first and last commit

shaders/vis.vsh

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+layout (location = 0) in vec3 pos;
+layout (location = 1) in vec3 norm;
+layout (location = 2) in vec2 coord;
+
+out float ypos;
+
+uniform mat4 model;
+uniform mat4 view;
+uniform mat4 projection;
+
+void main() {
+	vec3 vertex = vec3(model * vec4(pos, 1.0));
+	ypos = vertex.y;
+	gl_Position = projection * view * vec4(vertex, 1.0);
+}