Doyle Thai 3894d33485 Fix rotation on render, change rendering code ...

Premultiply transformation matrix onto vertices before sending onto GPU to
preserve transformation properties of entities before being batched into
a general group. This removes the model matrix from the shader pipeline- instead
in rendering code we deal in world space (which works out to be more intuitive).
Only in the last step in GLSL we convert back to normalised coordinates.

2016-09-23 18:02:53 +10:00

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