Search found 3 matches

by cyanprime
Mon Jan 02, 2012 6:30 am
Forum: DS/DSi Development
Topic: Why isn't my alpha blending working?
Replies: 2
Views: 4542

Re: Why isn't my alpha blending working?

elhobbs wrote:GL_RGBA is 15 bit rgb + 1 bit alpha channel(which is in bit 15). you are forcing all of the pixels in the source image to solid in you for loop.
Ah, thank you very much, it works now :3
by cyanprime
Mon Jan 02, 2012 6:14 am
Forum: DS/DSi Development
Topic: Billboarding woes
Replies: 0
Views: 4170

Billboarding woes

Can anyone tell me why this code isn't working? The quad just doesn't show up at all... void drawBillboardedSprite(){ glPushMatrix(); int modelview[16]; int position[16]; int projection[16]; glGetInt(GL_GET_MATRIX_POSITION, position); glGetInt(GL_GET_MATRIX_PROJECTION, projection); for (int x = 0; x...
by cyanprime
Sun Jan 01, 2012 12:26 pm
Forum: DS/DSi Development
Topic: Why isn't my alpha blending working?
Replies: 2
Views: 4542

Why isn't my alpha blending working?

So I'm trying to make it so I can have sprites billboarded like doom, and the first step is getting them to show up without a background. So for example, I want to ether make it so the texture uses it's own alpha channel, or make it so a color like magenta is turned into transparent. I've written th...