clone successful

resources/shaders/140/dashed_thick_lines.vs

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+#version 150
+
+// see as reference: https://github.com/mhalber/Lines/blob/master/geometry_shader_lines.h
+//                   https://stackoverflow.com/questions/52928678/dashed-line-in-opengl3
+
+uniform mat4 view_model_matrix;
+uniform mat4 projection_matrix;
+
+// v_position.w = coordinate along the line
+in vec4 v_position;
+
+out float coord_s;
+
+void main()
+{
+	coord_s = v_position.w;
+    gl_Position = projection_matrix * view_model_matrix * vec4(v_position.xyz, 1.0);
+}