#version 450 core
layout (location = 0) in vec3 aPos;
layout (location = 1) in float aSide;
layout (location = 2) in vec3 aRight;
layout (location = 3) in float aTimeMs;

uniform mat4 uProjection;
uniform mat4 uView;
uniform float uWidth;

out float vSide;
out float vDist;
out float vTrackTimeMs;

void main() {
    vSide = aSide;
    vTrackTimeMs = aTimeMs;
    vec3 finalPos = aPos + aRight * aSide * uWidth;

    // Считаем позицию в пространстве камеры
    vec4 viewPos = uView * vec4(finalPos, 1.0);
    vDist = -viewPos.z; // Глубина (дистанция от камеры)

    gl_Position = uProjection * viewPos;
}