nuclear@2: attribute vec4 attr_vertex, attr_texcoord, attr_color;
nuclear@2: 
nuclear@2: uniform mat4 matrix_modelview, matrix_projection;
nuclear@2: uniform float idx;
nuclear@2: 
nuclear@2: varying vec4 color;
nuclear@2: varying vec3 vpos;
nuclear@2: varying vec2 tc;
nuclear@2: 
nuclear@2: void main()
nuclear@2: {
nuclear@2: 	mat4 mvp = matrix_projection * matrix_modelview;
nuclear@2: 	gl_Position = mvp * attr_vertex;
nuclear@2: 
nuclear@2: 	vpos = (matrix_modelview * attr_vertex).xyz;
nuclear@2: 
nuclear@2: 	float sz = 1.0 / 17.0;
nuclear@2: 	tc = vec2(attr_texcoord.x, (attr_texcoord.y + idx) * sz);
nuclear@2: 
nuclear@2: 	color = attr_color;
nuclear@2: }