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(* window dimensions, as float because it's mostly needed as such
* (float <-> int conversions are expensive and annoying to type) *)
let width = 960.0 and height = 540.0
let starttime = Unix.gettimeofday ()
let drawFrame () =
let t = (Unix.gettimeofday ()) -. starttime in
GlClear.clear [`color; `depth];
GlMat.load_identity ();
(*Metaballs.draw t;*)
(*Archzoom.draw t;*)
Cube.draw t;
Util.drawInfo height width t;
Glut.swapBuffers ()
let _ =
(* init glut *)
ignore (Glut.init Sys.argv);
Glut.initDisplayMode ~alpha:true ~depth:true ~double_buffer:true ();
Glut.initWindowSize (truncate width) (truncate height);
ignore (Glut.createWindow "De Neuspeuteraars!");
Glut.idleFunc (Some drawFrame);
Glut.keyboardFunc (fun ~key ~x ~y ->
Printf.printf "Exited after %.3fs\n" ((Unix.gettimeofday ())-.starttime);
flush stdout;
exit 0
);
(* init gl *)
GlClear.color (0.0, 0.0, 0.0);
GlClear.depth 1.0;
Gl.enable `blend;
GlFunc.blend_func `src_alpha `one_minus_src_alpha;
(* Some nice articles about lighting:
* http://www.sjbaker.org/steve/omniv/opengl_lighting.html
* http://www.spacesimulator.net/tut5_vectors_and_lighting.html *)
GlDraw.shade_model `smooth;
Gl.enable `light0;
GlLight.light 0 (`position (1.0, 1.0, 0.0, 1.0));
GlLight.light 0 (`ambient (0.0, 0.0, 0.0, 1.0));
GlLight.light 0 (`diffuse (0.8, 0.8, 0.8, 1.0));
GlLight.light 0 (`specular (1.0, 1.0, 1.0, 1.0));
GlLight.light_model (`ambient (0.2, 0.2, 0.2, 1.0));
Gl.enable `color_material;
(* This doesn't seem to do what I want...
GlLight.color_material ~face:`both `ambient_and_diffuse;
GlLight.material ~face:`both (`specular (1.0, 1.0, 1.0, 0.3));
GlLight.material ~face:`both (`emission (0.0, 0.0, 0.0, 0.3));*)
Gl.enable `depth_test;
Gl.enable `cull_face;
GlMat.mode `projection;
GlMat.load_identity ();
GluMat.perspective ~fovy:60.0 ~aspect:(width /. height) ~z:(0.1,100.0);
GlDraw.viewport 0 0 (truncate width) (truncate height);
GlMat.mode `modelview;
(* run *)
Glut.mainLoop ()
|
