OpenGL gui working. Added sketch of the pheromone map. Added shaders.

shaders/basic.frag

@@ -0,0 +1,9 @@
+#version 120
+
+uniform sampler2D sTexture;
+
+void main(void) {
+  vec4 tex = texture2D(sTexture, gl_TexCoord[0].st);
+  gl_FragColor = clamp(tex, 0.0, 1.0);
+  //gl_FragColor = vec4(gl_TexCoord[0].s, gl_TexCoord[0].t, 0.0, 1.0);
+}

shaders/basic.vert

@@ -0,0 +1,6 @@
+#version 120
+
+void main() {
+  gl_TexCoord[0] = gl_MultiTexCoord0;
+  gl_Position = ftransform();
+}