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Published on Feb 19, 2009
One of my friends, Neomex000, asked me how I made the trees show in my other demonstration videos. I had nothing better to do this morning so I made this tutorial.
Here are the basic steps: 1. get an image of a tree 2. remove unwanted parts of the image, like backgrounds 3. save as a PNG image with alpha 4. open the PNG in Blender's UV Editor 5. create a plane and subdivide it vertically 6. select the two resulting faces and unwrap them 7. apply the PNG image as a UV texture 8. enable alpha and two-sided for both faces 9. duplicate the two faces and rotate the duplicates 90-degrees 10. duplicate the four resulting faces and rotate the duplicate 45-degrees 11. select all vertices and remove doubles
One thing to note is that, this method may not be a good one to use if you're using lights in your game's scene. The way I compose mine is, there are no lights and I simply simulate shadows through my UV images.