layout (location = 0) in vec3 pos;
layout (location = 1) in vec3 norm;
layout (location = 2) in vec2 coord;

out float ypos;

uniform mat4 model;
uniform mat4 view;
uniform mat4 projection;

void main() {
	vec3 vertex = vec3(model * vec4(pos, 1.0));
	ypos = vertex.y;
	gl_Position = projection * view * vec4(vertex, 1.0);
}