#version 330 core

in vec3 v_position;
in vec4 v_color;
in vec2 v_texcoord;

out vec4 v_output;

uniform sampler2D u_texture;

uniform float u_time;

void main()
{
	vec4 tex = texture(u_texture, v_texcoord) * v_color;
	v_output = vec4(1.0, 0.0, 0.0, 0.5 + (sin(u_time * 0.3f) + 1.0) * 0.25);
}