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3
votes
0answers
725 views

AlphaToCoverage + Alpha Blending = Artifacts

I'm experiencing a strange problem using OpenGL SampleAlphaToCoverage mode. There are rendering artifacts when using alpha-blending on pixels that have been rendered using alpha-to-coverage - and I ...
1
vote
0answers
22 views

Controllable color blending?

I'm relatively new to color blending in DirectX, and I'm hoping there is a relatively simple answer to this question. I am targeting Direct10.1. What I am trying to achieve is colour blending of two ...
0
votes
0answers
25 views

Linear color workflow with render to texture - Banding in alpha channel?

In OpenGL, I am using GL_SRGB8_ALPHA8 for the internal texture format for my render targets. This eliminated some banding I was seeing in dark opaque areas. However, in the following screenshot, you ...
0
votes
0answers
61 views

Low-poly heightmap

I want to transform a 'normal' heigthmap into something like this: Starting from a normal grayscale heightmap like this: I looked into Voronoi, but I cant find a way of how to tranform the ...
0
votes
0answers
27 views

How to program light effects in Andengine

I'm trying to make some light effects to my game, but for now i failed to do it well, i try put 3 Sprites: bitmap1 = new BitmapTextureAtlas(getTextureManager(), 1400, 1400, TextureOptions.DEFAULT); ...
0
votes
0answers
15 views

Unity: Blending two animations together using blend trees?

I am starting to build the foundations for a skateboard simulator game like skate 3. I want to be able to have multiple animations that can blend together to form tricks. For example when the player ...
0
votes
0answers
30 views

How to screen color blend spritebatch?

batch.setBlendFunction(GL20.GL_SRC_ALPHA, GL20.GL_ONE_MINUS_SRC_ALPHA); batch.setColor(new Color(0xFF0000FF)); batch.draw(...); Expected result: Current result: How can I achieve something ...
0
votes
0answers
8 views

How setBlendingFunction() method works and how it affects to andengine game performance

I'm new at game programming. I'm learning andengine and i've seen in lots of sites the use of setBlendFunction() method of sprites but I'm a bit confused about how it works when used on sprites and if ...
0
votes
0answers
52 views

ETC1 texture opacity

I'm using the cocos2d-x engine and want to support etc1 on android devices for my game. For ETC1 i'm using the mali compression tool, and GLSL. Everything is working, but I can't change the opacity ...
0
votes
0answers
198 views

OpenGL - Make two images blend together

I have 2 images that are .png and they mix together, The problem is that one overwrite the other. I know that the draw order matters, but In that case I should redraw the icons 2 times ( there is a ...
0
votes
0answers
58 views

Unity: Combine two UVs by alpha

I'm currently creating a voxel game like Minecraft. To display the damage of blocks, I want to combine the alpha channel of one part of my texture map with the actual texture (like Minecraft does), ...
0
votes
0answers
123 views

How to put OpenGL in a state for drawing blended, colored, nontextured polys?

Using OpenGL1.1 (sadly) I'm trying to draw a cube, which is colored and alpha blended. It is instead showing up as opaque black. Even without including alpha in the color it still shows up as opaque ...