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aras-p/mvp.js

Created June 6, 2011 17:30
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UNITY_MATRIX_MVP et al equivalents in script
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mvp.js
// world, view, projection matrices
var world = obj.transform.localToWorldMatrix;
var view = cam.worldToCameraMatrix;
var proj = cam.projectionMatrix;
// the actual projection matrix used in shaders
// is actually massaged a bit to work across all platforms
// (different Z value ranges etc.)
var gpuProj = GL.GetGPUProjectionMatrix (proj, false);
var gpuMV = view * world; // UNITY_MATRIX_MV
var gpuMVP = gpuProj * view * world; // UNITY_MATRIX_MVP
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