Normalized Gaussian blur coefficients.

Also shortened a life cycle for particles in shapes example. Still it gets about 10 fps slower with time :/

examples/js/ShaderExtras.js

@@ -891,18 +891,17 @@ THREE.ShaderExtras = {
 
 				"vec4 sum = vec4( 0.0 );",
 
-				"sum += texture2D( tDiffuse, vec2( vUv.x - 4.0 * h, vUv.y ) ) * 0.05;",
-				"sum += texture2D( tDiffuse, vec2( vUv.x - 3.0 * h, vUv.y ) ) * 0.09;",
-				"sum += texture2D( tDiffuse, vec2( vUv.x - 2.0 * h, vUv.y ) ) * 0.12;",
-				"sum += texture2D( tDiffuse, vec2( vUv.x - 1.0 * h, vUv.y ) ) * 0.15;",
-				"sum += texture2D( tDiffuse, vec2( vUv.x, 		  	vUv.y ) ) * 0.16;",
-				"sum += texture2D( tDiffuse, vec2( vUv.x + 1.0 * h, vUv.y ) ) * 0.15;",
-				"sum += texture2D( tDiffuse, vec2( vUv.x + 2.0 * h, vUv.y ) ) * 0.12;",
-				"sum += texture2D( tDiffuse, vec2( vUv.x + 3.0 * h, vUv.y ) ) * 0.09;",
-				"sum += texture2D( tDiffuse, vec2( vUv.x + 4.0 * h, vUv.y ) ) * 0.05;",
-
-				"gl_FragColor.xyz = sum.xyz/0.98;", // normalize
-				"gl_FragColor.a = 1.;",
+				"sum += texture2D( tDiffuse, vec2( vUv.x - 4.0 * h, vUv.y ) ) * 0.051;",
+				"sum += texture2D( tDiffuse, vec2( vUv.x - 3.0 * h, vUv.y ) ) * 0.0918;",
+				"sum += texture2D( tDiffuse, vec2( vUv.x - 2.0 * h, vUv.y ) ) * 0.12245;",
+				"sum += texture2D( tDiffuse, vec2( vUv.x - 1.0 * h, vUv.y ) ) * 0.1531;",
+				"sum += texture2D( tDiffuse, vec2( vUv.x, 		  	vUv.y ) ) * 0.1633;",
+				"sum += texture2D( tDiffuse, vec2( vUv.x + 1.0 * h, vUv.y ) ) * 0.1531;",
+				"sum += texture2D( tDiffuse, vec2( vUv.x + 2.0 * h, vUv.y ) ) * 0.12245;",
+				"sum += texture2D( tDiffuse, vec2( vUv.x + 3.0 * h, vUv.y ) ) * 0.0918;",
+				"sum += texture2D( tDiffuse, vec2( vUv.x + 4.0 * h, vUv.y ) ) * 0.051;",
+
+				"gl_FragColor = sum;",
 
 			"}"
 
@@ -944,18 +943,17 @@ THREE.ShaderExtras = {
 
 				"vec4 sum = vec4( 0.0 );",
 
-				"sum += texture2D( tDiffuse, vec2( vUv.x, vUv.y - 4.0 * v ) ) * 0.05;",
-				"sum += texture2D( tDiffuse, vec2( vUv.x, vUv.y - 3.0 * v ) ) * 0.09;",
-				"sum += texture2D( tDiffuse, vec2( vUv.x, vUv.y - 2.0 * v ) ) * 0.12;",
-				"sum += texture2D( tDiffuse, vec2( vUv.x, vUv.y - 1.0 * v ) ) * 0.15;",
-				"sum += texture2D( tDiffuse, vec2( vUv.x, vUv.y			  ) ) * 0.16;",
-				"sum += texture2D( tDiffuse, vec2( vUv.x, vUv.y + 1.0 * v ) ) * 0.15;",
-				"sum += texture2D( tDiffuse, vec2( vUv.x, vUv.y + 2.0 * v ) ) * 0.12;",
-				"sum += texture2D( tDiffuse, vec2( vUv.x, vUv.y + 3.0 * v ) ) * 0.09;",
-				"sum += texture2D( tDiffuse, vec2( vUv.x, vUv.y + 4.0 * v ) ) * 0.05;",
-
-				"gl_FragColor.xyz = sum.xyz/0.98;",
-				"gl_FragColor.a = 1.;",
+				"sum += texture2D( tDiffuse, vec2( vUv.x, vUv.y - 4.0 * v ) ) * 0.051;",
+				"sum += texture2D( tDiffuse, vec2( vUv.x, vUv.y - 3.0 * v ) ) * 0.0918;",
+				"sum += texture2D( tDiffuse, vec2( vUv.x, vUv.y - 2.0 * v ) ) * 0.12245;",
+				"sum += texture2D( tDiffuse, vec2( vUv.x, vUv.y - 1.0 * v ) ) * 0.1531;",
+				"sum += texture2D( tDiffuse, vec2( vUv.x, vUv.y			  ) ) * 0.1633;",
+				"sum += texture2D( tDiffuse, vec2( vUv.x, vUv.y + 1.0 * v ) ) * 0.1531;",
+				"sum += texture2D( tDiffuse, vec2( vUv.x, vUv.y + 2.0 * v ) ) * 0.12245;",
+				"sum += texture2D( tDiffuse, vec2( vUv.x, vUv.y + 3.0 * v ) ) * 0.0918;",
+				"sum += texture2D( tDiffuse, vec2( vUv.x, vUv.y + 4.0 * v ) ) * 0.051;",
+
+				"gl_FragColor = sum;",
 
 			"}"
 

examples/webgl_particles_shapes.html

@@ -460,7 +460,7 @@
 				emitterpos = new THREE.Vector3( 0, 0, 0 );
 
 				sparksEmitter.addInitializer( new SPARKS.Position( new SPARKS.PointZone( emitterpos ) ) );
-				sparksEmitter.addInitializer( new SPARKS.Lifetime( 1, 40 ));
+				sparksEmitter.addInitializer( new SPARKS.Lifetime( 1, 15 ));
 				sparksEmitter.addInitializer( new SPARKS.Target( null, setTargetParticle ) );