layout (location = 0) in vec3 aPos;

uniform mat4  model;
uniform mat4  lightSpaceMatrix; // lightProjection * lightView
uniform float boilTime;

void main() {
    vec3 world = vec3(model * vec4(aPos, 1.0));
    world += wobble(world, boilTime); // must match scene.vert
    gl_Position = lightSpaceMatrix * vec4(world, 1.0);
}