nuclear@29: attribute vec4 attr_vertex, attr_texcoord, attr_color;
nuclear@29: 
nuclear@29: uniform mat4 matrix_modelview, matrix_projection;
nuclear@29: uniform float idx;
nuclear@29: 
nuclear@29: varying vec4 color;
nuclear@29: varying vec3 vpos;
nuclear@29: varying vec2 tc;
nuclear@29: 
nuclear@29: void main()
nuclear@29: {
nuclear@29: 	mat4 mvp = matrix_projection * matrix_modelview;
nuclear@29: 	gl_Position = mvp * attr_vertex;
nuclear@29: 
nuclear@29: 	vpos = (matrix_modelview * attr_vertex).xyz;
nuclear@29: 
nuclear@29: 	float sz = 1.0 / 17.0;
nuclear@29: 	tc = vec2(attr_texcoord.x, (attr_texcoord.y + idx) * sz);
nuclear@29: 
nuclear@29: 	color = attr_color;
nuclear@29: }