Merge pull request #13588 from mrdoob/revert-13587-dev7

Revert "ExtrudeGeometry: Remove option "frames""

docs/api/geometries/ExtrudeBufferGeometry.html

@@ -77,7 +77,8 @@
 				<li>bevelThickness — float. How deep into the original shape the bevel goes. Default is 6.</li>
 				<li>bevelSize — float. Distance from the shape outline that the bevel extends. Default is bevelThickness - 2.</li>
 				<li>bevelSegments — int. Number of bevel layers. Default is 3.</li>
-				<li>extrudePath — THREE.CurvePath. A 3D spline path along which the shape should be extruded.</li>
+				<li>extrudePath — THREE.CurvePath. A 3D spline path along which the shape should be extruded (creates Frames if frames aren't defined).</li>
+				<li>frames — An object containing arrays of tangents, normals, binormals for each step along the extrudePath. </li>
 				<li>UVGenerator —  Object. object that provides UV generator functions</li>
 			</ul>
 
@@ -110,7 +111,8 @@
 				<li>bevelThickness — float. How deep into the original shape the bevel goes. Default is 6.</li>
 				<li>bevelSize — float. Distance from the shape outline that the bevel extends. Default is bevelThickness - 2.</li>
 				<li>bevelSegments — int. Number of bevel layers. Default is 3.</li>
-				<li>extrudePath — THREE.CurvePath. A 3D spline path along which the shape should be extruded.</li>
+				<li>extrudePath — THREE.CurvePath. A 3D spline path along which the shape should be extruded (creates Frames if frames aren't defined).</li>
+				<li>frames — An object containing arrays of tangents, normals, binormals for each step along the extrudePath. </li>
 				<li>UVGenerator —  Object. object that provides UV generator functions</li>
 			</ul>
 		</div>
@@ -128,7 +130,8 @@
 				<li>bevelThickness — float. How deep into the original shape the bevel goes. Default is 6.</li>
 				<li>bevelSize — float. Distance from the shape outline that the bevel extends. Default is bevelThickness - 2.</li>
 				<li>bevelSegments — int. Number of bevel layers. Default is 3.</li>
-				<li>extrudePath — THREE.CurvePath. A 3D spline path along which the shape should be extruded.</li>
+				<li>extrudePath — THREE.CurvePath. A 3D spline path along which the shape should be extruded (creates Frames if frames aren't defined).</li>
+				<li>frames — An object containing arrays of tangents, normals, binormals for each step along the extrudePath. </li>
 				<li>UVGenerator —  Object. object that provides UV generator functions</li>
 			</ul>
 		</div>

docs/api/geometries/ExtrudeGeometry.html

@@ -77,7 +77,8 @@
 				<li>bevelThickness — float. How deep into the original shape the bevel goes. Default is 6.</li>
 				<li>bevelSize — float. Distance from the shape outline that the bevel extends. Default is bevelThickness - 2.</li>
 				<li>bevelSegments — int. Number of bevel layers. Default is 3.</li>
-				<li>extrudePath — THREE.CurvePath. A 3D spline path along which the shape should be extruded.</li>
+				<li>extrudePath — THREE.CurvePath. A 3D spline path along which the shape should be extruded (creates Frames if frames aren't defined).</li>
+				<li>frames — An object containing arrays of tangents, normals, binormals for each step along the extrudePath. </li>
 				<li>UVGenerator —  Object. object that provides UV generator functions</li>
 			</ul>
 
@@ -110,7 +111,8 @@
 				<li>bevelThickness — float. How deep into the original shape the bevel goes. Default is 6.</li>
 				<li>bevelSize — float. Distance from the shape outline that the bevel extends. Default is bevelThickness - 2.</li>
 				<li>bevelSegments — int. Number of bevel layers. Default is 3.</li>
-				<li>extrudePath — THREE.CurvePath. A 3D spline path along which the shape should be extruded.</li>
+				<li>extrudePath — THREE.CurvePath. A 3D spline path along which the shape should be extruded (creates Frames if frames aren't defined).</li>
+				<li>frames — An object containing arrays of tangents, normals, binormals for each step along the extrudePath. </li>
 				<li>UVGenerator —  Object. object that provides UV generator functions</li>
 			</ul>
 		</div>
@@ -128,7 +130,8 @@
 				<li>bevelThickness — float. How deep into the original shape the bevel goes. Default is 6.</li>
 				<li>bevelSize — float. Distance from the shape outline that the bevel extends. Default is bevelThickness - 2.</li>
 				<li>bevelSegments — int. Number of bevel layers. Default is 3.</li>
-				<li>extrudePath — THREE.CurvePath. A 3D spline path along which the shape should be extruded.</li>
+				<li>extrudePath — THREE.CurvePath. A 3D spline path along which the shape should be extruded (creates Frames if frames aren't defined).</li>
+				<li>frames — An object containing arrays of tangents, normals, binormals for each step along the extrudePath. </li>
 				<li>UVGenerator —  Object. object that provides UV generator functions</li>
 			</ul>
 		</div>

src/geometries/ExtrudeGeometry.js

@@ -15,6 +15,7 @@
  *  bevelSegments: <int>, // number of bevel layers
  *
  *  extrudePath: <THREE.Curve> // curve to extrude shape along
+ *  frames: <Object> // containing arrays of tangents, normals, binormals
  *
  *  UVGenerator: <Object> // object that provides UV generator functions
  *
@@ -159,7 +160,7 @@ ExtrudeBufferGeometry.prototype.addShape = function ( shape, options ) {
 
 		// TODO1 - have a .isClosed in spline?
 
-		splineTube = extrudePath.computeFrenetFrames( steps, false );
+		splineTube = options.frames !== undefined ? options.frames : extrudePath.computeFrenetFrames( steps, false );
 
 		// console.log(splineTube, 'splineTube', splineTube.normals.length, 'steps', steps, 'extrudePts', extrudePts.length);