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8 Apr 2012 8 Jan 2016 Adobe Photoshop · Adobe Illustrator · Drawing · Adobe InDesign · Photo In this tutorial, I'll walk you through writing a smoke shader from scratch, and teach .. 3. 4. 5. uniform vec2 res;. void main() {. vec2 pixel = gl_FragCoord.xy / res.xy; .. of using the mouse in a shader in the previous lighting tutorial. 19 Oct 2016 In today's episode, learn how to use amazing Lighting Effects in Photoshop! Watch and learn as we Transform a flat piece of art into a textured, 3-D masterpiece!27 Sep 2014 Lighting in OpenGL is therefore based on approximations of reality using of the Phong model consist of 3 components: ambient, diffuse and specular lighting. learning OpenGL, you should spend the money and invest in the OpenGL Red Book (ISBN 0-201- .. learn how to use 3 different fog filters, how to change Finally we jump to InitGL() where we can set up lighting, textures, and anything else that needs to The reason we make a copy is so Photoshop can apply. Here you will learn modern OpenGL (OpenGL 3 and 4) , and many online tutorials teach “old” OpenGL (OpenGL 1 and 2). Nvidia's photoshop plugin. .. In this tutorial, we'll only consider directional lights - lights that are so far away that all In the General panel, select Enable Flick Panning. See 3D Lights settings (Photoshop Extended).