Material improvements: litPerPixel, blendMode, fillMode, doubleSided

README.md

@@ -248,7 +248,11 @@ Most objects take a material property with these sub-props:
 | `diffuse` | colorstring | diffuse color  |
 | `metalness` | number | metalness of the object |
 | `roughness` | number | roughness of the object |
+| `doubleSided` | boolean | render both sides, default is `true` |
+| `litPerPixel` | boolean | calculate lighting per-pixel or vertex [litPerPixel](https://developer.apple.com/documentation/scenekit/scnmaterial/1462580-litperpixel) |
 | `lightingModel` | `ARKit.LightingModel.*` | [LightingModel](https://developer.apple.com/documentation/scenekit/scnmaterial.lightingmodel) |
+| `blendMode` | `ARKit.BlendMode.*` | [BlendMode](https://developer.apple.com/documentation/scenekit/scnmaterial/1462585-blendmode) | 
+| `fillMode` | `ARKit.FillMode.*` | [FillMode](https://developer.apple.com/documentation/scenekit/scnmaterial/2867442-fillmode)
 | `shaders` | Object with keys from `ARKit.ShaderModifierEntryPoint.*` and shader strings as values | [Shader modifiers](https://developer.apple.com/documentation/scenekit/scnshadable) |
 | `colorBufferWriteMask` | `ARKit.ColorMask.*` | [color mask](https://developer.apple.com/documentation/scenekit/scncolormask). Set to ARKit.ColorMask.None so that an object is transparent, but receives deferred shadows. |
 

components/lib/propTypes.js

@@ -51,6 +51,7 @@ export const renderingOrder = PropTypes.number;
 export const blendMode = PropTypes.oneOf(values(ARKitManager.BlendMode));
 export const chamferMode = PropTypes.oneOf(values(ARKitManager.ChamferMode));
 export const color = PropTypes.string;
+export const fillMode = PropTypes.oneOf(values(ARKitManager.FillMode));
 
 export const lightType = PropTypes.oneOf(values(ARKitManager.LightType));
 export const shadowMode = PropTypes.oneOf(values(ARKitManager.ShadowMode));
@@ -66,4 +67,7 @@ export const material = PropTypes.shape({
   shaders,
   writesToDepthBuffer: PropTypes.bool,
   colorBufferWriteMask,
+  doubleSided: PropTypes.bool,
+  litPerPixel: PropTypes.bool,
+  fillMode,
 });

ios/RCTARKitManager.m

@@ -22,7 +22,7 @@ - (UIView *)view {
 
 - (NSDictionary *)constantsToExport
 {
-    
+
     return @{
              @"ARHitTestResultType": @{
                      @"FeaturePoint": @(ARHitTestResultTypeFeaturePoint),
@@ -58,7 +58,7 @@ - (NSDictionary *)constantsToExport
                      @"Red": [@(SCNColorMaskRed) stringValue],
                      @"Green": [@(SCNColorMaskGreen) stringValue],
                      },
-             
+
              @"ShaderModifierEntryPoint": @{
                      @"Geometry": SCNShaderModifierEntryPointGeometry,
                      @"Surface": SCNShaderModifierEntryPointSurface,
@@ -72,18 +72,22 @@ - (NSDictionary *)constantsToExport
                      @"Multiply": [@(SCNBlendModeMultiply) stringValue],
                      @"Screen": [@(SCNBlendModeScreen) stringValue],
                      @"Replace": [@(SCNBlendModeReplace) stringValue],
-                     
+
                      },
              @"ChamferMode": @{
                      @"Both": [@(SCNChamferModeBoth) stringValue],
                      @"Back": [@(SCNChamferModeBack) stringValue],
                      @"Front": [@(SCNChamferModeBack) stringValue],
-                     
+
                      },
              @"ARWorldAlignment": @{
                      @"Gravity": @(ARWorldAlignmentGravity),
                      @"GravityAndHeading": @(ARWorldAlignmentGravityAndHeading),
                      @"Camera": @(ARWorldAlignmentCamera),
+                     },
+             @"FillMode": @{
+                     @"Fill": [@(SCNFillModeFill) stringValue],
+                     @"Lines": [@(SCNFillModeLines) stringValue],
                      }
              };
 }
@@ -152,19 +156,19 @@ - (NSString *)getAssetUrl:(NSString *)localID {
 
