in vec3 coord3d;
uniform mat4 mvp;
uniform float wind;
out vec4 fca;

void main(void) {
	gl_Position = vec4(coord3d, 1.0);
	if(coord3d.y > 0)
		fca = vec4(0, .6, .2, 1);
	else
		fca = vec4(.5, .4, .1, 1);
}