// Phong shading
#version 420 core

in vec3 aPos;
in vec3 aNorm;
in vec2 aTexCoord;
out vec2 vTexCoord;
out vec3 vPosWorld;
out vec3 vNormWorld;
uniform mat4 uMat;
uniform mat4 uMatWorld;

void main(void) {
    vPosWorld = vec3(uMatWorld * vec4(aPos, 1.0));
    vNormWorld = normalize(vec3(uMatWorld * vec4(aNorm, 0.0)));
    vTexCoord = aTexCoord;
    gl_Position = uMat * vec4(aPos, 1.0);
}