clean up the blurry textures on tonemap example using anisotropic sampling.

examples/webgl_tonemapping.html

@@ -110,6 +110,7 @@
 				textureLoader.load( "../examples/textures/brick_diffuse.jpg", function( map ) {
 					map.wrapS = THREE.RepeatWrapping;
 					map.wrapT = THREE.RepeatWrapping;
+					map.anisotropy = 4;
 					map.repeat.set( 9, 0.5 );
 					standardMaterial.map = map;
 					standardMaterial.needsUpdate = true;
@@ -117,6 +118,7 @@
 				textureLoader.load( "../examples/textures/brick_bump.jpg", function( map ) {
 					map.wrapS = THREE.RepeatWrapping;
 					map.wrapT = THREE.RepeatWrapping;
+					map.anisotropy = 4;
 					map.repeat.set( 9, 0.5 );
 					standardMaterial.bumpMap = map;
 					standardMaterial.needsUpdate = true;
@@ -124,6 +126,7 @@
 				textureLoader.load( "../examples/textures/brick_roughness.jpg", function( map ) {
 					map.wrapS = THREE.RepeatWrapping;
 					map.wrapT = THREE.RepeatWrapping;
+					map.anisotropy = 4;
 					map.repeat.set( 9, 0.5 );
 					standardMaterial.roughnessMap = map;
 					standardMaterial.needsUpdate = true;