#version 330

in vec4 position;
uniform mat4 modelmatrix;
out float mx;

void main(){
	gl_Position = 0.04*modelmatrix*(position - vec4(0.0, 0.0, 25.0, 0.0));

	// reset depth
	gl_Position.zw = vec2(1.0);
	mx = cos(0.1337*position.z);
}