#version 450 core
in vec4 vPosID;
in vec4 vCol;
in vec4 vCenterSize;
in vec4 vControls;
layout (location=0) out vec4 fCol;
layout (location=1) out vec4 fPos;
layout (location=2) out vec4 fNorm;
void main()
{
    float d = dot(vControls,vControls);
    if (d > 1) {discard;}
    //fCol = vCol;
    fCol = vec4(vCol.xyz,vCol.w*(1-d));
    fPos = vec4(vPosID.xy, vPosID.z + (1-d) * vCenterSize.w, 0.5);
    vec3 fn1 = (1-d)*vec3(vCenterSize.xyz - fPos.xyz);
    //vec3 fn1 = vec3(vCenterSize.xyz - fPos.xyz);
    //fNorm = vec4(0.5*fn1.xy,fn1.z, 0.5);
    fNorm = vec4(fn1.xyz, 0.5);
    //fNorm = vec4(0,0,1, 1);
}