<STRUCTURE>

<LAYOUT>
layout(location = 0) in $weightType l_jointweight;
layout(location = 1) in $indextType l_jointindex;
layout(location = 5) in vec3 l_position;
layout(location = 6) in vec3 l_normal;

<UNIFORM>
uniform int NBJOINT;
uniform mat4 JOINTS[$nbjoint];

<VARIABLE>
out vec3 vPosition;
out vec3 vNormal;

<FUNCTION>

<OPERATION>
vPosition = vec3(0,0,0);
vNormal   = vec3(0,0,0);

for(int i=0;i<NBJOINT;i++){
    mat4 jointMatrix = JOINTS[l_jointindex[i]];
    vec3 pos = vec3(jointMatrix * vec4(l_position,1)) * l_jointweight[i];
    vPosition = vPosition + pos;
    vec3 nor = vec3(jointMatrix * vec4(l_normal,0)) * l_jointweight[i];
    vNormal = vNormal + nor;
}

mat4 mvp = P*V*M;
gl_Position = mvp * vec4(vPosition,1);