remove hardcoded extrude length

src/lang/engine.tsx

@@ -96,9 +96,11 @@ export interface extrudeWallGeo {
 export function extrudeGeo({
   from,
   to,
+  length,
 }: {
   from: [number, number, number]
   to: [number, number, number]
+  length: number
 }): BufferGeometry {
   const {
     // centre,
@@ -108,9 +110,9 @@ export function extrudeGeo({
     sign,
   } = trigCalcs({ from, to })
 
-  const face = new PlaneGeometry(Hypotenuse3d, 4, 2, 2)
+  const face = new PlaneGeometry(Hypotenuse3d, length, 2, 2)
-  face.rotateX(Math.PI / 2)
+  face.rotateX(Math.PI * 0.5)
-  face.translate(Hypotenuse3d / 2, 0, -2 * sign)
+  face.translate(Hypotenuse3d * 0.5, 0, -length * 0.5 * sign)
 
   face.rotateY(ry)
   face.rotateZ(rz)

src/lang/sketch.ts

@@ -221,8 +221,7 @@ export const sketchFns = {
     programMemory: ProgramMemory,
     name: string = '',
     sourceRange: SourceRange,
-    length: any,
+    length: number,
-    // sketchVal: any
     sketchVal: SketchGeo | Transform
   ): ExtrudeGeo | Transform => {
     const getSketchGeo = (sketchVal: SketchGeo | Transform): SketchGeo => {
@@ -253,6 +252,7 @@ export const sketchFns = {
         const geo = extrudeGeo({
           from: [from[0], from[1], 0],
           to: [to[0], to[1], 0],
+          length,
         })
         extrudeFaces.push({
           type: 'extrudeFace',