 - (void)storeImageInPhotoAlbum:(UIImage *)image reject:(RCTPromiseRejectBlock)reject resolve:(RCTPromiseResolveBlock)resolve {
     __block PHObjectPlaceholder *placeholder;
-    
+
     [[PHPhotoLibrary sharedPhotoLibrary] performChanges:^{
         PHAssetChangeRequest* createAssetRequest = [PHAssetChangeRequest creationRequestForAssetFromImage:image];
         placeholder = [createAssetRequest placeholderForCreatedAsset];
-        
+
     } completionHandler:^(BOOL success, NSError *error) {
         if (success)
         {
-            
+
             NSString * localID = placeholder.localIdentifier;
-            
+
             NSString * assetURLStr = [self getAssetUrl:localID];
-            
+
             resolve(@{@"url": assetURLStr, @"width":@(image.size.width), @"height": @(image.size.height)});
         }
         else
@@ -186,10 +190,10 @@ - (void)storeImageInDirectory:(UIImage *)image directory:(NSString *)directory f
         return;
     }
     NSString *prefixString = @"capture";
-    
+
     NSString *guid = [[NSProcessInfo processInfo] globallyUniqueString] ;
     NSString *uniqueFileName = [NSString stringWithFormat:@"%@_%@.%@", prefixString, guid, format];
-    
+
     NSString *filePath = [directory stringByAppendingPathComponent:uniqueFileName]; //Add the file name
     bool success = [data writeToFile:filePath atomically:YES]; //Write the file
     if(success) {
@@ -198,13 +202,13 @@ - (void)storeImageInDirectory:(UIImage *)image directory:(NSString *)directory f
         // TODO use NSError from writeToFile
         reject(@"snapshot_error",  [NSString stringWithFormat:@"could not save to '%@'", filePath], nil);
     }
-    
+
 }
 
 - (void)storeImage:(UIImage *)image options:(NSDictionary *)options reject:(RCTPromiseRejectBlock)reject resolve:(RCTPromiseResolveBlock)resolve {
     NSString * target = @"cameraRoll";
     NSString * format = @"png";
-    
+
     if(options[@"target"]) {
         target = options[@"target"];
     }
@@ -220,7 +224,7 @@ - (void)storeImage:(UIImage *)image options:(NSDictionary *)options reject:(RCTP
             dir =  [NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES) firstObject];
         } else if([target isEqualToString:@"documents"]) {
             dir =  [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) firstObject];
-            
+
         } else {
             dir = target;
         }
@@ -270,7 +274,7 @@ - (void)storeImage:(UIImage *)image options:(NSDictionary *)options reject:(RCTP
               @"z": @(pointProjected.z),
               @"distance": @(distance)
               });
-    
+
 }
 
 RCT_EXPORT_METHOD(focusScene:(RCTPromiseResolveBlock)resolve reject:(RCTPromiseRejectBlock)reject) {
@@ -284,4 +288,3 @@ - (void)storeImage:(UIImage *)image options:(NSDictionary *)options reject:(RCTP
 }
 
 @end
-

ios/RCTConvert+ARKit.m

@@ -344,6 +344,18 @@ + (void)setMaterialProperties:(SCNMaterial *)material properties:(id)json {
     if(json[@"colorBufferWriteMask"] ) {
         material.colorBufferWriteMask = [json[@"colorBufferWriteMask"] integerValue];
     }
+
+    if(json[@"fillMode"] ) {
+        material.fillMode = [json[@"fillMode"] integerValue];
+    }
+
+    if(json[@"doubleSided"]) {
+        material.doubleSided = [json[@"doubleSided"] boolValue];
+    }
+
+    if(json[@"litPerPixel"]) {
+        material.litPerPixel = [json[@"litPerPixel"] boolValue];
+    }
 }
 
 + (void)setNodeProperties:(SCNNode *)node properties:(id)json {