sometimes enemy behaves like flickering instead of changing the velocity. It's like ...
1
vote
2answers
418 views
Rotating 2D Object
Well I am trying to learn openGL and want to make a triangle move one unit (0.1) everytime I press one of the keyboard arrows. However i want the triangle to turn first pointing the direction where i ...
2
votes
1answer
197 views
Rendering multiple squares fast?
so I'm doing my first steps with openGL development on android and I'm kinda stuck at some serious performance issues...
What I'm trying to do is render a whole grid of single colored squares on to ...
10
votes
2answers
532 views
What should I worry about when changing OpenGL origin to upper left of screen?
For self education, I'm writing a 2D platformer engine in C++ using SDL / OpenGL. I initially began with pure SDL using the tutorials on sdltutorials.com and lazyfoo.net, but I'm now using SDL to ...
3
votes
2answers
861 views
OpenGL Lighting [duplicate]
I have a simple day and night cycle by at day disabling OpenGL lighting and at night enabling openGL Lighting. When I enable everything appears darker. My question is How would I make it that at a ...
