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POSetting the values of a struct array from JS to GLSL
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  1. POSetting the values of a struct array from JS to GLSL
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    copied!<p>I've been trying to make a structure that will contain all the lights of my WebGL app, and I'm having troubles setting up it's values from JS. The structure is as follows: </p> <pre><code>struct Light { vec4 position; vec4 ambient; vec4 diffuse; vec4 specular; vec3 spotDirection; float spotCutOff; float constantAttenuation; float linearAttenuation; float quadraticAttenuation; float spotExponent; float spotLightCosCutOff; }; uniform Light lights[numLights]; </code></pre> <p>After testing LOTS of things I made it work but I'm not happy with the code I wrote: </p> <pre><code>program.uniform.lights = []; program.uniform.lights.push({ position: "", diffuse: "", specular: "", ambient: "", spotDirection: "", spotCutOff: "", constantAttenuation: "", linearAttenuation: "", quadraticAttenuation: "", spotExponent: "", spotLightCosCutOff: "" }); program.uniform.lights[0].position = gl.getUniformLocation(program, "lights[0].position"); program.uniform.lights[0].diffuse = gl.getUniformLocation(program, "lights[0].diffuse"); program.uniform.lights[0].specular = gl.getUniformLocation(program, "lights[0].specular"); program.uniform.lights[0].ambient = gl.getUniformLocation(program, "lights[0].ambient"); ... and so on </code></pre> <p>I'm sorry for making you look at this code, I know it's horrible but I can't find a better way. </p> <p>Is there a standard or recommended way of doing this properly? Can anyone enlighten me? </p>
 

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