#version 450

layout(location = 0) in vec4 aPosition;
layout(location = 1) in vec4 aNormal;
layout(location = 2) in vec2 aTexCoord;

layout(set = 0, binding = 0, std140) uniform SceneData {
    mat4 gProjectionMatrix;
    mat4 gViewMatrix;
    mat4 gModelMatrix;
    vec4 gCameraPosition;
    vec4 gLightDirection;
    vec4 gLightColor;
    vec4 gAmbientColor;
};

layout(location = 0) out vec3 vWorldPosition;
layout(location = 1) out vec3 vWorldNormal;
layout(location = 2) out vec2 vTexCoord;

void main() {
    vec4 worldPosition = gModelMatrix * aPosition;
    vec4 viewPosition = gViewMatrix * worldPosition;
    gl_Position = gProjectionMatrix * viewPosition;
    vWorldPosition = worldPosition.xyz;
    vWorldNormal = mat3(gModelMatrix) * aNormal.xyz;
    vTexCoord = aTexCoord;
}