#version 120 attribute vec4 aPos; attribute vec3 aNor; attribute vec2 aTex; uniform mat4 P; uniform mat4 MV; varying vec3 vPos; varying vec3 vNor; varying vec2 vTex; void main() { vec4 posCam = MV * aPos; gl_Position = P * posCam; vPos = posCam.xyz; vNor = (MV * vec4(aNor, 0.0)).xyz; vTex = aTex; }