Examples clean up.

examples/files.js

@@ -42,10 +42,6 @@ var files = {
 		"webgl_geometry_terrain_raycast",
 		"webgl_geometry_text",
 		"webgl_geometry_text_shapes",
-		"webgl_gpgpu_birds",
-		"webgl_gpgpu_water",
-		"webgl_gpgpu_protoplanet",
-		"webgl_gpu_particle_system",
 		"webgl_hdr",
 		"webgl_helpers",
 		"webgl_interactive_buffergeometry",
@@ -300,6 +296,10 @@ var files = {
 		"webgl_custom_attributes_points",
 		"webgl_custom_attributes_points2",
 		"webgl_custom_attributes_points3",
+		"webgl_gpgpu_birds",
+		"webgl_gpgpu_water",
+		"webgl_gpgpu_protoplanet",
+		"webgl_gpu_particle_system",
 		"webgl_materials_modified",
 		"webgl_raymarching_reflect",
 		"webgl_shadowmap_pcss",

examples/webgl_gpgpu_water.html

@@ -74,6 +74,8 @@
 				vec4 east = texture2D( heightmap, uv + vec2( cellSize.x, 0.0 ) );
 				vec4 west = texture2D( heightmap, uv + vec2( - cellSize.x, 0.0 ) );
 
+				// https://web.archive.org/web/20080618181901/http://freespace.virgin.net/hugo.elias/graphics/x_water.htm
+
 				float newHeight = ( ( north.x + south.x + east.x + west.x ) * 0.5 - heightmapValue.y ) * viscosityConstant;
 
 				// Mouse influence
@@ -182,18 +184,15 @@
 
 					gl_FragColor = encode_float( waterLevel );
 
-				}
-				else if ( gl_FragCoord.x < 2.5 ) {
+				} else if ( gl_FragCoord.x < 2.5 ) {
 
 					gl_FragColor = encode_float( normal.x );
 
-				}
-				else if ( gl_FragCoord.x < 3.5 ) {
+				} else if ( gl_FragCoord.x < 3.5 ) {
 
 					gl_FragColor = encode_float( normal.y );
 
-				}
-				else {
+				} else {
 
 					gl_FragColor = encode_float( 0.0 );