#version 110

// example vert shader, to test basic data types.
uniform float floatU;
uniform int intU;
uniform vec3 vec3U;
uniform mat4 mat4U;

attribute vec3 vec3A;
attribute vec2 vec2A;

varying float z;

void main(void)
{
    vec3 junk = vec3U * floatU;
    junk.x += float(intU);
    
    vec4 junk4 = vec4(junk, 1);
    junk4 *= mat4U;
    
    junk4.xyz += vec3A.zyx;
    junk4.xy += vec2A;
    
    
    gl_Position = junk4;
    
    z = junk4.z;
}