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1answer
182 views

XNA changing color alpha

I know I can take a color and multiply it by a float to reduce its alpha like that: Color color = Color.Green * 0.15f; But how do I return the color's alpha to it's original value? I tried doing ...
2
votes
0answers
26 views

Render on texture with alpha 0 for the background colour

Sorry if the question is stupid but I am very new to opengl. I render on a target a scene with a couple of object on a background that is nothing more than the clear colour (which is ...
1
vote
0answers
109 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 ...
0
votes
0answers
39 views

OpenGL ES respecting alpha for background but not for objects

I have a problem with the alpha of my game, maybe it is solved in another post but as I am new in OpenGl and Game developemnt I dont understand most of the vocabulary and cant find a solution. The ...
0
votes
0answers
23 views

Maya physical sun and sky rendering as alpha

Im trying to render a animation but the sky is saved as an alpha. it shows up in the render window, but when i look at the files there alpha channels so when i put it into final cut to create a video ...