Examples: Clean up.

Author: Mugen87

examples/webgl_refraction.html

@@ -156,17 +156,17 @@
 
 				requestAnimationFrame( animate );
 
-				refractor.material.uniforms.time.value += clock.getDelta();
+				const time = clock.getElapsedTime();
 
-				const timer = Date.now() * 0.01;
+				refractor.material.uniforms.time.value = time;
 
 				smallSphere.position.set(
-					Math.cos( timer * 0.1 ) * 30,
-					Math.abs( Math.cos( timer * 0.2 ) ) * 20 + 5,
-					Math.sin( timer * 0.1 ) * 30
+					Math.cos( time ) * 30,
+					Math.abs( Math.cos( time * 2 ) ) * 20 + 5,
+					Math.sin( time ) * 30
 				);
-				smallSphere.rotation.y = ( Math.PI / 2 ) - timer * 0.1;
-				smallSphere.rotation.z = timer * 0.8;
+				smallSphere.rotation.y = ( Math.PI / 2 ) - time;
+				smallSphere.rotation.z = time * 8;
 
 				renderer.render( scene, camera );