#version 330 core

layout (points) in;
layout (triangle_strip, max_vertices=3) out;

uniform float zoom;

void main()
{
	gl_Position = gl_in[0].gl_Position + vec4(-0.1, 0.0, 0.0, 0.0) * zoom;
	EmitVertex();
	gl_Position = gl_in[0].gl_Position + vec4(0.0, 0.1, 0.0, 0.0) * zoom;
	EmitVertex();
	gl_Position = gl_in[0].gl_Position + vec4(0.1, 0.0, 0.0, 0.0) * zoom;
	EmitVertex();
	EndPrimitive();
}