Titles and Text question - jit.gl.text2d
Oct 09 2012 | 11:21 pm
Hi All,
I am working on a patch (attached) which is for doing titles using OpenGL. It was easy enough to use jit.gl.text2d to create titles over video planes. I then decided that I wanted to do a blur/fade for every line of text, and used a jit.gl.node to capture the 2D text to a texture and then slabs to blur and fade. Works fine.
The problem is that I then have my text on a videoplane which obscures the video on the videoplane behind it. I can use another slab to key that out and get titles with blur over video, but is there a better way to do this?
Is there another way to blur the text2D objects as-is without capturing to a texture and then using a slab (and then keying the rest of the video plane?)
Alternatively, is there a better method for displaying the resulting texture over the video behind , having just the text showing?
Thanks so much. Just want to be sure I use the best looking, most efficient method to accomplish this effect.
Valentin
- Oct 31 2012 | 1:38 pmStill no thoughts? - lol I guess most people are more excited about physics and all the new features rather than silly 'ol text and titles.Hopefully someone has some ideas. =)V
- Oct 31 2012 | 5:41 pmi can think of two solutions for this. you first want to make sure you have @blend_enable 1 and @depth_enable 0 on your videoplanes, and control the draw order with the @layer attribute.you can then use a gl.slab or gl.pix to create an alpha channel based on the luminance value of the texture coming out of gl.node. the following gen patch is one way:alternatively, you can use gl.text3d instead of 2d. this allows you to set the @erase_color alpha value of your gl.node to 0, and the captured texture will no longer have an opaque background.gl.text2d doesn't allow this because of the way it renders text to a texture, instead of gl.text3d, which draws the text as a mesh.
